Package com.querydsl.sql.postgresql

Class AbstractPostgreSQLQuery<T,C extends AbstractPostgreSQLQuery<T,C>>

java.lang.Object

com.querydsl.core.support.QueryBase<Q>

com.querydsl.core.support.FetchableQueryBase<T,Q>

com.querydsl.core.support.FetchableSubQueryBase<T,Q>

com.querydsl.sql.ProjectableSQLQuery<T,Q>

com.querydsl.sql.AbstractSQLQuery<T,C>

com.querydsl.sql.postgresql.AbstractPostgreSQLQuery<T,C>

Type Parameters:

T - result type

C - the concrete subtype

All Implemented Interfaces:

Fetchable<T>, FetchableQuery<T,C>, FilteredClause<C>, Query<C>, SimpleQuery<C>, ExtendedSubQuery<T>, Expression<T>, SubQueryExpression<T>, SQLCommonQuery<C>, Serializable

Direct Known Subclasses:

PostgreSQLQuery

public abstract class AbstractPostgreSQLQuery<T,C extends AbstractPostgreSQLQuery<T,C>>
extends AbstractSQLQuery<T,C>

PostgreSQLQuery provides PostgreSQL related extensions to SQLQuery

Author:

tiwe

See Also:

• SQLQuery
• Serialized Form

Field Summary

Fields inherited from class com.querydsl.sql.AbstractSQLQuery

listeners, PARENT_CONTEXT, useLiterals

Fields inherited from class com.querydsl.sql.ProjectableSQLQuery

configuration, firstUnionSubQuery, union, unionAll

Fields inherited from class com.querydsl.core.support.QueryBase

MDC_PARAMETERS, MDC_QUERY, queryMixin

Constructor Summary

Constructors

Constructor	Description
AbstractPostgreSQLQuery(Connection conn, Configuration configuration, QueryMetadata metadata)
AbstractPostgreSQLQuery(Supplier<Connection> connProvider, Configuration configuration, QueryMetadata metadata)

Method Summary

Modifier and Type	Method	Description
C	distinctOn(Expression<?>... exprs)	adds a DISTINCT ON clause
C	forShare()	FOR SHARE causes the rows retrieved by the SELECT statement to be locked as though for update.
C	noWait()	With NOWAIT, the statement reports an error, rather than waiting, if a selected row cannot be locked immediately.
C	of(RelationalPath<?>... paths)	FOR UPDATE / FOR SHARE OF tables

Methods inherited from class com.querydsl.sql.AbstractSQLQuery

addListener, as, as, clone, clone, clone, createSerializer, endContext, fetch, fetchCount, fetchResults, forShare, forUpdate, getConfiguration, getResults, getResults, iterate, logQuery, onException, setParameters, setStatementOptions, setUseLiterals, startContext

Methods inherited from class com.querydsl.sql.ProjectableSQLQuery

accept, addFlag, addFlag, addFlag, addFlag, addJoinFlag, addJoinFlag, fetchOne, from, from, from, fullJoin, fullJoin, fullJoin, fullJoin, fullJoin, getSQL, getSQL, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, join, join, join, join, join, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, on, on, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, serialize, toString, union, union, union, unionAll, unionAll, unionAll, with, with, with, withRecursive, withRecursive, withRecursive

Methods inherited from class com.querydsl.core.support.FetchableSubQueryBase

contains, contains, eq, eq, exists, getMetadata, getType, goe, goe, gt, gt, hashCode, in, in, isNotNull, isNull, loe, loe, lt, lt, ne, ne, notExists

Methods inherited from class com.querydsl.core.support.FetchableQueryBase

equals, fetchFirst, transform, uniqueResult

Methods inherited from class com.querydsl.core.support.QueryBase

distinct, groupBy, groupBy, having, having, limit, offset, orderBy, orderBy, restrict, set, where, where

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.Fetchable

fetchFirst, stream

Methods inherited from interface com.querydsl.core.FetchableQuery

select, select, transform

Methods inherited from interface com.querydsl.core.FilteredClause

where

Methods inherited from interface com.querydsl.core.Query

groupBy, having

Methods inherited from interface com.querydsl.core.SimpleQuery

distinct, limit, offset, orderBy, restrict, set

Constructor Details

AbstractPostgreSQLQuery

public AbstractPostgreSQLQuery(Connection conn,
 Configuration configuration,
 QueryMetadata metadata)

AbstractPostgreSQLQuery

public AbstractPostgreSQLQuery(Supplier<Connection> connProvider,
 Configuration configuration,
 QueryMetadata metadata)

Method Details

forShare

public C forShare()

FOR SHARE causes the rows retrieved by the SELECT statement to be locked as though for update.

Overrides:

forShare in class AbstractSQLQuery<T,C extends AbstractPostgreSQLQuery<T,C>>

Returns:

the current object

noWait

public C noWait()

With NOWAIT, the statement reports an error, rather than waiting, if a selected row cannot be locked immediately.

Returns:

the current object

of

public C of(RelationalPath<?>... paths)

FOR UPDATE / FOR SHARE OF tables

Parameters:

paths - tables

Returns:

the current object

distinctOn

public C distinctOn(Expression<?>... exprs)

adds a DISTINCT ON clause

Parameters:

exprs -

Returns: