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9,740 Commits 1,606 Branches 185 Tags
aa538a581a21753e8b22ed977c576d67dc0b4e83
Commit Graph

1090 Commits

Author SHA1 Message Date
drh
aa538a581a Make the use and function of SQLITE_DYNAMIC clearer. Add assert() statement 
to help ensure that SQLITE_DYNAMIC is not misused.

FossilOrigin-Name: ab80f2c3b2f1eea6e35989d3e9b6137b51091754
 2012-01-19 16:57:16 +00:00
drh
33f111dc72 Remove the undocumented PRAGMA omit_readlock hack. 
FossilOrigin-Name: 96900c47e4fc6ed55cefc10d55d3d8d16bcb1d31
 2012-01-17 15:29:14 +00:00
drh
cb15f35f3b Change the name ZERO_DAMAGE to the more descriptive POWERSAFE_OVERWRITE. 
The query parameter used to control this device characteristic is now "psow".

FossilOrigin-Name: 6191c5e45175f5c6040e891843b0725a929d6dd7
 2011-12-23 01:04:17 +00:00
drh
4b3ac73c2f Minor cleanups of the compound-subquery flattening logic. New test cases 
added for joins the compound subquery.

FossilOrigin-Name: 5061d85ff934db3c217c97acbbbed3286d9e02aa
 2011-12-10 23:18:32 +00:00
drh
678a9aa7bd Import the experimental parse-tree explainer, with fixes, from the 
tree-explain branch.

FossilOrigin-Name: bcbc7152d49107afa926c8950360c61a6cf3d244
 2011-12-10 15:55:01 +00:00
drh
a5eec8c8c3 Merge the latest trunk changes into tree-explain branch. 
FossilOrigin-Name: 1a360da0f8314f232c224c71829646bc7558892b
 2011-12-10 14:44:31 +00:00
dan
1d8cb21fdb Modify the OP_Once opcode so that it works correctly in trigger sub-programs. This is a candidate fix for [7bbfb7d442]. 
FossilOrigin-Name: 557c69055a300b4082830b5f4803091dca1c3140
 2011-12-09 13:24:16 +00:00
drh
7e02e5e6b5 Begin adding the data-structure explaining subsystem. All is contained within 
FossilOrigin-Name: 79ae51c5b1b20ed0a425a87e65a32a096a80b7e1
 2011-12-06 19:44:51 +00:00
drh
cdc6955716 Do not reuse temp registers originally allocated to a subroutine within 
the main body of the program logic, since if the subroutine is called
while the reused temp registers are in use, their values will get clobbered.
Candidate fix for ticket [3a77c9714e63330]

FossilOrigin-Name: 092d53315e50be42b51ef7b3069c82c32a129b6a
 2011-12-06 13:24:59 +00:00
drh
d4e244ad56 Remove unused fields from the Parse object. Documentation and formatting 
improvements on data structure definitions.

FossilOrigin-Name: 431556cac0b2c86d7f6a60412ff1023feeaafedf
 2011-11-29 15:40:32 +00:00
drh
76a3acacea Remove unused boolean fields from the UnpackedRecord object. 
FossilOrigin-Name: b10d091ec02e94643e865743129e2a21147b3136
 2011-11-29 15:04:12 +00:00
drh
4dd65e0f0c Removed the unused "type" field from the CollSeq (collating sequence) object. 
FossilOrigin-Name: ab89b047e82efdf59ed91a38b5195341a3743cbf
 2011-11-29 14:46:56 +00:00
drh
870c0178f7 Merge the PCACHE2 changes into trunk. 
FossilOrigin-Name: 457513f21f2438c61b1a214716e338a4e3eeaafa
 2011-11-16 18:08:07 +00:00
drh
8f10acdb5b Remove code made obsolete by the changes to index processing that allow 
range search on the rowid.

FossilOrigin-Name: a5418c7fc216a30abf7b2fa8c579aee586393a91
 2011-11-16 16:23:15 +00:00
dan
22e21ff4fc Experimental change to the pcache interface to allow page buffers to be allocated separately from their associated container structures. 
FossilOrigin-Name: c275c9d323cb1dccb031b199d413ac3a0b244fea
 2011-11-08 20:08:44 +00:00
drh
bf3f5f8d5c Change the default file format from 1 to 4. This means that, unless 
PRAGMA legacy_file_format=ON is used first,
new databases will not be readable by versions prior to 3.3.0 (2006-01-10).

