mirrors/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
22,919 Commits 1,487 Branches 166 Tags
Commit Graph

409 Commits

Author SHA1 Message Date
drh
abfd35ea03 Performance improvement and size reduction in the Expr node allocator 
function sqlite3PExpr().

FossilOrigin-Name: 2a81763e68cdf9b8c46389b1e1a87bc2084b53e7
 2016-12-06 22:47:23 +00:00
drh
9057fc7c7f Remove the OP_RowKey opcode. Use OP_RowData in its place. 
FossilOrigin-Name: 6ac7b07a4aff2e1a9031289e3dafdb9ac0071c24
 2016-11-25 19:32:32 +00:00
drh
65f38d960d Remove unnecessary OP_Close opcodes for a size reduction and performance 
increase.

FossilOrigin-Name: 32be7aae92ee48bf2cd260ea41e79c2bc62738f9
 2016-11-22 01:26:42 +00:00
drh
9b4eaebc68 Enhance the OP_IdxInsert opcode to optionally accept unpacked key material. 
FossilOrigin-Name: 89d958abbac45f2ca5954080cd9e74ec9a07ebb2
 2016-11-09 00:10:33 +00:00
drh
511f9e8d29 Remove the internal sqlite3CodeOnce() interface, replacing it with a 
direct call to sqlite3VdbeAddOp0(v,OP_Once).  Slightly smaller and faster.

FossilOrigin-Name: c3774c6a5fe48af91fda28e9e18c6ed9053ea992
 2016-09-22 18:53:13 +00:00
drh
a0daa751f8 Fix SQLITE_OMIT_AUTHORIZATION so that it compiles cleanly. 
FossilOrigin-Name: a3e3b3e1c57178ccd38fc7375ec1de8e8ae45372
 2016-09-16 11:53:10 +00:00
drh
69c338263a Rename the Db.zName field to Db.zDbSName to make it more descriptive and to 
distinguish it from all of the other "zName" variables scattered throughout
the code.

FossilOrigin-Name: 92a22f01343a898455fd61c3b8e7d7c954f5b569
 2016-08-18 14:33:11 +00:00
drh
bcf6884afd In the WHERE generator, when building code for a DELETE operation, make sure 
that seeks to the main table are not deferred.
This is a better fix for the [16c9801ceba49] bug than the previous.

FossilOrigin-Name: 150dd09ebd7b17234a79e1811a0fae8b0a7a40d5
 2016-05-06 16:06:59 +00:00
mistachkin
9fe3fbbc35 Fix typo in comment. No changes to code. 
FossilOrigin-Name: 6c43ba1c8753a4029e127078652f265c408a01c0
 2016-05-04 19:04:20 +00:00
drh
91da707280 Only disable the one-pass DELETE optimization if the WHERE clause contains 
a correlated subquery.  Uncorrelated subqueries are allowed.  This is a
refinement of check-in [3f221f592a9a1] that is the fix for
ticket [dc6ebeda9396087].

FossilOrigin-Name: aae389692a2ed2cc92151d51fb2cd5a16921c469
 2016-05-04 14:45:30 +00:00
drh
57a07ba9a9 Disable the multi-row one-pass DELETE optimization when the WHERE clause 
contains a subquery.  Fix for ticket [dc6ebeda9396087].

FossilOrigin-Name: 3f221f592a9a19009076e568566c59801cd3fc32
 2016-05-02 12:18:56 +00:00
drh
08de4f7933 Factor out the common operation of setting the Expr.x.pSelect field of an 
Expr object into a subroutine.

FossilOrigin-Name: 6a5cceee486c5e3625556e4c7076ff90e9d8fa43
 2016-04-11 01:06:47 +00:00
drh
0ac7cfaf99 Merge enhancements from trunk. 
FossilOrigin-Name: a533608cb0de3cbc1e28a794aab99864b8c249f4
 2016-02-05 14:15:34 +00:00
drh
575fad6500 Add the slightly faster sqlite3DbMallocRawNN(db,n) routine for the majority 
cases where db is guaranteed to be not NULL.

FossilOrigin-Name: 0a802e96ab06e2643834b83671fa8353da1a348d
 2016-02-05 13:38:36 +00:00
drh
33c1eb6477 Merge all recent enhancements from trunk. 
FossilOrigin-Name: f3f9200115caf4b356f90ec97c351d1afbcb9bf6
 2016-02-02 02:22:30 +00:00
drh
def19e3b48 Change the name of the BTREE_IDXDELETE flag to BTREE_AUXDELETE, to better 
reflect its purpose.

