SelectWithUnionQuery (children 2) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Function tuple (alias tuple) (children 1) ExpressionList (children 3) Identifier number Function nullIf (children 1) ExpressionList (children 2) Function modulo (children 1) ExpressionList (children 2) Identifier number Literal UInt64_3 Literal UInt64_0 Function toString (children 1) ExpressionList (children 1) Function nullIf (children 1) ExpressionList (children 2) Function modulo (children 1) ExpressionList (children 2) Identifier number Literal UInt64_2 Literal UInt64_0 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.numbers Literal UInt64_10 Identifier PrettyCompactNoEscapes