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100 descendants of [b1b0de29]

2013-08-15
16:18
Change some assert() statements in vdbe.c to ensure that a memory cell used to store a VdbeCursor object is not also used for some other purpose. check-in: 71070c9f user: dan tags: sqlite_stat4
16:15
Make sure the ANALYZE command allocates enough VDBE registers. check-in: 46fec9b1 user: drh tags: sqlite_stat4
14:39
Add tests for sqlite_stat4 sample selection. And a fix for the same. check-in: 1fb4d9d6 user: dan tags: sqlite_stat4
14:27
Clarification and typo fixes in comments related to name resolution. No changes to code. check-in: f30abdf9 user: drh tags: trunk
08:06
Make it easy to attach a debugger the test fixture process prior to any tests being run. Closed-Leaf check-in: c23acba1 user: mistachkin tags: dbgTestFixture
2013-08-14
19:54
Change the way ANALYZE works to use a single cursor when scanning indices. check-in: bdce612b user: dan tags: sqlite_stat4
00:20
Fix a few more minor comment typos. No changes to code. check-in: 9e999081 user: mistachkin tags: trunk
2013-08-13
22:33
Fix an outdated comment and a comment typo. No changes to code. check-in: ac336959 user: mistachkin tags: trunk
2013-08-12
20:14
If ENABLE_STAT3 is defined but ENABLE_STAT4 is not, have ANALYZE create and populate the sqlite_stat3 table instead of sqlite_stat4. check-in: cca8bf43 user: dan tags: sqlite_stat4
17:31
If there is data in both the sqlite_stat4 and sqlite_stat3 tables for a single index, ignore the sqlite_stat3 records. check-in: 2a417367 user: dan tags: sqlite_stat4
17:00
Handle a NULL input to decodeIntArray() that can result from a prior OOM. check-in: fa1588ad user: drh tags: sqlite_stat4
16:34
Re-enable reading from the sqlite_stat3 table (as well as sqlite_stat4). check-in: 6d45078e user: dan tags: sqlite_stat4
11:21
Fix a bug in calculating the average number of entries for keys not present in the sqlite_stat4 table. check-in: ec3ffb17 user: dan tags: sqlite_stat4
09:29
Fix minor problems caused by adding the rowid to the records in stat4. check-in: 088d1ff9 user: dan tags: sqlite_stat4
2013-08-10
19:08
Add the rowid field to the end of sample records stored in the sqlite_stat4 table. check-in: 3a5e8ab7 user: dan tags: sqlite_stat4
2013-08-09
19:04
Fix a couple of typos in a comment in analyze.c. No code changes. check-in: 5bcccb93 user: dan tags: sqlite_stat4
14:07
Update the header comment on analyze.c to describe the sqlite_stat4 table format. check-in: 4d97809d user: drh tags: sqlite_stat4
2013-08-08
19:38
Fix problems in estimating the number of rows visited by a range query using sqlite_stat4 data when the column subject to the range query is not the leftmost of the index. check-in: 9228aaf5 user: dan tags: sqlite_stat4
16:17
Use a binary search instead of a linear scan when comparing a sample key against data from the sqlite_stat4 table. check-in: e50dc305 user: dan tags: sqlite_stat4
14:38
If the SQLITE_EXTRA_INIT function is defined, make sure it is called only once by the effective sqlite3_initialize() call. check-in: e2b597ca user: drh tags: trunk
12:21
Fix a segfault in "ALTER TABLE t1 ADD COLUMN b DEFAULT (-+1)". Also an assert() failure that could occur if SQLITE_ENABLE_STAT4 were not defined. check-in: 9fec3e38 user: dan tags: sqlite_stat4
11:48
Fix a bug in using stat4 data to estimate the number of rows selected by a range constraint. check-in: f783938e user: dan tags: sqlite_stat4
2013-08-07
23:15
If the SQLITE_ALLOW_URI_AUTHORITY compile-time option is set, then allow non-localhost authorities on URI filenames and pass them through as a UNC to the underlying VFS. check-in: 3adb6c1b user: drh tags: trunk
19:46
Replace variable Index.avgEq (average number of rows in keys for which there is no sample in sqlite_stat4) with vector Index.aAvgEq. check-in: 7b70b419 user: dan tags: sqlite_stat4
18:42
Merge latest trunk changes with this branch. check-in: 08f74c45 user: dan tags: sqlite_stat4
18:07
Merge in the latest changes from trunk. Closed-Leaf check-in: c78b0d30 user: drh tags: uri-enhancement
16:38
