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: ClearStatement
OGRErr 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，代码来源:ogrsqliteselectlayer.cpp
示例2: ClearStatement
OGRErr 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，代码来源:ogrsqlitetablelayer.cpp
示例3: ClearStatement
OGRFeature *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，代码来源:ogrwalktablelayer.cpp
示例4: ClearStatement
OGRSQLiteViewLayer::~OGRSQLiteViewLayer()
{
ClearStatement();
CPLFree(pszEscapedTableName);
CPLFree(pszEscapedUnderlyingTableName);
}
开发者ID:agrismart，项目名称:gdal-1.9.2，代码行数:7，代码来源:ogrsqliteviewlayer.cpp
示例5: ClearStatement
void OGRDB2SelectLayer::ResetReading()
{
if( iNextShapeId != 0 )
ClearStatement();
OGRDB2Layer::ResetReading();
}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:8，代码来源:ogrdb2selectlayer.cpp
示例6: ClearStatement
void OGRGeomediaSelectLayer::ResetReading()
{
if( iNextShapeId != 0 )
ClearStatement();
OGRGeomediaLayer::ResetReading();
}
开发者ID:OSGeo，项目名称:gdal，代码行数:8，代码来源:ogrgeomediaselectlayer.cpp
示例7: ClearStatement
void OGRMSSQLSpatialSelectLayer::ResetReading()
{
if( iNextShapeId != 0 )
ClearStatement();
OGRMSSQLSpatialLayer::ResetReading();
}
开发者ID:koordinates，项目名称:gdal，代码行数:8，代码来源:ogrmssqlspatialselectlayer.cpp
示例8: CPLFree
OGRODBCTableLayer::~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，代码来源:ogrodbctablelayer.cpp
示例9: CPLFree
OGRMSSQLSpatialTableLayer::~OGRMSSQLSpatialTableLayer()
{
CPLFree( pszTableName );
CPLFree( pszSchemaName );
CPLFree( pszQuery );
ClearStatement();
}
开发者ID:sylvainallard，项目名称:gdal，代码行数:9，代码来源:ogrmssqlspatialtablelayer.cpp
示例10: ResetStatement
OGRFeature *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，代码来源:ogrgeopackagelayer.cpp
示例11: EQUAL
OGRErr 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，代码来源:ogrgeomediatablelayer.cpp
示例12: EQUAL
OGRErr 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，代码来源:ogrmssqlspatialtablelayer.cpp
示例13: CPLFree
OGRErr 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，代码来源:ogrpgeotablelayer.cpp
示例14: CPLFree
OGRErr 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，代码来源:ogrodbctablelayer.cpp
示例15: GetLayerDefn
OGRErr 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，代码来源:ogrmssqlspatialtablelayer.cpp
示例16: ClearStatement
OGRErr 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，代码来源:ogrodbctablelayer.cpp
示例17: ClearStatement
OGRErr 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，代码来源:ogrpgeotablelayer.cpp
示例18: ClearStatement
OGRFeature *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，代码来源:ogrmssqlspatialtablelayer.cpp
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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