Package org.apache.empire.dbms.hsql

Class DBCommandHSql

java.lang.Object

org.apache.empire.db.DBObject

org.apache.empire.db.DBExpr

org.apache.empire.db.DBCommandExpr

org.apache.empire.db.DBCommand

org.apache.empire.dbms.hsql.DBCommandHSql

All Implemented Interfaces:

Cloneable

public class DBCommandHSql
extends DBCommand

This class handles the special features of an HSqlDB database.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.empire.db.DBCommandExpr

DBCommandExpr.DBCmdColumn, DBCommandExpr.DBCmdQuery

Field Summary

Fields

Modifier and Type	Field	Description
protected int	limitRows
protected int	skipRows

Fields inherited from class org.apache.empire.db.DBCommand

autoPrepareStmt, cmdParams, groupBy, having, joins, log, parentTables, select, selectDistinct, set, where

Fields inherited from class org.apache.empire.db.DBCommandExpr

cmdQuery, orderBy, SF_DEFAULT, SF_SKIP_FROM, SF_SKIP_GROUP, SF_SKIP_LIMIT, SF_SKIP_ORDER, SF_SKIP_SELECT, SF_SKIP_WHERE

Fields inherited from class org.apache.empire.db.DBExpr

CTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE

Constructor Summary

Constructors

Constructor	Description
DBCommandHSql(DBMSHandlerHSql dbms, boolean autoPrepareStmt)	Constructs an HSqlDB command object.

Method Summary

Modifier and Type	Method	Description
protected void	addUpdateWithJoins(DBSQLBuilder sql, DBRowSet table)
void	clearLimit()	Clears a limit or offset set by calling limit() or offset()
void	getSelect(DBSQLBuilder sql, int flags)	Creates a select SQL-Statement
DBCommandHSql	limitRows(int limitRows)	Overridden to change return type from DBCommandExpr to DBCommand
DBCommandHSql	skipRows(int skipRows)	Overridden to change return type from DBCommandExpr to DBCommand

Methods inherited from class org.apache.empire.db.DBCommand

addDeleteForTable, addDeleteWithJoins, addFrom, addGrouping, addJoins, addKeyConstraints, addOrder, addParam, addParam, addParam, addParam, addReferencedColumns, addSelect, addUpdateForTable, addWhere, addWhere, addWhereConstraints, appendCompareColExprs, clear, clearGroupBy, clearHaving, clearJoin, clearSelect, clearSelectDistinct, clearSet, clearWhere, clone, completeParamUsage, createSQLBuilder, findConstraintOn, getDatabase, getDataType, getDelete, getGroupBy, getHavingConstraints, getInsert, getJoins, getParams, getParamValues, getRowSetList, getSelectExpressions, getSelectExprList, getSetExpressions, getUpdate, getWhereConstraints, groupAll, groupBy, groupBy, groupBy, hasAggegation, hasConstraintOn, hasGroupBy, hasHavingConstraintOn, hasHavingConstraints, hasJoinOn, hasJoinOn, hasSelectExpr, hasSelectExpr, hasSetExpr, hasSetExprOn, hasWhereConstraintOn, hasWhereConstraints, having, isAutoPrepareStmt, isPreparedStatementsEnabled, isSelectDistinct, isValid, join, join, join, join, join, join, join, join, joinLeft, joinLeft, joinRight, joinRight, orderBy, orderBy, orderBy, orderByUpper, orderByUpper, qualifyAll, removeAllCommandParams, removeCommandParams, removeConstraint, removeConstraintOn, removeHavingConstraint, removeHavingConstraintOn, removeJoinsOn, removeJoinsOn, removeSelect, removeWhereConstraint, removeWhereConstraintOn, replaceSelect, resetParamUsage, select, select, select, selectDistinct, selectQualified, selectQualified, selectSetExpressions, selectSetExpressions, set, set, setConstraint, setParentTables, useCmdParam, where, where

Methods inherited from class org.apache.empire.db.DBCommandExpr

addListExpr, addSQL, clearOrderBy, getCmdColumn, getDbms, getInsertInto, getInsertInto, getInsertInto, getOrderBy, getSelect, getSelect, hasOrderBy, intersect, not, notEmpty, result, union, unionAll

Methods inherited from class org.apache.empire.db.DBObject

checkParamNull

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

limitRows

protected int limitRows

skipRows

protected int skipRows

Constructor Details

DBCommandHSql

public DBCommandHSql(DBMSHandlerHSql dbms,
 boolean autoPrepareStmt)

Constructs an HSqlDB command object.

Method Details

limitRows

public DBCommandHSql limitRows(int limitRows)

Description copied from class: DBCommand

Overridden to change return type from DBCommandExpr to DBCommand

Overrides:

limitRows in class DBCommand

Parameters:

limitRows - the number of rows to limit

Returns:

itself (this)

skipRows

public DBCommandHSql skipRows(int skipRows)

Description copied from class: DBCommand

Overridden to change return type from DBCommandExpr to DBCommand

Overrides:

skipRows in class DBCommand

Parameters:

skipRows - the number of rows to skip

Returns:

itself (this)

clearLimit

public void clearLimit()

Description copied from class: DBCommandExpr

Clears a limit or offset set by calling limit() or offset()

Overrides:

clearLimit in class DBCommandExpr

getSelect

public void getSelect(DBSQLBuilder sql,
 int flags)

Description copied from class: DBCommand

Creates a select SQL-Statement

Overrides:

getSelect in class DBCommand

Parameters:

sql - the sql builder to add the command to

flags - bitwise context flags for sql building (see "Select Context Flags")

addUpdateWithJoins

protected void addUpdateWithJoins(DBSQLBuilder sql,
 DBRowSet table)

Overrides:

addUpdateWithJoins in class DBCommand