CreateQuery ttl_00933_1 (children 3) Identifier ttl_00933_1 Columns definition (children 1) ExpressionList (children 3) ColumnDeclaration d (children 1) DataType DateTime ColumnDeclaration a (children 1) DataType Int ColumnDeclaration b (children 1) DataType Int Storage definition (children 5) Function MergeTree Function tuple (children 1) ExpressionList Function toDate (children 1) ExpressionList (children 1) Identifier d ExpressionList (children 1) TTLElement (children 1) Function plus (children 1) ExpressionList (children 2) Identifier d Function toIntervalSecond (children 1) ExpressionList (children 1) Literal UInt64_1 Set