/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.command;
import java.util.ArrayList;
import org.h2.expression.ParameterInterface;
import org.h2.result.ResultInterface;
/**
* Represents a SQL statement.
*/
public interface CommandInterface {
/**
* The type for unknown statement.
*/
int UNKNOWN = 0;
// ddl operations
/**
* The type of a ALTER INDEX RENAME statement.
*/
int ALTER_INDEX_RENAME = 1;
/**
* The type of a ALTER SCHEMA RENAME statement.
*/
int ALTER_SCHEMA_RENAME = 2;
/**
* The type of a ALTER TABLE ADD CHECK statement.
*/
int ALTER_TABLE_ADD_CONSTRAINT_CHECK = 3;
/**
* The type of a ALTER TABLE ADD UNIQUE statement.
*/
int ALTER_TABLE_ADD_CONSTRAINT_UNIQUE = 4;
/**
* The type of a ALTER TABLE ADD FOREIGN KEY statement.
*/
int ALTER_TABLE_ADD_CONSTRAINT_REFERENTIAL = 5;
/**
* The type of a ALTER TABLE ADD PRIMARY KEY statement.
*/
int ALTER_TABLE_ADD_CONSTRAINT_PRIMARY_KEY = 6;
/**
* The type of a ALTER TABLE ADD statement.
*/
int ALTER_TABLE_ADD_COLUMN = 7;
/**
* The type of a ALTER TABLE ALTER COLUMN SET NOT NULL statement.
*/
int ALTER_TABLE_ALTER_COLUMN_NOT_NULL = 8;
/**
* The type of a ALTER TABLE ALTER COLUMN SET NULL statement.
*/
int ALTER_TABLE_ALTER_COLUMN_NULL = 9;
/**
* The type of a ALTER TABLE ALTER COLUMN SET DEFAULT statement.
*/
int ALTER_TABLE_ALTER_COLUMN_DEFAULT = 10;
/**
* The type of an ALTER TABLE ALTER COLUMN statement that changes the column
* data type.
*/
int ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE = 11;
/**
* The type of a ALTER TABLE DROP COLUMN statement.
*/
int ALTER_TABLE_DROP_COLUMN = 12;
/**
* The type of a ALTER TABLE ALTER COLUMN SELECTIVITY statement.
*/
int ALTER_TABLE_ALTER_COLUMN_SELECTIVITY = 13;
/**
* The type of a ALTER TABLE DROP CONSTRAINT statement.
*/
int ALTER_TABLE_DROP_CONSTRAINT = 14;
/**
* The type of a ALTER TABLE RENAME statement.
*/
int ALTER_TABLE_RENAME = 15;
/**
* The type of a ALTER TABLE ALTER COLUMN RENAME statement.
*/
int ALTER_TABLE_ALTER_COLUMN_RENAME = 16;
/**
* The type of a ALTER USER ADMIN statement.
*/
int ALTER_USER_ADMIN = 17;
/**
* The type of a ALTER USER RENAME statement.
*/
int ALTER_USER_RENAME = 18;
/**
* The type of a ALTER USER SET PASSWORD statement.
*/
int ALTER_USER_SET_PASSWORD = 19;
/**
* The type of a ALTER VIEW statement.
*/
int ALTER_VIEW = 20;
/**
* The type of a ANALYZE statement.
*/
int ANALYZE = 21;
/**
* The type of a CREATE AGGREGATE statement.
*/
int CREATE_AGGREGATE = 22;
/**
* The type of a CREATE CONSTANT statement.
*/
int CREATE_CONSTANT = 23;
/**
* The type of a CREATE ALIAS statement.
*/
int CREATE_ALIAS = 24;
/**
* The type of a CREATE INDEX statement.
*/
int CREATE_INDEX = 25;
/**
* The type of a CREATE LINKED TABLE statement.
*/
int CREATE_LINKED_TABLE = 26;
/**
* The type of a CREATE ROLE statement.
*/
int CREATE_ROLE = 27;
/**
* The type of a CREATE SCHEMA statement.
*/
int CREATE_SCHEMA = 28;
/**
* The type of a CREATE SEQUENCE statement.
*/
int CREATE_SEQUENCE = 29;
/**
* The type of a CREATE TABLE statement.
*/
int CREATE_TABLE = 30;
/**
* The type of a CREATE TRIGGER statement.
*/
int CREATE_TRIGGER = 31;
/**
* The type of a CREATE USER statement.
*/
int CREATE_USER = 32;
/**
* The type of a CREATE DOMAIN statement.
*/
int CREATE_DOMAIN = 33;
/**
* The type of a CREATE VIEW statement.
*/
int CREATE_VIEW = 34;
/**
* The type of a DEALLOCATE statement.
*/
int DEALLOCATE = 35;
/**
* The type of a DROP AGGREGATE statement.
*/
int DROP_AGGREGATE = 36;
/**
* The type of a DROP CONSTANT statement.
*/
int DROP_CONSTANT = 37;
/**
* The type of a DROP ALL OBJECTS statement.
*/
int DROP_ALL_OBJECTS = 38;
/**
* The type of a DROP ALIAS statement.
*/
int DROP_ALIAS = 39;
/**
* The type of a DROP INDEX statement.
