这篇教程C++ ClearStatement函数代码示例写得很实用，希望能帮到您。
本文整理汇总了C++中ClearStatement函数的典型用法代码示例。如果您正苦于以下问题：C++ ClearStatement函数的具体用法？C++ ClearStatement怎么用？C++ ClearStatement使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了ClearStatement函数的18个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 示例1: ClearStatementOGRErr OGRSQLiteSelectLayer::ResetStatement(){ int rc; ClearStatement(); iNextShapeId = 0; bDoStep = TRUE;#ifdef DEBUG CPLDebug( "OGR_SQLITE", "prepare(%s)", poBehaviour->osSQLCurrent.c_str() );#endif rc = sqlite3_prepare( poDS->GetDB(), poBehaviour->osSQLCurrent, static_cast<int>(poBehaviour->osSQLCurrent.size()), &hStmt, NULL ); if( rc == SQLITE_OK ) { return OGRERR_NONE; } else { CPLError( CE_Failure, CPLE_AppDefined, "In ResetStatement(): sqlite3_prepare(%s):/n %s", poBehaviour->osSQLCurrent.c_str(), sqlite3_errmsg(poDS->GetDB()) ); hStmt = NULL; return OGRERR_FAILURE; }}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:31，
示例2: ClearStatementOGRErr OGRSQLiteTableLayer::ResetStatement(){ int rc; CPLString osSQL; ClearStatement(); iNextShapeId = 0; osSQL.Printf( "SELECT _rowid_, * FROM '%s' %s", pszEscapedTableName, osWHERE.c_str() ); rc = sqlite3_prepare( poDS->GetDB(), osSQL, osSQL.size(), &hStmt, NULL ); if( rc == SQLITE_OK ) { return OGRERR_NONE; } else { CPLError( CE_Failure, CPLE_AppDefined, "In ResetStatement(): sqlite3_prepare(%s):/n %s", osSQL.c_str(), sqlite3_errmsg(poDS->GetDB()) ); hStmt = NULL; return OGRERR_FAILURE; }}
开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:30，
示例3: ClearStatementOGRFeature *OGRWalkTableLayer::GetFeature( long nFeatureId ){ if( pszFIDColumn == NULL ) return OGRWalkLayer::GetFeature( nFeatureId ); ClearStatement(); iNextShapeId = nFeatureId; poStmt = new CPLODBCStatement( poDS->GetSession() ); poStmt->Append( "SELECT * FROM " ); poStmt->Append( poFeatureDefn->GetName() ); poStmt->Append( "Features" ); poStmt->Appendf( " WHERE %s = %ld", pszFIDColumn, nFeatureId ); if( !poStmt->ExecuteSQL() ) { delete poStmt; poStmt = NULL; return NULL; } return GetNextRawFeature();}
开发者ID:samalone，项目名称:gdal-ios，代码行数:25，
示例4: ClearStatementOGRSQLiteViewLayer::~OGRSQLiteViewLayer(){ ClearStatement(); CPLFree(pszEscapedTableName); CPLFree(pszEscapedUnderlyingTableName);}
开发者ID:agrismart，项目名称:gdal-1.9.2，代码行数:7，
示例5: ClearStatementvoid OGRDB2SelectLayer::ResetReading(){ if( iNextShapeId != 0 ) ClearStatement(); OGRDB2Layer::ResetReading();}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:8，
示例6: ClearStatementvoid OGRGeomediaSelectLayer::ResetReading(){ if( iNextShapeId != 0 ) ClearStatement(); OGRGeomediaLayer::ResetReading();}
开发者ID:OSGeo，项目名称:gdal，代码行数:8，
示例7: ClearStatementvoid OGRMSSQLSpatialSelectLayer::ResetReading(){ if( iNextShapeId != 0 ) ClearStatement(); OGRMSSQLSpatialLayer::ResetReading();}
开发者ID:koordinates，项目名称:gdal，代码行数:8，
示例8: CPLFreeOGRODBCTableLayer::~OGRODBCTableLayer(){ CPLFree( pszTableName ); CPLFree( pszSchemaName ); CPLFree( pszQuery ); ClearStatement();}
开发者ID:469447793，项目名称:World-Wind-Java，代码行数:9，
