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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/optimizer/cost.h
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@@ -127,6 +127,7 @@ extern void set_function_size_estimates(PlannerInfo *root, RelOptInfo *rel);
extern void set_values_size_estimates(PlannerInfo *root, RelOptInfo *rel);
extern void set_cte_size_estimates(PlannerInfo *root, RelOptInfo *rel,
Plan *cteplan);
extern void set_foreign_size_estimates(PlannerInfo *root, RelOptInfo *rel);
/*
* prototypes for clausesel.c