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392 Commits

Author SHA1 Message Date
drh
cabb081971 Do not put a write lock on the main database file when writing to a temporary 
table. (CVS 750)

FossilOrigin-Name: 3f253afe15d4f7392555f340a41d780d1248087f
 2002-09-14 13:47:32 +00:00
drh
26b3e1bc06 Fix an assertion failure that occurs when attempting to delete all rows of 
a table while the "count_changes" pragma is turned on.  Up the version number
to 2.6.1. (CVS 690)

FossilOrigin-Name: 612df004017b241651074ee859096dd0ee5062b8
 2002-07-19 18:52:40 +00:00
drh
491791a827 Fix for ticket #107: Fix a design defect in indices that was causing queries 
to fail when using an index on a column containing an empty string.  This
fix is an incompatible file-format change. (CVS 681)

FossilOrigin-Name: 20d152fcddb4fa53556a9c93c7a869600a7c5183
 2002-07-18 00:34:09 +00:00
drh
38640e15af All the code is now in place for SQLite to distinguish between NUMERIC and 
TEXT datatypes.  Still need to turn on the new code and test it. (CVS 659)

FossilOrigin-Name: b4737a16c997a6c139d616211fb6bc4b0fae181c
 2002-07-05 21:42:36 +00:00
drh
e31847449e The query optimizer now attempts to satisfy an ORDER BY clause using 
an index.  Sorting is still used if there are no suitable indices. (CVS 628)

FossilOrigin-Name: f09e19b43ef61073713cf32282c90ea666229eba
 2002-06-19 14:27:05 +00:00
danielk1977
6f34903e85 Add RAISE() function, which allows more advanced flow-control in trigger programs (ticket #55) (CVS 614) 
FossilOrigin-Name: d4a2fb10067203a0d49317db747759872e62927e
 2002-06-11 02:25:40 +00:00
drh
ad3cab52fe Split the IdList structure into IdList and SrcList. SrcList is used to 
represent a FROM clause and IdList is used for everything else.  This change
allows SrcList to grow to support outer joins without burdening the other
uses of IdList. (CVS 584)

FossilOrigin-Name: a167b71d8c27e870bc3079c6132e483bffc83298
 2002-05-24 02:04:32 +00:00
drh
07d6e3a74c Partial fix for ticket #49. The correct result is computed, but now we have 
a memory leak.  I'm not sure if the memory leak was pre-existing or a result
of this change. (CVS 581)

FossilOrigin-Name: 4d27ee411902a197cd72416ca9da9197d3f87f13
 2002-05-23 12:50:18 +00:00
drh
c977f7f596 Additional code cleanup resulting from a review of the new trigger code. (CVS 572) 
FossilOrigin-Name: 37dbdd551e88440933066133ec9cc1e10b03fc1a
 2002-05-21 11:38:11 +00:00
danielk1977
f29ce55958 Style fixes to triggers code in various *.c files (partial fix to ticket #39) (CVS 571) 
FossilOrigin-Name: 8a4195c7466962291a296e8f53034ea8cb25005f
 2002-05-19 23:43:12 +00:00
drh
9adf9ac4e4 Remove all tabs from the beginning of source code lines. Replace tabs with 
the appropriate number of spaces. (CVS 565)

FossilOrigin-Name: 690f9a163173c4c7af7e8e92e942cee4184c7974
 2002-05-15 11:44:13 +00:00
danielk1977
c3f9bad209 Added FOR EACH ROW triggers functionality (CVS 562) 
FossilOrigin-Name: 794bf67b6b36fce8854d5daff12f21dbb943240c
 2002-05-15 08:30:12 +00:00
drh
c8d30ac109 Fix for bug #15: Add the sqlite_changes() API function for retrieving the 
number of rows that changed in the previous operation. (CVS 526)

