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current_date() – Returns the current date at the start of query evaluation. Platforms: WhereOS, Spark,

current_timestamp() – Returns the current timestamp at the start of query evaluation. Platforms: WhereOS, Spark,

crc32(expr) – Returns a cyclic redundancy check value of the `expr` as a bigint. Platforms:

cube([col1[, col2 ..]]) – create a multi-dimensional cube using the specified columns so that we

cume_dist() – Computes the position of a value relative to all values in the partition.

covar_pop(expr1, expr2) – Returns the population covariance of a set of number pairs. Platforms: WhereOS,