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200 most recent check-ins using file test/e_expr.test version 8f5fdd72

2018-12-14
20:28
Add a missing OP_ColumnsUsed opcode to code for expressions like "? IN (SELECT ...)" in cases where expression can use an index that may contain NULL values. (Backported fix from version 3.14.0). Leaf check-in: 11368e67 user: drh tags: branch-3.8.9
20:20
Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (Backport from 3.8.11) check-in: b29e02f8 user: drh tags: branch-3.8.9
2017-11-14
18:26
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. This is a modified cherrypick of [dae4a97a]. check-in: b2679d3b user: dan tags: branch-3.8.9
2017-11-09
04:13
Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. check-in: 30aa941f user: drh tags: branch-3.8.9
2017-07-27
22:16
Enhance the like optimization so that it works with an ESCAPE clause. check-in: 2495acf7 user: drh tags: branch-3.8.9
2017-07-21
04:08
Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f49224] which was in turn inspired by [72de49f2]. Leaf check-in: 5a3022e0 user: drh tags: branch-3.8.10
03:23
Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f492245e95], which is in turn inspired by check-in [72de49f2]. Leaf check-in: a66a5b39 user: drh tags: branch-3.8.6
2017-07-17
19:37
Try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. This is a cherry-pick of [6df18e949d36] with bug fixes. check-in: cd6ac078 user: drh tags: branch-3.8.9
19:25
When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. Closed-Leaf check-in: adc082c1 user: drh tags: push-down-backport
19:14
Do not apply the WHERE-clause pushdown optimization to terms that originate in the ON or USING clause of a LEFT JOIN. Fix for ticket [c2a19d81652f40568c]. check-in: 52674f94 user: drh tags: push-down-backport
19:07
For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Cherry-pick from [6df18e949d36]. Still need to backport bug fixes associated with that check-in. check-in: 043d6ce8 user: drh tags: push-down-backport
2017-07-08
01:01
Fix the covering index OR optimization (check-in [fcbd6abd]) so that it works with SQLITE_MAX_ATTACHED>30. Broken by a bad cherry-pick merge. check-in: d227de8a user: drh tags: branch-3.8.9
2017-07-05
16:20
Make use of covering indexes in the OR optimization. check-in: fcbd6abd user: drh tags: branch-3.8.9
14:54
Add the count-of-view optimization when compiled using SQLITE_COUNTOFVIEW_OPTIMIZATION. check-in: b7ae4b87 user: drh tags: branch-3.8.9
2017-06-06
18:22
Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated number of rows in tables that lack sqlite_stat1 entries. check-in: 802b82f3 user: drh tags: branch-3.8.9
2017-05-24
04:32
Fix a problem in STAT4 equality estimation for multi-column indexes introduced by check-in [3e0590dee0e68cc1599]. check-in: 19dad0a7 user: drh tags: branch-3.8.9
2017-05-22
00:27
When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. check-in: 962531e7 user: drh tags: branch-3.8.9
2017-01-11
14:21
In the STAT4 computations, ensure that the aAvgEq values do not go negative. check-in: 4f83f680 user: drh tags: branch-3.8.9
2016-11-02
16:29
When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4] backported to the 3.8.9 branch. check-in: 8e4ba115 user: drh tags: branch-3.8.9
2016-09-23
18:06
Fix the ORDER BY LIMIT optimization backport so that it works when the ORDER BY uses the DESC direction. check-in: 0c3cafb7 user: drh tags: branch-3.8.9
2016-09-14
01:43
Backport the ORDER BY LIMIT optimization to version 3.8.9. check-in: db361482 user: drh tags: branch-3.8.9
2016-08-10
03:35
Try to make pcache1TruncateUnsafe() run faster for the case where iLimit is very close to iMaxKey. Leaf check-in: 9ab53605 user: drh tags: debug
02:54
Remove all timers and other debugging logs except for the one timer on pcache1TruncateUnsafe(). check-in: 5980e625 user: drh tags: debug
2016-08-09
11:44
Add another timer on pcache1TruncateUnsafe(). check-in: 42ce53f6 user: drh tags: debug
11:23
