SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 2) Identifier name Identifier status TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.dictionaries Function equals (children 1) ExpressionList (children 2) Identifier database Literal \'test_01191\'