AutoCAD Map 3D 2009 Geospatial Platform Reference
From AutoCAD Map 3D Geospatial Platform API
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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
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virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, string sqlStatement);
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Java Syntax
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virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, String sqlStatement);
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PHP Syntax
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virtual MgSqlDataReader ExecuteSqlQuery(MgResourceIdentifier resource, string sqlStatement);
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- Parameters:
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| 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:
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