database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-14 08:21:07 +03:00
Code Activity

SQL2003-standard statistical aggregates, by Sergey Koposov. I've added only

Browse Source 
the float8 versions of the aggregates, which is all that the standard requires.
Sergey's original patch also provided versions using numeric arithmetic,
but given the size and slowness of the code, I doubt we ought to include
those in core.
This commit is contained in:
Tom Lane
2006-07-28 18:33:04 +00:00
parent 0fd087af83
commit 1249cf8f38
12 changed files with 880 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/include/utils/builtins.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.280 2006/07/21 20:51:33 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.281 2006/07/28 18:33:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -348,6 +348,18 @@ extern Datum float8_var_pop(PG_FUNCTION_ARGS);
extern Datum float8_var_samp(PG_FUNCTION_ARGS);
extern Datum float8_stddev_pop(PG_FUNCTION_ARGS);
extern Datum float8_stddev_samp(PG_FUNCTION_ARGS);
extern Datum float8_regr_accum(PG_FUNCTION_ARGS);
extern Datum float8_regr_sxx(PG_FUNCTION_ARGS);
extern Datum float8_regr_syy(PG_FUNCTION_ARGS);
extern Datum float8_regr_sxy(PG_FUNCTION_ARGS);
extern Datum float8_regr_avgx(PG_FUNCTION_ARGS);
extern Datum float8_regr_avgy(PG_FUNCTION_ARGS);
extern Datum float8_covar_pop(PG_FUNCTION_ARGS);
extern Datum float8_covar_samp(PG_FUNCTION_ARGS);
extern Datum float8_corr(PG_FUNCTION_ARGS);
extern Datum float8_regr_r2(PG_FUNCTION_ARGS);
extern Datum float8_regr_slope(PG_FUNCTION_ARGS);
extern Datum float8_regr_intercept(PG_FUNCTION_ARGS);
extern Datum float48pl(PG_FUNCTION_ARGS);
extern Datum float48mi(PG_FUNCTION_ARGS);
extern Datum float48mul(PG_FUNCTION_ARGS);