Tom Lane bec98a31c5 Revise aggregate functions per earlier discussions in pghackers. ... There's now only one transition value and transition function. NULL handling in aggregates is a lot cleaner. Also, use Numeric accumulators instead of integer accumulators for sum/avg on integer datatypes --- this avoids overflow at the cost of being a little slower. Implement VARIANCE() and STDDEV() aggregates in the standard backend. Also, enable new LIKE selectivity estimators by default. Unrelated change, but as long as I had to force initdb anyway...		2000-07-17 03:05:41 +00:00
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buffer	Mark functions as static and ifdef NOT_USED as appropriate.	2000-06-08 22:38:00 +00:00
file	Fix typo (extraneous semicolon) in fd.c patch to avoid excess seeks.	2000-07-05 21:10:05 +00:00
ipc	Repair parallel make in backend tree (and make it really parallel).	2000-07-13 16:07:14 +00:00
large_object	Cleanup of code for creating index entries. Functional indexes with	2000-07-14 22:18:02 +00:00
lmgr	Revise aggregate functions per earlier discussions in pghackers.	2000-07-17 03:05:41 +00:00
page	heap' logging	2000-07-03 02:54:21 +00:00
smgr	Revise aggregate functions per earlier discussions in pghackers.	2000-07-17 03:05:41 +00:00
Makefile	Repair parallel make in backend tree (and make it really parallel).	2000-07-13 16:07:14 +00:00