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Code Activity
19,138 Commits 1,608 Branches 185 Tags
98b677f2cb15b1dff79920237b9961d7b5c05a5a
Commit Graph

13138 Commits

Author SHA1 Message Date
dan
3e6ac1643c Experimental integration of schemalint functionality with the shell tool. Does not work yet. 
FossilOrigin-Name: ed49f297bcee86674ed673e195610b8cc1d35647
 2016-02-11 21:01:16 +00:00
drh
c41c132cf0 Minor simplifications deferred to the next release. 
FossilOrigin-Name: a863729ccb75a56330460d3b7d558e639ad733d1
 2016-02-11 13:30:36 +00:00
drh
05723a9e3c Add testcase() macros to the CHECK constraint avoidance logic. Avoid creating 
an unused VDBE label during CHECK constraint code generation.

FossilOrigin-Name: 970881befd5da6cc837c474d6e917de0bf029350
 2016-02-10 19:10:50 +00:00
drh
98bfa16db2 Fix to previous check-in: Make sure CHECK constraints involving the ROWID 
are not ignored when the ROWID changes.

FossilOrigin-Name: 7782cb1dd5914b867caf5ff2f0f837407abbfd7a
 2016-02-10 18:24:05 +00:00
drh
2a0b527b37 Omit unnecessary CHECK constraints in UPDATE statements, when none of the 
columns referenced in the CHECK constraint are modified.

FossilOrigin-Name: 02fbdbc782dd98f080bf4482d820f36c0ef3d519
 2016-02-10 16:52:24 +00:00
drh
bdb00225ab Omit NOT NULL checks on unchanging columns in an UPDATE. 
FossilOrigin-Name: 6a3aaedfb41735996470abbae6d3cd1be1f508b3
 2016-02-10 16:03:20 +00:00
mistachkin
6d94555914 In the shell, use the appropriate string constant instead of a literal new-line. 
FossilOrigin-Name: 61951b153d47096f30ebc8b84af408d9d709637c
 2016-02-09 20:31:50 +00:00
drh
87a24aa1ca Improved auto-detection of EXPLAIN output in the shell. 
FossilOrigin-Name: 6c6d7a6e89e67cdb0813d3eebb869aafb43d43ed
 2016-02-09 20:04:07 +00:00
drh
700c252a72 Add auto-explain mode to the command-line shell. Default on. Auto-explain 
tries to automatically detect EXPLAIN queries and format them appropriately.

FossilOrigin-Name: 1d62aa6b315df47cafb33da7ca79d3386a2fdd48
 2016-02-09 18:39:25 +00:00
drh
bbde018230 Code simplification: ALTER TABLE ADD COLUMN always upgrades the file_format 
to 4 if is not there already.  No need to upgrade to only 2 or 3 since format
4 has now been supported for over 10 years.

FossilOrigin-Name: e1d8ec85546caeca3bb7a05ad962a2aed91194ce
 2016-02-09 16:09:22 +00:00
drh
1a606f8246 Merge enhancements and fixes from trunk. 
FossilOrigin-Name: f040a5bb62f3473fba6450c97c68f538d1df21ef
 2016-02-09 15:44:18 +00:00
dan
02e4f27146 Merge latest trunk changes with this branch. 
FossilOrigin-Name: 1a4182eedd0143c3f71b3d97f1d1bb25adeba617
 2016-02-09 15:10:56 +00:00
drh
2fade2f791 Make sure every co-routines has its own set of temporary registers and does 
not share temporaries, since a co-routine might expect the content of a
temporary register to be preserved across an OP_Yield.
Proposed fix for ticket [d06a25c84454a].

FossilOrigin-Name: ca72be8618e5d466d6f35819ca8bbd2b84269959
 2016-02-09 02:12:20 +00:00
dan
e064c4066c Disable the two-argument form of the fts3_tokenizer() SQL function unless the library is built with -DSQLITE_ENABLE_FTS3_TOKENIZER. 
FossilOrigin-Name: e0eb217aca7e4aadf9c44ed20822b78139f7c83c
 2016-02-08 19:40:17 +00:00
drh
e96f361995 Changes to help the tokenizer run about 33% faster. 
FossilOrigin-Name: a050e6f096d40aa5b6275797b96e62c228044f5a
 2016-02-08 19:36:46 +00:00
drh
34dcee6544 Add code to get the tokenizer character-class logic working for EBCDIC. 
FossilOrigin-Name: 04f7da77c13925c1f1e287f4579bb85518297d81
 2016-02-08 19:15:48 +00:00
drh
8974331fc3 Demonstrate a much faster sqlite3GetToken() routine by using a lookup table 
to map initial token characters into a character class.  This check-in does
not work for EBCDIC.  More optimization needed.

