Module expr_fn

datafusion_spark::function::hash

Module expr_fn

Functions§

crc32: crc32(expr) - Returns a cyclic redundancy check value of the expr as a bigint.
sha1: sha1(expr) - Returns a SHA-1 hash value of the expr as a hex string.
sha2: sha2(expr, bitLength) - Returns a checksum of SHA-2 family as a hex string of expr. SHA-224, SHA-256, SHA-384, and SHA-512 are supported. Bit length of 0 is equivalent to 256.