SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 2) Literal \'2001:0DB8:AC10:FE01:FEED:BABE:CAFE:F00D is ipv6 string: \' Function isIPv6String (children 1) ExpressionList (children 1) Literal \'2001:0DB8:AC10:FE01:FEED:BABE:CAFE:F00D\'