FossilOrigin-Name: 9115baa1919584dc8ca25bbff54d3b65748a9631
 2016-02-08 02:30:50 +00:00
drh
cc5f8a46b9 Add a utility program that looks for assert(), NEVER(), ALWAYS(), and 
testcase() macros that have side-effects, and reports errors when they are
found.  Also fix a bug that this utility detected as it was being tested.

FossilOrigin-Name: b0b4624fc5d53bb0cc9fae7dad51984837d946ac
 2016-02-06 22:32:06 +00:00
drh
f5818aa560 Make sure variable declarations occur at the beginning of blocks, even 
with SQLITE_DEBUG enabled.

FossilOrigin-Name: 2f7778e64d93ef237e23ceac01ea9808df5cf2a1
 2016-02-06 19:48:50 +00:00
pdr
bb3da060e3 Fix an assert() to have a test instead of a side effect 
FossilOrigin-Name: a2952231ac7abe165ed070875728f752ae0be608
 2016-02-06 14:14:43 +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
98c7a12c00 OOM failures on sqlite3_errmsg16() in an app-defined function are no longer 
benign.

FossilOrigin-Name: 9efb223f4ce8ccc00515f8f016f7c494c9ae5096
 2016-02-05 04:50:27 +00:00
drh
17a936f84a Minor simplification of schema error reporting. 
FossilOrigin-Name: a8846aeed9992c6c9f1c8bd6e996a4cbe891751e
 2016-02-05 02:50:11 +00:00
drh
b84e574c89 Further performance improvements that fall out of the mallocFailed changes. 
FossilOrigin-Name: d94416ddca8f7ed727dd335d38155ea5945a86b7
 2016-02-05 02:42:54 +00:00
drh
4a642b6060 Improvements to the way that OOM errors are processed. 
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
 2016-02-05 01:55:27 +00:00
drh
e514f651d0 Temporarily back out the 0.5% performance improvement from 
check-in [632071bac5ff32].  Need a more elaborate solution that works
with reentrant virtual tables and SQL functions.

FossilOrigin-Name: 42736fb0adc82a0fb692850ff3dd3f9b501cbf1f
 2016-02-04 19:50:33 +00:00
drh
4df86af329 Remove unnecessary sets of db->mallocFailed. 
FossilOrigin-Name: b787165b25a240fd5b4a5c7f73b395f30213a1d7
 2016-02-04 11:48:00 +00:00
drh
6d258995e6 Refinements to synchronous logic: 
(1) Use PAGER_SYNCHRONOUS_FULL rather than the corresponding magic number.
(2) Honor SQLITE_NO_SYNC on xDelete calls with sync
(3) Count xDelete syncs during testing
(4) Fix #ifs on SQLITE_EXTRA_DURABLE so that directory syncs on journal
unlink are off by default.

FossilOrigin-Name: e3157cb5ad0d22758e766a95fb1463a7810f7d7f
 2016-02-04 09:48:12 +00:00
drh
fabe393da8 In the VDBE loop, only check for OOM errors at jumps rather than after every 
opcode, for about a 0.5% performance increase.

FossilOrigin-Name: 632071bac5ff324a74cec9bdbba2deb60c0945e9
 2016-02-03 22:14:38 +00:00
drh
19d720d3a7 Fix markup errors in comments used to generate the documentation - specifically 
in the documentation on the OP_Seek opcode.

FossilOrigin-Name: ef252bc4b59d272460aaebdc0d4b8e347b0d25a8
 2016-02-03 19:52:06 +00:00
drh
6841b1cb3d Add "PRAGMA synchronous=EXTRA" which syncs the directory containing the 
rollback journal when the rollback journal is deleted in order to commit a 
transaction in DELETE mode.

FossilOrigin-Name: af92401826f5cf49e62c278f344ab75252a18da2
 2016-02-03 19:20:15 +00:00
drh
1b32554b80 Enhance the internal sqlite3VdbeAddOpList() interface to automatically update 
jump destinations.  Use this feature to simplify the AUTOINCREMENT code
generator.

FossilOrigin-Name: ae8b9d2edf1b5aef6108e729754911db7682b6a3
 2016-02-03 01:55:44 +00:00
drh
33c1eb6477 Merge all recent enhancements from trunk. 
FossilOrigin-Name: f3f9200115caf4b356f90ec97c351d1afbcb9bf6
 2016-02-02 02:22:30 +00:00
drh
b8db549832 Enhance the comment on the sqlite3_index_constraint object to bring attention 
to the fact than iColumn field can be negative for a rowid.

