/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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*/
package org.jooq.impl;
import static java.util.Arrays.asList;
import static org.jooq.Clause.CREATE_TABLE;
import static org.jooq.Clause.CREATE_TABLE_AS;
import static org.jooq.Clause.CREATE_TABLE_COLUMNS;
import static org.jooq.Clause.CREATE_TABLE_CONSTRAINTS;
import static org.jooq.Clause.CREATE_TABLE_NAME;
// ...
// ...
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
// ...
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MARIADB;
import static org.jooq.SQLDialect.MYSQL;
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
// ...
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.insertInto;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.Keywords.K_AS;
import static org.jooq.impl.Keywords.K_AUTO_INCREMENT;
import static org.jooq.impl.Keywords.K_BEGIN;
import static org.jooq.impl.Keywords.K_CREATE;
import static org.jooq.impl.Keywords.K_DEFAULT;
import static org.jooq.impl.Keywords.K_END;
import static org.jooq.impl.Keywords.K_EXECUTE_IMMEDIATE;
import static org.jooq.impl.Keywords.K_GENERATED_BY_DEFAULT_AS_IDENTITY;
import static org.jooq.impl.Keywords.K_GLOBAL_TEMPORARY;
import static org.jooq.impl.Keywords.K_IDENTITY;
import static org.jooq.impl.Keywords.K_IF_NOT_EXISTS;
import static org.jooq.impl.Keywords.K_NOT_NULL;
import static org.jooq.impl.Keywords.K_NULL;
import static org.jooq.impl.Keywords.K_ON_COMMIT_DELETE_ROWS;
import static org.jooq.impl.Keywords.K_ON_COMMIT_DROP;
import static org.jooq.impl.Keywords.K_ON_COMMIT_PRESERVE_ROWS;
import static org.jooq.impl.Keywords.K_TABLE;
import static org.jooq.impl.Keywords.K_TEMPORARY;
import static org.jooq.impl.Keywords.K_WITH_DATA;
import static org.jooq.impl.Keywords.K_WITH_NO_DATA;
import static org.jooq.impl.Tools.DataKey.DATA_SELECT_INTO_TABLE;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import org.jooq.Clause;
import org.jooq.Configuration;
import org.jooq.Constraint;
import org.jooq.Context;
import org.jooq.CreateTableAsStep;
import org.jooq.CreateTableColumnStep;
import org.jooq.CreateTableConstraintStep;
import org.jooq.CreateTableFinalStep;
import org.jooq.CreateTableOnCommitStep;
import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.Name;
import org.jooq.Record;
import org.jooq.Select;
import org.jooq.Table;
/**
* @author Lukas Eder
*/
final class CreateTableImpl<R extends Record> extends AbstractQuery implements
// Cascading interface implementations for CREATE TABLE behaviour
CreateTableAsStep<R>,
CreateTableColumnStep {
/**
* Generated UID
*/
private static final long serialVersionUID = 8904572826501186329L;
private final Table<?> table;
private Select<?> select;
private final List<Field<?>> columnFields;
private final List<DataType<?>> columnTypes;
private final List<Constraint> constraints;
private final boolean temporary;
private final boolean ifNotExists;
private OnCommit onCommit;
CreateTableImpl(Configuration configuration, Table<?> table, boolean temporary, boolean ifNotExists) {
super(configuration);
this.table = table;
this.temporary = temporary;
this.ifNotExists = ifNotExists;
this.columnFields = new ArrayList<Field<?>>();
this.columnTypes = new ArrayList<DataType<?>>();
this.constraints = new ArrayList<Constraint>();
}
// ------------------------------------------------------------------------
// XXX: DSL API
// ------------------------------------------------------------------------
@Override
public final CreateTableOnCommitStep as(Select<? extends R> s) {
this.select = s;
return this;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public final CreateTableColumnStep column(Field<?> field) {
return column((Field) field, field.getDataType());
}
@Override
public final CreateTableColumnStep columns(Field<?>... fields) {
return columns(Arrays.asList(fields));
}
@Override
public final CreateTableColumnStep columns(Collection<? extends Field<?>> fields) {
for (Field<?> field : fields)
column(field);
return this;
}
@Override
public final <T> CreateTableColumnStep column(Field<T> field, DataType<T> type) {
columnFields.add(field);
columnTypes.add(type);
return this;
}
@Override
public final CreateTableColumnStep column(Name field, DataType<?> type) {
columnFields.add(field(field, type));
columnTypes.add(type);
return this;
}
@Override
public final CreateTableColumnStep column(String field, DataType<?> type) {
return column(name(field), type);
}
@Override
public final CreateTableConstraintStep constraint(Constraint c) {
