mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
class QgsQueryBuilder : QDialog
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{
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%TypeHeaderCode
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#include <qgsquerybuilder.h>
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%End
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public:
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/** This constructor is used when the query builder is called from the
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* vector layer properties dialog
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* @param layer existing vector layer
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* @param parent Parent widget
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* @param fl dialog flags
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*/
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QgsQueryBuilder( QgsVectorLayer *layer, QWidget *parent /TransferThis/ = 0,
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const Qt::WindowFlags& fl = QgisGui::ModalDialogFlags );
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~QgsQueryBuilder();
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void showEvent( QShowEvent *event );
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public slots:
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void accept();
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void reject();
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void clear();
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void on_btnEqual_clicked();
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void on_btnLessThan_clicked();
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void on_btnGreaterThan_clicked();
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void on_btnPct_clicked();
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void on_btnIn_clicked();
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void on_btnNotIn_clicked();
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void on_btnLike_clicked();
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void on_btnILike_clicked();
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QString sql();
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void setSql( const QString& sqlStatement );
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void on_lstFields_clicked( const QModelIndex &index );
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void on_lstFields_doubleClicked( const QModelIndex &index );
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void on_lstValues_doubleClicked( const QModelIndex &index );
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void on_btnLessEqual_clicked();
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void on_btnGreaterEqual_clicked();
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void on_btnNotEqual_clicked();
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void on_btnAnd_clicked();
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void on_btnNot_clicked();
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void on_btnOr_clicked();
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void on_buttonBox_helpRequested();
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/** Test the constructed sql statement to see if the database likes it.
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* The number of rows that would be returned is displayed in a message box.
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* The test uses a "select count(*) from ..." query to test the SQL
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* statement.
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*/
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void test();
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/*!
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* Get all distinct values for the field. Values are inserted
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* into the value list box
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*/
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void on_btnGetAllValues_clicked();
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/*!
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* Get sample distinct values for the selected field. The sample size is
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* limited to an arbitrary value (currently set to 25). The values
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* are inserted into the values list box.
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*/
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void on_btnSampleValues_clicked();
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void setDatasourceDescription( const QString& uri );
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};
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