FossilOrigin-Name: d8b7b1996eefae7768bfcb82d4ff22c69392aa63
 2016-02-02 02:04:21 +00:00
drh
1861afcdbb Change the OP_SetCookie instruction to write the literal P3 value, not the 
value in register P3.

FossilOrigin-Name: 6d7d4703ebf3754bec74123d5ba7e861a705f90f
 2016-02-01 21:48:34 +00:00
drh
ed94af5eb9 Number VDBE opcodes starting with 0 instead of 1, as this obviates the 
lower-bound test on "switch(opcode){...}", making the code smaller and faster.

FossilOrigin-Name: 4c9222f75bfac47f5422fff86b2d69a61933b3a2
 2016-02-01 17:20:08 +00:00
dan
cddb6ba03b Fix a problem causing the OR/covering-index optimization to be disabled if compile time parameter SQLITE_MAX_ATTACHED were set to greater than 30. 
FossilOrigin-Name: a17712bf8d98dd485560f434a5350e6381cf1411
 2016-02-01 13:58:56 +00:00
drh
b0c886510f Minor simplification to the OP_AutoCommit opcode. Fix some code comments 
related to transaction control.

FossilOrigin-Name: a9b6a0672f84dd205f9333951e4c2a608d027d71
 2016-02-01 13:21:13 +00:00
drh
38bace84cd Fix an assert() that might fail on a corrupt database. 
FossilOrigin-Name: 22eaced7274764eaf7ab4b5fc52cc2fcfc285708
 2016-02-01 00:21:08 +00:00
drh
784c1b93fb Merge the implementation of OP_IdxRowid and OP_Seek so that OP_Seek no longer 
requires the rowid register and a separate OP_IdxRowid call.  Shorter and
faster prepared statements result.

FossilOrigin-Name: 9bec50a1e7796a6e038db9b1cc7cc1e7e350bf74
 2016-01-30 16:59:56 +00:00
dan
5b6c8e4e1d A different way to clear the subtype on VDBE registers when the value of the register is overwritten with new content. To fix [[f45ac567eaa9f93]. 
FossilOrigin-Name: 2e9fb1295cd31fc29c97444c3dec82fef68e939f
 2016-01-30 15:46:03 +00:00
drh
af30fdf6ed Output subtype information on register traces for PRAGMA vdbe_trace. 
FossilOrigin-Name: 96b780209cc95c3f3769bb880591380d94bfe38d
 2016-01-30 14:17:10 +00:00
drh
4b09ec6e11 Add the BTREE_FORDELETE and BTREE_AUXDELETE flags to the b-tree layer interface 
and use them.  Add assert() statement to verify that they are correct.

FossilOrigin-Name: 85c467041c9378cae3038756da815e9117ee8c7d
 2016-01-30 13:32:30 +00:00
drh
5f4a686f8c Simplification and size reduction to the printf logic. Remove the bFlags 
parameter from sqlite3VXPrintf() and sqlite3XPrintf().  Use sqlite3XPrintf()
instead of sqlite3_snprintf() for rendering P4 values in EXPLAIN output.

FossilOrigin-Name: 0bdb41c45aa1cc8e5c136aaa6605d54b401483bd
 2016-01-30 12:50:25 +00:00
drh
b17020265b Change the P4_INTARRAY so that always begins with a length integer. Print 
the content of the INTARRAY on EXPLAIN output.

FossilOrigin-Name: 6c520d5726e80b4251338c43c405270d150ea81e
 2016-01-30 00:45:18 +00:00
drh
945d302215 Different comment on the alternative cursor fields of VdbeCursor. 
FossilOrigin-Name: 6e3dcb6d7d960bb513d9a4a002b6cf5ab7159686
 2016-01-29 20:58:40 +00:00
dan
de892d9660 Experimental attempt to make better use of covering indexes within OR queries. 
FossilOrigin-Name: a323ac3a9d42bd5cb38d724c7e1180584b91054c
 2016-01-29 19:29:45 +00:00
dan
83f0ab8087 Prepend "rc!=SQLITE_OK || " to the nExtraDelete assert() condition. 
FossilOrigin-Name: 2a055ed0afd56e8c6b17cfc31e7808debe9ec765
 2016-01-29 18:04:31 +00:00
drh
3b83f0cd8f Avoid unnecessary WHERE clause term tests when coding a join where one 
of the tables contains a OR constraint.

FossilOrigin-Name: ab94603974a0ad5342e5aee27603162652e70492
 2016-01-29 16:57:06 +00:00