Thierry FOURNIER
2694a1a3c8
MINOR: lua: fetches and converters can return an empty string in place of nil
...
In some cases we don't want to known if a fetch or converter
fails. We just want a valid string. After this patch, we
have two sets of fetches and two sets of converters. There are:
txn.f, txn.sf, txn.c, txn.sc. The version prefixed by 's' always
returns strings for any type, and returns an empty string in the
error case or when the data are not available. This is particularly
useful when manipulating headers or cookies.
2015-03-11 20:26:49 +01:00
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