/* Copyright (c) 2001-2009, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb;
import java.lang.reflect.Method;
import org.hsqldb.HsqlNameManager.HsqlName;
import org.hsqldb.index.Index;
import org.hsqldb.lib.HsqlArrayList;
import org.hsqldb.lib.HsqlList;
import org.hsqldb.lib.OrderedHashSet;
import org.hsqldb.lib.OrderedIntHashSet;
import org.hsqldb.rights.Grantee;
import org.hsqldb.rights.GranteeManager;
import org.hsqldb.rights.Right;
import org.hsqldb.rights.User;
import org.hsqldb.types.Charset;
import org.hsqldb.types.Type;
import org.hsqldb.types.UserTypeModifier;
/**
* Parser for DDL statements
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.9.0
* @since 1.9.0
*/
public class ParserDDL extends ParserRoutine {
final static int[] schemaCommands = new int[] {
Tokens.CREATE, Tokens.GRANT
};
final static short[] endStatementTokens = new short[] {
Tokens.CREATE, Tokens.GRANT, Tokens.ALTER, Tokens.DROP
};
final static short[] endStatementTokensSchema = new short[] {
Tokens.CREATE, Tokens.GRANT,
};
ParserDDL(Session session, Scanner scanner) {
super(session, scanner);
}
void reset(String sql) {
super.reset(sql);
}
StatementSchema compileCreate() {
int tableType = TableBase.MEMORY_TABLE;
boolean isTable = false;
read();
switch (token.tokenType) {
case Tokens.GLOBAL :
read();
readThis(Tokens.TEMPORARY);
readIfThis(Tokens.MEMORY);
readThis(Tokens.TABLE);
isTable = true;
tableType = TableBase.TEMP_TABLE;
break;
case Tokens.TEMP :
read();
readThis(Tokens.TABLE);
isTable = true;
tableType = TableBase.TEMP_TABLE;
break;
case Tokens.TEMPORARY :
read();
readThis(Tokens.TABLE);
isTable = true;
tableType = TableBase.TEMP_TABLE;
break;
case Tokens.MEMORY :
read();
readThis(Tokens.TABLE);
isTable = true;
break;
case Tokens.CACHED :
read();
readThis(Tokens.TABLE);
isTable = true;
tableType = TableBase.CACHED_TABLE;
break;
case Tokens.TEXT :
read();
readThis(Tokens.TABLE);
isTable = true;
tableType = TableBase.TEXT_TABLE;
break;
case Tokens.TABLE :
read();
isTable = true;
tableType = database.schemaManager.getDefaultTableType();
break;
default :
}
if (isTable) {
return compileCreateTable(tableType);
}
switch (token.tokenType) {
// other objects
case Tokens.ALIAS :
return compileCreateAlias();
case Tokens.SEQUENCE :
return compileCreateSequence();
case Tokens.SCHEMA :
return compileCreateSchema();
case Tokens.TRIGGER :
return compileCreateTrigger();
case Tokens.USER :
return compileCreateUser();
case Tokens.ROLE :
return compileCreateRole();
case Tokens.VIEW :
return compileCreateView();
case Tokens.DOMAIN :
return compileCreateDomain();
case Tokens.TYPE :
return compileCreateType();
case Tokens.CHARACTER :
return compileCreateCharacterSet();
// index
case Tokens.UNIQUE :
read();
checkIsThis(Tokens.INDEX);
return compileCreateIndex(true);
case Tokens.INDEX :
return compileCreateIndex(false);
case Tokens.FUNCTION :
case Tokens.PROCEDURE :
return compileCreateProcedureOrFunction();
default : {
throw unexpectedToken();
}
}
}
void processAlter() {
session.setScripting(true);
readThis(Tokens.ALTER);
switch (token.tokenType) {
case Tokens.TABLE : {
read();
processAlterTable();
break;
}
case Tokens.DOMAIN : {
read();
processAlterDomain();
break;
}
default : {
throw unexpectedToken();
}
}
}
Statement compileAlter() {
read();
switch (token.tokenType) {
case Tokens.INDEX : {
read();
HsqlName name =
readNewSchemaObjectNameNoCheck(SchemaObject.INDEX);
readThis(Tokens.RENAME);
readThis(Tokens.TO);
return compileRenameObject(name, SchemaObject.INDEX);
}
case Tokens.SCHEMA : {
read();
HsqlName name = readSchemaName();
readThis(Tokens.RENAME);
readThis(Tokens.TO);
return compileRenameObject(name, SchemaObject.SCHEMA);
}
case Tokens.CATALOG : {
read();
checkIsSimpleName();
String name = token.tokenString;
checkValidCatalogName(name);
read();
readThis(Tokens.RENAME);
readThis(Tokens.TO);
return compileRenameObject(database.getCatalogName(),
SchemaObject.CATALOG);
}
case Tokens.SEQUENCE : {
read();
return compileAlterSequence();
}
case Tokens.TABLE : {
read();
return compileAlterTable();
}
case Tokens.USER : {
read();
return compileAlterUser();
}
case Tokens.DOMAIN : {
read();
return compileAlterDomain();
}
default : {
throw unexpectedToken();
}
}
}
/*
CompiledStatementInterface compileAlter() {
CompiledStatementInterface cs = null;
read();
String sql = getStatement(getParsePosition(), endStatementTokensAlter);
cs = new CompiledStatementSchema(sql, StatementCodes.ALTER_TYPE, null);
return cs;
}
*/
Statement compileDrop() {
int objectTokenType;
int objectType;
int statementType;
boolean canCascade = false;
boolean cascade = false;
boolean useIfExists = false;
boolean ifExists = false;
HsqlName readName = null;
HsqlName writeName = null;
read();
objectTokenType = this.token.tokenType;
switch (objectTokenType) {
case Tokens.INDEX : {
read();
statementType = StatementTypes.DROP_INDEX;
objectType = SchemaObject.INDEX;
useIfExists = true;
break;
}
case Tokens.ASSERTION : {
read();
statementType = StatementTypes.DROP_ASSERTION;
objectType = SchemaObject.ASSERTION;
canCascade = true;
break;
}
case Tokens.PROCEDURE : {
read();
statementType = StatementTypes.DROP_ROUTINE;
objectType = SchemaObject.PROCEDURE;
canCascade = true;
break;
}
case Tokens.FUNCTION : {
read();
statementType = StatementTypes.DROP_ROUTINE;
objectType = SchemaObject.FUNCTION;
canCascade = true;
break;
}
case Tokens.SCHEMA : {
read();
statementType = StatementTypes.DROP_SCHEMA;
objectType = SchemaObject.SCHEMA;
useIfExists = true;
canCascade = true;
break;
}
case Tokens.SEQUENCE : {
read();
statementType = StatementTypes.DROP_SEQUENCE;
objectType = SchemaObject.SEQUENCE;
canCascade = true;
useIfExists = true;
break;
}
case Tokens.TRIGGER : {
read();
statementType = StatementTypes.DROP_TRIGGER;
objectType = SchemaObject.TRIGGER;
canCascade = false;
break;
}
case Tokens.USER : {
read();
statementType = StatementTypes.DROP_USER;
objectType = SchemaObject.GRANTEE;
canCascade = true;
break;
}
case Tokens.ROLE : {
read();
statementType = StatementTypes.DROP_ROLE;
objectType = SchemaObject.GRANTEE;
canCascade = true;
break;
}
case Tokens.DOMAIN :
read();
statementType = StatementTypes.DROP_DOMAIN;
objectType = SchemaObject.DOMAIN;
canCascade = true;
break;
case Tokens.TYPE :
read();
statementType = StatementTypes.DROP_TYPE;
objectType = SchemaObject.TYPE;
canCascade = true;
break;
case Tokens.CHARACTER :
read();
readThis(Tokens.SET);
statementType = StatementTypes.DROP_CHARACTER_SET;
objectType = SchemaObject.CHARSET;
canCascade = false;
break;
case Tokens.VIEW :
read();
statementType = StatementTypes.DROP_VIEW;
objectType = SchemaObject.VIEW;
canCascade = true;
useIfExists = true;
break;
case Tokens.TABLE :
read();
statementType = StatementTypes.DROP_TABLE;
objectType = SchemaObject.TABLE;
canCascade = true;
useIfExists = true;
break;
default :
throw unexpectedToken();
}
checkIsIdentifier();
HsqlName name = null;
switch (objectTokenType) {
case Tokens.USER : {
checkIsSimpleName();
checkDatabaseUpdateAuthorisation();
Grantee grantee =
database.getUserManager().get(token.tokenString);
name = grantee.getName();
read();
break;
}
case Tokens.ROLE : {
checkIsSimpleName();
checkDatabaseUpdateAuthorisation();
Grantee role =
database.getGranteeManager().getRole(token.tokenString);
name = role.getName();
read();
break;
}
case Tokens.SCHEMA : {
name = readNewSchemaName();
writeName = database.getCatalogName();
break;
}
default :
name = readNewSchemaObjectNameNoCheck(objectType);
try {
String schemaName = name.schema == null
? session.getSchemaName(null)
: name.schema.name;
SchemaObject object =
database.schemaManager.getSchemaObject(name.name,
schemaName, objectType);
if (cascade) {
writeName = database.getCatalogName();
} else {
writeName = object.getName();
if (writeName.parent != null) {
writeName = writeName.parent;
}
if (writeName.type != SchemaObject.TABLE) {
writeName = null;
}
}
} catch (HsqlException e) {}
}
if (useIfExists && token.tokenType == Tokens.IF) {
read();
readThis(Tokens.EXISTS);
ifExists = true;
}
if (canCascade) {
if (token.tokenType == Tokens.CASCADE) {
cascade = true;
read();
} else if (token.tokenType == Tokens.RESTRICT) {
read();
}
}
Object[] args = new Object[] {
name, new Integer(objectType), Boolean.valueOf(cascade),
Boolean.valueOf(ifExists)
};
String sql = getLastPart();
return new StatementSchema(sql, statementType, args, readName,
writeName);
}
private void processAlterTable() {
String tableName = token.tokenString;
HsqlName schema = session.getSchemaHsqlName(token.namePrefix);
checkSchemaUpdateAuthorisation(schema);
Table t = database.schemaManager.getUserTable(session, tableName,
schema.name);
if (t.isView()) {
throw Error.error(ErrorCode.X_42501, tableName);
}
read();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
processAlterTableRename(t);
return;
}
case Tokens.ADD : {
read();
HsqlName cname = null;
if (token.tokenType == Tokens.CONSTRAINT) {
read();
cname = readNewDependentSchemaObjectName(t.getName(),
SchemaObject.CONSTRAINT);
database.schemaManager.checkSchemaObjectNotExists(cname);
}
switch (token.tokenType) {
case Tokens.FOREIGN :
read();
readThis(Tokens.KEY);
processAlterTableAddForeignKeyConstraint(t, cname);
return;
case Tokens.UNIQUE :
read();
processAlterTableAddUniqueConstraint(t, cname);
return;
case Tokens.CHECK :
read();
processAlterTableAddCheckConstraint(t, cname);
return;
case Tokens.PRIMARY :
read();
readThis(Tokens.KEY);
processAlterTableAddPrimaryKey(t, cname);
return;
case Tokens.COLUMN :
if (cname != null) {
throw unexpectedToken();
}
read();
checkIsSimpleName();
processAlterTableAddColumn(t);
return;
default :
if (cname != null) {
throw unexpectedToken();
}
checkIsSimpleName();
processAlterTableAddColumn(t);
return;
}
}
case Tokens.DROP : {
read();
switch (token.tokenType) {
case Tokens.PRIMARY : {
boolean cascade = false;
read();
readThis(Tokens.KEY);
if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
if (t.hasPrimaryKey()) {
processAlterTableDropConstraint(
t, t.getPrimaryConstraint().getName().name,
cascade);
} else {
throw Error.error(ErrorCode.X_42501);
}
return;
}
case Tokens.CONSTRAINT : {
boolean cascade = false;
read();
SchemaObject object = readDependentSchemaObjectName(
t.getName(), SchemaObject.CONSTRAINT);
if (token.tokenType == Tokens.RESTRICT) {
read();
} else if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
processAlterTableDropConstraint(
t, object.getName().name, cascade);
// read();
return;
}
case Tokens.COLUMN :
read();
// fall through
default : {
checkIsSimpleName();
String name = token.tokenString;
boolean cascade = false;
read();
if (token.tokenType == Tokens.RESTRICT) {
read();