Add a debug timer to pcache1Truncate(). Change the formatting of some other messages to make them easier to read. check-in: 7d0af4b5 user: dan tags: debug
01:21
Refocus the timer on the pager_end_transaction() routine. check-in: 9d4eb6e4 user: drh tags: debug
2016-08-04
14:08
Add extra logging calls to this branch. check-in: 491f1ef3 user: dan tags: debug
2016-07-30
03:33
A new version of the slow mutex log that uses gettimeofday() instead of trying to access the hardware timer. check-in: 92b9fead user: drh tags: debug
2016-07-29
16:32
Turn memory status off by default. check-in: ea3c7162 user: drh tags: debug
14:31
Enhance a debugging log message to better identify a mutex. check-in: e60cb6d8 user: dan tags: debug
14:23
Use __sync_synchronous(), when available, instead of a mutex when a memory barrier is needed. check-in: 7d4562e9 user: drh tags: debug
14:10
Add calls to sqlite3_log() when sqlite3_mutex_enter() takes more than 100,000 CPU cycles. check-in: 33c7ef7a user: drh tags: debug
2016-07-16
11:47
Temporarily add extra sqlite3_log() calls to this version to help with debugging a performance problem. check-in: 613c1cea user: dan tags: debug
2016-07-14
20:19
Experimental patch restore the slight bias in btree-balancing immediately after the change to reduces the amount of memcpy() work done by balancing. Leaf check-in: 46bd9533 user: drh tags: btree-balance-bias
2015-09-12
04:22
Fix comments. check-in: de3fa51e user: mistachkin tags: mutexInitCmpSwap
04:19
Specifying an invalid mutex implementation (via SQLITE_CONFIG_MUTEX) should cause the default one to be used instead. check-in: 1a97bc81 user: mistachkin tags: mutexInitCmpSwap
03:40
Clarify the new mutex implementation reset logic in sqlite3_shutdown(). check-in: f9a03483 user: mistachkin tags: mutexInitCmpSwap
03:35
Add more asserts to the mutex subsystem. check-in: 7562f1fb user: mistachkin tags: mutexInitCmpSwap
01:17
Fix typo in the Win32 implementation of sqlite3CompareAndSwap. check-in: 31a26a1d user: mistachkin tags: mutexInitCmpSwap
2015-09-11
23:24
Make sure that the mutex implementation can be altered after calling sqlite3_shutdown(). check-in: dc2cf897 user: mistachkin tags: mutexInitCmpSwap
18:05
Fix harmless compiler warnings. check-in: bfc7b84b user: mistachkin tags: trunk
15:32
More test cases in test/json102.test corresponding to new examples in the json1 documentation. check-in: f599a42e user: drh tags: trunk
14:15
Fix some compiler warnings in fts5 code. check-in: 0dc43611 user: dan tags: trunk
05:06
Enhance mutex initialization to prevent possible race conditions between sqlite3_initialize() and sqlite3_config(). Also, re-check sqlite3GlobalConfig.isInit after the mutex subsystem has been initialized. check-in: f6a8f577 user: mistachkin tags: mutexInitCmpSwap
01:22
Updates to the sqlite3_value_subtype() and sqlite3_result_subtype() documentation and to test cases for json1 dealing with those interfaces. check-in: d6cadbe9 user: drh tags: trunk
00:26
Add new interfaces sqlite3_value_subtype() and sqlite3_result_subtype(). Update the json1.c extension to take advantages of those interfaces to avoid the goofy '$$' path syntax and to allow nested calls to json_array() and json_object() that work as expected. check-in: db4152ae user: drh tags: trunk
00:06
Take out the goofy '$$' path syntax. Instead, use subtypes to communicate when a string is JSON. Add the json() function that validates and minifies the JSON and sets the appropriate subtype. Closed-Leaf check-in: 8a80d645 user: drh tags: subtypes
2015-09-10
20:40
Make the sqlite3_value_subtype() and sqlite3_result_subtype() interfaces available to loadable extensions. check-in: c6fca0be user: drh tags: subtypes
20:34
Experimental implementation of sqlite3_result_subtype() and sqlite3_value_subtype() interfaces. check-in: 7b5be299 user: drh tags: subtypes
19:22
Fix a potential NULL pointer deref in the testing logic of pcache1. NB: The -DSQLITE_TEST compile-time option is needed to hit the problem. check-in: f5580f08 user: drh tags: trunk
