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In CREATE CONVERSION, test that the given function is a valid conversion

author Heikki Linnakangas <heikki.linnakangas@iki.fi>

2009年2月27日 16:35:26 +0000 (16:35 +0000)

committer Heikki Linnakangas <heikki.linnakangas@iki.fi>

2009年2月27日 16:35:26 +0000 (16:35 +0000)

commit 5c4ca3b6321794ab95487a6a6ebc23af150bf9e9

tree cc2fce1ee6337f3f0dae5bfe98b6145d25a29c8c tree

parent 92fc8b41e51425773a8947bd9da5cd671a83d238 commit | diff

In CREATE CONVERSION, test that the given function is a valid conversion
function for the specified source and destination encodings. We do that by
calling the function with an empty string. If it can't perform the requested
conversion, it will throw an error.

Backport to 7.4 - 8.3. Per bug report #4680 by Denis Afonin.

src/backend/commands/conversioncmds.c diff | blob | blame | history

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