v.19.10New Feature
Support for Crc32 Function (with Behaviour Exactly as in Mysql or Php)
Support for crc32 function (with behaviour exactly as in MySQL or PHP). Do not use it if you need a hash function. #5661 (Remen Ivan)Why it matters
Provide acrc32 function that outputs checksums exactly matching those from MySQL and PHP, enabling compatibility for checksum verification and interoperability. This is not intended for hashing purposes.How to use it
Use thecrc32 function in your queries as follows:SELECT <code>crc32</code>(column_name) FROM table_name;Note: Use this function when you need a checksum compatible with MySQL or PHP implementations, but avoid it for cryptographic hashing or general hash function needs.