OGRFeatureDefn * OGRAmigoCloudResultLayer::GetLayerDefnInternal(json_object* poObjIn) { if( poFeatureDefn != nullptr ) return poFeatureDefn; EstablishLayerDefn("result", poObjIn); return poFeatureDefn; }
OGRFeatureDefn * OGRCARTODBResultLayer::GetLayerDefnInternal(json_object* poObjIn) { if( poFeatureDefn != NULL ) return poFeatureDefn; EstablishLayerDefn("result", poObjIn); return poFeatureDefn; }
OGRFeatureDefn * OGRCARTODBResultLayer::GetLayerDefn() { if( poFeatureDefn != NULL ) return poFeatureDefn; EstablishLayerDefn("result"); return poFeatureDefn; }
OGRFeatureDefn * OGRCARTODBTableLayer::GetLayerDefnInternal(CPL_UNUSED json_object* poObjIn) { if( poFeatureDefn != NULL ) return poFeatureDefn; CPLString osCommand; if( poDS->IsAuthenticatedConnection() ) { // Get everything ! osCommand.Printf( "SELECT a.attname, t.typname, a.attlen, " "format_type(a.atttypid,a.atttypmod), " "a.attnum, " "a.attnotnull, " "i.indisprimary, " "pg_get_expr(def.adbin, c.oid) AS defaultexpr, " "postgis_typmod_dims(a.atttypmod) dim, " "postgis_typmod_srid(a.atttypmod) srid, " "postgis_typmod_type(a.atttypmod)::text geomtyp, " "srtext " "FROM pg_class c " "JOIN pg_attribute a ON a.attnum > 0 AND " "a.attrelid = c.oid AND c.relname = '%s' " "JOIN pg_type t ON a.atttypid = t.oid " "JOIN pg_namespace n ON c.relnamespace=n.oid AND n.nspname= '%s' " "LEFT JOIN pg_index i ON c.oid = i.indrelid AND " "i.indisprimary = 't' AND a.attnum = ANY(i.indkey) " "LEFT JOIN pg_attrdef def ON def.adrelid = c.oid AND " "def.adnum = a.attnum " "LEFT JOIN spatial_ref_sys srs ON srs.srid = postgis_typmod_srid(a.atttypmod) " "ORDER BY a.attnum", OGRCARTODBEscapeLiteral(osName).c_str(), OGRCARTODBEscapeLiteral(poDS->GetCurrentSchema()).c_str()); } else if( poDS->HasOGRMetadataFunction() != FALSE ) { osCommand.Printf( "SELECT * FROM ogr_table_metadata('%s', '%s')", OGRCARTODBEscapeLiteral(poDS->GetCurrentSchema()).c_str(), OGRCARTODBEscapeLiteral(osName).c_str() ); } if( osCommand.size() ) { if( !poDS->IsAuthenticatedConnection() && poDS->HasOGRMetadataFunction() < 0 ) CPLPushErrorHandler(CPLQuietErrorHandler); OGRLayer* poLyr = poDS->ExecuteSQLInternal(osCommand); if( !poDS->IsAuthenticatedConnection() && poDS->HasOGRMetadataFunction() < 0 ) { CPLPopErrorHandler(); if( poLyr == NULL ) { CPLDebug("CARTODB", "ogr_table_metadata(text, text) not available"); CPLErrorReset(); } else if( poLyr->GetLayerDefn()->GetFieldCount() != 12 ) { CPLDebug("CARTODB", "ogr_table_metadata(text, text) has unexpected column count"); poDS->ReleaseResultSet(poLyr); poLyr = NULL; } poDS->SetOGRMetadataFunction(poLyr != NULL); } if( poLyr ) { OGRFeature* poFeat; while( (poFeat = poLyr->GetNextFeature()) != NULL ) { if( poFeatureDefn == NULL ) { // We could do that outside of the while() loop, but // by doing that here, we are somewhat robust to // ogr_table_metadata() returning suddenly an empty result set // for example if CDB_UserTables() no longer works poFeatureDefn = new OGRFeatureDefn(osName); poFeatureDefn->Reference(); poFeatureDefn->SetGeomType(wkbNone); } const