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Add postgres_fdw contrib module.

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There's still a lot of room for improvement, but it basically works,
and we need this to be present before we can do anything much with the
writable-foreign-tables patch.  So let's commit it and get on with testing.

Shigeru Hanada, reviewed by KaiGai Kohei and Tom Lane
This commit is contained in:
Tom Lane
2013-02-21 05:26:23 -05:00
parent f435cd1d38
commit d0d75c4022
28 changed files with 4840 additions and 56 deletions
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8
src/backend/foreign/foreign.c
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@ -485,11 +485,15 @@ is_conninfo_option(const char *option, Oid context)
/*
* Validate the generic option given to SERVER or USER MAPPING.
* Raise an ERROR if the option or its value is considered
* invalid.
* Raise an ERROR if the option or its value is considered invalid.
*
* Valid server options are all libpq conninfo options except
* user and password -- these may only appear in USER MAPPING options.
*
* Caution: this function is deprecated, and is now meant only for testing
* purposes, because the list of options it knows about doesn't necessarily
* square with those known to whichever libpq instance you might be using.
* Inquire of libpq itself, instead.
*/
Datum
postgresql_fdw_validator(PG_FUNCTION_ARGS)