CreateQuery morton_numbers_2_02457 (children 3) Identifier morton_numbers_2_02457 Columns definition (children 1) ExpressionList (children 4) ColumnDeclaration n1 (children 1) DataType UInt64 ColumnDeclaration n2 (children 1) DataType UInt64 ColumnDeclaration n3 (children 1) DataType UInt64 ColumnDeclaration n4 (children 1) DataType UInt64 Storage definition (children 3) Function MergeTree (children 1) ExpressionList Identifier n1 Set