DeleteQuery Class Reference

QSqlQuery wrapper for DELETE FROM ... WHERE .. query execution. More...

#include <EasyQtSql_DeleteQuery.h>

Public Member Functions
	DeleteQuery (const QString &table, const QSqlDatabase &db)
NonQueryResult	where (const QString &expr)
	Executes conditional DELETE FROM table WHERE expr query. More...
NonQueryResult	where (const QString &expr, const QVariant &last)
	Executes conditional DELETE FROM table WHERE expr query with parameter binding. More...
template<typename... Rest>
NonQueryResult	where (const QString &expr, const QVariant &first, const Rest &... rest)
NonQueryResult	exec ()
	Executes unconditional DELETE FROM table query. More...

Detailed Description

QSqlQuery wrapper for DELETE FROM ... WHERE .. query execution.

Constructor & Destructor Documentation

DeleteQuery()

DeleteQuery::DeleteQuery ( const QString &  table, const QSqlDatabase &  db  )

inline

Member Function Documentation

exec()

NonQueryResult DeleteQuery::exec ( )

inline

Executes unconditional DELETE FROM table query.

//DELETE FROM table
t.deleteFrom("table").exec();

where() [1/3]

NonQueryResult DeleteQuery::where ( const QString &  expr )

inline

Executes conditional DELETE FROM table WHERE expr query.

//DELETE FROM table WHERE 1=0
t.deleteFrom("table").where("1=0");

where() [2/3]

NonQueryResult DeleteQuery::where ( const QString &  expr, const QVariant &  last  )

inline

Executes conditional DELETE FROM table WHERE expr query with parameter binding.

The method supports variable count of QVariant parameters. Parameters are bound with QSqlQuery::addBindValue.

//DELETE FROM table WHERE a=1 AND b=2
t.deleteFrom("table").where("a=? AND b=?", 1, 2);

where() [3/3]

template<typename... Rest>

NonQueryResult DeleteQuery::where ( const QString &  expr, const QVariant &  first, const Rest &...  rest  )

inline

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The documentation for this class was generated from the following file:

• EasyQtSql/EasyQtSql_DeleteQuery.h