FossilOrigin-Name: 6e71493b9dc77d508c3ce90562766789e87e6d80
 2002-04-12 10:08:59 +00:00
drh
417be79cd1 VIEWs are bound to tables when they are used, not when they are first 
entered.  This works around the problem of what to do if a table is deleted
that a view refers to. (CVS 415)

FossilOrigin-Name: 6121e5ab9328c90c64d40ade3de73ad11d4aaf4e
 2002-03-03 18:59:40 +00:00
drh
832508b7ea Subquery flattening is implemented and passes all regression tests. 
We still need to add addition tests to the suite to further exercise
the flattener, however. (CVS 408)

FossilOrigin-Name: d5d3e79cc58da5bd315cc1fea1f7cbf46274da16
 2002-03-02 17:04:07 +00:00
drh
a76b5dfca6 Code to implement CREATE VIEW is in place. A quick smoke test shows that 
it works, but there are probably still many bugs. (CVS 387)

FossilOrigin-Name: 39fed2df11382b9855d518502a6c2ca200fa66b8
 2002-02-23 02:32:10 +00:00
drh
1c92853dac Change to five conflict resolution algorithms: ROLLBACK, ABORT, FAIL, 
IGNORE, and REPLACE.  This checkin is code only.  Documentation and
tests are still needed.  Also, ABORT is not fully implemented. (CVS 360)

FossilOrigin-Name: d0e7cf4a83e6abad7129bed356b7492dddaff474
 2002-01-31 15:54:21 +00:00
drh
0ca3e24b2e The new ON CONFLICT logic is in and passes the legacy tests. But the 
new capabilities have not been tested and are likely broken. (CVS 356)

FossilOrigin-Name: ac8a4189e2a0c41161ee359db25de94435420368
 2002-01-29 23:07:02 +00:00
drh
9cfcf5d4f6 Beginning to insert the infrastructure for ON CONFLICT clauses. (CVS 355) 
FossilOrigin-Name: e00a9ff8f99dd58f7cb19a6195fac21f4c8b4af9
 2002-01-29 18:41:24 +00:00
drh
a2e00042a1 The right-hand side of an AS in a SELECT can be used within expressions of 
the WHERE, ORDER BY, GROUP BY, and/or HAVING clauses. (CVS 350)

FossilOrigin-Name: 3684beab0f8a71ebdf453871bbde7a9ab1f65385
 2002-01-22 03:13:42 +00:00
drh
4a32431ce7 Added support for the INTEGER PRIMARY KEY column type. (CVS 333) 
FossilOrigin-Name: 236a54d289e858a1e0505a20d907a2a40c01b521
 2001-12-21 14:30:42 +00:00
drh
6b56344d4a New Next opcode and indexing style implemented. (CVS 304) 
FossilOrigin-Name: decbeb9151885fee473b3fa58c8cf78a2338d2d8
 2001-11-07 16:48:26 +00:00
drh
8721ce4ae7 Incremental update. We are in the middle of modifying the index system 
to support range queries without doing a complete table scan. (CVS 303)

FossilOrigin-Name: e6ca23fa4569bc33065bf57ce7ce6132cd6a9de0
 2001-11-07 14:22:00 +00:00
drh
a8b38d286e Remove cruft: restrict the number of sorters and lists in the VDBE to one 
since no more than one was ever used anyway.  This eliminates several
op-codes and simplifies the implementation of several others. (CVS 297)

FossilOrigin-Name: e1370276c2a0d045b29c981ddcb59f737e19a91c
 2001-11-01 14:41:34 +00:00
drh
1bee3d7b43 Added support for the COUNT_CHANGES pragma in order to help out the 
ODBC driver.  Fixed a but on count(*) when applied to empty tables. (CVS 289)

FossilOrigin-Name: 747bf1b30b74cfd0e9c27e7c0bc5172637f35520
 2001-10-15 00:44:35 +00:00
drh
99fcd718e1 Remove the P3 and label arguments from the internal sqliteVdbeAddOp() 
function.  This makes the code easier to read and perhaps smaller as
well. (CVS 286)

