Akonadi::Server::CountQueryBuilder

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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 }
 
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)
 
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 QVariant &value, ConditionType type=WhereCondition)
 
bool exec ()
 
QString getTable () const
 
QString getTableWithColumn (const QString &column) const
 
qint64 insertId ()
 
QSqlQueryquery ()
 
void setColumnValue (const QString &column, const QVariant &value)
 
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
DataStoredataStore () 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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