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Create AVG() aggregates for int8 and NUMERIC which do not compute X^2,

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as a performance enhancement.

Mark Kirkwood
This commit is contained in:
Bruce Momjian
2007-02-17 00:55:58 +00:00
parent 72a070a365
commit 89a624439e
7 changed files with 84 additions and 17 deletions
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4
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.287 2007/01/28 16:16:54 neilc Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.288 2007/02/17 00:55:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -841,9 +841,11 @@ extern Datum numeric_float4(PG_FUNCTION_ARGS);
extern Datum text_numeric(PG_FUNCTION_ARGS);
extern Datum numeric_text(PG_FUNCTION_ARGS);
extern Datum numeric_accum(PG_FUNCTION_ARGS);
extern Datum numeric_avg_accum(PG_FUNCTION_ARGS);
extern Datum int2_accum(PG_FUNCTION_ARGS);
extern Datum int4_accum(PG_FUNCTION_ARGS);
extern Datum int8_accum(PG_FUNCTION_ARGS);
extern Datum int8_avg_accum(PG_FUNCTION_ARGS);
extern Datum numeric_avg(PG_FUNCTION_ARGS);
extern Datum numeric_var_pop(PG_FUNCTION_ARGS);
extern Datum numeric_var_samp(PG_FUNCTION_ARGS);