} else if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
processAlterTableDropColumn(t, name, cascade);
return;
}
}
}
case Tokens.ALTER : {
read();
if (token.tokenType == Tokens.COLUMN) {
read();
}
int columnIndex = t.getColumnIndex(token.tokenString);
ColumnSchema column = t.getColumn(columnIndex);
read();
processAlterColumn(t, column, columnIndex);
return;
}
default : {
throw unexpectedToken();
}
}
}
Statement compileAlterTable() {
String tableName = token.tokenString;
HsqlName schema = session.getSchemaHsqlName(token.namePrefix);
Table t = database.schemaManager.getUserTable(session, tableName,
schema.name);
if (t.isView()) {
throw Error.error(ErrorCode.X_42501, tableName);
}
read();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
return compileRenameObject(t.getName(), SchemaObject.TABLE);
}
case Tokens.ADD : {
read();
HsqlName cname = null;
if (token.tokenType == Tokens.CONSTRAINT) {
read();
cname = readNewDependentSchemaObjectName(t.getName(),
SchemaObject.CONSTRAINT);
}
switch (token.tokenType) {
case Tokens.FOREIGN :
read();
readThis(Tokens.KEY);
return compileAlterTableAddForeignKeyConstraint(t,
cname);
case Tokens.UNIQUE :
read();
return compileAlterTableAddUniqueConstraint(t, cname);
case Tokens.CHECK :
read();
return compileAlterTableAddCheckConstraint(t, cname);
case Tokens.PRIMARY :
read();
readThis(Tokens.KEY);
return compileAlterTableAddPrimaryKey(t, cname);
case Tokens.COLUMN :
if (cname != null) {
throw unexpectedToken();
}
read();
checkIsSimpleName();
return compileAlterTableAddColumn(t);
default :
if (cname != null) {
throw unexpectedToken();
}
checkIsSimpleName();
return compileAlterTableAddColumn(t);
}
}
case Tokens.DROP : {
read();
switch (token.tokenType) {
case Tokens.PRIMARY : {
boolean cascade = false;
read();
readThis(Tokens.KEY);
return compileAlterTableDropPrimaryKey(t);
}
case Tokens.CONSTRAINT : {
read();
return compileAlterTableDropConstraint(t);
}
case Tokens.COLUMN :
read();
// fall through
default : {
checkIsSimpleName();
String name = token.tokenString;
boolean cascade = false;
read();
if (token.tokenType == Tokens.RESTRICT) {
read();
} else if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
return compileAlterTableDropColumn(t, name, cascade);
}
}
}
case Tokens.ALTER : {
read();
if (token.tokenType == Tokens.COLUMN) {
read();
}
int columnIndex = t.getColumnIndex(token.tokenString);
ColumnSchema column = t.getColumn(columnIndex);
read();
return compileAlterColumn(t, column, columnIndex);
}
default : {
throw unexpectedToken();
}
}
}
private Statement compileAlterTableDropConstraint(Table t) {
HsqlName readName = null;
HsqlName writeName = null;
boolean cascade = false;
SchemaObject object = readDependentSchemaObjectName(t.getName(),
SchemaObject.CONSTRAINT);
if (token.tokenType == Tokens.RESTRICT) {
read();
} else if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
if (cascade) {
writeName = database.getCatalogName();
} else {
writeName = t.getName();
}
Object[] args = new Object[] {
object.getName(), Integer.valueOf(SchemaObject.CONSTRAINT),
Boolean.valueOf(cascade), Boolean.valueOf(false)
};
String sql = getLastPart();
return new StatementSchema(sql, StatementTypes.DROP_CONSTRAINT, args,
readName, writeName);
}
private Statement compileAlterTableDropPrimaryKey(Table t) {
HsqlName readName = null;
HsqlName writeName = null;
boolean cascade = false;
if (token.tokenType == Tokens.RESTRICT) {
read();
} else if (token.tokenType == Tokens.CASCADE) {
read();
cascade = true;
}
if (!t.hasPrimaryKey()) {
throw Error.error(ErrorCode.X_42501);
}
if (cascade) {
writeName = database.getCatalogName();
} else {
writeName = t.getName();
}
SchemaObject object = t.getPrimaryConstraint();
Object[] args = new Object[] {
object.getName(), Integer.valueOf(SchemaObject.CONSTRAINT),
Boolean.valueOf(cascade), Boolean.valueOf(false)
};
String sql = getLastPart();
return new StatementSchema(sql, StatementTypes.DROP_CONSTRAINT, args,
readName, writeName);
}
StatementSchema compileCreateTable(int type) {
HsqlName name = readNewSchemaObjectNameNoCheck(SchemaObject.TABLE);
HsqlArrayList tempConstraints = new HsqlArrayList();
name.setSchemaIfNull(session.getCurrentSchemaHsqlName());
Table table = TableUtil.newTable(database, type, name);
if (token.tokenType == Tokens.AS) {
return readTableAsSubqueryDefinition(table);
}
int position = getPosition();
readThis(Tokens.OPENBRACKET);
{
Constraint c = new Constraint(null, null, Constraint.TEMP);
tempConstraints.add(c);
}
boolean start = true;
boolean startPart = true;
boolean end = false;
while (!end) {
switch (token.tokenType) {
case Tokens.LIKE : {
ColumnSchema[] likeColumns = readLikeTable(table);
for (int i = 0; i < likeColumns.length; i++) {
table.addColumn(likeColumns[i]);
}
start = false;
startPart = false;
break;
}
case Tokens.CONSTRAINT :
case Tokens.PRIMARY :
case Tokens.FOREIGN :
case Tokens.UNIQUE :
case Tokens.CHECK :
if (!startPart) {
throw unexpectedToken();
}
readConstraint(table, tempConstraints);
start = false;
startPart = false;
break;
case Tokens.COMMA :
if (startPart) {
throw unexpectedToken();
}
read();
startPart = true;
break;
case Tokens.CLOSEBRACKET :
read();
end = true;
break;
default :
if (!startPart) {
throw unexpectedToken();
}
checkIsSchemaObjectName();
HsqlName hsqlName =
database.nameManager.newColumnHsqlName(name,
token.tokenString, isDelimitedIdentifier());
read();
ColumnSchema newcolumn = readColumnDefinitionOrNull(table,
hsqlName, tempConstraints);
if (newcolumn == null) {
if (start) {
rewind(position);
return readTableAsSubqueryDefinition(table);
} else {
throw Error.error(ErrorCode.X_42000);
}
}
table.addColumn(newcolumn);
start = false;
startPart = false;
}
}
if (token.tokenType == Tokens.ON) {
if (!table.isTemp()) {
throw unexpectedToken();
}
read();
readThis(Tokens.COMMIT);
if (token.tokenType == Tokens.DELETE) {}
else if (token.tokenType == Tokens.PRESERVE) {
table.persistenceScope = TableBase.SCOPE_SESSION;
}
read();
readThis(Tokens.ROWS);
}
Object[] args = new Object[] {
table, tempConstraints, null
};
String sql = getLastPart();
return new StatementSchema(sql, StatementTypes.CREATE_TABLE, args,
null, null);
}
private ColumnSchema[] readLikeTable(Table table) {
read();
boolean generated = false;
boolean identity = false;
boolean defaults = false;
Table likeTable = readTableName();
OrderedIntHashSet set = new OrderedIntHashSet();
while (true) {
boolean including = token.tokenType == Tokens.INCLUDING;
if (!including && token.tokenType != Tokens.EXCLUDING) {
break;
}
read();
switch (token.tokenType) {
case Tokens.GENERATED :
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
generated = including;
break;
case Tokens.IDENTITY :
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
identity = including;
break;
case Tokens.DEFAULTS :
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
defaults = including;
break;
default :
throw unexpectedToken();
}
read();
}
ColumnSchema[] columnList =
new ColumnSchema[likeTable.getColumnCount()];
for (int i = 0; i < columnList.length; i++) {
ColumnSchema column = likeTable.getColumn(i).duplicate();
HsqlName name =
database.nameManager.newColumnSchemaHsqlName(table.getName(),
column.getName());
column.setName(name);
if (identity) {
if (column.isIdentity()) {
column.setIdentity(
column.getIdentitySequence().duplicate());
}
} else {
column.setIdentity(null);
}
if (!defaults) {
column.setDefaultExpression(null);
}
if (!generated) {
column.setGeneratingExpression(null);
}
columnList[i] = column;
}
return columnList;
}
StatementSchema readTableAsSubqueryDefinition(Table table) {
HsqlName readName = null;
boolean withData = true;
HsqlName[] columnNames = null;
Statement statement = null;
if (token.tokenType == Tokens.OPENBRACKET) {
columnNames = readColumnNames(table.getName());
}
readThis(Tokens.AS);
readThis(Tokens.OPENBRACKET);
QueryExpression queryExpression = XreadQueryExpression();
queryExpression.setAsTopLevel();
queryExpression.resolve(session);
readThis(Tokens.CLOSEBRACKET);
readThis(Tokens.WITH);
if (token.tokenType == Tokens.NO) {
read();
withData = false;
} else if (table.getTableType() == TableBase.TEXT_TABLE) {
throw unexpectedTokenRequire(Tokens.T_NO);
}
readThis(Tokens.DATA);
if (token.tokenType == Tokens.ON) {
if (!table.isTemp()) {
throw unexpectedToken();
}
read();
readThis(Tokens.COMMIT);
if (token.tokenType == Tokens.DELETE) {}
else if (token.tokenType == Tokens.PRESERVE) {
table.persistenceScope = TableBase.SCOPE_SESSION;
}
read();
readThis(Tokens.ROWS);
}
TableUtil.setColumnsInSchemaTable(
table, queryExpression.getResultColumnNames(),
queryExpression.getColumnTypes());
if (columnNames != null) {
if (columnNames.length != queryExpression.getColumnCount()) {
throw Error.error(ErrorCode.X_42593);
}
for (int i = 0; i < columnNames.length; i++) {
table.getColumn(i).getName().rename(columnNames[i]);
}
}
table.createPrimaryKey();
if (withData) {
statement = new StatementQuery(session, queryExpression,
compileContext);
}
Object[] args = new Object[] {
table, null, statement
};
String sql = getLastPart();
StatementSchema st = new StatementSchema(sql,
StatementTypes.CREATE_TABLE, args, null, null);
st.readTableNames = statement.getTableNamesForRead();
return st;
}
/**
* Adds a list of temp constraints to a new table
*/
static Table addTableConstraintDefinitions(Session session, Table table,
HsqlArrayList tempConstraints, HsqlArrayList constraintList) {
Constraint c = (Constraint) tempConstraints.get(0);
String namePart = c.getName() == null ? null
: c.getName().name;
HsqlName indexName = session.database.nameManager.newAutoName("IDX",
namePart, table.getSchemaName(), table.getName(),
SchemaObject.INDEX);
if (c.mainColSet != null) {
c.core.mainCols = table.getColumnIndexes(c.mainColSet);
}
table.createPrimaryKey(indexName, c.core.mainCols, true);
if (c.core.mainCols != null) {
Constraint newconstraint = new Constraint(c.getName(), table,
table.getPrimaryIndex(), Constraint.PRIMARY_KEY);
table.addConstraint(newconstraint);
session.database.schemaManager.addSchemaObject(newconstraint);
}
for (int i = 1; i < tempConstraints.size(); i++) {
c = (Constraint) tempConstraints.get(i);
switch (c.constType) {
case Constraint.UNIQUE : {
c.setColumnsIndexes(table);
if (table.getUniqueConstraintForColumns(c.core.mainCols)
!= null) {
throw Error.error(ErrorCode.X_42522);
}
// create an autonamed index
indexName = session.database.nameManager.newAutoName("IDX",
c.getName().name, table.getSchemaName(),
table.getName(), SchemaObject.INDEX);
Index index = table.createAndAddIndexStructure(indexName,
c.core.mainCols, null, null, true, true, false);
Constraint newconstraint = new Constraint(c.getName(),