17:23
Modify the fts5 leaf page format to permit faster seek operations. This is a file-format change. Any existing databases can be upgraded by running the fts5 'rebuild' command. check-in: 0c0c4ae9 user: dan tags: trunk
17:20
Create separate "path" and "root" columns in the json_each() and json_tree() virtual tables. "Root" is the 2nd parameter and is fixed. "Path" varies as json_tree() walks the hierarchy. check-in: 127cce3e user: drh tags: trunk
16:39
Increment the fts5 version value to indicate that the on-disk format has changed. Closed-Leaf check-in: 99de5e36 user: dan tags: fts5-incompatible
16:19
Fix a segfault in fts5 that could occur if the database contents were corrupt. check-in: 4931e37d user: dan tags: fts5-incompatible
15:52
Merge latest changes from trunk. Including fts5_expr.c fixes. check-in: 716e7e74 user: dan tags: fts5-incompatible
15:49
Update description of on-disk format in fts5_index.c. check-in: 85aac7b8 user: dan tags: fts5-incompatible
15:24
Make the sqlite3ext.h header file responsive to -DSQLITE_OMIT_LOAD_EXTENSION. check-in: 47a46a9f user: drh tags: trunk
15:22
Disable tests for json_each() and json_tree() on builds where virtual tables are not supported check-in: bb8ee3b1 user: drh tags: trunk
15:20
Fix the --help option on test/releasetest.tcl. Also fix the final error count so that it includes a count of subtest crashes. check-in: 9ecf684d user: drh tags: trunk
10:40
Revert an accidentally committed makefile change. check-in: 402704b1 user: dan tags: fts5-incompatible
10:01
Fix an fts5 problem that could occur if a term and the first associated rowid are on different leaf pages. check-in: ffe2796a user: dan tags: fts5-incompatible
05:40
Change the array of 16-bit offsets at the end of each page to an array of varints. check-in: fab245be user: dan tags: fts5-incompatible
04:17
Attempt to declare sqlite3MemoryBarrier() correctly for all possible build configurations. check-in: da8a288f user: drh tags: trunk
03:29
Fix the json_tree() scan for the case when a path is supplied. Add new json1 test cases. check-in: 6adc7de7 user: drh tags: trunk
01:22
No-op the sqlite3_memory_alarm() interface in a different way, that does not break legacy memory behavior. This is a re-do of check-in [5d3f5df4da9f40d5]. check-in: 8250e2a4 user: drh tags: trunk
2015-09-09
23:54
Fix harmless compiler warning in FTS5. check-in: 86146a73 user: mistachkin tags: trunk
19:44
Fix an assert() enabled by SQLITE_ENABLE_EXPENSIVE_ASSERT in wal.c. check-in: 8d2ed150 user: dan tags: trunk
19:27
Fix a possible NULL pointer deref when using SQLITE_ENABLE_MEMORY_MANAGEMENT. check-in: 89bfdbfe user: drh tags: trunk
17:23
Fix harmless compiler warning. check-in: 280fd3a4 user: mistachkin tags: trunk
17:17
Fix harmless compiler warnings in FTS5. check-in: 2cdb1877 user: mistachkin tags: trunk
13:28
When running a CREATE TABLE AS, make the initial temporary sqlite_master entry for the new table a real record rather than a NULL, in case the query after the AS actually tries to read the sqlite_master table. Fix for ticket [acd12990885d9276]. check-in: 4a18d8bd user: drh tags: trunk
08:15
Fix a bug in preprocessor macros within fts5_main.c. check-in: 0eb2b952 user: dan tags: fts5-incompatible
2015-09-08
21:16
Remove an unused local variable from Lemon. check-in: fe9ffe5e user: drh tags: trunk
21:12
Enhance the DBSTAT virtual table with a new hidden table "schema" that if set will cause the table to report on the specified schema rather than on "main". Also: Fix a faulty assert in sqlite3_context_db_handle(). check-in: 6beb512c user: drh tags: trunk
20:26
Eponymous virtual tables exist in the "main" schema only. Enforce this rule. check-in: 06f90bb2 user: drh tags: trunk
19:55
Remove the 0x00 terminators from the end of fts5 doclists stored on disk. check-in: 00d99006 user: dan tags: fts5-incompatible
17:31
Fix the help message that sqlite3_analyzer.exe generates for invalid arguments. check-in: 33a14e7b user: drh tags: trunk