Fix typos in a comment in analyze.c. No code changes. check-in: 812ed0c5 user: dan tags: sqlite_stat4
16:15
Change the way samples for the sqlite_stat4 table are collected. check-in: 13ed5ac1 user: dan tags: sqlite_stat4
16:04
Fix the ".dump" command on the command-line shell so that it works for "sqlite_stat4" in addition to "sqlite_stat1". check-in: 1e80c4b1 user: drh tags: sqlite_stat4
15:57
Remove the unused sqlite3Utf8to16() utility function. check-in: 9159b43e user: drh tags: sqlite_stat4
15:52
When estimating the number of rows scanned using data from the sqlite_stat4 table, avoid allocating UnpackedRecord and KeyInfo structures until they are definitely required. check-in: 353950a5 user: dan tags: sqlite_stat4
14:18
Add a guard #ifndef to test_intarray.h to prevent harm if it is #included more than once. Add a comment on the closing #endif of the guards on sqlite3.h and test_multiplex.h. check-in: 0ad83ceb user: drh tags: trunk
01:18
Fix typos and add clarification to comments in where.c. No code changes. check-in: f8d8790e user: drh tags: trunk
2013-08-06
20:15
Fixes for builds without SQLITE_ENABLE_STAT4. check-in: 84999e27 user: dan tags: sqlite_stat4
20:01
When possible, use the multi-column samples in sqlite_stat4 to estimate the number of index rows scanned by a query plan. check-in: 2973f5ca user: dan tags: sqlite_stat4
19:18
Fix a test case related to partial indices so that it works even if STAT3 is disabled. check-in: 153c6450 user: drh tags: trunk
18:35
Adjust #ifdefs in test_autoext.c so that it compiles with SQLITE_OMIT_LOAD_EXTENSION. Fix compiler warnings in two other test modules. No changes to the core. check-in: 89930ea3 user: drh tags: trunk
18:21
Update the configure script to use the latest version number (3.8.0). check-in: 52e8ec5e user: drh tags: trunk
17:24
Add a testcase() macro to verify OOM coverage. check-in: d43dcbc4 user: drh tags: trunk
16:56
Remove unreachable branches in expr.c, replacing them with assert() and testcase() statements. check-in: 9103c27c user: drh tags: trunk
14:52
Merge in the latest changes from trunk. check-in: 69d5bed0 user: drh tags: sessions
14:36
For the ".import" command of the command-line shell, start a transaction if there is not one active already. check-in: 5dcc2d91 user: drh tags: trunk
14:01
Clean up the input reader in the command-line shell for improved legibility and performance. check-in: 2b1743d6 user: drh tags: trunk
07:45
More than double the speed of the resolveP2Values() routine in vdbeaux.c by moving from an extended if-else on every opcode to a switch. Opcodes are reordered in mkopcodesh.awk to put the switched opcodes close together, for additional performance and to reduce code footprint. check-in: 924f7e4d user: drh tags: trunk
2013-08-05
22:05
Performance optimization: Avoid calling convertCompoundSelecctToSubquery() on queries that do not use the UNION, EXCEPT, or INTERSECT operators. check-in: c589b2fe user: drh tags: trunk
21:54
For the vtshim module, always zero out the xChildDestroy function pointer after calling it. check-in: 240f7252 user: mistachkin tags: trunk
19:11
Factor all KeyInfo object allocations into a single function: sqlite3KeyInfoAlloc(). Always allocate enough space so that sqlite3VdbeRecordCompare() can avoid checking boundaries and hence run faster. check-in: 7301bedd user: drh tags: trunk
19:04
Modify the vdbe code generated by ANALYZE to use fewer memory cells and cursor slots. check-in: 4a51cf28 user: dan tags: sqlite_stat4
18:00
Use N separate cursors when scanning an index with N columns to collect sqlite_stat4 data. This fixes a problem with collecting incorrect nEq values from multi-column indexes. check-in: 3a71afe6 user: dan tags: sqlite_stat4
15:32
Improve performance of sqlite3VdbeRecordCompare() by using an approximation that might give false negatives and only running the more expensive exact subexpression if the approximation fails. check-in: 28979dcd user: drh tags: trunk
12:31
Add a missing '#include "tcl.h"' to test_rtree.c. check-in: 4b8b426f user: drh tags: trunk
05:34
Fix a couple of problems in code related to sqlite_stat4. check-in: badd24d9 user: dan tags: sqlite_stat4