table, index, Constraint.UNIQUE);
table.addConstraint(newconstraint);
session.database.schemaManager.addSchemaObject(
newconstraint);
break;
}
case Constraint.FOREIGN_KEY : {
addForeignKey(session, table, c, constraintList);
break;
}
case Constraint.CHECK : {
c.prepareCheckConstraint(session, table, false);
table.addConstraint(c);
if (c.isNotNull()) {
ColumnSchema column =
table.getColumn(c.notNullColumnIndex);
column.setNullable(false);
table.setColumnTypeVars(c.notNullColumnIndex);
}
session.database.schemaManager.addSchemaObject(c);
break;
}
}
}
return table;
}
static void addForeignKey(Session session, Table table, Constraint c,
HsqlArrayList constraintList) {
HsqlName mainTableName = c.getMainTableName();
if (mainTableName == table.getName()) {
c.core.mainTable = table;
} else {
Table mainTable =
session.database.schemaManager.findUserTable(session,
mainTableName.name, mainTableName.schema.name);
if (mainTable == null) {
if (constraintList == null) {
throw Error.error(ErrorCode.X_42501, mainTableName.name);
}
constraintList.add(c);
return;
}
c.core.mainTable = mainTable;
}
c.setColumnsIndexes(table);
Constraint uniqueConstraint =
c.core.mainTable.getUniqueConstraintForColumns(c.core.mainCols,
c.core.refCols);
assert(uniqueConstraint != null) : "Invalid foreign key for " + c.core.mainTable.getName();
Index mainIndex = uniqueConstraint.getMainIndex();
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.checkCreateForeignKey(c);
boolean isForward = c.core.mainTable.getSchemaName()
!= table.getSchemaName();
int offset = session.database.schemaManager.getTableIndex(table);
if (offset != -1
&& offset
< session.database.schemaManager.getTableIndex(
c.core.mainTable)) {
isForward = true;
}
HsqlName refIndexName = session.database.nameManager.newAutoName("IDX",
table.getSchemaName(), table.getName(), SchemaObject.INDEX);
Index index = table.createAndAddIndexStructure(refIndexName,
c.core.refCols, null, null, false, true, isForward);
HsqlName mainName = session.database.nameManager.newAutoName("REF",
c.getName().name, table.getSchemaName(), table.getName(),
SchemaObject.INDEX);
c.core.uniqueName = uniqueConstraint.getName();
c.core.mainName = mainName;
c.core.mainIndex = mainIndex;
c.core.refTable = table;
c.core.refName = c.getName();
c.core.refIndex = index;
c.isForward = isForward;
table.addConstraint(c);
c.core.mainTable.addConstraint(new Constraint(mainName, c));
session.database.schemaManager.addSchemaObject(c);
}
private Constraint readFKReferences(Table refTable,
HsqlName constraintName,
OrderedHashSet refColSet) {
HsqlName mainTableName;
OrderedHashSet mainColSet = null;
readThis(Tokens.REFERENCES);
HsqlName schema;
if (token.namePrefix == null) {
schema = refTable.getSchemaName();
} else {
schema =
database.schemaManager.getSchemaHsqlName(token.namePrefix);
}
if (refTable.getSchemaName() == schema
&& refTable.getName().name.equals(token.tokenString)) {
mainTableName = refTable.getName();
read();
} else {
mainTableName = readFKTableName(schema);
}
if (token.tokenType == Tokens.OPENBRACKET) {
mainColSet = readColumnNames(false);
} else {
// columns are resolved in the calling method
if (mainTableName == refTable.getName()) {
// fredt - FK statement is part of CREATE TABLE and is self-referencing
// reference must be to same table being created
} else {
/*
if (!mainTable.hasPrimaryKey()) {
throw Trace.error(Trace.CONSTRAINT_NOT_FOUND,
Trace.TABLE_HAS_NO_PRIMARY_KEY);
}
*/
}
}
int matchType = OpTypes.MATCH_SIMPLE;
if (token.tokenType == Tokens.MATCH) {
read();
switch (token.tokenType) {
case Tokens.SIMPLE :
read();
break;
case Tokens.PARTIAL :
throw super.unsupportedFeature();
case Tokens.FULL :
read();
matchType = OpTypes.MATCH_FULL;
break;
default :
throw unexpectedToken();
}
}
// -- In a while loop we parse a maximium of two
// -- "ON" statements following the foreign key
// -- definition this can be
// -- ON [UPDATE|DELETE] [NO ACTION|RESTRICT|CASCADE|SET [NULL|DEFAULT]]
int deleteAction = Constraint.NO_ACTION;
int updateAction = Constraint.NO_ACTION;
OrderedIntHashSet set = new OrderedIntHashSet();
while (token.tokenType == Tokens.ON) {
read();
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
if (token.tokenType == Tokens.DELETE) {
read();
if (token.tokenType == Tokens.SET) {
read();
switch (token.tokenType) {
case Tokens.DEFAULT : {
read();
deleteAction = Constraint.SET_DEFAULT;
break;
}
case Tokens.NULL :
read();
deleteAction = Constraint.SET_NULL;
break;
default :
throw unexpectedToken();
}
} else if (token.tokenType == Tokens.CASCADE) {
read();
deleteAction = Constraint.CASCADE;
} else if (token.tokenType == Tokens.RESTRICT) {
read();
} else {
readThis(Tokens.NO);
readThis(Tokens.ACTION);
}
} else if (token.tokenType == Tokens.UPDATE) {
read();
if (token.tokenType == Tokens.SET) {
read();
switch (token.tokenType) {
case Tokens.DEFAULT : {
read();
deleteAction = Constraint.SET_DEFAULT;
break;
}
case Tokens.NULL :
read();
deleteAction = Constraint.SET_NULL;
break;
default :
throw unexpectedToken();
}
} else if (token.tokenType == Tokens.CASCADE) {
read();
updateAction = Constraint.CASCADE;
} else if (token.tokenType == Tokens.RESTRICT) {
read();
} else {
readThis(Tokens.NO);
readThis(Tokens.ACTION);
}
} else {
throw unexpectedToken();
}
}
if (constraintName == null) {
constraintName = database.nameManager.newAutoName("FK",
refTable.getSchemaName(), refTable.getName(),
SchemaObject.CONSTRAINT);
}
return new Constraint(constraintName, refTable.getName(), refColSet,
mainTableName, mainColSet,
Constraint.FOREIGN_KEY, deleteAction,
updateAction, matchType);
}
private HsqlName readFKTableName(HsqlName schema) {
HsqlName name;
checkIsSchemaObjectName();
Table table = database.schemaManager.findUserTable(session,
token.tokenString, schema.name);
if (table == null) {
name = database.nameManager.newHsqlName(schema, token.tokenString,
isDelimitedIdentifier(), SchemaObject.TABLE);
} else {
name = table.getName();
}
read();
return name;
}
void processCreateView() {
StatementSchema cs = compileCreateView();
View view = (View) cs.arguments[0];
checkSchemaUpdateAuthorisation(view.getSchemaName());
database.schemaManager.checkSchemaObjectNotExists(view.getName());
database.schemaManager.addSchemaObject(view);
}
StatementSchema compileCreateView() {
read();
HsqlName name = readNewSchemaObjectName(SchemaObject.VIEW);
name.setSchemaIfNull(session.getCurrentSchemaHsqlName());
HsqlName[] colList = null;
if (token.tokenType == Tokens.OPENBRACKET) {
colList = readColumnNames(name);
}
readThis(Tokens.AS);
startRecording();
int position = getPosition();
QueryExpression queryExpression;
try {
queryExpression = XreadQueryExpression();
} catch (HsqlException e) {
queryExpression = XreadJoinedTable();
}
Token[] statement = getRecordedStatement();
String sql = getLastPart(position);
int check = SchemaObject.ViewCheckModes.CHECK_NONE;
if (token.tokenType == Tokens.WITH) {
read();
check = SchemaObject.ViewCheckModes.CHECK_CASCADE;
if (readIfThis(Tokens.LOCAL)) {
check = SchemaObject.ViewCheckModes.CHECK_LOCAL;
} else {
readIfThis(Tokens.CASCADED);
}
readThis(Tokens.CHECK);
readThis(Tokens.OPTION);
}
View view = new View(session, database, name, colList, sql, check);
queryExpression.setAsTopLevel();
queryExpression.setView(view);
queryExpression.resolve(session);
view.compile(session);
checkSchemaUpdateAuthorisation(name.schema);
database.schemaManager.checkSchemaObjectNotExists(name);
String statementSQL = Token.getSQL(statement);
view.statement = statementSQL;
String fullSQL = getLastPart();
Object[] args = new Object[]{ view };
return new StatementSchema(fullSQL, StatementTypes.CREATE_VIEW, args,
null, null);
}
StatementSchema compileCreateSequence() {
read();
/*
CREATE SEQUENCE <name>
[AS {INTEGER | BIGINT}]
[START WITH <value>]
[INCREMENT BY <value>]
*/
HsqlName name = readNewSchemaObjectNameNoCheck(SchemaObject.SEQUENCE);
NumberSequence sequence = new NumberSequence(name, Type.SQL_INTEGER);
readSequenceOptions(sequence, true, false);
String sql = getLastPart();
Object[] args = new Object[]{ sequence };
return new StatementSchema(sql, StatementTypes.CREATE_SEQUENCE, args,
null, null);
}
StatementSchema compileCreateDomain() {
UserTypeModifier userTypeModifier = null;
HsqlName name;
read();
name = readNewSchemaObjectNameNoCheck(SchemaObject.DOMAIN);
readIfThis(Tokens.AS);
Type type = readTypeDefinition(false).duplicate();
Expression defaultClause = null;
if (readIfThis(Tokens.DEFAULT)) {
defaultClause = readDefaultClause(type);
}
userTypeModifier = new UserTypeModifier(name, SchemaObject.DOMAIN,
type);
userTypeModifier.setDefaultClause(defaultClause);
type.userTypeModifier = userTypeModifier;
HsqlArrayList tempConstraints = new HsqlArrayList();
compileContext.currentDomain = type;
while (true) {
boolean end = false;
switch (token.tokenType) {
case Tokens.CONSTRAINT :
case Tokens.CHECK :
readConstraint(type, tempConstraints);
break;
default :
end = true;
break;
}
if (end) {
break;
}
}
compileContext.currentDomain = null;
for (int i = 0; i < tempConstraints.size(); i++) {
Constraint c = (Constraint) tempConstraints.get(i);
c.prepareCheckConstraint(session, null, false);
userTypeModifier.addConstraint(c);
}
String sql = getLastPart();
Object[] args = new Object[]{ type };
return new StatementSchema(sql, StatementTypes.CREATE_DOMAIN, args,
null, null);
}
StatementSchema compileCreateType() {
read();
HsqlName name = readNewSchemaObjectNameNoCheck(SchemaObject.TYPE);
readThis(Tokens.AS);
Type type = readTypeDefinition(false).duplicate();
readIfThis(Tokens.FINAL);
UserTypeModifier userTypeModifier = new UserTypeModifier(name,
SchemaObject.TYPE, type);
type.userTypeModifier = userTypeModifier;
String sql = getLastPart();
Object[] args = new Object[]{ type };
return new StatementSchema(sql, StatementTypes.CREATE_TYPE, args,
null, null);
}
StatementSchema compileCreateCharacterSet() {
read();
readThis(Tokens.SET);
HsqlName name = readNewSchemaObjectNameNoCheck(SchemaObject.CHARSET);
readIfThis(Tokens.AS);
readThis(Tokens.GET);
String schema = session.getSchemaName(token.namePrefix);
Charset source =
(Charset) database.schemaManager.getSchemaObject(token.tokenString,
schema, SchemaObject.CHARSET);
read();
if (token.tokenType == Tokens.COLLATION) {
read();
readThis(Tokens.FROM);
readThis(Tokens.DEFAULT);
}
Charset charset = new Charset(name);
charset.base = source.getName();
String sql = getLastPart();
Object[] args = new Object[]{ charset };
return new StatementSchema(sql, StatementTypes.CREATE_CHARACTER_SET,
args, null, null);
}
StatementSchema compileCreateAlias() {
HsqlName name = null;
Routine[] routines = null;
String alias;
