Package org.apache.empire.dbms.postgresql

Class DBCommandPostgres

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.postgresql.DBCommandPostgres

All Implemented Interfaces:

Cloneable

public class DBCommandPostgres
extends DBCommand

Defines the PostgreSQL command type.

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	limit
protected int	skip

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
DBCommandPostgres(DBMSHandlerPostgreSQL dbms, boolean autoPrepareStmt)

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
DBCommand	limitRows(int numRows)	Overridden to change return type from DBCommandExpr to DBCommand
DBColumnExpr	pgAge(DBColumnExpr expr)	See https://www.postgresql.org/docs/current/functions-datetime.html
DBColumnExpr	pgAge(DBColumnExpr expr1, DBColumnExpr expr2)	See https://www.postgresql.org/docs/current/functions-datetime.html
DBColumnExpr	pgBoolAnd(DBCompareExpr cmpExpr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBColumnExpr	pgBoolOr(DBCompareExpr cmpExpr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
PostgresAtAt	pgCompareAtAt(DBColumnExpr left, DBColumnExpr right)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBColumnExpr	pgExtract(PostgresExtractField field, DBColumnExpr expr)	See https://www.postgresql.org/docs/current/functions-datetime.html
PostgresIntervalExpr	pgInterval(int quantity, PostgresIntervalExpr.PostgresIntervalUnitField unit)
DBColumnExpr	pgPlaintoTsquery(DBColumnExpr expr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBColumnExpr	pgToTsquery(DBColumnExpr expr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBColumnExpr	pgToTsvector(DBColumnExpr expr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBColumnExpr	pgWebsearchToTsquery(DBColumnExpr expr)	See https://www.postgresql.org/docs/current/textsearch-controls.html
DBCommand	skipRows(int numRows)	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

limit

protected int limit

skip

protected int skip

Constructor Details

DBCommandPostgres

public DBCommandPostgres(DBMSHandlerPostgreSQL dbms,
 boolean autoPrepareStmt)

Method Details

pgAge

public DBColumnExpr pgAge(DBColumnExpr expr)

See https://www.postgresql.org/docs/current/functions-datetime.html

pgAge

public DBColumnExpr pgAge(DBColumnExpr expr1,
 DBColumnExpr expr2)

See https://www.postgresql.org/docs/current/functions-datetime.html

pgExtract

public DBColumnExpr pgExtract(PostgresExtractField field,
 DBColumnExpr expr)

See https://www.postgresql.org/docs/current/functions-datetime.html

pgToTsquery

public DBColumnExpr pgToTsquery(DBColumnExpr expr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgToTsvector

public DBColumnExpr pgToTsvector(DBColumnExpr expr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgPlaintoTsquery

public DBColumnExpr pgPlaintoTsquery(DBColumnExpr expr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgWebsearchToTsquery

public DBColumnExpr pgWebsearchToTsquery(DBColumnExpr expr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgBoolAnd

public DBColumnExpr pgBoolAnd(DBCompareExpr cmpExpr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgBoolOr

public DBColumnExpr pgBoolOr(DBCompareExpr cmpExpr)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgCompareAtAt

public PostgresAtAt pgCompareAtAt(DBColumnExpr left,
 DBColumnExpr right)

See https://www.postgresql.org/docs/current/textsearch-controls.html

pgInterval

public PostgresIntervalExpr pgInterval(int quantity,
 PostgresIntervalExpr.PostgresIntervalUnitField unit)

limitRows

public DBCommand limitRows(int numRows)

Description copied from class: DBCommand

Overridden to change return type from DBCommandExpr to DBCommand

Overrides:

limitRows in class DBCommand

Parameters:

numRows - the number of rows to limit

Returns:

itself (this)

skipRows

public DBCommand skipRows(int numRows)

Description copied from class: DBCommand

Overridden to change return type from DBCommandExpr to DBCommand

Overrides:

skipRows in class DBCommand

Parameters:

numRows - 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