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Use abbreviated keys for faster sorting of numeric datums.

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Andrew Gierth, reviewed by Peter Geoghegan, with further tweaks by me.
This commit is contained in:
Robert Haas
2015-04-02 14:02:55 -04:00
parent 00ee6c7672
commit abd94bcac4
7 changed files with 467 additions and 4 deletions
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src/include/utils/builtins.h
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@@ -978,6 +978,7 @@ extern Datum numeric_round(PG_FUNCTION_ARGS);
extern Datum numeric_trunc(PG_FUNCTION_ARGS);
extern Datum numeric_ceil(PG_FUNCTION_ARGS);
extern Datum numeric_floor(PG_FUNCTION_ARGS);
extern Datum numeric_sortsupport(PG_FUNCTION_ARGS);
extern Datum numeric_cmp(PG_FUNCTION_ARGS);
extern Datum numeric_eq(PG_FUNCTION_ARGS);
extern Datum numeric_ne(PG_FUNCTION_ARGS);