SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Identifier id TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 2) Function remote (children 1) ExpressionList (children 3) Literal \'127.0.0.{1,3}\' Function currentDatabase (children 1) ExpressionList Identifier sample_prewhere SampleRatio 1 Function equals (children 1) ExpressionList (children 2) Function toDateTime (children 1) ExpressionList (children 1) Identifier time Literal \'2019-07-20 00:00:00\'