String methodFQN = null;
if (!session.isProcessingScript()) {
throw super.unsupportedFeature();
}
read();
try {
alias = token.tokenString;
read();
readThis(Tokens.FOR);
methodFQN = token.tokenString;
read();
} catch (HsqlException e) {
alias = null;
}
if (alias != null) {
HsqlName schema =
database.schemaManager.getDefaultSchemaHsqlName();
name = database.nameManager.newHsqlName(schema, alias,
SchemaObject.FUNCTION);
Method[] methods = Routine.getMethods(methodFQN);
routines = Routine.newRoutines(methods);
}
String sql = getLastPart();
Object[] args = new Object[] {
name, routines
};
return new StatementSchema(sql, StatementTypes.CREATE_ALIAS, args,
null, null);
}
StatementSchema compileCreateTrigger() {
Table table;
boolean isForEachRow = false;
boolean isNowait = false;
boolean hasQueueSize = false;
Integer queueSize = TriggerDef.defaultQueueSize;
String beforeOrAfter;
int beforeOrAfterType;
String operation;
int operationType;
String className;
TriggerDef td;
HsqlName name;
HsqlName otherName = null;
OrderedHashSet columns = null;
int[] updateColumnIndexes = null;
read();
name = readNewSchemaObjectName(SchemaObject.TRIGGER);
switch (token.tokenType) {
case Tokens.INSTEAD :
beforeOrAfter = token.tokenString;
beforeOrAfterType = token.tokenType;
read();
readThis(Tokens.OF);
break;
case Tokens.BEFORE :
case Tokens.AFTER :
beforeOrAfter = token.tokenString;
beforeOrAfterType = token.tokenType;
read();
break;
default :
throw unexpectedToken();
}
switch (token.tokenType) {
case Tokens.INSERT :
case Tokens.DELETE :
operation = token.tokenString;
operationType = token.tokenType;
read();
break;
case Tokens.UPDATE :
operation = token.tokenString;
operationType = token.tokenType;
read();
if (token.tokenType == Tokens.OF
&& beforeOrAfterType != Tokens.INSTEAD) {
read();
columns = readColumnNames(false);
}
break;
default :
throw unexpectedToken();
}
readThis(Tokens.ON);
table = readTableName();
if (token.tokenType == Tokens.BEFORE) {
read();
checkIsSimpleName();
otherName = readNewSchemaObjectName(SchemaObject.TRIGGER);
}
name.setSchemaIfNull(table.getSchemaName());
checkSchemaUpdateAuthorisation(name.schema);
if (beforeOrAfterType == Tokens.INSTEAD) {
if (!table.isView()
|| ((View) table).getCheckOption()
== SchemaObject.ViewCheckModes.CHECK_CASCADE) {
throw Error.error(ErrorCode.X_42538, name.schema.name);
}
} else {
if (table.isView()) {
throw Error.error(ErrorCode.X_42538, name.schema.name);
}
}
if (name.schema != table.getSchemaName()) {
throw Error.error(ErrorCode.X_42505, name.schema.name);
}
name.parent = table.getName();
database.schemaManager.checkSchemaObjectNotExists(name);
if (columns != null) {
updateColumnIndexes = table.getColumnIndexes(columns);
for (int i = 0; i < updateColumnIndexes.length; i++) {
if (updateColumnIndexes[i] == -1) {
throw Error.error(ErrorCode.X_42544,
(String) columns.get(i));
}
}
}
Expression condition = null;
String oldTableName = null;
String newTableName = null;
String oldRowName = null;
String newRowName = null;
Table[] transitions = new Table[4];
RangeVariable[] rangeVars = new RangeVariable[4];
HsqlArrayList compiledStatements = new HsqlArrayList();
String conditionSQL = null;
String procedureSQL = null;
if (token.tokenType == Tokens.REFERENCING) {
read();
if (token.tokenType != Tokens.OLD
&& token.tokenType != Tokens.NEW) {
throw unexpectedToken();
}
while (true) {
if (token.tokenType == Tokens.OLD) {
if (operationType == Tokens.INSERT) {
throw unexpectedToken();
}
read();
if (token.tokenType == Tokens.TABLE) {
if (oldTableName != null
|| beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
read();
readIfThis(Tokens.AS);
checkIsSimpleName();
oldTableName = token.tokenString;
String n = oldTableName;
if (n.equals(newTableName) || n.equals(oldRowName)
|| n.equals(newRowName)) {
throw unexpectedToken();
}
HsqlName hsqlName = database.nameManager.newHsqlName(
table.getSchemaName(), n, isDelimitedIdentifier(),
SchemaObject.TRANSITION);
Table transition = new Table(table, hsqlName);
RangeVariable range = new RangeVariable(transition,
null, null, null, compileContext);
transitions[TriggerDef.OLD_TABLE] = transition;
rangeVars[TriggerDef.OLD_TABLE] = range;
} else if (token.tokenType == Tokens.ROW) {
if (oldRowName != null) {
throw unexpectedToken();
}
read();
readIfThis(Tokens.AS);
checkIsSimpleName();
oldRowName = token.tokenString;
String n = oldRowName;
if (n.equals(newTableName) || n.equals(oldTableName)
|| n.equals(newRowName)) {
throw unexpectedToken();
}
isForEachRow = true;
HsqlName hsqlName = database.nameManager.newHsqlName(
table.getSchemaName(), n, isDelimitedIdentifier(),
SchemaObject.TRANSITION);
Table transition = new Table(table, hsqlName);
RangeVariable range = new RangeVariable(transition,
null, null, null, compileContext);
transitions[TriggerDef.OLD_ROW] = transition;
rangeVars[TriggerDef.OLD_ROW] = range;
} else {
throw unexpectedToken();
}
} else if (token.tokenType == Tokens.NEW) {
if (operationType == Tokens.DELETE) {
throw unexpectedToken();
}
read();
if (token.tokenType == Tokens.TABLE) {
if (newTableName != null
|| beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
read();
readIfThis(Tokens.AS);
checkIsSimpleName();
newTableName = token.tokenString;
String n = newTableName;
if (n.equals(oldTableName) || n.equals(oldRowName)
|| n.equals(newRowName)) {
throw unexpectedToken();
}
HsqlName hsqlName = database.nameManager.newHsqlName(
table.getSchemaName(), n, isDelimitedIdentifier(),
SchemaObject.TRANSITION);
Table transition = new Table(table, hsqlName);
RangeVariable range = new RangeVariable(transition,
null, null, null, compileContext);
transitions[TriggerDef.NEW_TABLE] = transition;
rangeVars[TriggerDef.NEW_TABLE] = range;
} else if (token.tokenType == Tokens.ROW) {
if (newRowName != null) {
throw unexpectedToken();
}
read();
readIfThis(Tokens.AS);
checkIsSimpleName();
newRowName = token.tokenString;
isForEachRow = true;
String n = newRowName;
if (n.equals(oldTableName) || n.equals(newTableName)
|| n.equals(oldRowName)) {
throw unexpectedToken();
}
HsqlName hsqlName = database.nameManager.newHsqlName(
table.getSchemaName(), n, isDelimitedIdentifier(),
SchemaObject.TRANSITION);
Table transition = new Table(table, hsqlName);
RangeVariable range = new RangeVariable(transition,
null, null, null, compileContext);
transitions[TriggerDef.NEW_ROW] = transition;
rangeVars[TriggerDef.NEW_ROW] = range;
} else {
throw unexpectedToken();
}
} else {
break;
}
read();
}
}
if (isForEachRow && token.tokenType != Tokens.FOR) {
throw unexpectedToken();
}
// "FOR EACH ROW" or "CALL"
if (token.tokenType == Tokens.FOR) {
read();
readThis(Tokens.EACH);
if (token.tokenType == Tokens.ROW) {
isForEachRow = true;
} else if (token.tokenType == Tokens.STATEMENT) {
if (isForEachRow) {
throw unexpectedToken();
}
} else {
throw unexpectedToken();
}
read();
}
//
if (rangeVars[TriggerDef.OLD_TABLE] != null) {}
if (rangeVars[TriggerDef.NEW_TABLE] != null) {}
//
if (Tokens.T_NOWAIT.equals(token.tokenString)) {
read();
isNowait = true;
} else if (Tokens.T_QUEUE.equals(token.tokenString)) {
read();
queueSize = readInteger();
hasQueueSize = true;
}
if (token.tokenType == Tokens.WHEN
&& beforeOrAfterType != Tokens.INSTEAD) {
read();
readThis(Tokens.OPENBRACKET);
int position = getPosition();
isCheckOrTriggerCondition = true;
condition = XreadBooleanValueExpression();
conditionSQL = getLastPart(position);
isCheckOrTriggerCondition = false;
readThis(Tokens.CLOSEBRACKET);
HsqlList unresolved = condition.resolveColumnReferences(rangeVars,
null);
ExpressionColumn.checkColumnsResolved(unresolved);
condition.resolveTypes(session, null);
if (condition.getDataType() != Type.SQL_BOOLEAN) {
throw Error.error(ErrorCode.X_42568);
}
}
if (token.tokenType == Tokens.CALL) {
read();
checkIsSimpleName();
checkIsDelimitedIdentifier();
className = token.tokenString;
read();
td = new TriggerDef(name, beforeOrAfter, operation, isForEachRow,
table, transitions, rangeVars, condition,
conditionSQL, updateColumnIndexes, className, isNowait,
queueSize);
String sql = getLastPart();
Object[] args = new Object[] {
td, otherName
};
return new StatementSchema(sql, StatementTypes.CREATE_TRIGGER,
args, null, table.getName());
}
//
if (isNowait) {
throw unexpectedToken(Tokens.T_NOWAIT);
}
if (hasQueueSize) {
throw unexpectedToken(Tokens.T_QUEUE);
}
// procedure
boolean isBlock = false;
if (readIfThis(Tokens.BEGIN)) {
readThis(Tokens.ATOMIC);
isBlock = true;
}
int position = getPosition();
while (true) {
StatementDMQL cs = null;
switch (token.tokenType) {
case Tokens.INSERT :
if (beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
cs = compileInsertStatement(rangeVars);
compiledStatements.add(cs);
if (isBlock) {
readThis(Tokens.SEMICOLON);
}
break;
case Tokens.UPDATE :
if (beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
cs = compileUpdateStatement(rangeVars);
compiledStatements.add(cs);
if (isBlock) {
readThis(Tokens.SEMICOLON);
}
break;
case Tokens.DELETE :
if (beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
cs = compileDeleteStatement(rangeVars);
compiledStatements.add(cs);
if (isBlock) {
readThis(Tokens.SEMICOLON);
}
break;
case Tokens.MERGE :
if (beforeOrAfterType == Tokens.BEFORE) {
throw unexpectedToken();
}
cs = compileMergeStatement(rangeVars);
compiledStatements.add(cs);
if (isBlock) {
readThis(Tokens.SEMICOLON);
}
break;
case Tokens.SET :
if (beforeOrAfterType != Tokens.BEFORE
|| operationType == Tokens.DELETE) {
throw unexpectedToken();
}
cs = compileTriggerSetStatement(table, rangeVars);
compiledStatements.add(cs);
if (isBlock) {
readThis(Tokens.SEMICOLON);
}
break;
case Tokens.END :
break;
default :
throw unexpectedToken();
}
if (!isBlock || token.tokenType == Tokens.END) {
break;
}
}
procedureSQL = getLastPart(position);
if (isBlock) {
readThis(Tokens.END);
}
StatementDMQL[] csArray = new StatementDMQL[compiledStatements.size()];
compiledStatements.toArray(csArray);
OrderedHashSet references = compileContext.getSchemaObjectNames();
for (int i = 0; i < csArray.length; i++) {
Table targetTable = csArray[i].targetTable;
boolean[] check = csArray[i].getInsertOrUpdateColumnCheckList();
if (check != null) {
targetTable.getColumnNames(check, references);
}
}
references.remove(table.getName());
td = new TriggerDefSQL(name, beforeOrAfter, operation, isForEachRow,
table, transitions, rangeVars, condition,
conditionSQL, updateColumnIndexes, csArray, procedureSQL,
references);
String sql = getLastPart();
Object[] args = new Object[] {
td, otherName
};
return new StatementSchema(sql, StatementTypes.CREATE_TRIGGER, args,
null, table.getName());
}
/**
* Creates SET Statement for a trigger row from this parse context.