char* pszAttname = poFeat->GetFieldAsString("attname"); const char* pszType = poFeat->GetFieldAsString("typname"); int nWidth = poFeat->GetFieldAsInteger("attlen"); const char* pszFormatType = poFeat->GetFieldAsString("format_type"); int bNotNull = poFeat->GetFieldAsInteger("attnotnull"); int bIsPrimary = poFeat->GetFieldAsInteger("indisprimary"); int iDefaultExpr = poLyr->GetLayerDefn()->GetFieldIndex("defaultexpr"); const char* pszDefault = (iDefaultExpr >= 0 && poFeat->IsFieldSet(iDefaultExpr)) ? poFeat->GetFieldAsString(iDefaultExpr) : NULL; if( bIsPrimary && (EQUAL(pszType, "int2") || EQUAL(pszType, "int4") || EQUAL(pszType, "int8") || EQUAL(pszType, "serial") || EQUAL(pszType, "bigserial")) ) { osFIDColName = pszAttname; } else if( strcmp(pszAttname, "created_at") == 0 || strcmp(pszAttname, "updated_at") == 0 || strcmp(pszAttname, "the_geom_webmercator") == 0) { /* ignored */ } else { if( EQUAL(pszType,"geometry") ) { int nDim = poFeat->GetFieldAsInteger("dim"); int nSRID = poFeat->GetFieldAsInteger("srid"); const char* pszGeomType = poFeat->GetFieldAsString("geomtyp"); const char* pszSRText = (poFeat->IsFieldSet( poLyr->GetLayerDefn()->GetFieldIndex("srtext"))) ? poFeat->GetFieldAsString("srtext") : NULL; OGRwkbGeometryType eType = OGRFromOGCGeomType(pszGeomType); if( nDim == 3 ) eType = wkbSetZ(eType); OGRCartoDBGeomFieldDefn *poFieldDefn = new OGRCartoDBGeomFieldDefn(pszAttname, eType); if( bNotNull ) poFieldDefn->SetNullable(FALSE); OGRSpatialReference* poSRS = NULL; if( pszSRText != NULL ) { poSRS = new OGRSpatialReference(); char* pszTmp = (char* )pszSRText; if( poSRS->importFromWkt(&pszTmp) != OGRERR_NONE ) { delete poSRS; poSRS = NULL; } if( poSRS != NULL ) { poFieldDefn->SetSpatialRef(poSRS); poSRS->Release(); } } poFieldDefn->nSRID = nSRID; poFeatureDefn->AddGeomFieldDefn(poFieldDefn, FALSE); } else { OGRFieldDefn oField(pszAttname, OFTString); if( bNotNull ) oField.SetNullable(FALSE); OGRPGCommonLayerSetType(oField, pszType, pszFormatType, nWidth); if( pszDefault ) OGRPGCommonLayerNormalizeDefault(&oField, pszDefault); poFeatureDefn->AddFieldDefn( &oField ); } } delete poFeat; } poDS->ReleaseResultSet(poLyr); } } if( poFeatureDefn == NULL ) { osBaseSQL.Printf("SELECT * FROM %s", OGRCARTODBEscapeIdentifier(osName).c_str()); EstablishLayerDefn(osName, NULL); osBaseSQL = ""; } if( osFIDColName.size() > 0 ) { osBaseSQL = "SELECT "; osBaseSQL += OGRCARTODBEscapeIdentifier(osFIDColName); } for(int i=0; i<poFeatureDefn->GetGeomFieldCount(); i++) { if( osBaseSQL.size() == 0 ) osBaseSQL = "SELECT "; else osBaseSQL += ", "; osBaseSQL += OGRCARTODBEscapeIdentifier(poFeatureDefn->GetGeomFieldDefn(i)->GetNameRef()); } for(int i=0; i<poFeatureDefn->GetFieldCount(); i++) { if( osBaseSQL.size() == 0 ) osBaseSQL = "SELECT "; else osBaseSQL += ", "; osBaseSQL += OGRCARTODBEscapeIdentifier(poFeatureDefn->GetFieldDefn(i)->GetNameRef()); } if( osBaseSQL.size() == 0 ) osBaseSQL = "SELECT *"; osBaseSQL += " FROM "; osBaseSQL += OGRCARTODBEscapeIdentifier(osName); osSELECTWithoutWHERE = osBaseSQL; return poFeatureDefn; }