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Implement an API to let foreign-data wrappers actually be functional.

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This commit provides the core code and documentation needed.  A contrib
module test case will follow shortly.

Shigeru Hanada, Jan Urbanski, Heikki Linnakangas
This commit is contained in:
Tom Lane
2011-02-20 00:17:18 -05:00
parent d5813488a4
commit bb74240794
39 changed files with 1202 additions and 62 deletions
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src/include/fmgr.h
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@@ -488,6 +488,7 @@ extern Datum FunctionCall9(FmgrInfo *flinfo, Datum arg1, Datum arg2,
* by FunctionCallN(). If the same function is to be invoked repeatedly,
* do the FunctionLookup() once and then use FunctionCallN().
*/
extern Datum OidFunctionCall0(Oid functionId);
extern Datum OidFunctionCall1(Oid functionId, Datum arg1);
extern Datum OidFunctionCall2(Oid functionId, Datum arg1, Datum arg2);
extern Datum OidFunctionCall3(Oid functionId, Datum arg1, Datum arg2,