Ron Peterson <[EMAIL PROTECTED]> writes:
> Anyone have any tips for an earnest aspiring but somewhat befuddled
> PostgreSQL acolyte as to what's required to program (in C) a 'like'
> operator for a user defined type?
Well, you could look at the existing code which is in
src/backend/utils/adt/like.c
src/backend/utils/adt/like_match.c
The text variant is a bit obfuscated because it tries to support
both case-sensitive and case-insensitive matching with only one
set of code --- the bytea variant might be easier to follow.
regards, tom lane
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