FossilOrigin-Name: a35f52b1ad22c2ad49fb1083f892b92c72da348c
 2011-11-07 13:05:23 +00:00
drh
74e7c8f51f Purge lingering references to SQLITE_STAT2 from the code and test scripts. 
FossilOrigin-Name: aed2bf7a3c828a7191389b3f8235a9387977b476
 2011-10-21 19:06:32 +00:00
drh
c3c8dac741 Suppress a compiler warning that occurs with SQLITE_OMIT_VIRTUALTABLE. 
FossilOrigin-Name: 6bedb49d68f2960a6fc4701d02e177789abf9099
 2011-10-12 19:04:07 +00:00
drh
9ef61f4f4e Prevent infinite recursion of in the query planner for some pathological 
test cases by disabling OR-clause processing upon first recursion.

FossilOrigin-Name: 9fca05eac503d712886a05d03794f76c61fb39ed
 2011-10-07 14:40:59 +00:00
drh
2b9cf669d8 Remove the restriction on the number of entries per index in sqlite_stat3. 
FossilOrigin-Name: 374343c8ad53829c4ad715ed623d16635797de9a
 2011-09-22 20:52:56 +00:00
drh
5c62486cd8 Fix an issue in ANALYZE when STAT3 is disabled but both sqlite_stat2 and 
sqlite_stat3 tables exist.  Also add testability tweaks to the STAT3 code.

FossilOrigin-Name: 3ca7e449e2e20d95e516cf7fe87bfa0b51c07086
 2011-09-22 18:46:34 +00:00
drh
d3ed73406c Pull in the latest changes from trunk. Update the STAT3 documentation. 
FossilOrigin-Name: 63fc3e4bea6a7f5dc34b2af83f30458eb10b8fe0
 2011-09-21 00:09:41 +00:00
drh
9d56acdcfc Minor comment change in the description of the different memory allocator 
options.  No changes to code.

FossilOrigin-Name: 36be31ff0af7f811fe2c6f7e26f058cffb7257e1
 2011-09-19 20:56:59 +00:00
drh
5c4e5e53fe Merge all the latest trunk changes into the experimental STAT3 branch. 
FossilOrigin-Name: 51908c8f2bc6c086570f7493a29b096f0a40ce34
 2011-09-16 19:29:58 +00:00
drh
5b6a9ed495 Materialize subqueries using a subroutine and invoke that subroutine 
prior to each use of the subqueries manifestation.  Fix for
ticket [002caede898aee4]

FossilOrigin-Name: 4b8357ee3c4ccdbd34e0cd077efd84cca677f496
 2011-09-15 23:58:14 +00:00
drh
5a9f90b574 Merge the latest trunk changes into the stat3-trunk branch. 
FossilOrigin-Name: 11ca4ed8bf850dae1a24b7182f70039f32bd8dd1
 2011-09-13 19:09:28 +00:00
drh
ca892a7252 The build works again with -DSQLITE_OMIT_MERGE_SORT. The merge-sorter now 
avoids spilling to disk (letting the in-memory linked list grow without
bound) if PRAGMA temp_store=3.

FossilOrigin-Name: 68e26c4487696d194ee85370380e4b0e56d206ee
 2011-09-03 00:17:51 +00:00
dan
5134d1357e Instead of a temporary b-tree, use a linked-list and merge-sort to sort records in main memory in vdbesort.c. 
FossilOrigin-Name: 7769fb988d9be0f2d8129aaac19620ac88f9b4a6
 2011-09-02 10:31:11 +00:00
drh
c6aff30ca4 Experimental code-generator changes to utilize new opcodes for sorting. 
FossilOrigin-Name: bab2e560f6cb989c83a96aad60f666960ede7abe
 2011-09-01 15:32:47 +00:00
drh
009a5f811b Merge the stat3-enhancement branch with trunk, but keep the resulting merge 
in a separate branch for now.

FossilOrigin-Name: 63f2c7859fa6e5d0e2cdd218ff52a3ec2d44c61d
 2011-08-26 13:16:33 +00:00
mistachkin
25d054fabd Update compiler error message regarding the choice of memory allocator defines. 
FossilOrigin-Name: 1dada5158215d1816edb69ff2610f9d2259ce19d
 2011-08-26 11:25:02 +00:00
mistachkin
d2f496aab5 Merge Win32 native heap support into trunk. 
FossilOrigin-Name: 5238a74987507f27af4080e2842f53e049b5b111
 2011-08-26 11:18:44 +00:00
drh
d7f6e906db Disable external merge source when SQLITE_TEMP_STORE==3. Add documentation 
to the OP_OpenSorter opcode.

