danielk1977
b3bf556ef6
Store collation sequence names instead of pointers in sharable schema data structures. (CVS 2904)
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FossilOrigin-Name: 0f0213be4d064b3d24e31ff93ec16f6862003d26
2006-01-10 17:58:23 +00:00
danielk1977
e501b89ada
Rename DbSchema to "Schema" and SqliteTsd to "ThreadData". (CVS 2893)
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FossilOrigin-Name: 82b81f69c78cb3f54634d9aea4f6a838474dc5e5
2006-01-09 06:29:47 +00:00
drh
15007a99e4
Get LIMIT and OFFSET working again for negative limits and offsets.
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Ticket #1586 . (CVS 2889)
FossilOrigin-Name: b2ac0be07ec76ab23b7e5b800c0bc62d0bc97f4b
2006-01-08 18:10:17 +00:00
danielk1977
c00da10565
In shared-cache mode, lock all required tables before beginning to execute the body of the statement program. (CVS 2881)
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FossilOrigin-Name: 23b587b05b89727248805e6d9e5141e018cf2152
2006-01-07 13:21:04 +00:00
danielk1977
da18423620
Add the shared schema/pager modifications. Very few tests so far. (CVS 2859)
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FossilOrigin-Name: deeda0dc06c1595aedd8d06a0c4e88a8abf78cf7
2006-01-05 11:34:32 +00:00
drh
8a51256c0c
Create separate affinities for INTEGER and REAL. (CVS 2766)
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FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
2005-11-14 22:29:05 +00:00
drh
8df447f0e6
Omit the SQLITE_AFF_INTEGER type affinity. All numeric values are now
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of type real, though an integer representation is still sometimes used
internally for efficiency. (CVS 2753)
FossilOrigin-Name: e0d6f61c7de2c03b8fd17ef37cf1a0add36ee618
2005-11-01 15:48:24 +00:00
drh
d654be803f
Code cleanup and simplification. Three new Mem opcodes added.
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The sqlite3VdbeJumpHere function added. (CVS 2730)
FossilOrigin-Name: 2471957feee57538e5e1e50a704a337f0927d10e
2005-09-20 17:42:23 +00:00
drh
0c35667b02
The shell does not output the sqlite_stat1 table on .dump or .schema.
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The ANALYZE command now gathers statistics on tables that have only
a single index because this sometimes helps when reordering tables
in a join. (CVS 2686)
FossilOrigin-Name: 26565b8931419031f9a8dd3947e1e2bd23ccbff2
2005-09-10 22:40:53 +00:00
drh
1ec43c9a5a
Fix ANALYZE so that it works even if the empty_result_callbacks pragma is
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enabled. Ticket #1409 . (CVS 2659)
FossilOrigin-Name: bfdaef1224d741deefe211e1e607bac4c80f2d89
2005-09-06 10:26:47 +00:00
drh
51147baa6d
A new optimizer that breaks a lot of tests. But none of them critically, I
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think. Nevertheless, there is a lot of work ahead to stabilize the code. (CVS 2564)
FossilOrigin-Name: 86ce56ccea8297b1fba2b9ee53b5f1a3f228662f
2005-07-23 22:59:55 +00:00
drh
17a18f2f36
Store the total number of rows as part of the ANALYZE statistics. (CVS 2563)
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FossilOrigin-Name: 868279c78e056d27b2d1bea81127fe689b2ce478
2005-07-23 14:52:12 +00:00
drh
497e446d76
The results of ANALYZE are now loaded into internal data structures where
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they can be used. But they are not actually used yet. (CVS 2562)
FossilOrigin-Name: 1996bacfb97180965304e2a6d6784b6ecbbf8575
2005-07-23 03:18:40 +00:00
drh
e6e049694d
Full-coverage testing and documentation for the ANALYZE command. The
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results of analysis are still not loaded or used, however. (CVS 2561)
FossilOrigin-Name: bd7583a5d63412785a9c5de54d25b509da241605
2005-07-23 02:17:03 +00:00
drh
ff2d5ea408
First code for the ANALYZE command. Mostly untested. The analysis is
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not loaded into the symbol tables and is not used by the optimizer. (CVS 2560)
FossilOrigin-Name: a4886b114d2ccb3841d3d219f6b97f67745b13c2
2005-07-23 00:41:48 +00:00
drh
9f18e8a0c4
Add infrastructure for the ANALYZE command. Does not yet actually
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do anything. (CVS 2537)
FossilOrigin-Name: 05b6ac9a76fd5765c50e81588f8e71c59fe35ce4
2005-07-08 12:13:04 +00:00