2015-09-07
23:40
Minor tweaks to Lemon. check-in: 98667722 user: drh tags: trunk
20:22
Merge parser enhancements and other improvements and bug fixes from trunk. check-in: 9cf3e51b user: drh tags: begin-concurrent
20:11
Enhance the Lemon parser generator to add SHIFTREDUCE states that reduce the sizes of some of the parser tables. check-in: 99b992fa user: drh tags: trunk
20:02
Fix an unreachable branch in the new parse automaton. Closed-Leaf check-in: e9d604b4 user: drh tags: lemon-update
19:52
Change the parser engine so that it (once again) waits for a lookahead token before reducing, even in a SHIFTREDUCE action. check-in: 2c17a135 user: drh tags: lemon-update
18:23
For the Lemon-generated parser, add a new action type SHIFTREDUCE and use it to further compress the parser tables and improve parser performance. check-in: 531c3974 user: drh tags: lemon-update
14:22
In the "parse.out" output file from Lemon, show addition the complete text of rules on reduce actions. check-in: b6ffb7e4 user: drh tags: trunk
08:14
Use macros to make the code in fts5_index.c easier to read. check-in: 67ff5ae8 user: dan tags: fts5-incompatible
02:23
Improved "Parser Statistics" output (the -s option) for the Lemon parser generator. check-in: 809503e4 user: drh tags: trunk
2015-09-06
10:31
Improved memory barrier that should work with MinGW on older versions of Windows. check-in: 47dc24bd user: drh tags: trunk
02:51
Add a memory barrier to the mutex initialization logic, try to work around an issue reported by WebKit. check-in: 11a9a786 user: drh tags: trunk
2015-09-05
22:36
Omit all use of Expr nodes for TK_AS, as those nodes no longer served a useful purpose and in fact interferred with the query planner. check-in: 7ab0b258 user: drh tags: trunk
19:52
Experiment with a different fts5 leaf page format that allows faster seeks. check-in: a1f4c3b5 user: dan tags: fts5-incompatible
19:21
Fix an unreachable conditional in the WHERE clause analysis logic. check-in: 24924a58 user: drh tags: trunk
19:07
Get STAT4 range scan estimates work again when the bounds are determined by date/time functions. check-in: d2761357 user: drh tags: trunk
2015-09-04
18:03
Fix over-length source code lines in Lemon. check-in: 1efece95 user: drh tags: trunk
17:32
Add support for CREATE INDEX statements that use deterministic expressions rather than only column names. check-in: 2131a5ca user: drh tags: trunk
17:22
Merge the latest trunk changes, and especially the fix for allowing strings as identifiers in CREATE INDEX statements. check-in: a9b84885 user: drh tags: begin-concurrent
16:39
Remove the EXCLUSIVE and CONCURRENT tokens from the tokenizer. Let the BEGIN statement be followed by an ID, but throw a syntax error if the ID is anything other than EXCLUSIVE or CONCURRENT. check-in: c0bf92ec user: drh tags: begin-concurrent
13:02
Merge trunk enhancements, and espeically the fix for allowing strings as column identifers in CREATE INDEX statements. Closed-Leaf check-in: 5ff85529 user: drh tags: index-expr
12:54
Continue to support the (broken) legacy syntax of allowing strings for column names in CREATE INDEX statements and in UNIQUE and PRIMARY KEY constraints. check-in: 3d3df79b user: drh tags: trunk
11:13
Enhance showfts5.tcl so that it can optionally display the number of terms in each segment. check-in: d648ddd9 user: dan tags: trunk
10:31
Modify the fts5 custom tokenizer interface to permit synonym support. The fts5_api.iVersion value is now set to 2. Existing fts5 custom tokenizers (if there are such things) will need to be updated to use the new api version. check-in: 0b7e4ab8 user: dan tags: trunk
10:24
Merge latest trunk changes. Closed-Leaf check-in: 443a5eb8 user: dan tags: fts5-incompatible
04:31
Simplification of the LRU list handling in pcache1. check-in: 05a3a2cd user: drh tags: trunk
2015-09-03
20:52
Merge performance enhancements from trunk. This branch now runs (slightly) faster than the 3.8.11.1 release, though still slightly slower than trunk. check-in: c490bfb1 user: drh tags: begin-concurrent
