CreateQuery t2 (children 3) Identifier t2 Columns definition (children 1) ExpressionList (children 3) ColumnDeclaration s (children 1) DataType String ColumnDeclaration x (children 1) DataType Array (children 1) ExpressionList (children 1) DataType UInt8 ColumnDeclaration k (children 1) DataType UInt64 Storage definition (children 1) Function Join (children 1) ExpressionList (children 3) Identifier ANY Identifier LEFT Identifier k