pyspark.sql.functions.sha2¶
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pyspark.sql.functions.sha2(col, numBits)[source]¶ Returns the hex string result of SHA-2 family of hash functions (SHA-224, SHA-256, SHA-384, and SHA-512). The numBits indicates the desired bit length of the result, which must have a value of 224, 256, 384, 512, or 0 (which is equivalent to 256).
New in version 1.5.0.
Examples
>>> digests = df.select(sha2(df.name, 256).alias('s')).collect() >>> digests[0] Row(s='3bc51062973c458d5a6f2d8d64a023246354ad7e064b1e4e009ec8a0699a3043') >>> digests[1] Row(s='cd9fb1e148ccd8442e5aa74904cc73bf6fb54d1d54d333bd596aa9bb4bb4e961')