2013-08-03
20:24
Begin adding experimental sqlite_stat4 table. This commit is buggy. check-in: 2beea303 user: dan tags: sqlite_stat4
2013-08-02
23:40
Updates to requirements marks. No code changes. check-in: 21302076 user: drh tags: trunk
20:44
Merge in the latest trunk changes, including partial indexes, the MAX_PATH fix in os_win.c, and the sqlite3_cancel_auto_extension() API. check-in: 7e1acb39 user: drh tags: sessions
20:11
Add NEVER() and ALWAYS() macros on some unreachable yet prudent branches. check-in: c5c0a8ab user: drh tags: trunk
16:41
Add support for partial indices. check-in: 478113f1 user: drh tags: trunk
14:18
Silently ignore database name qualifiers in CHECK constraints and in partial index WHERE clauses. Closed-Leaf check-in: 2e8c845e user: drh tags: partial-indices
13:31
Fix typos in documentation for SQLITE_DBSTATUS_DEFERRED_FKS . No changes to code. check-in: f3efbfcd user: drh tags: trunk
2013-08-01
22:27
Fix the CREATE INDEX statement so that trying to create a TEMP index on a non-TEMP table throws an error rather than segfaulting. check-in: e3c8935f user: drh tags: trunk
22:26
Fix an incorrect expected result in a test case in corruptG.test. check-in: 6913831a user: drh tags: trunk
20:26
Fix a potential buffer overread in sqlite3VdbeRecordCompare() when a serial_type specifies a field that starts in bounds but is much too large for the allocated buffer. Mostly harmless. The overread is unlikely to go more than one or two bytes past the end of the buffer. check-in: e436b2f4 user: drh tags: trunk
19:17
Make sure signed integer overflow does not cause a segfault while attempting to read a corrupt database where the header size varint on a record is larger than the maximum 32-bit signed integer. check-in: c3baca99 user: drh tags: trunk
17:43
Add test case for the problem fixed by [127a5b776d]. check-in: 65816718 user: dan tags: trunk
17:21
An improved method for avoiding the use of the STAT3 samples to compute the estimated number of outputs when the left-most index is equality constrained. This check-in undoes the previous fix and applies a new one. check-in: 127a5b77 user: drh tags: trunk
16:52
Avoid using left-most column STAT3 samples if the left-most column has an equality constrain and there are inequality constraints on the second column. check-in: 31b4e63b user: drh tags: trunk
16:02
Fix bug in the logic that determines the end of a CREATE INDEX statement. Added a VACUUM test case that exposed the bug. check-in: 2e3df0bc user: drh tags: partial-indices
15:09
More test cases and corresponding bug fixes. check-in: 0c8cfdfa user: drh tags: partial-indices
13:04
Fill out an initial implementation of the sqlite3ExprImpliesExpr() function. check-in: 8e07aa2a user: drh tags: partial-indices
12:21
Refactor internal function name sqlite3VdbeGetValue() to sqlite3VdbeGetBoundValue(). check-in: 81834c30 user: drh tags: partial-indices
04:39
Fix the ANALYZE command to work with partial indices. check-in: 60353124 user: drh tags: partial-indices
03:36
Test cases and bug fixes for the partial index logic. check-in: 6b73ae7c user: drh tags: partial-indices
01:14
Add the logic to keep partial indices up to date through DML statements and when new partial indices are created. This new logic is untested except to verify that it does not interfere with full indices. check-in: fb9044d1 user: drh tags: partial-indices
2013-07-31
23:28
Limit the number of memset() calls used when determining a temporary file name on Windows. Also, fix a harmless compiler warning. check-in: 136fc293 user: mistachkin tags: trunk
23:22
Add logic to the query planner to only use partial indices if the WHERE clause constrains the search to rows covered by the partial index. This is just infrastructure. The key routine, sqlite3ExprImpliesExpr(), is currently a no-op so that partial indices will never be used. check-in: 8ca3eac1 user: drh tags: partial-indices
22:39
Slight modifications to path name translation handling for Cygwin. check-in: 33ba1f4c user: mistachkin tags: trunk
22:27
Use a new error code to represent a failure to get the configured temporary directory on Windows. check-in: c93d891b user: mistachkin tags: trunk