*/
StatementDMQL compileTriggerSetStatement(Table table,
RangeVariable[] rangeVars) {
read();
Expression[] updateExpressions;
int[] columnMap;
OrderedHashSet colNames = new OrderedHashSet();
HsqlArrayList exprList = new HsqlArrayList();
RangeVariable[] targetRangeVars = new RangeVariable[]{
rangeVars[TriggerDef.NEW_ROW] };
readSetClauseList(targetRangeVars, colNames, exprList);
columnMap = table.getColumnIndexes(colNames);
updateExpressions = new Expression[exprList.size()];
exprList.toArray(updateExpressions);
resolveUpdateExpressions(table, rangeVars, columnMap,
updateExpressions, RangeVariable.emptyArray);
StatementDMQL cs = new StatementDML(session, table, rangeVars,
columnMap, updateExpressions,
compileContext);
return cs;
}
/**
* Responsible for handling the creation of table columns during the process
* of executing CREATE TABLE or ADD COLUMN etc. statements.
*
* @param table this table
* @param hsqlName column name
* @param constraintList list of constraints
* @return a Column object with indicated attributes
*/
ColumnSchema readColumnDefinitionOrNull(Table table, HsqlName hsqlName,
HsqlArrayList constraintList) {
boolean isIdentity = false;
boolean isPKIdentity = false;
boolean identityAlways = false;
Expression generateExpr = null;
boolean isNullable = true;
Expression defaultExpr = null;
Type typeObject;
NumberSequence sequence = null;
if (token.tokenType == Tokens.IDENTITY) {
read();
isIdentity = true;
isPKIdentity = true;
typeObject = Type.SQL_INTEGER;
sequence = new NumberSequence(null, 0, 1, typeObject);
} else if (token.tokenType == Tokens.COMMA) {
;
return null;
} else {
typeObject = readTypeDefinition(true);
}
if (isIdentity) {}
else if (token.tokenType == Tokens.DEFAULT) {
read();
defaultExpr = readDefaultClause(typeObject);
} else if (token.tokenType == Tokens.GENERATED && !isIdentity) {
read();
if (token.tokenType == Tokens.BY) {
read();
readThis(Tokens.DEFAULT);
} else {
readThis(Tokens.ALWAYS);
identityAlways = true;
}
readThis(Tokens.AS);
if (token.tokenType == Tokens.IDENTITY) {
read();
sequence = new NumberSequence(null, typeObject);
sequence.setAlways(identityAlways);
if (token.tokenType == Tokens.OPENBRACKET) {
read();
readSequenceOptions(sequence, false, false);
readThis(Tokens.CLOSEBRACKET);
}
isIdentity = true;
} else if (token.tokenType == Tokens.OPENBRACKET) {
read();
generateExpr = XreadValueExpression();
readThis(Tokens.CLOSEBRACKET);
}
}
ColumnSchema column = new ColumnSchema(hsqlName, typeObject,
isNullable, false, defaultExpr);
readColumnConstraints(table, column, constraintList);
if (token.tokenType == Tokens.IDENTITY && !isIdentity) {
read();
isIdentity = true;
isPKIdentity = true;
sequence = new NumberSequence(null, 0, 1, typeObject);
}
if (isIdentity) {
column.setIdentity(sequence);
}
if (isPKIdentity && !column.isPrimaryKey()) {
OrderedHashSet set = new OrderedHashSet();
set.add(column.getName().name);
HsqlName constName = database.nameManager.newAutoName("PK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
Constraint c = new Constraint(constName, set,
Constraint.PRIMARY_KEY);
constraintList.set(0, c);
column.setPrimaryKey(true);
}
return column;
}
private void readSequenceOptions(NumberSequence sequence,
boolean withType, boolean isAlter) {
OrderedIntHashSet set = new OrderedIntHashSet();
while (true) {
boolean end = false;
if (set.contains(token.tokenType)) {
throw unexpectedToken();
}
switch (token.tokenType) {
case Tokens.AS : {
if (withType) {
read();
Type type = readTypeDefinition(true);
sequence.setDefaults(sequence.name, type);
break;
}
throw unexpectedToken();
}
case Tokens.START : {
set.add(token.tokenType);
read();
readThis(Tokens.WITH);
long value = readBigint();
sequence.setStartValueNoCheck(value);
break;
}
case Tokens.RESTART : {
if (!isAlter) {
end = true;
break;
}
set.add(token.tokenType);
read();
if (readIfThis(Tokens.WITH)) {
long value = readBigint();
sequence.setCurrentValueNoCheck(value);
} else {
sequence.setStartValueDefault();
}
break;
}
case Tokens.INCREMENT : {
set.add(token.tokenType);
read();
readThis(Tokens.BY);
long value = readBigint();
sequence.setIncrement(value);
break;
}
case Tokens.NO :
read();
if (token.tokenType == Tokens.MAXVALUE) {
sequence.setDefaultMaxValue();
} else if (token.tokenType == Tokens.MINVALUE) {
sequence.setDefaultMinValue();
} else if (token.tokenType == Tokens.CYCLE) {
sequence.setCycle(false);
} else {
throw unexpectedToken();
}
set.add(token.tokenType);
read();
break;
case Tokens.MAXVALUE : {
set.add(token.tokenType);
read();
long value = readBigint();
sequence.setMaxValueNoCheck(value);
break;
}
case Tokens.MINVALUE : {
set.add(token.tokenType);
read();
long value = readBigint();
sequence.setMinValueNoCheck(value);
break;
}
case Tokens.CYCLE :
set.add(token.tokenType);
read();
sequence.setCycle(true);
break;
default :
end = true;
break;
}
if (end) {
break;
}
}
sequence.checkValues();
}
/**
* Reads and adds a table constraint definition to the list
*
* @param schemaObject table or domain
* @param constraintList list of constraints
*/
private void readConstraint(SchemaObject schemaObject,
HsqlArrayList constraintList) {
HsqlName constName = null;
if (token.tokenType == Tokens.CONSTRAINT) {
read();
constName =
readNewDependentSchemaObjectName(schemaObject.getName(),
SchemaObject.CONSTRAINT);
}
switch (token.tokenType) {
case Tokens.PRIMARY : {
if (schemaObject.getName().type != SchemaObject.TABLE) {
throw this.unexpectedTokenRequire(Tokens.T_CHECK);
}
read();
readThis(Tokens.KEY);
Constraint mainConst;
mainConst = (Constraint) constraintList.get(0);
if (mainConst.constType == Constraint.PRIMARY_KEY) {
throw Error.error(ErrorCode.X_42532);
}
if (constName == null) {
constName = database.nameManager.newAutoName("PK",
schemaObject.getSchemaName(),
schemaObject.getName(), SchemaObject.CONSTRAINT);
}
OrderedHashSet set = readColumnNames(false);
Constraint c = new Constraint(constName, set,
Constraint.PRIMARY_KEY);
constraintList.set(0, c);
break;
}
case Tokens.UNIQUE : {
if (schemaObject.getName().type != SchemaObject.TABLE) {
throw this.unexpectedTokenRequire(Tokens.T_CHECK);
}
read();
OrderedHashSet set = readColumnNames(false);
if (constName == null) {
constName = database.nameManager.newAutoName("CT",
schemaObject.getSchemaName(),
schemaObject.getName(), SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, set,
Constraint.UNIQUE);
constraintList.add(c);
break;
}
case Tokens.FOREIGN : {
if (schemaObject.getName().type != SchemaObject.TABLE) {
throw this.unexpectedTokenRequire(Tokens.T_CHECK);
}
read();
readThis(Tokens.KEY);
OrderedHashSet set = readColumnNames(false);
Constraint c = readFKReferences((Table) schemaObject,
constName, set);
constraintList.add(c);
break;
}
case Tokens.CHECK : {
read();
if (constName == null) {
constName = database.nameManager.newAutoName("CT",
schemaObject.getSchemaName(),
schemaObject.getName(), SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, null,
Constraint.CHECK);
readCheckConstraintCondition(c);
constraintList.add(c);
break;
}
default : {
if (constName != null) {
throw Error.error(ErrorCode.X_42581);
}
}
}
}
/**
* Reads column constraints
*/
void readColumnConstraints(Table table, ColumnSchema column,
HsqlArrayList constraintList) {
boolean end = false;
while (true) {
HsqlName constName = null;
if (token.tokenType == Tokens.CONSTRAINT) {
read();
constName = readNewDependentSchemaObjectName(table.getName(),
SchemaObject.CONSTRAINT);
}
switch (token.tokenType) {
case Tokens.PRIMARY : {
read();
readThis(Tokens.KEY);
Constraint existingConst =
(Constraint) constraintList.get(0);
if (existingConst.constType == Constraint.PRIMARY_KEY) {
throw Error.error(ErrorCode.X_42532);
}
OrderedHashSet set = new OrderedHashSet();
set.add(column.getName().name);
if (constName == null) {
constName = database.nameManager.newAutoName("PK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, set,
Constraint.PRIMARY_KEY);
constraintList.set(0, c);
column.setPrimaryKey(true);
break;
}
case Tokens.UNIQUE : {
read();
OrderedHashSet set = new OrderedHashSet();
set.add(column.getName().name);
if (constName == null) {
constName = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, set,
Constraint.UNIQUE);
constraintList.add(c);
break;
}
case Tokens.FOREIGN : {
read();
readThis(Tokens.KEY);
}
// fall through
case Tokens.REFERENCES : {
OrderedHashSet set = new OrderedHashSet();
set.add(column.getName().name);
Constraint c = readFKReferences(table, constName, set);
constraintList.add(c);
break;
}
case Tokens.CHECK : {
read();
if (constName == null) {
constName = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, null,
Constraint.CHECK);
readCheckConstraintCondition(c);
OrderedHashSet set = c.getCheckColumnExpressions();
for (int i = 0; i < set.size(); i++) {
ExpressionColumn e = (ExpressionColumn) set.get(i);
if (column.getName().name.equals(e.getColumnName())) {
if (e.getSchemaName() != null
&& e.getSchemaName()
!= table.getSchemaName().name) {
throw Error.error(ErrorCode.X_42505);
}
} else {
throw Error.error(ErrorCode.X_42501);
}
}
constraintList.add(c);
break;
}
case Tokens.NOT : {
read();
readThis(Tokens.NULL);
if (constName == null) {
constName = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
Constraint c = new Constraint(constName, null,
Constraint.CHECK);
c.check = new ExpressionLogical(column);
constraintList.add(c);
break;
}
default :
end = true;
break;
}
if (end) {
break;
}
}
}
/**
* Responsible for handling check constraints section of CREATE TABLE ...
*
* @param c check constraint
*/
void readCheckConstraintCondition(Constraint c) {
readThis(Tokens.OPENBRACKET);
startRecording();
isCheckOrTriggerCondition = true;
Expression condition = XreadBooleanValueExpression();
isCheckOrTriggerCondition = false;
Token[] tokens = getRecordedStatement();
readThis(Tokens.CLOSEBRACKET);
c.check = condition;
c.checkStatement = Token.getSQL(tokens);
}
/**
* Process a bracketed column list as used in the declaration of SQL
* CONSTRAINTS and return an array containing the indexes of the columns
* within the table.