示例9: CPLFreeOGRMSSQLSpatialTableLayer::~OGRMSSQLSpatialTableLayer(){ CPLFree( pszTableName ); CPLFree( pszSchemaName ); CPLFree( pszQuery ); ClearStatement();}
开发者ID:sylvainallard，项目名称:gdal，代码行数:9，
示例10: ResetStatementOGRFeature *OGRGeoPackageLayer::GetNextFeature(){ for( ; TRUE; ) { OGRFeature *poFeature; if( m_poQueryStatement == NULL ) { ResetStatement(); if (m_poQueryStatement == NULL) return NULL; } /* -------------------------------------------------------------------- */ /* Fetch a record (unless otherwise instructed) */ /* -------------------------------------------------------------------- */ if( bDoStep ) { int rc; rc = sqlite3_step( m_poQueryStatement ); if( rc != SQLITE_ROW ) { if ( rc != SQLITE_DONE ) { sqlite3_reset(m_poQueryStatement); CPLError( CE_Failure, CPLE_AppDefined, "In GetNextRawFeature(): sqlite3_step() : %s", sqlite3_errmsg(m_poDS->GetDB()) ); } ClearStatement(); return NULL; } } else bDoStep = TRUE; poFeature = TranslateFeature(m_poQueryStatement); if( poFeature == NULL ) return NULL; if( (m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeomFieldRef(m_iGeomFieldFilter) ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) return poFeature; delete poFeature; }}
开发者ID:drownedout，项目名称:datamap，代码行数:53，
示例11: EQUALOGRErr OGRGeomediaTableLayer::SetAttributeFilter( const char *pszQueryIn ){ if( (pszQueryIn == NULL && this->pszQuery == NULL) || (pszQueryIn != NULL && this->pszQuery != NULL && EQUAL(pszQueryIn,this->pszQuery)) ) return OGRERR_NONE; CPLFree( this->pszQuery ); this->pszQuery = pszQueryIn ? CPLStrdup( pszQueryIn ) : NULL; ClearStatement(); return OGRERR_NONE;}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:15，
示例12: EQUALOGRErr OGRMSSQLSpatialTableLayer::SetAttributeFilter( const char *pszQuery ){ if( (pszQuery == NULL && this->pszQuery == NULL) || (pszQuery != NULL && this->pszQuery != NULL && EQUAL(pszQuery,this->pszQuery)) ) return OGRERR_NONE; CPLFree( this->pszQuery ); this->pszQuery = (pszQuery) ? CPLStrdup( pszQuery ) : NULL; ClearStatement(); return OGRERR_NONE;}
开发者ID:sylvainallard，项目名称:gdal，代码行数:15，
示例13: CPLFreeOGRErr OGRPGeoTableLayer::SetAttributeFilter( const char *pszQuery ){ CPLFree(m_pszAttrQueryString); m_pszAttrQueryString = (pszQuery) ? CPLStrdup(pszQuery) : NULL; if( (pszQuery == NULL && this->pszQuery == NULL) || (pszQuery != NULL && this->pszQuery != NULL && EQUAL(pszQuery,this->pszQuery)) ) return OGRERR_NONE; CPLFree( this->pszQuery ); this->pszQuery = pszQuery ? CPLStrdup( pszQuery ) : NULL; ClearStatement(); return OGRERR_NONE;}
开发者ID:rashadkm，项目名称:lib_gdal，代码行数:18，
示例14: CPLFreeOGRErr OGRODBCTableLayer::SetAttributeFilter( const char *pszQueryIn ){ CPLFree(m_pszAttrQueryString); m_pszAttrQueryString = (pszQueryIn) ? CPLStrdup(pszQueryIn) : NULL; if( (pszQueryIn == NULL && pszQuery == NULL) || (pszQueryIn != NULL && pszQuery != NULL && EQUAL(pszQueryIn, pszQuery)) ) return OGRERR_NONE; CPLFree( pszQuery ); pszQuery = pszQueryIn != NULL ? CPLStrdup( pszQueryIn ) : NULL; ClearStatement(); return OGRERR_NONE;}
开发者ID:ryandavid，项目名称:rotobox，代码行数:18，