19:55
The MAX_PATH constant in windows is measured in characters, so multiple by 3 to get the number of bytes assuming worst-case UTF8 pathnames. check-in: bb06e157 user: drh tags: trunk
19:05
Resolve names in CREATE INDEX WHERE clauses and detect errors. Disallow expressions that contain variables, subqueries, or functions. The expression is still not used for anything, however. still unused. check-in: f2aa7842 user: drh tags: partial-indices
18:12
Here begins an experimental branch for exploring the idea of a partial index. This check-in is able to parse a WHERE clause on a CREATE INDEX statement, but does not actually do anythingn with that WHERE clause yet. check-in: 6794b2dc user: drh tags: partial-indices
2013-07-30
15:10
Reduce the size of the stack required by the codeOneLoopStart() function in where.c. check-in: eb6d4278 user: drh tags: trunk
2013-07-29
19:03
For the MSVC makefile, recompile vdbe.lo and parse.lo first. check-in: 9e819f0f user: mistachkin tags: trunk
15:54
Comment and preprocessor macro cleanup. check-in: c0809b5e user: drh tags: trunk
13:51
In main.mk, always recompile vdbe.o and parse.o first, since changes to either parse.y or vdbe.c will cause all files to be recompiled and if there are syntax errors in vdbe.c or parse.y we want to hit them early in the compile process. check-in: a94a66d1 user: drh tags: trunk
2013-07-25
17:07
In the command-line shell, work around the fact that popen() and pclose() are not defined in stdio.h. in C89 and later. check-in: 8bcbb33f user: drh tags: trunk
16:41
Fix a typo in main.c: SQLITE_DEAULT_AUTOMATIC_INDEX -> SQLITE_DEFAULT_AUTOMATIC_INDEX check-in: cc78e21c user: dan tags: trunk
16:27
Enhance the progress handler so that it keeps track of the number of VDBE cycles across sqlite3_step() calls and issues callbacks when the cumulative instruction count reaches threshold. check-in: 4698a82e user: drh tags: trunk
2013-07-24
14:54
Another attempt at generalizing the URI parsing so that it works with a wider variety of file URIs and yet remains backwards compatible. check-in: de05eb75 user: drh tags: uri-enhancement
2013-07-23
22:28
Get the new URI logic working for Windows. Closed-Leaf check-in: 0165789f user: drh tags: uri-enhancement
20:54
Update the URI filename parser to allow (and ignore) authority names in unix and to pass the authority through to the OS on windows, as this appears to be what web-browsers are doing. check-in: 74c12dee user: drh tags: uri-enhancement
2013-07-20
00:39
Merge updates from trunk. check-in: dd4b77c8 user: mistachkin tags: toTypeFuncs
00:34
Add 'queryplantest' target to the MSVC makefile. check-in: ad0551e0 user: mistachkin tags: trunk
2013-07-19
23:58
Fixes to test numbering. check-in: f755b4b2 user: mistachkin tags: trunk
2013-07-18
20:28
Remove unused "codec" code from the command-line shell. check-in: 37abfe0c user: drh tags: trunk
18:45
Improved documentation for sqlite3_set_auxdata(). Ticket [406d3b2ef91c]. check-in: 62465ecb user: drh tags: trunk
18:29
Ensure that all auxiliary data registered by calls to sqlite3_set_auxdata() is destroyed when the VM is halted. check-in: 153deac8 user: dan tags: trunk
18:28
Fix a typo in the previous commit. Closed-Leaf check-in: cd9096e6 user: dan tags: typo
17:12
Ensure that all auxiliary data registered by calls to sqlite3_set_auxdata() is destroyed when the VM is halted. Partial fix for [406d3b2ef9]. DRH adds: Stray text accidentally inserted into vdbe.c just prior to the commit breaks the build. check-in: 71effa59 user: dan tags: typo
14:50
Fix a 8-byte alignment problem in the query planner that might cause problems on sparc when compiled with -m32. check-in: 5dcffa67 user: drh tags: trunk
14:16
Documentation changes to warn that sqlite3_set_auxdata() might call the destructor even before it returns. Also fix the regexp extension to deal with that case. Ticket [406d3b2ef91c]. check-in: 7acc8cd3 user: drh tags: trunk
2013-07-17
21:08
Fix copy/paste errors in comments in the transitive_closure virtual table. No changes to code. check-in: b1b0de29 user: drh tags: trunk