31 #ifndef _OGR_GENSQL_H_INCLUDED 32 #define _OGR_GENSQL_H_INCLUDED 38 #define GEOM_FIELD_INDEX_TO_ALL_FIELD_INDEX(poFDefn, iGeom) \ 39 ((poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT + (iGeom)) 41 #define IS_GEOM_FIELD_INDEX(poFDefn, idx) \ 42 (((idx) >= (poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT) && \ 43 ((idx) < (poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT + (poFDefn)->GetGeomFieldCount())) 45 #define ALL_FIELD_INDEX_TO_GEOM_FIELD_INDEX(poFDefn, idx) \ 46 ((idx) - ((poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT)) 67 int *panGeomFieldToSrcGeomField;
82 void CreateOrderByIndex();
83 void SortIndexSection(
OGRField *pasIndexFields,
84 int nStart,
int nEntries );
88 void ApplyFiltersToSource();
90 void FindAndSetIgnoredFields();
92 void AddFieldDefnToSet(
int iTable,
int iColumn,
CPLHashSet* hSet);
96 void InvalidateOrderByIndex();
98 int MustEvaluateSpatialFilterOnGenSQL();
104 const char *pszWHERE,
105 const char *pszDialect );
Definition: ogrsf_frmts.h:217
virtual OGRFeatureDefn * GetLayerDefn()=0
Fetch the schema information for this layer.
virtual OGRErr SetAttributeFilter(const char *)
Set a new attribute query.
Definition: ogrlayer.cpp:320
virtual void SetSpatialFilter(OGRGeometry *)
Set a new spatial filter.
Definition: ogrlayer.cpp:950
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE)
Fetch the extent of this layer.
Definition: ogrlayer.cpp:206
virtual OGRFeature * GetFeature(long nFID)
Fetch a feature by its identifier.
Definition: ogrlayer.cpp:421
virtual OGRGeometry * GetSpatialFilter()
This method returns the current spatial filter for this layer.
Definition: ogrlayer.cpp:928
virtual int GetFeatureCount(int bForce=TRUE)
Fetch the feature count in this layer.
Definition: ogrlayer.cpp:170
Definition: ogr_feature.h:167
Definition: cpl_hash_set.cpp:35
virtual OGRFeature * GetNextFeature()=0
Fetch the next available feature from this layer.
Definition: ogr_geometry.h:79
virtual int TestCapability(const char *)=0
Test if this layer supported the named capability.
virtual void ResetReading()=0
Reset feature reading to start on the first feature.
Definition: ogr_core.h:48
Definition: ogr_core.h:427
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE)
Fetch the extent of this layer.
Definition: ogr_gensql.h:118
Definition: ogrsf_frmts.h:59
Definition: ogr_feature.h:232
virtual void SetSpatialFilter(OGRGeometry *poGeom)
Set a new spatial filter.
Definition: ogr_gensql.h:123
Definition: ogr_gensql.h:52
virtual OGRErr SetNextByIndex(long nIndex)
Move read cursor to the nIndex'th feature in the current resultset.
Definition: ogrlayer.cpp:468