*
* @param table table that contains the columns
* @param ascOrDesc boolean
* @return array of column indexes
*/
private int[] readColumnList(Table table, boolean ascOrDesc) {
OrderedHashSet set = readColumnNames(ascOrDesc);
return table.getColumnIndexes(set);
}
StatementSchema compileCreateIndex(boolean unique) {
Table table;
HsqlName indexHsqlName;
read();
indexHsqlName = readNewSchemaObjectName(SchemaObject.INDEX);
readThis(Tokens.ON);
table = readTableName();
HsqlName tableSchema = table.getSchemaName();
indexHsqlName.setSchemaIfNull(tableSchema);
indexHsqlName.parent = table.getName();
if (indexHsqlName.schema != tableSchema) {
throw Error.error(ErrorCode.X_42505);
}
indexHsqlName.schema = table.getSchemaName();
int[] indexColumns = readColumnList(table, true);
String sql = getLastPart();
Object[] args = new Object[] {
table, indexColumns, indexHsqlName, Boolean.valueOf(unique)
};
return new StatementSchema(sql, StatementTypes.CREATE_INDEX, args,
null, table.getName());
}
StatementSchema compileCreateSchema() {
HsqlName schemaName = null;
String authorisation = null;
read();
if (token.tokenType != Tokens.AUTHORIZATION) {
schemaName = readNewSchemaName();
}
if (token.tokenType == Tokens.AUTHORIZATION) {
read();
checkIsSimpleName();
authorisation = token.tokenString;
read();
if (schemaName == null) {
Grantee owner =
database.getGranteeManager().get(authorisation);
if (owner == null) {
throw Error.error(ErrorCode.X_28501, authorisation);
}
schemaName =
database.nameManager.newHsqlName(owner.getName().name,
isDelimitedIdentifier(),
SchemaObject.SCHEMA);
SqlInvariants.checkSchemaNameNotSystem(token.tokenString);
}
}
if (SqlInvariants.PUBLIC_ROLE_NAME.equals(authorisation)) {
throw Error.error(ErrorCode.X_28502, authorisation);
}
Grantee owner = authorisation == null ? session.getGrantee()
: database.getGranteeManager()
.get(authorisation);
if (owner == null) {
throw Error.error(ErrorCode.X_28501, authorisation);
}
if (!session.getGrantee().isSchemaCreator()) {
throw Error.error(ErrorCode.X_0L000,
session.getGrantee().getNameString());
}
if (database.schemaManager.schemaExists(schemaName.name)) {
throw Error.error(ErrorCode.X_42504, schemaName.name);
}
String sql = getLastPart();
Object[] args = new Object[] {
schemaName, owner
};
HsqlArrayList list = new HsqlArrayList();
StatementSchema cs = new StatementSchema(sql,
StatementTypes.CREATE_SCHEMA, args, null, null);
cs.setSchemaHsqlName(schemaName);
list.add(cs);
getCompiledStatementBody(list);
StatementSchema[] array = new StatementSchema[list.size()];
list.toArray(array);
boolean swapped;
do {
swapped = false;
for (int i = 0; i < array.length - 1; i++) {
if (array[i].order > array[i + 1].order) {
StatementSchema temp = array[i + 1];
array[i + 1] = array[i];
array[i] = temp;
swapped = true;
}
}
} while (swapped);
return new StatementSchemaDefinition(array);
}
void getCompiledStatementBody(HsqlList list) {
int position;
String sql;
int statementType;
for (boolean end = false; !end; ) {
StatementSchema cs = null;
position = getPosition();
switch (token.tokenType) {
case Tokens.CREATE :
read();
switch (token.tokenType) {
// not in schema definition
case Tokens.SCHEMA :
case Tokens.USER :
case Tokens.UNIQUE :
throw unexpectedToken();
case Tokens.INDEX :
statementType = StatementTypes.CREATE_INDEX;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.SEQUENCE :
cs = compileCreateSequence();
cs.sql = getLastPart(position);
break;
case Tokens.ROLE :
cs = compileCreateRole();
cs.sql = getLastPart(position);
break;
case Tokens.DOMAIN :
statementType = StatementTypes.CREATE_DOMAIN;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.TYPE :
cs = compileCreateType();
cs.sql = getLastPart(position);
break;
case Tokens.CHARACTER :
cs = compileCreateCharacterSet();
cs.sql = getLastPart(position);
break;
// no supported
case Tokens.ASSERTION :
throw unexpectedToken();
case Tokens.TABLE :
case Tokens.MEMORY :
case Tokens.CACHED :
case Tokens.TEMP :
case Tokens.GLOBAL :
case Tokens.TEMPORARY :
case Tokens.TEXT :
statementType = StatementTypes.CREATE_TABLE;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.TRIGGER :
statementType = StatementTypes.CREATE_TRIGGER;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.VIEW :
statementType = StatementTypes.CREATE_VIEW;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.FUNCTION :
statementType = StatementTypes.CREATE_ROUTINE;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
case Tokens.PROCEDURE :
statementType = StatementTypes.CREATE_ROUTINE;
sql = getStatement(position,
endStatementTokensSchema);
cs = new StatementSchema(sql, statementType, null,
null, null);
break;
default :
throw unexpectedToken();
}
break;
case Tokens.GRANT :
cs = compileGrantOrRevoke();
cs.sql = getLastPart(position);
break;
case Tokens.SEMICOLON :
read();
end = true;
break;
case Tokens.X_ENDPARSE :
end = true;
break;
default :
throw unexpectedToken();
}
if (cs != null) {
cs.isSchemaDefinition = true;
list.add(cs);
}
}
}
StatementSchema compileCreateRole() {
read();
HsqlName name = readNewUserIdentifier();
String sql = getLastPart();
Object[] args = new Object[]{ name };
return new StatementSchema(sql, StatementTypes.CREATE_ROLE, args,
null, null);
}
StatementSchema compileCreateUser() {
HsqlName name;
String password;
boolean admin = false;
Grantee grantor = session.getGrantee();
read();
name = readNewUserIdentifier();
readThis(Tokens.PASSWORD);
password = readPassword();
if (token.tokenType == Tokens.ADMIN) {
read();
admin = true;
}
checkDatabaseUpdateAuthorisation();
String sql = getLastPart();
Object[] args = new Object[] {
name, password, grantor, Boolean.valueOf(admin)
};
return new StatementSchema(sql, StatementTypes.CREATE_USER, args,
null, null);
}
HsqlName readNewUserIdentifier() {
checkIsSimpleName();
String tokenS = token.tokenString;
boolean isQuoted = isDelimitedIdentifier();
if (tokenS.equalsIgnoreCase("SA")) {
tokenS = "SA";
isQuoted = false;
}
HsqlName name = database.nameManager.newHsqlName(tokenS, isQuoted,
SchemaObject.GRANTEE);
read();
return name;
}
String readPassword() {
String tokenS = token.tokenString;
read();
return tokenS;
}
Statement compileRenameObject(HsqlName name, int objectType) {
HsqlName newName = readNewSchemaObjectName(objectType);
String sql = getLastPart();
Object[] args = new Object[] {
name, newName
};
return new StatementSchema(sql, StatementTypes.RENAME_OBJECT, args,
null, null);
}
/**
* Responsible for handling tail of ALTER TABLE ... RENAME ...
* @param table table
*/
void processAlterTableRename(Table table) {
HsqlName name = readNewSchemaObjectName(SchemaObject.TABLE);
name.setSchemaIfNull(table.getSchemaName());
if (table.getSchemaName() != name.schema) {
throw Error.error(ErrorCode.X_42505);
}
database.schemaManager.renameSchemaObject(table.getName(), name);
}
void processAlterTableAddUniqueConstraint(Table table, HsqlName name) {
if (name == null) {
name = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
int[] cols = this.readColumnList(table, false);
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.addUniqueConstraint(cols, name);
}
Statement compileAlterTableAddUniqueConstraint(Table table,
HsqlName name) {
if (name == null) {
name = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
int[] cols = this.readColumnList(table, false);
String sql = getLastPart();
Object[] args = new Object[] {
cols, name
};
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, args,
null, table.getName());
}
void processAlterTableAddForeignKeyConstraint(Table table, HsqlName name) {
if (name == null) {
name = database.nameManager.newAutoName("FK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
OrderedHashSet set = readColumnNames(false);
Constraint c = readFKReferences(table, name, set);
HsqlName mainTableName = c.getMainTableName();
c.core.mainTable = database.schemaManager.getTable(session,
mainTableName.name, mainTableName.schema.name);
c.setColumnsIndexes(table);
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.addForeignKey(c);
}
Statement compileAlterTableAddForeignKeyConstraint(Table table,
HsqlName name) {
if (name == null) {
name = database.nameManager.newAutoName("FK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
OrderedHashSet set = readColumnNames(false);
Constraint c = readFKReferences(table, name, set);
HsqlName mainTableName = c.getMainTableName();
c.core.mainTable = database.schemaManager.getTable(session,
mainTableName.name, mainTableName.schema.name);
c.setColumnsIndexes(table);
String sql = getLastPart();
Object[] args = new Object[]{ c };
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, args,
c.core.mainTableName, table.getName());
}
void processAlterTableAddCheckConstraint(Table table, HsqlName name) {
Constraint check;
if (name == null) {
name = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
check = new Constraint(name, null, Constraint.CHECK);
readCheckConstraintCondition(check);
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.addCheckConstraint(check);
}
Statement compileAlterTableAddCheckConstraint(Table table, HsqlName name) {
Constraint check;
if (name == null) {
name = database.nameManager.newAutoName("CT",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
check = new Constraint(name, null, Constraint.CHECK);
readCheckConstraintCondition(check);
String sql = getLastPart();
Object[] args = new Object[]{ check };
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, args,
null, table.getName());
}
void processAlterTableAddColumn(Table table) {
int colIndex = table.getColumnCount();
HsqlArrayList list = new HsqlArrayList();
Constraint constraint = new Constraint(null, null, Constraint.TEMP);
list.add(constraint);
checkIsSchemaObjectName();
HsqlName hsqlName =
database.nameManager.newColumnHsqlName(table.getName(),
token.tokenString, isDelimitedIdentifier());
read();
ColumnSchema column = readColumnDefinitionOrNull(table, hsqlName,
list);
if (column == null) {
throw Error.error(ErrorCode.X_42000);
}
if (token.tokenType == Tokens.BEFORE) {
read();
colIndex = table.getColumnIndex(token.tokenString);
read();
}
TableWorks tableWorks = new TableWorks(session, table);
session.commit(false);
tableWorks.addColumn(column, colIndex, list);
return;
}
Statement compileAlterTableAddColumn(Table table) {
int colIndex = table.getColumnCount();
HsqlArrayList list = new HsqlArrayList();
Constraint constraint = new Constraint(null, null, Constraint.TEMP);
list.add(constraint);
checkIsSchemaObjectName();
HsqlName hsqlName =
database.nameManager.newColumnHsqlName(table.getName(),
token.tokenString, isDelimitedIdentifier());
read();
ColumnSchema column = readColumnDefinitionOrNull(table, hsqlName,
list);
if (column == null) {
throw Error.error(ErrorCode.X_42000);
}
if (token.tokenType == Tokens.BEFORE) {
read();
colIndex = table.getColumnIndex(token.tokenString);
read();
}
String sql = getLastPart();
Object[] args = new Object[] {
column, new Integer(colIndex), list
};
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, args,
null, table.getName());
}
void processAlterTableAddPrimaryKey(Table table, HsqlName name) {
if (name == null) {
name = session.database.nameManager.newAutoName("PK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
int[] cols = readColumnList(table, false);
Constraint constraint = new Constraint(name, null,
Constraint.PRIMARY_KEY);
constraint.core.mainCols = cols;
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.addPrimaryKey(constraint, name);
}
Statement compileAlterTableAddPrimaryKey(Table table, HsqlName name) {
if (name == null) {
name = session.database.nameManager.newAutoName("PK",
table.getSchemaName(), table.getName(),
SchemaObject.CONSTRAINT);
}
int[] cols = readColumnList(table, false);
Constraint constraint = new Constraint(name, null,
Constraint.PRIMARY_KEY);
constraint.core.mainCols = cols;
String sql = getLastPart();
Object[] args = new Object[]{ constraint };
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, args,
null, table.getName());
}
/**
* Responsible for handling tail of ALTER TABLE ... DROP COLUMN ...
