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Reimplement NUMERIC datatype using base-10000 arithmetic; also improve

some of the algorithms for higher functions. I see about a factor of tenspeedup on the 'numeric' regression test, but it's unlikely that that testis representative of real-world applications.initdb forced due to change of on-disk representation for NUMERIC.

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6 files changed

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-948

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doc/src/sgml
- release.sgml
src
- backend/utils/adt
  - numeric.c
- include
  - catalog
    - catversion.h
  - utils
    - numeric.h
- test/regress/expected
  - aggregates.out
  - numeric.out

6 files changed

+1578

-948

lines changed

`‎doc/src/sgml/release.sgml`

Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`<!--`
`2`		`-$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.185 2003/02/05 17:41:32 tgl Exp $`
	`2`	`+$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.186 2003/03/21 01:58:04 tgl Exp $`
`3`	`3`	`-->`
`4`	`4`
`5`	`5`	`<appendix id="release">`
`@@ -24,6 +24,7 @@ CDATA means the content is "SGML-free", so you can write without`
`24`	`24`	`worries about funny characters.`
`25`	`25`	`-->`
`26`	`26`	`<literallayout><![CDATA[`
	`27`	`+Reimplementation of NUMERIC datatype for more speed`
`27`	`28`	`New regular expression package, many more regexp features (most of Perl5)`
`28`	`29`	`Can now do EXPLAIN ... EXECUTE to see plan used for a prepared query`
`29`	`30`	`Explicit JOINs no longer constrain query plan, unless JOIN_COLLAPSE_LIMIT = 1`

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Commitd72f6c7

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6 files changed

6 files changed

`‎doc/src/sgml/release.sgml`

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