FossilOrigin-Name: 288ef1247b94c6c933451d120cdc78e471efc14e
 2001-10-13 01:06:47 +00:00
drh
f57b339988 Support for temporary tables added. Still need more testing. (CVS 279) 
FossilOrigin-Name: 9368c62e4097aae3081a325962c1dec167fd253d
 2001-10-08 13:22:32 +00:00
drh
ecdc7530dd Fixes to the locking and rollback behavior. (CVS 261) 
FossilOrigin-Name: 337b3d3b2a903328d9744c111979909a284b8348
 2001-09-23 02:35:53 +00:00
drh
b19a2bc603 Disclaimed copyright. Preparing for release 2.0. (CVS 250) 
FossilOrigin-Name: 4e926efe2b59adfec4086eb1d2ba830238facb4c
 2001-09-16 00:13:26 +00:00
drh
50e5dadf2c Everything is working on Linux. This is release 2.0-Alpha-1. (CVS 246) 
FossilOrigin-Name: 14474fa144fe7c5dc63e0990d6cc92d769e6013e
 2001-09-15 00:57:28 +00:00
drh
5edc31243e Many problems fixed. Many problems yet to go. (CVS 242) 
FossilOrigin-Name: 62c7bd11bcf6438cdcbf66fa67a2bf4ab9d1664d
 2001-09-13 21:53:09 +00:00
drh
be0072d249 The BTree changes are now integrated and the whole thing compiles and 
links. I have not yet tried to run it, though. (CVS 239)

FossilOrigin-Name: a0a1e701abc52a164d9b09a5426eb12af1fe6a4c
 2001-09-13 14:46:09 +00:00
drh
5e00f6c7d5 The code is in place to replace GDBM with BTree. But I have not yet 
attempted to compile it.  I am sure the code contains bugs. (CVS 238)

FossilOrigin-Name: 6ecc8b20d4f402f45f03d46d8d4fa40dea666e97
 2001-09-13 13:46:56 +00:00
drh
daffd0e597 better handling of out-of-memory errors (CVS 207) 
FossilOrigin-Name: 86b30cd0975dfea9424b9f9f0d4194aa71ce508b
 2001-04-11 14:28:42 +00:00
drh
0353cedda4 Enhancements to the DELETE command (CVS 194) 
FossilOrigin-Name: daea156e2430762e683ff5460f9f8bb3204ae168
 2001-03-20 22:05:00 +00:00
drh
345fda3ef5 continued progress toward version 2.0 (CVS 177) 
FossilOrigin-Name: c6ffb7ec6acb596907ead8992dfad94e18e83866
 2001-01-15 22:51:08 +00:00
drh
967e8b7351 :-) (CVS 104) 
FossilOrigin-Name: e1bf96a467b739373191bf75e6a097fc0f24bffc
 2000-06-21 13:59:10 +00:00
drh
1ccde15d69 :-) (CVS 101) 
FossilOrigin-Name: 6ed35a1d477906dc7e35bea0579951484fcdc858
 2000-06-17 13:12:39 +00:00
drh
d8bc708652 :-) (CVS 74) 
FossilOrigin-Name: 2ffeb8509c469f5a499d56bb109da079fcdff570
 2000-06-07 23:51:50 +00:00
drh
4794b98035 added IN and BETWEEN operators (CVS 57) 
FossilOrigin-Name: 54d198189b58366e4e40139102bc6de94ac55e18
 2000-06-06 13:54:14 +00:00
drh
58b9576b7a :-) (CVS 34) 
FossilOrigin-Name: 52338f4ab5990fefc61f615cd65c3a724b365199
 2000-06-02 01:17:37 +00:00
drh
cce7d17614 added aggregate functions like count(*) (CVS 21) 
FossilOrigin-Name: dee7a8be88a95014534b90b96716d9e2e6b16579
 2000-05-31 15:34:51 +00:00