oracle provider: fix geometry type/srid detection for queries

Author: jef-n

src/providers/oracle/ocispatial/qsql_ocispatial.cpp

@@ -3075,7 +3075,18 @@ int QOCISpatialResult::numRowsAffected()
 bool QOCISpatialResult::prepare( const QString& query )
 {
   ENTER
-  qDebug() << "prepare(" << query << ")";
+
+  static int sDebugLevel = -1;
+  if ( sDebugLevel < 0 )
+  {
+    if ( getenv( "QGIS_DEBUG" ) )
+      sDebugLevel = atoi( getenv( "QGIS_DEBUG" ) );
+    else
+      sDebugLevel = 0;
+  }
+
+  if ( sDebugLevel >= 4 )
+    qDebug() << "prepare(" << query << ")";
 
   int r = 0;
   QSqlResult::prepare( query );

src/providers/oracle/qgsoracleprovider.cpp

@@ -2219,23 +2219,27 @@ bool QgsOracleProvider::getGeometryDetails()
   if ( detectedType == QGis::WKBUnknown || detectedSrid <= 0 )
   {
     QgsOracleLayerProperty layerProperty;
-    layerProperty.ownerName = ownerName;
-    layerProperty.tableName = tableName;
-    layerProperty.geometryColName = mGeometryColumn;
-    layerProperty.types << detectedType;
-    layerProperty.srids << detectedSrid;
 
-    QString delim = "";
-
-    if ( !mSqlWhereClause.isEmpty() )
+    if ( !mIsQuery )
     {
-      layerProperty.sql += delim + "(" + mSqlWhereClause + ")";
-      delim = " AND ";
-    }
+      layerProperty.ownerName = ownerName;
+      layerProperty.tableName = tableName;
+      layerProperty.geometryColName = mGeometryColumn;
+      layerProperty.types << detectedType;
+      layerProperty.srids << detectedSrid;
+
+      QString delim = "";
 
-    mConnection->retrieveLayerTypes( layerProperty, mUseEstimatedMetadata, false );
+      if ( !mSqlWhereClause.isEmpty() )
+      {
+        layerProperty.sql += delim + "(" + mSqlWhereClause + ")";
+        delim = " AND ";
+      }
+
+      mConnection->retrieveLayerTypes( layerProperty, mUseEstimatedMetadata, false );
 
-    Q_ASSERT( layerProperty.types.size() == layerProperty.srids.size() );
+      Q_ASSERT( layerProperty.types.size() == layerProperty.srids.size() );
+    }
 
     if ( layerProperty.types.isEmpty() )
     {