*/
int DROP_INDEX = 40;
/**
* The type of a DROP ROLE statement.
*/
int DROP_ROLE = 41;
/**
* The type of a DROP SCHEMA statement.
*/
int DROP_SCHEMA = 42;
/**
* The type of a DROP SEQUENCE statement.
*/
int DROP_SEQUENCE = 43;
/**
* The type of a DROP TABLE statement.
*/
int DROP_TABLE = 44;
/**
* The type of a DROP TRIGGER statement.
*/
int DROP_TRIGGER = 45;
/**
* The type of a DROP USER statement.
*/
int DROP_USER = 46;
/**
* The type of a DROP DOMAIN statement.
*/
int DROP_DOMAIN = 47;
/**
* The type of a DROP VIEW statement.
*/
int DROP_VIEW = 48;
/**
* The type of a GRANT statement.
*/
int GRANT = 49;
/**
* The type of a REVOKE statement.
*/
int REVOKE = 50;
/**
* The type of a PREPARE statement.
*/
int PREPARE = 51;
/**
* The type of a COMMENT statement.
*/
int COMMENT = 52;
/**
* The type of a TRUNCATE TABLE statement.
*/
int TRUNCATE_TABLE = 53;
// dml operations
/**
* The type of a ALTER SEQUENCE statement.
*/
int ALTER_SEQUENCE = 54;
/**
* The type of a ALTER TABLE SET REFERENTIAL_INTEGRITY statement.
*/
int ALTER_TABLE_SET_REFERENTIAL_INTEGRITY = 55;
/**
* The type of a BACKUP statement.
*/
int BACKUP = 56;
/**
* The type of a CALL statement.
*/
int CALL = 57;
/**
* The type of a DELETE statement.
*/
int DELETE = 58;
/**
* The type of a EXECUTE statement.
*/
int EXECUTE = 59;
/**
* The type of a EXPLAIN statement.
*/
int EXPLAIN = 60;
/**
* The type of a INSERT statement.
*/
int INSERT = 61;
/**
* The type of a MERGE statement.
*/
int MERGE = 62;
/**
* The type of a no operation statement.
*/
int NO_OPERATION = 63;
/**
* The type of a RUNSCRIPT statement.
*/
int RUNSCRIPT = 64;
/**
* The type of a SCRIPT statement.
*/
int SCRIPT = 65;
/**
* The type of a SELECT statement.
*/
int SELECT = 66;
/**
* The type of a SET statement.
*/
int SET = 67;
/**
* The type of a UPDATE statement.
*/
int UPDATE = 68;
// transaction commands
/**
* The type of a SET AUTOCOMMIT statement.
*/
int SET_AUTOCOMMIT_TRUE = 69;
/**
* The type of a SET AUTOCOMMIT statement.
*/
int SET_AUTOCOMMIT_FALSE = 70;
/**
* The type of a COMMIT statement.
*/
int COMMIT = 71;
/**
* The type of a ROLLBACK statement.
*/
int ROLLBACK = 72;
/**
* The type of a CHECKPOINT statement.
*/
int CHECKPOINT = 73;
/**
* The type of a SAVEPOINT statement.
*/
int SAVEPOINT = 74;
/**
* The type of a ROLLBACK TO SAVEPOINT statement.
*/
int ROLLBACK_TO_SAVEPOINT = 75;
/**
* The type of a CHECKPOINT SYNC statement.
*/
int CHECKPOINT_SYNC = 76;
/**
* The type of a PREPARE COMMIT statement.
*/
int PREPARE_COMMIT = 77;
/**
* The type of a COMMIT TRANSACTION statement.
*/
int COMMIT_TRANSACTION = 78;
/**
* The type of a ROLLBACK TRANSACTION statement.
*/
int ROLLBACK_TRANSACTION = 79;
/**
* The type of a SHUTDOWN statement.
*/
int SHUTDOWN = 80;
/**
* The type of a SHUTDOWN IMMEDIATELY statement.
*/
int SHUTDOWN_IMMEDIATELY = 81;
/**
* The type of a SHUTDOWN COMPACT statement.
*/
int SHUTDOWN_COMPACT = 82;
/**
* The type of a BEGIN {WORK|TRANSACTION} statement.
*/
int BEGIN = 83;
/**
* The type of a SHUTDOWN DEFRAG statement.
*/
int SHUTDOWN_DEFRAG = 84;
/**
* Get command type.
*
* @return one of the constants above
*/
int getCommandType();
/**
* Check if this is a query.
*
* @return true if it is a query
*/
boolean isQuery();
/**
* Get the parameters (if any).
*
* @return the parameters
*/
ArrayList<? extends ParameterInterface> getParameters();
/**
* Execute the query.
*
* @param maxRows the maximum number of rows returned
* @param scrollable if the result set must be scrollable
* @return the result
*/
ResultInterface executeQuery(int maxRows, boolean scrollable);
/**
* Execute the statement
*
* @return the update count
*/
int executeUpdate();
/**
* Close the statement.
*/
void close();
/**
* Cancel the statement if it is still processing.
*/
void cancel();
/**
* Get an empty result set containing the meta data of the result.
*
* @return the empty result
*/
ResultInterface getMetaData();
}