*/
void processAlterTableDropColumn(Table table, String colName,
boolean cascade) {
int colindex = table.getColumnIndex(colName);
if (table.getColumnCount() == 1) {
throw Error.error(ErrorCode.X_42591);
}
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.dropColumn(colindex, cascade);
}
Statement compileAlterTableDropColumn(Table table, String colName,
boolean cascade) {
HsqlName writeName = null;
int colindex = table.getColumnIndex(colName);
if (table.getColumnCount() == 1) {
throw Error.error(ErrorCode.X_42591);
}
Object[] args = new Object[] {
table.getColumn(colindex).getName(),
Integer.valueOf(SchemaObject.CONSTRAINT), Boolean.valueOf(cascade),
Boolean.valueOf(false)
};
if (!table.isTemp()) {
writeName = table.getName();
}
return new StatementSchema(null, StatementTypes.DROP_COLUMN, args,
null, writeName);
}
/**
* Responsible for handling tail of ALTER TABLE ... DROP CONSTRAINT ...
*/
void processAlterTableDropConstraint(Table table, String name,
boolean cascade) {
session.commit(false);
TableWorks tableWorks = new TableWorks(session, table);
tableWorks.dropConstraint(name, cascade);
return;
}
void processAlterColumn(Table table, ColumnSchema column,
int columnIndex) {
int position = getPosition();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
processAlterColumnRename(table, column);
return;
}
case Tokens.DROP : {
read();
if (token.tokenType == Tokens.DEFAULT) {
read();
TableWorks tw = new TableWorks(session, table);
tw.setColDefaultExpression(columnIndex, null);
return;
} else if (token.tokenType == Tokens.GENERATED) {
read();
column.setIdentity(null);
table.setColumnTypeVars(columnIndex);
return;
} else {
throw unexpectedToken();
}
}
case Tokens.SET : {
read();
switch (token.tokenType) {
case Tokens.DATA : {
read();
readThis(Tokens.TYPE);
processAlterColumnDataType(table, column);
return;
}
case Tokens.DEFAULT : {
read();
//ALTER TABLE .. ALTER COLUMN .. SET DEFAULT
TableWorks tw = new TableWorks(session, table);
Type type = column.getDataType();
Expression expr = this.readDefaultClause(type);
tw.setColDefaultExpression(columnIndex, expr);
return;
}
case Tokens.NOT : {
//ALTER TABLE .. ALTER COLUMN .. SET NOT NULL
read();
readThis(Tokens.NULL);
session.commit(false);
TableWorks tw = new TableWorks(session, table);
tw.setColNullability(column, false);
return;
}
case Tokens.NULL : {
read();
//ALTER TABLE .. ALTER COLUMN .. SET NULL
session.commit(false);
TableWorks tw = new TableWorks(session, table);
tw.setColNullability(column, true);
return;
}
default :
rewind(position);
read();
break;
}
}
default :
}
if (token.tokenType == Tokens.SET
|| token.tokenType == Tokens.RESTART) {
if (!column.isIdentity()) {
throw Error.error(ErrorCode.X_42535);
}
processAlterColumnSequenceOptions(column);
return;
} else {
processAlterColumnType(table, column, true);
return;
}
}
Statement compileAlterColumn(Table table, ColumnSchema column,
int columnIndex) {
int position = getPosition();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
return compileAlterColumnRename(table, column);
}
case Tokens.DROP : {
read();
if (token.tokenType == Tokens.DEFAULT) {
read();
return compileAlterColumnDropDefault(table, column,
columnIndex);
} else if (token.tokenType == Tokens.GENERATED) {
read();
return compileAlterColumnDropGenerated(table, column,
columnIndex);
} else {
throw unexpectedToken();
}
}
case Tokens.SET : {
read();
switch (token.tokenType) {
case Tokens.DATA : {
read();
readThis(Tokens.TYPE);
return compileAlterColumnDataType(table, column);
}
case Tokens.DEFAULT : {
read();
//ALTER TABLE .. ALTER COLUMN .. SET DEFAULT
Type type = column.getDataType();
Expression expr = this.readDefaultClause(type);
return compileAlterColumnSetDefault(table, column,
expr);
}
case Tokens.NOT : {
//ALTER TABLE .. ALTER COLUMN .. SET NOT NULL
read();
readThis(Tokens.NULL);
return compileAlterColumnSetNullability(table, column,
false);
}
case Tokens.NULL : {
read();
return compileAlterColumnSetNullability(table, column,
true);
}
default :
rewind(position);
read();
break;
}
}
// fall through
default :
}
if (token.tokenType == Tokens.SET
|| token.tokenType == Tokens.RESTART) {
if (!column.isIdentity()) {
throw Error.error(ErrorCode.X_42535);
}
return compileAlterColumnSequenceOptions(column);
} else {
return compileAlterColumnType(table, column);
}
}
private Statement compileAlterColumnDataType(Table table,
ColumnSchema column) {
HsqlName writeName = null;
Type typeObject = readTypeDefinition(false);
String sql = getLastPart();
Object[] args = new Object[] {
table, column, typeObject
};
if (!table.isTemp()) {
writeName = table.getName();
}
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, null,
null, writeName);
}
private Statement compileAlterColumnType(Table table,
ColumnSchema column) {
HsqlName writeName = null;
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
if (!table.isTemp()) {
writeName = table.getName();
}
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, null,
writeName);
}
private Statement compileAlterColumnSequenceOptions(ColumnSchema column) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_TABLE, null,
null);
}
private Statement compileAlterColumnSetNullability(Table table,
ColumnSchema column, boolean b) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_TABLE,
table.getName(), null);
}
private Statement compileAlterColumnSetDefault(Table table,
ColumnSchema column, Expression expr) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_TABLE,
table.getName(), null);
}
private Statement compileAlterColumnDropGenerated(Table table,
ColumnSchema column, int columnIndex) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_TABLE,
table.getName(), null);
}
private Statement compileAlterColumnDropDefault(Table table,
ColumnSchema column, int columnIndex) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_TABLE,
table.getName(), null);
}
Statement compileAlterSequence() {
HsqlName schema = session.getSchemaHsqlName(token.namePrefix);
NumberSequence sequence =
database.schemaManager.getSequence(token.tokenString, schema.name,
true);
read();
if (token.tokenType == Tokens.RENAME) {
read();
readThis(Tokens.TO);
return compileRenameObject(sequence.getName(),
SchemaObject.SEQUENCE);
}
NumberSequence copy = sequence.duplicate();
readSequenceOptions(copy, false, true);
String sql = getLastPart();
Object[] args = new Object[] {
sequence, copy
};
return new StatementSchema(sql, StatementTypes.ALTER_SEQUENCE, args,
null, null);
}
void processAlterColumnSequenceOptions(ColumnSchema column) {
OrderedIntHashSet set = new OrderedIntHashSet();
NumberSequence sequence = column.getIdentitySequence().duplicate();
while (true) {
boolean end = false;
switch (token.tokenType) {
case Tokens.RESTART : {
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
readThis(Tokens.WITH);
long value = readBigint();
sequence.setStartValue(value);
break;
}
case Tokens.SET :
read();
switch (token.tokenType) {
case Tokens.INCREMENT : {
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
readThis(Tokens.BY);
long value = readBigint();
sequence.setIncrement(value);
break;
}
case Tokens.NO :
read();
if (token.tokenType == Tokens.MAXVALUE) {
sequence.setDefaultMaxValue();
} else if (token.tokenType == Tokens.MINVALUE) {
sequence.setDefaultMinValue();
} else if (token.tokenType == Tokens.CYCLE) {
sequence.setCycle(false);
} else {
throw unexpectedToken();
}
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
break;
case Tokens.MAXVALUE : {
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
long value = readBigint();
sequence.setMaxValueNoCheck(value);
break;
}
case Tokens.MINVALUE : {
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
long value = readBigint();
sequence.setMinValueNoCheck(value);
break;
}
case Tokens.CYCLE :
if (!set.add(token.tokenType)) {
throw unexpectedToken();
}
read();
sequence.setCycle(true);
break;
default :
throw Error.error(ErrorCode.X_42581,
token.tokenString);
}
break;
default :
end = true;
break;
}
if (end) {
break;
}
}
sequence.checkValues();
column.getIdentitySequence().reset(sequence);
}
/**
* Should allow only limited changes to column type
*/
private void processAlterColumnDataType(Table table, ColumnSchema oldCol) {
processAlterColumnType(table, oldCol, false);
}
/**
* Allows changes to type of column or addition of an IDENTITY generator.
* IDENTITY is not removed if it does not appear in new column definition
* Constraint definitions are not allowed
*/
private void processAlterColumnType(Table table, ColumnSchema oldCol,
boolean fullDefinition) {
ColumnSchema newCol;
if (oldCol.isGenerated()) {
throw Error.error(ErrorCode.X_42561);
}
if (fullDefinition) {
HsqlArrayList list = new HsqlArrayList();
Constraint c = table.getPrimaryConstraint();
if (c == null) {
c = new Constraint(null, null, Constraint.TEMP);
}
list.add(c);
newCol = readColumnDefinitionOrNull(table, oldCol.getName(), list);
if (newCol == null) {
throw Error.error(ErrorCode.X_42000);
}
if (oldCol.isIdentity() && newCol.isIdentity()) {
throw Error.error(ErrorCode.X_42525);
}
if (list.size() > 1) {
throw Error.error(ErrorCode.X_42524);
}
} else {
Type type = readTypeDefinition(true);
if (oldCol.isIdentity()) {
if (!type.isIntegralType()) {
throw Error.error(ErrorCode.X_42561);
}
}
newCol = oldCol.duplicate();
newCol.setType(type);
}
TableWorks tw = new TableWorks(session, table);
tw.retypeColumn(oldCol, newCol);
}
/**
* Responsible for handling tail of ALTER COLUMN ... RENAME ...
