@Override
    public String getConfiguredDocumentPartitioning(ISourceViewer sourceViewer) {
        return SQLParserPartitions.SQL_PARTITIONING;
    }
Returns the configured partitioning for the given source viewer. The partitioning is
used when the querying content types from the source viewer's input document.

@see org.eclipse.jface.text.source.SourceViewerConfiguration#getConfiguredDocumentPartitioning(org.eclipse.jface.text.source.ISourceViewer)
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorSourceViewerConfiguration.java