FossilOrigin-Name: 5a690486811379cea40c6ed48b2902f421234832
 2011-08-25 18:01:28 +00:00
mistachkin
753c544495 In the MSVC makefile, support several levels of debugging, each one building on the previous. Also, add comment about the SQLITE_WIN32_MALLOC_VALIDATE macro. 
FossilOrigin-Name: 4257e9b7ca78feb03df08fde56da947ae64c5c6f
 2011-08-25 02:02:25 +00:00
mistachkin
1b186a9947 Experimental work to allow SQLite to use the native Win32 heap API. 
FossilOrigin-Name: bf3d0ab53829350637283442f75071fe6d925245
 2011-08-24 16:13:57 +00:00
drh
4e50c5ec48 Further testing and bug fixing for sqlite_stat3. Added the Index.avgEq 
field to index statistics.  Fixed several problems in the query planner
associated with stat3.

FossilOrigin-Name: 89b2f70884cad0abdf4c66cb64ecddb2820ded74
 2011-08-13 19:35:19 +00:00
drh
faacf17cc1 Begin a branch that experimentally replaces sqlite_stat2 with a new table 
called sqlite_stat3 that will hopefully facilitate better query
planning decisions.

FossilOrigin-Name: 52e1d7e8ddd4bb5ef3a9d00fd2d719a8a784f807
 2011-08-12 01:51:45 +00:00
dan
da79cf0cc9 Fix for [54844eea3f]: Do not create automatic indexes on correlated sub-queries. 
FossilOrigin-Name: 9f14fa56ba31afe3de8b0cf26ed09573a2cc2283
 2011-07-08 16:10:54 +00:00
drh
a9b1b91436 Extend the SQLITE_TESTCTRL_OPTIMIZATIONS option to disable DISTINCT 
optimizations.

FossilOrigin-Name: 18501dd1a8aa8299c091c36e35b9a10a29d4467b
 2011-07-08 13:07:02 +00:00
dan
38cc40c216 Experimental changes to improve optimization of DISTINCT queries. 
FossilOrigin-Name: f7ba0219ef2f235543c258be736955d91ca5ecce
 2011-06-30 20:17:15 +00:00
drh
097ce2caab Add a bit to the SQLITE_TESTCTRL_OPTIMIZATIONS setting that will disable 
affinity when writing to any index, regardless of whether or not the index
is on a manifestation of a view.  This allows better testing of the fix
for ticket [91e2e8ba6ff2e2].

FossilOrigin-Name: b61a76a53af04f731fe7617f7b6b4fb2aef6587b
 2011-06-23 17:29:33 +00:00
dan
c17d696c14 Return an error if localtime_r() fails within one of the date/time functions. Fix for [bd484a090c]. 
FossilOrigin-Name: 76ae8257efc1df6e20ce5718d4824adbbde423ec
 2011-06-21 12:47:30 +00:00
drh
0a32fa6d81 Use only unsigned values in the implementatin of LIKE and GLOB so that 
values won't overflow to negative when dealing with malformed UTF8.

FossilOrigin-Name: 77f01578bb565d1bc884b374b68bae10ce34a084
 2011-06-13 12:19:21 +00:00
drh
55a0959a18 Fix a comment type on the description of the Schema object. 
FossilOrigin-Name: 095cd9a6ec175b703ff3fcafeffb3349f21bd831
 2011-06-07 18:31:14 +00:00
drh
124c0b49a1 Refactor the SQL parameter processing so that parameter names for values 
that are optimized out of the prepare statement are not forgotten.

FossilOrigin-Name: b3aaf715b60b8a338cc6c92dad1ead4a3f7146a3
 2011-06-01 18:15:55 +00:00
drh
addd8f8729 Fix a compiler warning. 
FossilOrigin-Name: 6df99e52dabf2a243ad635529649b86c21735e91
 2011-05-25 15:54:09 +00:00
drh
346506f97b Changes to savepoint in virtual tables for simpler and more consistent 
operation.

FossilOrigin-Name: 92f26a8b8f18832cb1f8ba7dd8e5b020e71a5883
 2011-05-25 01:16:42 +00:00
drh
e485522462 Do not invoke the xRollbackTo or xRelease methods of a virtual table without 
having first invoked an appropriate xSavepoint method.  Add assert() statements
to FTS3/4 to verify that this is happening in all cases.

FossilOrigin-Name: 651ef24249d8c22c4f13e4c0bb98a60099cfd23a
 2011-05-24 15:36:01 +00:00
drh
81cc516352 Add the ability to limit filenames to 8+3 using the 
SQLITE_ENABLE_8_3_NAMES compile-time option together with a URI
parameter of "8_3_names=1".

FossilOrigin-Name: 96d609856025919571f781207dfa6a24b1732e8d
 2011-05-17 20:36:21 +00:00
drh
522c26fbfb Fix minor compiler warnings. 
FossilOrigin-Name: 139eecbe1b072711a36128f1eeb24fc3e3bacc1c
 2011-05-07 14:40:29 +00:00