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
*/
	private void getAvailableSchema()
	{
		if (isSchemaSupported)
		{
			ResultSet schemas = metaDataProvider.getAllSchema();
			schemaList = createSchemaList( schemas );
		}
	}
	
	protected void populateTableList( String schemaName ,TreeItem schemaTreeItem )
	{
		if(schemaTreeItem!=null)
		{
			removeTreeItem( schemaTreeItem );
		}
		String namePattern = null;
		String[] tableType = null;
		cachedSearchTxt = searchTxt.getText();	
		namePattern = getTailoredSearchText( searchTxt.getText() );
		  
		String dbtype = getSelectedDbType( );
		cachedDbType = dbtype;
		if ( dbtype != null )
		{
			if ( DbType.TABLE_STRING.equalsIgnoreCase( dbtype )
					|| DbType.VIEW_STRING.equalsIgnoreCase( dbtype ) )
			{
				tableType = new String[]{
					dbtype