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Updates to the VACUUM documentation. Ticket #2257. (CVS 3728)

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FossilOrigin-Name: c61c97c978dab7535c94033631f5ad2355c55057
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drh 2007-03-27 15:00:30 +00:00
parent fdbcdee5ff
commit 8ef6eff4a5
3 changed files with 21 additions and 13 deletions
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12
manifest
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C The\s-DSQLITE_OMIT_ATTACH=1\soption\snow\somits\sboth\sthe\sATTACH\sand\sVACUUM\r\ncommands.\sTicket\s#2268.\r\n\sThe\sregression\stest\ssuite\sdepends\son\sboth\sof\sthese\scommands\r\nand\swill\snot\srun\sif\scompiled\swith\sthis\soption.\s(CVS\s3727)
D 2007-03-27T14:44:51
C Updates\sto\sthe\sVACUUM\sdocumentation.\s\sTicket\s#2257.\s(CVS\s3728)
D 2007-03-27T15:00:31
F Makefile.in 1fe3d0b46e40fd684e1e61f8e8056cefed16de9f
F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@ -420,7 +420,7 @@ F www/fullscanb.gif f7c94cb227f060511f8909e10f570157263e9a25
F www/index-ex1-x-b.gif f9b1d85c3fa2435cf38b15970c7e3aa1edae23a3
F www/index.tcl 688cf1280232f4964d8d07fda65e166a4b2e16cc
F www/indirect1b1.gif adfca361d2df59e34f9c5cac52a670c2bfc303a1
F www/lang.tcl d449e4dc2518e334baf73fdececeafff041510b5
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F www/lockingv3.tcl e52345bd20323bef6146bfce18ae0829b2b7c87d
F www/mingw.tcl d96b451568c5d28545fefe0c80bee3431c73f69c
F www/nulls.tcl ec35193f92485b87b90a994a01d0171b58823fcf
@ -442,7 +442,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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cbebfb89603044e48b3a87b79d1eefbbc5b4c8a5
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www/lang.tcl
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#
# Run this Tcl script to generate the lang-*.html files.
#
set rcsid {$Id: lang.tcl,v 1.126 2007/03/17 18:22:58 drh Exp $}
set rcsid {$Id: lang.tcl,v 1.127 2007/03/27 15:00:31 drh Exp $}
source common.tcl
if {[llength $argv]>0} {
@ -1889,15 +1889,23 @@ The VACUUM command cleans
the main database by copying its contents to a temporary database file and
reloading the original database file from the copy. This eliminates
free pages, aligns table data to be contiguous, and otherwise cleans
up the database file structure. It is not possible to perform the same
process on an attached database file.</p>
up the database file structure.</p>
<p>This command will fail if there is an active transaction. This
command has no effect on an in-memory database.</p>
<p>VACUUM only works on the main database.
It is not possible to VACUUM an attached database file.</p>
<p>The VACUUM command will fail if there is an active transaction.
The VACUUM command is a no-op for in-memory databases.</p>
<p>As of SQLite version 3.1, an alternative to using the VACUUM command
is auto-vacuum mode, enabled using the
<a href="pragma.html#pragma_auto_vacuum">auto_vacuum pragma</a>.</p>
<a href="pragma.html#pragma_auto_vacuum">auto_vacuum pragma</a>.
When auto-vacuum is enabled for a database, large deletes cause
the size of the database file to shrink. However, auto-vacuum
also causes excess fragmentation of the database file. And auto-vacuum
does not compact partially filled pages of the database as VACUUM
does.
</p>
}
# A list of keywords. A asterisk occurs after the keyword if it is on