示例15: GetLayerDefnOGRErr OGRMSSQLSpatialTableLayer::DeleteFeature( long nFID ){ GetLayerDefn(); if( pszFIDColumn == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "DeleteFeature() without any FID column." ); return OGRERR_FAILURE; } if( nFID == OGRNullFID ) { CPLError( CE_Failure, CPLE_AppDefined, "DeleteFeature() with unset FID fails." ); return OGRERR_FAILURE; } ClearStatement();/* -------------------------------------------------------------------- *//* Drop the record with this FID. *//* -------------------------------------------------------------------- */ CPLODBCStatement oStatement( poDS->GetSession() ); oStatement.Appendf("DELETE FROM [%s] WHERE [%s] = %ld", poFeatureDefn->GetName(), pszFIDColumn, nFID); if( !oStatement.ExecuteSQL() ) { CPLError( CE_Failure, CPLE_AppDefined, "Attempt to delete feature with FID %ld failed. %s", nFID, poDS->GetSession()->GetLastError() ); return OGRERR_FAILURE; } return OGRERR_NONE;}
开发者ID:sylvainallard，项目名称:gdal，代码行数:40，
示例16: ClearStatementOGRErr OGRODBCTableLayer::ResetStatement(){ ClearStatement(); iNextShapeId = 0; poStmt = new CPLODBCStatement( poDS->GetSession() ); poStmt->Append( "SELECT * FROM " ); poStmt->Append( poFeatureDefn->GetName() ); /* Append attribute query if we have it */ if( pszQuery != NULL ) poStmt->Appendf( " WHERE %s", pszQuery ); /* If we have a spatial filter, and per record extents, query on it */ if( m_poFilterGeom != NULL && bHaveSpatialExtents ) { if( pszQuery == NULL ) poStmt->Append( " WHERE" ); else poStmt->Append( " AND" ); poStmt->Appendf( " XMAX > %.8f AND XMIN < %.8f" " AND YMAX > %.8f AND YMIN < %.8f", m_sFilterEnvelope.MinX, m_sFilterEnvelope.MaxX, m_sFilterEnvelope.MinY, m_sFilterEnvelope.MaxY ); } CPLDebug( "OGR_ODBC", "ExecuteSQL(%s)", poStmt->GetCommand() ); if( poStmt->ExecuteSQL() ) return OGRERR_NONE; else { delete poStmt; poStmt = NULL; return OGRERR_FAILURE; }}
开发者ID:469447793，项目名称:World-Wind-Java，代码行数:39，
示例17: ClearStatementOGRErr OGRPGeoTableLayer::ResetStatement(){ ClearStatement(); iNextShapeId = 0; poStmt = new CPLODBCStatement( poDS->GetSession() ); poStmt->Append( "SELECT * FROM " ); poStmt->Append( poFeatureDefn->GetName() ); if( pszQuery != NULL ) poStmt->Appendf( " WHERE %s", pszQuery ); if( poStmt->ExecuteSQL() ) return OGRERR_NONE; else { delete poStmt; poStmt = NULL; return OGRERR_FAILURE; }}
开发者ID:rashadkm，项目名称:lib_gdal，代码行数:22，
示例18: ClearStatementOGRFeature *OGRMSSQLSpatialTableLayer::GetFeature( long nFeatureId ){ if( pszFIDColumn == NULL ) return OGRMSSQLSpatialLayer::GetFeature( nFeatureId ); ClearStatement(); iNextShapeId = nFeatureId; poStmt = new CPLODBCStatement( poDS->GetSession() ); CPLString osFields = BuildFields(); poStmt->Appendf( "select %s from %s where %s = %ld", osFields.c_str(), poFeatureDefn->GetName(), pszFIDColumn, nFeatureId ); if( !poStmt->ExecuteSQL() ) { delete poStmt; poStmt = NULL; return NULL; } return GetNextRawFeature();}
开发者ID:sylvainallard，项目名称:gdal，代码行数:24，
注：本文中的ClearStatement函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
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