*/
private void processAlterColumnRename(Table table, ColumnSchema column) {
checkIsSimpleName();
if (table.findColumn(token.tokenString) > -1) {
throw Error.error(ErrorCode.X_42504, token.tokenString);
}
database.schemaManager.checkColumnIsReferenced(table.getName(),
column.getName());
session.commit(false);
table.renameColumn(column, token.tokenString, isDelimitedIdentifier());
read();
}
private Statement compileAlterColumnRename(Table table,
ColumnSchema column) {
checkIsSimpleName();
HsqlName name = readNewSchemaObjectNameNoCheck(SchemaObject.COLUMN);
if (table.findColumn(name.name) > -1) {
throw Error.error(ErrorCode.X_42504, name.name);
}
database.schemaManager.checkColumnIsReferenced(table.getName(),
column.getName());
String sql = getLastPart();
Object[] args = new Object[] {
column.getName(), name
};
return new StatementSchema(sql, StatementTypes.RENAME_OBJECT, args,
null, null);
}
Statement compileAlterSchemaRename() {
HsqlName name = readSchemaName();
checkSchemaUpdateAuthorisation(name);
readThis(Tokens.RENAME);
readThis(Tokens.TO);
HsqlName newName = readNewSchemaName();
String sql = getLastPart();
Object[] args = new Object[] {
name, newName
};
return new StatementSchema(sql, StatementTypes.RENAME_OBJECT, args,
null, null);
}
Statement compileAlterUser() {
String password;
User userObject;
HsqlName userName = readNewUserIdentifier();
userObject = database.getUserManager().get(userName.name);
if (userName.name.equals(Tokens.T_PUBLIC)) {
throw Error.error(ErrorCode.X_42503);
}
readThis(Tokens.SET);
if (token.tokenType == Tokens.PASSWORD) {
read();
password = readPassword();
Object[] args = new Object[] {
userObject, password
};
return new StatementCommand(StatementTypes.SET_USER_PASSWORD,
args, null, null);
} else if (token.tokenType == Tokens.INITIAL) {
read();
readThis(Tokens.SCHEMA);
HsqlName schemaName;
if (token.tokenType == Tokens.DEFAULT) {
schemaName = null;
} else {
schemaName = database.schemaManager.getSchemaHsqlName(
token.tokenString);
}
read();
Object[] args = new Object[] {
userObject, schemaName
};
return new StatementCommand(StatementTypes.SET_USER_INITIAL_SCHEMA,
args, null, null);
} else {
throw unexpectedToken();
}
}
void processAlterDomain() {
HsqlName schema = session.getSchemaHsqlName(token.namePrefix);
checkSchemaUpdateAuthorisation(schema);
Type domain = database.schemaManager.getDomain(token.tokenString,
schema.name, true);
read();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
HsqlName newName =
readNewSchemaObjectName(SchemaObject.DOMAIN);
newName.setSchemaIfNull(schema);
if (domain.getSchemaName() != newName.schema) {
throw Error.error(ErrorCode.X_42505, newName.schema.name);
}
checkSchemaUpdateAuthorisation(schema);
database.schemaManager.renameSchemaObject(domain.getName(),
newName);
return;
}
case Tokens.DROP : {
read();
if (token.tokenType == Tokens.DEFAULT) {
read();
domain.userTypeModifier.removeDefaultClause();
return;
} else if (token.tokenType == Tokens.CONSTRAINT) {
read();
checkIsSchemaObjectName();
HsqlName name = database.schemaManager.getSchemaObjectName(
domain.getSchemaName(), token.tokenString,
SchemaObject.CONSTRAINT, true);
read();
// domain.removeConstraint(tokenString);
database.schemaManager.removeSchemaObject(name);
return;
} else {
throw unexpectedToken();
}
}
case Tokens.SET : {
read();
readThis(Tokens.DEFAULT);
Expression e = readDefaultClause(domain);
domain.userTypeModifier.setDefaultClause(e);
return;
}
case Tokens.ADD : {
read();
if (token.tokenType == Tokens.CONSTRAINT
|| token.tokenType == Tokens.CHECK) {
HsqlArrayList tempConstraints = new HsqlArrayList();
readConstraint(domain, tempConstraints);
Constraint c = (Constraint) tempConstraints.get(0);
domain.userTypeModifier.addConstraint(c);
database.schemaManager.addSchemaObject(c);
return;
}
}
}
throw unexpectedToken();
}
Statement compileAlterDomain() {
HsqlName schema = session.getSchemaHsqlName(token.namePrefix);
Type domain = database.schemaManager.getDomain(token.tokenString,
schema.name, true);
read();
switch (token.tokenType) {
case Tokens.RENAME : {
read();
readThis(Tokens.TO);
return compileRenameObject(domain.getName(),
SchemaObject.DOMAIN);
}
case Tokens.DROP : {
read();
if (token.tokenType == Tokens.DEFAULT) {
read();
return compileAlterDomainDropDefault(domain);
} else if (token.tokenType == Tokens.CONSTRAINT) {
read();
checkIsSchemaObjectName();
HsqlName name = database.schemaManager.getSchemaObjectName(
domain.getSchemaName(), token.tokenString,
SchemaObject.CONSTRAINT, true);
read();
return compileAlterDomainDropConstraint(domain, name);
} else {
throw unexpectedToken();
}
}
case Tokens.SET : {
read();
readThis(Tokens.DEFAULT);
Expression e = readDefaultClause(domain);
return compileAlterDomainSetDefault(domain, e);
}
case Tokens.ADD : {
read();
if (token.tokenType == Tokens.CONSTRAINT
|| token.tokenType == Tokens.CHECK) {
HsqlArrayList tempConstraints = new HsqlArrayList();
readConstraint(domain, tempConstraints);
Constraint c = (Constraint) tempConstraints.get(0);
return compileAlterDomainAddConstraint(domain, c);
}
}
}
throw unexpectedToken();
}
private Statement compileAlterDomainAddConstraint(Type domain,
Constraint c) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_DOMAIN, null,
null);
}
private Statement compileAlterDomainSetDefault(Type domain, Expression e) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_DOMAIN, null,
null);
}
private Statement compileAlterDomainDropConstraint(Type domain,
HsqlName name) {
String sql = super.getStatement(getParsePosition(),
endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_DOMAIN, null,
null);
}
private Statement compileAlterDomainDropDefault(Type domain) {
String sql = getStatement(getParsePosition(), endStatementTokens);
return new StatementSchema(sql, StatementTypes.ALTER_DOMAIN, null,
null);
}
private boolean isGrantToken() {
switch (token.tokenType) {
case Tokens.ALL :
case Tokens.INSERT :
case Tokens.UPDATE :
case Tokens.SELECT :
case Tokens.DELETE :
case Tokens.USAGE :
case Tokens.EXECUTE :
case Tokens.REFERENCES :
return true;
default :
return false;
}
}
StatementSchema compileGrantOrRevoke() {
boolean grant = token.tokenType == Tokens.GRANT;
read();
if (isGrantToken()
|| (!grant
&& (token.tokenType == Tokens.GRANT
|| token.tokenType == Tokens.HIERARCHY))) {
return compileRightGrantOrRevoke(grant);
} else {
return compileRoleGrantOrRevoke(grant);
}
}
private StatementSchema compileRightGrantOrRevoke(boolean grant) {
OrderedHashSet granteeList = new OrderedHashSet();
Grantee grantor = null;
Right right = null;
// SchemaObject schemaObject;
HsqlName objectName = null;
boolean isTable = false;
boolean isUsage = false;
boolean isExec = false;
boolean isAll = false;
boolean isGrantOption = false;
boolean cascade = false;
if (!grant) {
if (token.tokenType == Tokens.GRANT) {
read();
readThis(Tokens.OPTION);
readThis(Tokens.FOR);
isGrantOption = true;
// throw not suppoerted
} else if (token.tokenType == Tokens.HIERARCHY) {
throw unsupportedFeature();
/*
read();
readThis(Token.OPTION);
readThis(Token.FOR);
*/
}
}
// ALL means all the rights the grantor can grant
if (token.tokenType == Tokens.ALL) {
read();
if (token.tokenType == Tokens.PRIVILEGES) {
read();
}
right = Right.fullRights;
isAll = true;
} else {
right = new Right();
boolean loop = true;
while (loop) {
checkIsNotQuoted();
int rightType =
GranteeManager.getCheckSingleRight(token.tokenString);
int grantType = token.tokenType;
OrderedHashSet columnSet = null;
read();
switch (grantType) {
case Tokens.REFERENCES :
case Tokens.SELECT :
case Tokens.INSERT :
case Tokens.UPDATE :
if (token.tokenType == Tokens.OPENBRACKET) {
columnSet = readColumnNames(false);
}
// fall through
case Tokens.DELETE :
case Tokens.TRIGGER :
if (right == null) {
right = new Right();
}
right.set(rightType, columnSet);
isTable = true;
break;
case Tokens.USAGE :
if (isTable) {
throw unexpectedToken();
}
right = Right.fullRights;
isUsage = true;
loop = false;
continue;
case Tokens.EXECUTE :
if (isTable) {
throw unexpectedToken();
}
right = Right.fullRights;
isExec = true;
loop = false;
continue;
}
if (token.tokenType == Tokens.COMMA) {
read();
continue;
}
break;
}
}
readThis(Tokens.ON);
if (token.tokenString.equals(Tokens.T_CLASS)) {
if (!isExec && !isAll) {
throw unexpectedToken();
}
read();
if (!isSimpleName() || !isDelimitedIdentifier()) {
throw Error.error(ErrorCode.X_42569);
}
objectName = readNewSchemaObjectNameNoCheck(SchemaObject.FUNCTION);
} else if (token.tokenType == Tokens.TYPE
|| token.tokenType == Tokens.DOMAIN
|| token.tokenType == Tokens.SEQUENCE
|| token.tokenType == Tokens.CHARACTER) {
if (!isUsage && !isAll) {
throw unexpectedToken();
}
int type = 0;
switch (token.tokenType) {
case Tokens.TYPE :
read();
type = SchemaObject.TYPE;
break;
case Tokens.DOMAIN :
read();
type = SchemaObject.DOMAIN;
break;
case Tokens.SEQUENCE :
read();
type = SchemaObject.SEQUENCE;
break;
case Tokens.CHARACTER :
read();
readThis(Tokens.SET);
type = SchemaObject.CHARSET;
break;
}
objectName = readNewSchemaObjectNameNoCheck(type);
} else {
if (!isTable && !isAll) {
throw unexpectedToken();
}
readIfThis(Tokens.TABLE);
objectName = readNewSchemaObjectNameNoCheck(SchemaObject.TABLE);
}
if (grant) {
readThis(Tokens.TO);
} else {
readThis(Tokens.FROM);
}
while (true) {
checkIsSimpleName();
granteeList.add(token.tokenString);
read();
if (token.tokenType == Tokens.COMMA) {
read();
} else {
break;
}
}
if (grant) {
if (token.tokenType == Tokens.WITH) {
read();
readThis(Tokens.GRANT);
readThis(Tokens.OPTION);
isGrantOption = true;
}
/** @todo - implement */
if (token.tokenType == Tokens.GRANTED) {
read();
readThis(Tokens.BY);
if (token.tokenType == Tokens.CURRENT_USER) {
read();
//
} else {
readThis(Tokens.CURRENT_ROLE);
}
}
} else {
if (token.tokenType == Tokens.CASCADE) {
cascade = true;
read();
} else {
readThis(Tokens.RESTRICT);
}
}
int type = grant ? StatementTypes.GRANT
: StatementTypes.REVOKE;
Object[] args = new Object[] {
granteeList, objectName, right, grantor, Boolean.valueOf(cascade),
Boolean.valueOf(isGrantOption)
};
String sql = getLastPart();
StatementSchema cs = new StatementSchema(sql, type, args, null, null);
return cs;
}
private StatementSchema compileRoleGrantOrRevoke(boolean grant) {
Grantee grantor = session.getGrantee();
OrderedHashSet roleList = new OrderedHashSet();
OrderedHashSet granteeList = new OrderedHashSet();
boolean cascade = false;
if (!grant && token.tokenType == Tokens.ADMIN) {
throw unsupportedFeature();
/*
read();
readThis(Token.OPTION);
readThis(Token.FOR);
*/
}
while (true) {
checkIsSimpleName();
roleList.add(token.tokenString);
read();
if (token.tokenType == Tokens.COMMA) {
read();
continue;
}
break;
}
if (grant) {
readThis(Tokens.TO);
} else {
readThis(Tokens.FROM);
}
while (true) {
checkIsSimpleName();
granteeList.add(token.tokenString);
read();
if (token.tokenType == Tokens.COMMA) {
read();
} else {
break;
}
}
if (grant) {
if (token.tokenType == Tokens.WITH) {
throw unsupportedFeature();
/*
read();
readThis(Token.ADMIN);
readThis(Token.OPTION);
*/
}
}
if (token.tokenType == Tokens.GRANTED) {
read();
readThis(Tokens.BY);
if (token.tokenType == Tokens.CURRENT_USER) {
read();
} else {
readThis(Tokens.CURRENT_ROLE);
}
}
if (!grant) {
if (token.tokenType == Tokens.CASCADE) {
cascade = true;
read();
} else {
readThis(Tokens.RESTRICT);
}
}
int type = grant ? StatementTypes.GRANT_ROLE
: StatementTypes.REVOKE_ROLE;
Object[] args = new Object[] {
granteeList, roleList, grantor, Boolean.valueOf(cascade)
};
String sql = getLastPart();
StatementSchema cs = new StatementSchema(sql, type, args, null, null);
return cs;
}
void checkSchemaUpdateAuthorisation(HsqlName schema) {
if (session.isProcessingLog) {
return;
}
SqlInvariants.checkSchemaNameNotSystem(schema.name);
if (isSchemaDefinition) {
if (schema != session.getCurrentSchemaHsqlName()) {
throw Error.error(ErrorCode.X_42505);
}
} else {
session.getGrantee().checkSchemaUpdateOrGrantRights(schema.name);
}
session.checkDDLWrite();
}
void checkDatabaseUpdateAuthorisation() {
session.checkAdmin();
session.checkDDLWrite();
}
}