virtual MgSqlDataReader* MgFeatureService::ExecuteSqlQuery	(	MgResourceIdentifier *	resource,
		CREFSTRING	sqlStatement
	)		[pure virtual]

Executes the SQL SELECT statement on the specified feature source.

Remarks:

The XML returned by MgFeatureService::GetCapabilities says whether a provider supports SQL commands. See Provider Capabilities .

.NET Syntax

virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, string sqlStatement);

Java Syntax

virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, String sqlStatement);

PHP Syntax

virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, string sqlStatement);

Parameters:

resource	(MgResourceIdentifier) A resource identifier referring to a feature source.
sqlStatement	(String/string) The SQL SELECT statement.

Returns:

Returns an MgSqlDataReader instance (or NULL).

Note:

If any statement other than SELECT is passed to this method, it will throw an MgFdoException.

Example (PHP)

 $sql = "select featid,abyte from featclass where featid = 0";
 $sqlDataReader = $featureService->ExecuteSqlQuery($activeFeatSrcResId, $sql);

Exceptions:

MgFeatureServiceException
MgInvalidArgumentException
MgInvalidOperationException
MgFdoException