FossilOrigin-Name: 1d3bf6bebdda9f96734bc139601e9b05344ea0b4
 2016-01-27 16:26:25 +00:00
drh
b89aeb6aa2 Add assert() statements on the nExtraDelete variable in vdbe.c to try to verify 
that the FORDELETE and IDXDELETE flags are being generated correctly.  Those
flags are not currently generated correctly, and so the assert()s trip on this
check-in.

FossilOrigin-Name: dde1db0dd2e2cf04706117629756c352b178ebb8
 2016-01-27 15:49:32 +00:00
drh
e807bdba86 Add a new hint bit on the flags parameter of sqlite3BtreeDelete(). The new 
BTREE_IDXDELETE bit indicates that the call is to delete an index entry 
corresponding to a table row that has already been deleted.

FossilOrigin-Name: ac2cbadd8000947c097da5b00c00090fe58fdcff
 2016-01-21 17:06:33 +00:00
drh
769dc6e2a2 Merge the latest enhancements from trunk. 
FossilOrigin-Name: 7d6cfc79e7e5534ebacd980479917bc528a638f7
 2015-11-19 19:40:40 +00:00
drh
80090f9221 When manifesting a view as part of an DELETE or UPDATE, be sure to include 
the hidden columns in the manifestation.

FossilOrigin-Name: 28df5dc4a9569f388af2ee0d1f016afbea132277
 2015-11-19 17:55:11 +00:00
drh
d286b9fb7d Merge all the latest enhancements from trunk. 
FossilOrigin-Name: 395a153ff7b3c7a72f3d02b6fe76d72383f4e480
 2015-10-30 16:50:00 +00:00
dan
fd261ec67e Modifications to pass a flag to internal routine sqlite3BtreeCursor() when a cursor that is used solely for deleting b-tree entries, or for obtaining the components of keys to delete from other b-trees, is opened. 
FossilOrigin-Name: cdc92919e600007cae5eb61223684f48a65babc0
 2015-10-22 20:54:33 +00:00
drh
32af5eda6a Merge recent enhancements from trunk, and especially the fix for 
ticket [1b266395d6bc10].

FossilOrigin-Name: b2face9aa95ade96a5666c70b6b31064c1ad0977
 2015-09-30 14:50:39 +00:00
drh
4b92f98ccc Use symbolic names XN_ROWID and XN_EXPR in place of the (-1) and (-2) 
magic numbers in Index.aiColumn[].  Add asserts to help verify that
Index.aiColumn[] is always used correctly.  Fix one place in FK processing
where Index.aiColumn[] was not being used correctly.

FossilOrigin-Name: 7d272aa62cd4cbbf4b5d04e3b918de27671e8301
 2015-09-29 17:20:14 +00:00
drh
c149f18f4d Create the sqlite3IsToplevel(Parse*) interface to check to see if a top-level 
VDBE is being coded (versus a trigger) and use that interface.

FossilOrigin-Name: 59662cd2b65255a30e1a420331c07c51b644621a
 2015-09-29 13:25:15 +00:00
dan
354474ad6d Add tests for fts3 and onepass update/delete operations. Also fix a problem with onepass updates that do not affect any rows. 
FossilOrigin-Name: 820c804468abff692742952de670c5d906a50956
 2015-09-29 10:11:26 +00:00
dan
076e0f9674 Changes to allow DELETE operations on virtual tables to use the onepass strategy under some circumstances. 
FossilOrigin-Name: e73f919fae1833c6ffb36eddbc76d9a8d9324214
 2015-09-28 15:20:58 +00:00
drh
9ec0efd946 Merge all the latest trunk enhancements into the sessions branch. 
FossilOrigin-Name: c91065f8edb1e54076791716fc20d3fcfe3070dc
 2015-09-24 14:26:51 +00:00
dan
80b7198f2b Add an assert() statement to delete.c. 
FossilOrigin-Name: 40fce67ecf0e71db3c8f3da3f72cc80a3d0f8fb2
 2015-09-19 18:11:18 +00:00
dan
438b881540 Merge the latest trunk enhancements with this branch. 
FossilOrigin-Name: b7469c44be77358e02892a3abc696f7caa0dcd3b
 2015-09-15 15:55:15 +00:00
drh
b77ebd828b Reformat some code to make it easier to merge with sessions. No logic changes. 
FossilOrigin-Name: eade355fafec558fc13dc4b08ca0b07713a2cd84
 2015-09-15 13:42:16 +00:00
drh
b0264eeca1 Use symbolic names ONEPASS_OFF, ONEPASS_SINGLE, and ONEPASS_MULTI for the 
various modes of the one-pass optimization.

