current_database() – Returns the current database. Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.CurrentDatabase More functions can

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.