com.querydsl.sql

Interface SQLCommonQueryFactory<Q extends SQLCommonQuery<?>,D extends SQLDeleteClause,U extends SQLUpdateClause,I extends SQLInsertClause,M extends SQLMergeClause>

Type Parameters:

Q - query type

D - delete clause type

U - update clause type

I - insert clause type

M - merge clause type

All Superinterfaces:

QueryFactory<Q>

All Known Implementing Classes:

AbstractSQLQueryFactory, MySQLQueryFactory, OracleQueryFactory, PostgreSQLQueryFactory, SQLQueryFactory, SQLServerQueryFactory, TeradataQueryFactory

public interface SQLCommonQueryFactory<Q extends SQLCommonQuery<?>,D extends SQLDeleteClause,U extends SQLUpdateClause,I extends SQLInsertClause,M extends SQLMergeClause>
extends QueryFactory<Q>

Factory interface for query and clause creation.

The default implementation is SQLQueryFactory and should be used for general query creation. Type specific variants are available if database specific queries need to be created.

Author:

tiwe

Method Summary

Modifier and Type	Method and Description
D	delete(RelationalPath<?> path) Create a new DELETE clause
Q	from(Expression<?>... from) Create a new SELECT query
Q	from(Expression<?> from) Create a new SELECT query
Q	from(SubQueryExpression<?> subQuery, Path<?> alias) Create a new SELECT query
I	insert(RelationalPath<?> path) Create a new INSERT INTO clause
M	merge(RelationalPath<?> path) Create a new MERGE clause
Q	query() Create a new Query
U	update(RelationalPath<?> path) Create a new UPDATE clause

Method Detail

delete

D delete(RelationalPath<?> path)

Create a new DELETE clause

Parameters:

path - table to delete from

Returns:

delete clause

from

Q from(Expression<?> from)

Create a new SELECT query

Parameters:

from - query source

Returns:

query

from

Q from(Expression<?>... from)

Create a new SELECT query

Parameters:

from - query sources

Returns:

query

from

Q from(SubQueryExpression<?> subQuery,
       Path<?> alias)

Create a new SELECT query

Parameters:

subQuery - query source

alias - alias

Returns:

query

insert

I insert(RelationalPath<?> path)

Create a new INSERT INTO clause

Parameters:

path - table to insert to

Returns:

insert clause

merge

M merge(RelationalPath<?> path)

Create a new MERGE clause

Parameters:

path - table to merge into

Returns:

merge clause

update

U update(RelationalPath<?> path)

Create a new UPDATE clause

Parameters:

path - table to update

Returns:

update clause

query

Q query()

Description copied from interface: QueryFactory

Create a new Query

Specified by:

query in interface QueryFactory<Q extends SQLCommonQuery<?>>

Returns:

new query