20:43
Change the pcache module to keep track of the total number of references to all pages rather than the number of pages references, for a performance improvement and size reduction. check-in: f00a9e1e user: drh tags: trunk
19:48
Rearrange code in fts5_expr.c so that synonym support does not slow down the common case. check-in: 80188281 user: dan tags: fts5-incompatible
18:57
Merge enhancements from trunk. check-in: 4b49fe99 user: dan tags: fts5-incompatible
18:20
A simple optimization and size reduction in sqlite3PagerAcquire(). check-in: 618d8dd4 user: drh tags: trunk
18:05
Add documentation for fts5 synonym support. check-in: 58aa1f43 user: dan tags: fts5-incompatible
17:54
Change the Pager.hasBeenUsed flag into Pager.hasHeldSharedLock in order to take it off the critical path in sqlite3PagerAcquire(). check-in: b79096be user: drh tags: trunk
15:37
Add tests to improve coverage of fts5_varint.c. check-in: 89f24f31 user: dan tags: fts5-incompatible
15:17
Changes from ENABLE_CONCURRENT (default off) to OMIT_CONCURRENT (default on). This is not a clear-cut decision and might be changed back. check-in: f8ae9bfd user: drh tags: begin-concurrent
14:48
Merge recent trunk enhancements. check-in: 6a513c05 user: drh tags: sessions
14:39
Merge enhancements from trunk. check-in: 25ee3000 user: drh tags: cursor-hints
14:31
Merge enhancements from trunk. check-in: d01658ad user: drh tags: apple-osx
14:22
Remove some more code from fts5_index.c by consolidating similar functions. check-in: 59ae30b9 user: dan tags: fts5-incompatible
14:18
Merge enhancements from trunk. check-in: 1ab10cbf user: drh tags: index-expr
14:04
Merge trunk optimizations. check-in: 71e7299e user: drh tags: begin-concurrent
13:46
Add the sqlite3VdbeLoadString() and sqlite3VdbeMultiLoad() routines to help with code generation, especially on PRAGMAs. Rename sqlite3VdbeAddGoto() to just sqlite3VdbeGoto(). check-in: 847387ec user: drh tags: trunk
11:17
Remove dead code from fts5_index.c. check-in: 8a0a9b01 user: dan tags: fts5-incompatible
11:00
Fix the fts5 integrity-check so that it works with columnsize=0 tables. check-in: 11b887b1 user: dan tags: fts5-incompatible
10:27
Fix a memory leak in fts5_expr.c. check-in: 399932a1 user: dan tags: fts5-incompatible
04:28
Factor out and simplify code in pragma.c for pragmas that return a single row with a single column that is an integer or text value. check-in: d7f4bdf5 user: drh tags: trunk
03:29
For PRAGMAs, factor out the code that sets the result set column names into a subroutine. check-in: 0ea6e5c9 user: drh tags: trunk
2015-09-02
21:00
Optimizations to the printf formatter. check-in: a3b35dde user: drh tags: trunk
19:48
Further tests to raise coverage of fts5 synonym code to 100%. Fix a dropped error code in the same. check-in: bdedd838 user: dan tags: fts5-incompatible
18:56
Fix an issue with fts5 synonyms and NEAR(...) queries. check-in: f2e59070 user: dan tags: fts5-incompatible
18:40
Add and use the sqlite3VdbeChangeOpcode() routine. Simplify the implementation of the other sqlite3VdbeChange*() routines. check-in: 0a5b00e4 user: drh tags: trunk
18:19
Add the sqlite3VdbeAddGoto(v,i) routine as a shorthand for sqlite3VdbeAddOp2(v,OP_Goto,0,i). check-in: be78f413 user: drh tags: trunk
17:55
Change sqlite3_sql() so that it always returns the SQL text of the prepared statement, if the text is available, even if the the prepared statement was generated using sqlite3_prepare() instead of sqlite3_prepare_v2(). Also include some minor comment fixes and code simplifications. check-in: 2f5472cf user: drh tags: trunk
17:34
Fix a problem with fts5 synonyms and phrase queries. Also fix an OOM handling bug in fts5. check-in: a4c35fa2 user: dan tags: fts5-incompatible
16:51
Small simplification to the EXPLAIN QUERY PLAN logic. check-in: d1592d20 user: drh tags: trunk
15:37
