InsertQuery (children 2) Identifier prewhere SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 2) Literal UInt64_0 Function randomPrintableASCII (children 1) ExpressionList (children 1) Literal UInt64_10000 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_10000