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In addition to the on-point reply by kennethk, it should be noted that MySQL does not implement the SQL:1999 feature for CTEs, including RECURSIVE expressions. This is a well-known bug/limitation (reported in 2006!) and there appears little interest in fixing it upstream.

While CTEs don't appear to be overly beneficial for this problem in terms of SQL input safety, lack of this support is certainly a drawback for those using or considering MySQL as a platform. Given that every other major RDBMS supports CTEs, "Buyer Beware."


In reply to Re^4: DBI parameterized database query with comma seperated list by Apero
in thread DBI parameterized database query with comma seperated list by mg9176

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