FossilOrigin-Name: 16e56bdadef903c6439a487f2683388aeeb0c625
 2015-09-14 14:45:50 +00:00
drh
66336f3755 Fix a compiler warning and providing missing VdbeCoverage() calls. 
FossilOrigin-Name: 2edd2e5edd60210e18db58bce1e096dd211b6ece
 2015-09-14 14:08:25 +00:00
drh
91762f2d18 Merge the latest trunk enhancements. 
FossilOrigin-Name: 22ce9218fb2bb56cc5dd4e32077a16f669250d5f
 2015-09-14 10:47:29 +00:00
dan
7210b3d1e8 Fix compiler warnings in delete.c. 
FossilOrigin-Name: 0a4d285e18b78cd529483ba5c8c607ab62a443d4
 2015-09-12 19:50:58 +00:00
dan
f0ee1d3c12 Experimental change to use a single-pass approach for DELETE statements on non-virtual tables that do not fire triggers or require foriegn-key processing. 
FossilOrigin-Name: eaeb2b80f6f8f83679c8323a81bb39570ec946fe
 2015-09-12 19:26:11 +00:00
drh
6b86881788 Merge recent trunk enhancements. 
FossilOrigin-Name: 6a513c05850949900f396c7a61accb97cc6d2af5
 2015-09-03 14:48:25 +00:00
drh
34de0c8c5e Merge enhancements from trunk. 
FossilOrigin-Name: 1ab10cbf27245961b40eda1ce70f35646f0a9966
 2015-09-03 14:18:12 +00:00
drh
076e85f59c Add the sqlite3VdbeLoadString() and sqlite3VdbeMultiLoad() routines to help 
with code generation, especially on PRAGMAs.  Rename sqlite3VdbeAddGoto()
to just sqlite3VdbeGoto().

FossilOrigin-Name: 847387ec8e6fef283899578fb232b2c23b00ee5b
 2015-09-03 13:46:12 +00:00
drh
2991ba050b Add the sqlite3VdbeAddGoto(v,i) routine as a shorthand for 
sqlite3VdbeAddOp2(v,OP_Goto,0,i).

FossilOrigin-Name: be78f413df1b0d874b44a866ef6bf17543d7e8a2
 2015-09-02 18:19:00 +00:00
drh
5969c657ae Merge recent enhancements from trunk. 
FossilOrigin-Name: cb77236673e30af1e8749d984dedecc8f901b255
 2015-09-01 18:52:35 +00:00
drh
760b32dff2 Merge trunk enhancements. 
FossilOrigin-Name: e8b02902c48f3668dcff7b1767347ac7ef3c971e
 2015-08-25 19:24:11 +00:00
drh
e910769817 Use the sqlite3IndexColumnAffinity() routine to quickly and correctly find the 
affinity of an index column.

FossilOrigin-Name: 1ee089a72d789002a0a377347fc51e08ab32fb14
 2015-08-25 19:20:04 +00:00
drh
1f9ca2c84c Add code to maintain indexes with expression arguments across DELETE, INSERT, 
and UPDATE statements.  Legacy tests pass, but the new code paths are still
largely untested.  The query planner currently makes no effort to use
expression indexes.

FossilOrigin-Name: efaabdb71626bdc03768e87e186c72f6f3da75b2
 2015-08-25 16:57:52 +00:00
drh
60c97e6aa8 Merge recent trunk enhancements and fixes. 
FossilOrigin-Name: c39cb0e2571f58c87053de009e2c135d71b2c3af
 2015-06-11 18:01:29 +00:00
drh
72bc8208f0 When generating code for partial indexes, be sure not to modify the 
index condition expression in the schema.

FossilOrigin-Name: e63d01c69c3e50f49ee3022a519c4f3e91f00520
 2015-06-11 13:58:35 +00:00
drh
878acb32ef Merge all recent trunk changes into the sessions branch. 
FossilOrigin-Name: f36bb5fa5c5e3430808fe35d58f45559a216d341
 2015-02-21 15:13:50 +00:00
drh
2308ed3854 Propagate the COLLATE operator upward through function calls. 
Initial fix for ticket [ca0d20b6cdddec5e8].

FossilOrigin-Name: c053448a55f9d030e8ffe88cf4fc14ada7f6ec19
 2015-02-09 16:09:34 +00:00
drh
7a20f698df Merge trunk 3.8.8 beta changes into the sessions branch 
FossilOrigin-Name: 0ba124540b5b2a9ceda0f4f4a46e6be54edad813
 2015-01-14 17:16:23 +00:00
mistachkin
1a51ce78ba Fix some harmless compiler warnings. 
FossilOrigin-Name: 2b8eecbfe7935d3d9826fbcd473dd3a49138ad11
 2015-01-12 18:38:02 +00:00