Bug 123915 Add table-fetch limitation when DataSet Editor is populating table names.
When fetch table names from database of large volume of data, there lies a possibility that the editor window will be frozen because of the population of huge number of table names. This should be enhanced. A handy solution might be limiting the number of table names being fetched each schema.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
*
	 */
	protected void initJdbcInfo()
	{
		createMetaDataProvider( );
		prevDataSourceHandle = (OdaDataSourceHandle) ((OdaDataSetHandle) getContainer( ).getModel( )).getDataSource();
		jdbcConnection = connectMetadataProvider( metaDataProvider, prevDataSourceHandle);
		
		validConnection = (jdbcConnection == null) ? false: true; 
		
		try
		{
			if ( jdbcConnection != null )
			{
				
				
				isSchemaSupported = metaDataProvider.isSchemaSupported();
 
			}
		}
		catch(Exception e)
		{
			ExceptionHandler.handle( e );
		}
	}
	/**
	 *  Create Metadata Provider
	 */
	protected void createMetaDataProvider( )
	{