QGIS API Documentation
3.14.0-Pi (9f7028fd23)
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#include <qgssqlstatement.h>
Public Member Functions | |
NodeSelect (const QList< QgsSQLStatement::NodeTableDef * > &tableList, const QList< QgsSQLStatement::NodeSelectedColumn * > &columns, bool distinct) | |
Constructor. More... | |
~NodeSelect () override | |
void | accept (QgsSQLStatement::Visitor &v) const override |
Support the visitor pattern. More... | |
void | appendJoin (QgsSQLStatement::NodeJoin *join) |
Append a join. More... | |
QgsSQLStatement::Node * | clone () const override |
Generate a clone of this node. More... | |
QList< QgsSQLStatement::NodeSelectedColumn * > | columns () const |
Returns the list of columns. More... | |
bool | distinct () const |
Returns if the SELECT is DISTINCT. More... | |
QString | dump () const override |
Abstract virtual dump method. More... | |
QList< QgsSQLStatement::NodeJoin * > | joins () const |
Returns the list of joins. More... | |
QgsSQLStatement::NodeType | nodeType () const override |
Abstract virtual that returns the type of this node. More... | |
QList< QgsSQLStatement::NodeColumnSorted * > | orderBy () const |
Returns the list of order by columns. More... | |
void | setJoins (const QList< QgsSQLStatement::NodeJoin * > &joins) |
Sets joins. More... | |
void | setOrderBy (const QList< QgsSQLStatement::NodeColumnSorted * > &orderBy) |
Sets order by columns. More... | |
void | setWhere (QgsSQLStatement::Node *where) |
Sets where clause. More... | |
QList< QgsSQLStatement::NodeTableDef * > | tables () const |
Returns the list of tables. More... | |
QgsSQLStatement::Node * | where () const |
Returns the where clause. More... | |
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virtual | ~Node ()=default |
Protected Attributes | |
QList< NodeSelectedColumn * > | mColumns |
bool | mDistinct |
QList< NodeJoin * > | mJoins |
QList< NodeColumnSorted * > | mOrderBy |
QList< NodeTableDef * > | mTableList |
Node * | mWhere = nullptr |
SELECT node
Definition at line 734 of file qgssqlstatement.h.
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inline |
Constructor.
Definition at line 738 of file qgssqlstatement.h.
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override |
Definition at line 568 of file qgssqlstatement.cpp.
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inlineoverridevirtual |
Support the visitor pattern.
For any implementation this should look like
C++:
v.visit( *this );
Python:
v.visit( self)
v | A visitor that visits this node. |
Implements QgsSQLStatement::Node.
Definition at line 766 of file qgssqlstatement.h.
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inline |
Append a join.
Definition at line 744 of file qgssqlstatement.h.
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overridevirtual |
Generate a clone of this node.
Make sure that the clone does not contain any information which is generated in prepare and context related. Ownership is transferred to the caller.
Implements QgsSQLStatement::Node.
Definition at line 628 of file qgssqlstatement.cpp.
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Returns the list of columns.
Definition at line 753 of file qgssqlstatement.h.
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Returns if the SELECT is DISTINCT.
Definition at line 755 of file qgssqlstatement.h.
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overridevirtual |
Abstract virtual dump method.
Implements QgsSQLStatement::Node.
Definition at line 577 of file qgssqlstatement.cpp.
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inline |
Returns the list of joins.
Definition at line 757 of file qgssqlstatement.h.
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inlineoverridevirtual |
Abstract virtual that returns the type of this node.
Implements QgsSQLStatement::Node.
Definition at line 763 of file qgssqlstatement.h.
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Returns the list of order by columns.
Definition at line 761 of file qgssqlstatement.h.
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Sets joins.
Definition at line 742 of file qgssqlstatement.h.
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Sets order by columns.
Definition at line 748 of file qgssqlstatement.h.
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Sets where clause.
Definition at line 746 of file qgssqlstatement.h.
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Returns the list of tables.
Definition at line 751 of file qgssqlstatement.h.
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Returns the where clause.
Definition at line 759 of file qgssqlstatement.h.
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protected |
Definition at line 771 of file qgssqlstatement.h.
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Definition at line 772 of file qgssqlstatement.h.
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Definition at line 773 of file qgssqlstatement.h.
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Definition at line 775 of file qgssqlstatement.h.
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Definition at line 770 of file qgssqlstatement.h.
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Definition at line 774 of file qgssqlstatement.h.