pgsql: Doc: explain that LIKE et al can be used in ANY (sub-select) etc

Doc: explain that LIKE et al can be used in ANY (sub-select) etc.

This wasn't stated anywhere, and it's perhaps not that obvious,
since we get questions about it from time to time. Also undocumented
was that the parser actually translates these into operators.

Discussion: /messages/by-id/CAFj8pRBkvZ71BqGKZnBBG4=0cKG+s50Dy+DYmrizUKEpAtdc+w@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/fe604800681aed8228fbe67d2e175d6822c66ea2

Modified Files
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doc/src/sgml/func.sgml | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)