CreateQuery t_with_dots (children 3) Identifier t_with_dots Columns definition (children 1) ExpressionList (children 4) ColumnDeclaration id (children 1) DataType UInt32 ColumnDeclaration arr (children 1) DataType Array (children 1) ExpressionList (children 1) DataType UInt32 ColumnDeclaration b.id (children 1) DataType UInt32 ColumnDeclaration b.arr (children 1) DataType Array (children 1) ExpressionList (children 1) DataType UInt32 Storage definition (children 3) Function MergeTree Identifier id Set