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Pass collations to functions in FunctionCallInfoData, not FmgrInfo.

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Since collation is effectively an argument, not a property of the function,
FmgrInfo is really the wrong place for it; and this becomes critical in
cases where a cached FmgrInfo is used for varying purposes that might need
different collation settings.  Fix by passing it in FunctionCallInfoData
instead.  In particular this allows a clean fix for bug #5970 (record_cmp
not working).  This requires touching a bit more code than the original
method, but nobody ever thought that collations would not be an invasive
patch...
This commit is contained in:
Tom Lane
2011-04-12 19:19:24 -04:00
parent 88543ecfec
commit d64713df7e
49 changed files with 552 additions and 418 deletions
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3
src/backend/commands/trigger.c
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@ -1822,7 +1822,8 @@ ExecCallTriggerFunc(TriggerData *trigdata,
/*
* Call the function, passing no arguments but setting a context.
*/
InitFunctionCallInfoData(fcinfo, finfo, 0, (Node *) trigdata, NULL);
InitFunctionCallInfoData(fcinfo, finfo, 0,
InvalidOid, (Node *) trigdata, NULL);
pgstat_init_function_usage(&fcinfo, &fcusage);