return constraints(Arrays.asList(c));
}
@Override
public final CreateTableConstraintStep constraints(Constraint... c) {
return constraints(Arrays.asList(c));
}
@Override
public final CreateTableConstraintStep constraints(Collection<? extends Constraint> c) {
constraints.addAll(c);
return this;
}
@Override
public final CreateTableFinalStep onCommitDeleteRows() {
onCommit = OnCommit.DELETE_ROWS;
return this;
}
@Override
public final CreateTableFinalStep onCommitPreserveRows() {
onCommit = OnCommit.PRESERVE_ROWS;
return this;
}
@Override
public final CreateTableFinalStep onCommitDrop() {
onCommit = OnCommit.DROP;
return this;
}
// ------------------------------------------------------------------------
// XXX: QueryPart API
// ------------------------------------------------------------------------
private final boolean supportsIfNotExists(Context<?> ctx) {
return !asList(DERBY, FIREBIRD).contains(ctx.family());
}
@Override
public final void accept(Context<?> ctx) {
if (ifNotExists && !supportsIfNotExists(ctx)) {
Tools.executeImmediateBegin(ctx, DDLStatementType.CREATE_TABLE);
accept0(ctx);
Tools.executeImmediateEnd(ctx, DDLStatementType.CREATE_TABLE);
}
else {
accept0(ctx);
}
}
private final void accept0(Context<?> ctx) {
if (select != null) {
{
acceptCreateTableAsSelect(ctx);
}
}
else {
ctx.start(CREATE_TABLE);
toSQLCreateTableName(ctx);
ctx.sql('(')
.start(CREATE_TABLE_COLUMNS)
.formatIndentStart()
.formatNewLine();
boolean qualify = ctx.qualify();
ctx.qualify(false);
for (int i = 0; i < columnFields.size(); i++) {
DataType<?> type = columnTypes.get(i);
ctx.visit(columnFields.get(i))
.sql(' ');
Tools.toSQLDDLTypeDeclaration(ctx, type);
// [#5356] Some dialects require the DEFAULT clause prior to the
// NULL constraints clause
if (asList(HSQLDB).contains(ctx.family()))
acceptDefault(ctx, type);
if (type.nullable()) {
// [#4321] Not all dialects support explicit NULL type declarations
if (!asList(DERBY, FIREBIRD).contains(ctx.family()))
ctx.sql(' ').visit(K_NULL);
}
else {
ctx.sql(' ').visit(K_NOT_NULL);
}
if (type.identity()) {
// [#5062] H2's (and others') AUTO_INCREMENT flag is syntactically located *after* NULL flags.
switch (ctx.family()) {
case H2:
case MARIADB:
case MYSQL: ctx.sql(' ').visit(K_AUTO_INCREMENT); break;
}
}
if (!asList(HSQLDB).contains(ctx.family()))
acceptDefault(ctx, type);
if (i < columnFields.size() - 1)
ctx.sql(',').formatSeparator();
}
ctx.qualify(qualify);
ctx.end(CREATE_TABLE_COLUMNS)
.start(CREATE_TABLE_CONSTRAINTS);
if (!constraints.isEmpty())
for (Constraint constraint : constraints)
ctx.sql(',')
.formatSeparator()
.visit(constraint);
ctx.end(CREATE_TABLE_CONSTRAINTS)
.formatIndentEnd()
.formatNewLine()
.sql(')');
toSQLOnCommit(ctx);
ctx.end(CREATE_TABLE);
}
}
private void acceptDefault(Context<?> ctx, DataType<?> type) {
if (type.defaulted())
ctx.sql(' ').visit(K_DEFAULT).sql(' ').visit(type.defaultValue());
}
private final void acceptCreateTableAsSelect(Context<?> ctx) {
ctx.start(CREATE_TABLE);
toSQLCreateTableName(ctx);
toSQLOnCommit(ctx);
ctx.formatSeparator()
.visit(K_AS);
if (asList(HSQLDB).contains(ctx.family())) {
ctx.sql(" (")
.formatIndentStart()
.formatNewLine();
}
else {
ctx.formatSeparator();
}
ctx.start(CREATE_TABLE_AS)
.visit(select)
.end(CREATE_TABLE_AS);
if (asList(HSQLDB).contains(ctx.family())) {
ctx.formatIndentEnd()
.formatNewLine()
.sql(')');
if (ctx.family() == HSQLDB)
ctx.sql(' ')
.visit(K_WITH_DATA);
}
ctx.end(CREATE_TABLE);
}
private final void toSQLCreateTableName(Context<?> ctx) {
ctx.start(CREATE_TABLE_NAME)
.visit(K_CREATE)
.sql(' ');
if (temporary)
if (asList(MARIADB, MYSQL, POSTGRES).contains(ctx.family()))
ctx.visit(K_TEMPORARY).sql(' ');
else
ctx.visit(K_GLOBAL_TEMPORARY).sql(' ');
ctx.visit(K_TABLE)
.sql(' ');
if (ifNotExists && supportsIfNotExists(ctx))
ctx.visit(K_IF_NOT_EXISTS)
.sql(' ');
ctx.visit(table)
.end(CREATE_TABLE_NAME);
}
private final void toSQLOnCommit(Context<?> ctx) {
if (temporary && onCommit != null) {
switch (onCommit) {
case DELETE_ROWS: ctx.formatSeparator().visit(K_ON_COMMIT_DELETE_ROWS); break;
case PRESERVE_ROWS: ctx.formatSeparator().visit(K_ON_COMMIT_PRESERVE_ROWS); break;
case DROP: ctx.formatSeparator().visit(K_ON_COMMIT_DROP); break;
}
}
}
private final void acceptSelectInto(Context<?> ctx) {
ctx.data(DATA_SELECT_INTO_TABLE, table);
ctx.visit(select);
ctx.data().remove(DATA_SELECT_INTO_TABLE);
}
@Override
public final Clause[] clauses(Context<?> ctx) {
return null;
}
private enum OnCommit {
DELETE_ROWS,
PRESERVE_ROWS,
DROP;
}
}