Akonadi::Server::CountQueryBuilder Class Reference

#include <countquerybuilder.h>

Inheritance diagram for Akonadi::Server::CountQueryBuilder:

Public Types
enum	CountMode { All , Distinct }
Public Types inherited from Akonadi::Server::QueryBuilder
enum	ConditionType { WhereCondition , HavingCondition , NUM_CONDITIONS }
enum	JoinType { InnerJoin , LeftJoin , LeftOuterJoin }
enum	QueryType { Select , Insert , Update , Delete }

Public Member Functions
	CountQueryBuilder (const QString &table)
	CountQueryBuilder (const QString &table, const QString &column, CountMode mode)
	CountQueryBuilder (DataStore *store, const QString &table)
	CountQueryBuilder (DataStore *store, const QString &table, const QString &column, CountMode mode)
int	result ()
Public Member Functions inherited from Akonadi::Server::QueryBuilder
	QueryBuilder (const QSqlQuery &tableQuery, const QString &tableQueryAlias)
	QueryBuilder (const QString &table, QueryType type=Select)
	QueryBuilder (DataStore *store, const QSqlQuery &tableQuery, const QString &tableQueryAlias)
	QueryBuilder (DataStore *store, const QString &table, QueryType type=Select)
	QueryBuilder (QueryBuilder &&) noexcept
void	addAggregation (const QString &col, const QString &aggregate)
void	addAggregation (const Query::Case &caseStmt, const QString &aggregate)
void	addColumn (const QString &col)
void	addColumn (const Query::Case &caseStmt)
void	addColumnCondition (const QString &column, Query::CompareOperator op, const QString &column2, ConditionType type=WhereCondition)
void	addColumns (const QStringList &cols)
void	addCondition (const Query::Condition &condition, ConditionType type=WhereCondition)
void	addGroupColumn (const QString &column)
void	addGroupColumns (const QStringList &columns)
void	addJoin (JoinType joinType, const QString &table, const QString &col1, const QString &col2)
void	addJoin (JoinType joinType, const QString &table, const Query::Condition &condition)
void	addSortColumn (const QString &column, Query::SortOrder order=Query::Ascending)
void	addValueCondition (const QString &column, Query::CompareOperator op, const QList< qint64 > &value, ConditionType type=WhereCondition)
void	addValueCondition (const QString &column, Query::CompareOperator op, const QSet< qint64 > &value, ConditionType type=WhereCondition)
void	addValueCondition (const QString &column, Query::CompareOperator op, const QVariant &value, ConditionType type=WhereCondition)
bool	exec ()
QString	getTable () const
QString	getTableWithColumn (const QString &column) const
qint64	insertId ()
QueryBuilder &	operator= (QueryBuilder &&) noexcept
QSqlQuery &	query ()
void	setColumnValue (const QString &column, const QVariant &value)
template<typename T >
void	setColumnValues (const QString &column, const QList< T > &values)
void	setDatabaseType (DbType::Type type)
void	setDistinct (bool distinct)
void	setForUpdate (bool forUpdate=true)
void	setIdentificationColumn (const QString &column)
void	setLimit (int limit, int offset=-1)
void	setSubQueryMode (Query::LogicOperator op, ConditionType type=WhereCondition)

Additional Inherited Members
Protected Member Functions inherited from Akonadi::Server::QueryBuilder
DataStore *	dataStore () const

Detailed Description

Helper class for creating queries to count elements in a database.

Definition at line 22 of file countquerybuilder.h.

Member Enumeration Documentation

CountMode

enum Akonadi::Server::CountQueryBuilder::CountMode

Definition at line 25 of file countquerybuilder.h.

Constructor & Destructor Documentation

CountQueryBuilder() [1/4]

Akonadi::Server::CountQueryBuilder::CountQueryBuilder ( const QString & table )

inlineexplicit

Creates a new query builder that counts all entries in table.

Definition at line 33 of file countquerybuilder.h.

CountQueryBuilder() [2/4]

Akonadi::Server::CountQueryBuilder::CountQueryBuilder ( DataStore * store, const QString & table )

inline

Definition at line 38 of file countquerybuilder.h.

CountQueryBuilder() [3/4]

Akonadi::Server::CountQueryBuilder::CountQueryBuilder ( const QString & table, const QString & column, CountMode mode )

inline

Creates a new query builder that counts entries in column of table.

If mode is set to Distinct, duplicate entries in that column are ignored.

Definition at line 48 of file countquerybuilder.h.

CountQueryBuilder() [4/4]

Akonadi::Server::CountQueryBuilder::CountQueryBuilder ( DataStore * store, const QString & table, const QString & column, CountMode mode )

inline

Definition at line 53 of file countquerybuilder.h.

Member Function Documentation

result()

int Akonadi::Server::CountQueryBuilder::result ( )

inline

Returns the result of this query.

Returns

-1 on error.

Definition at line 71 of file countquerybuilder.h.

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

• countquerybuilder.h