CreateQuery constCondOptimization (children 3) Identifier constCondOptimization Columns definition (children 1) ExpressionList (children 3) ColumnDeclaration d (children 2) DataType Date Function today (children 1) ExpressionList ColumnDeclaration time (children 2) DataType DateTime Function now (children 1) ExpressionList ColumnDeclaration n (children 1) DataType Int64 Storage definition (children 3) Function MergeTree Function tuple (children 1) ExpressionList (children 2) Identifier time Identifier n Set