Use sqlite3XPrintf() instead of sqlite3StrAccumAppend() in a few places for better performance and a smaller footprint. check-in: 82355e41 user: drh tags: trunk
14:56
The sqlite3_memory_alarm() interface has been deprecated and undocumented for almost 8 years (since version 3.5.3). Change it into a no-op. check-in: 5d3f5df4 user: drh tags: trunk
14:17
Fix a problem handling OOM conditions within fts5 queries that feature synonyms. check-in: 11fa9808 user: dan tags: fts5-incompatible
12:52
This change is not correct for the boundary case of nCellKey==0. Was: Small performance gain and size reduction in sqlite3VdbeIdxKeyCompare(). Closed-Leaf check-in: 6e0298cd user: drh tags: mistake
08:22
Fix a problem with fts5 synonyms and the xQueryPhrase() auxiliary function API. check-in: cf3e45e7 user: dan tags: fts5-incompatible
2015-09-01
23:51
Very minor optimizations in the unix VFS. check-in: 6db3ff45 user: drh tags: trunk
22:29
Performance improvement in sqlite3VarintLen(). check-in: adf9fefb user: drh tags: trunk
20:09
Small size reduction and performance increase in sqlite3DbMallocSize(). check-in: 8a80967f user: drh tags: trunk
19:51
Reduce the number of calls to sqlite3BeginBenignMalloc(). check-in: 0bee6583 user: drh tags: trunk
18:52
Merge recent enhancements from trunk. check-in: cb772366 user: drh tags: sessions
18:44
Fix a problem that occurs when more than 4 synonyms for a term appear within a single row. check-in: cd359550 user: dan tags: fts5-incompatible
18:40
Merge the latest trunk enhancements. check-in: 4af79477 user: drh tags: apple-osx
18:31
Merge enhancements from trunk. check-in: 29570a60 user: drh tags: cursor-hints
18:08
Add tests for fts5 synonyms implemented by adding extra terms to queries. And fixes for the same. check-in: dbcb7380 user: dan tags: fts5-incompatible
18:01
Merge the latest trunk enhancements. check-in: 3dea0474 user: drh tags: begin-concurrent
17:48
Fixes so that it builds without warnings both with and without SQLITE_ENABLE_CONCURRENT. check-in: 5ed2a445 user: drh tags: begin-concurrent
13:17
Rename SQLITE_FUNC_VARYING to SQLITE_FUNC_SLOCHNG - a more descriptive name for what that bit means. check-in: ff5137a6 user: drh tags: index-expr
00:42
Remove unreachable branches. check-in: fd4da231 user: drh tags: index-expr
2015-08-31
23:09
Fix a bug in error reporting when a UNIQUE index on expressions fails its uniqueness test. check-in: 5a2c0e90 user: drh tags: index-expr
21:16
Not only date/time functions, but also functions like sqlite_version() and changes() need to be prohibited from use inside of indexes. check-in: 48713130 user: drh tags: index-expr
20:06
Begin changes to allow synonym support by adding multiple terms to a query (an alternative to adding multiple terms to the FTS index). check-in: ad7feaed user: dan tags: fts5-incompatible
19:38
Always assume that indexed expressions can generate a NULL. Get indexed expressions working for the case of two or more expressions in the same index. check-in: cc60321a user: drh tags: index-expr
18:13
Case should not be significant when comparing function names. check-in: e2f1caf1 user: drh tags: index-expr
17:34
Make the distinction between truly deterministic functions and date/time functions which only return the same answer for a single query. Only truly deterministic functions are allowed in indexes. Add new expression index test cases. check-in: c77554b5 user: drh tags: index-expr
15:58
Improved analysis and usage of indexed expressions in the query planner. check-in: f8893696 user: drh tags: index-expr
14:27
Merge the latest enhancements from trunk. check-in: 7bde6d4d user: drh tags: index-expr
2015-08-29
19:41
Enhance the json_extract() function so that if given multiple PATH arguments it will return a JSON array with all of the answers. Also update comments within the json1 extension to reflect stricter interpretation of JSON and PATH arguments. check-in: 1da60c3d user: drh tags: trunk
19:03
Link the json1 extension into the command-line shell by default. check-in: 2e8e239c user: drh tags: trunk
18:46
Add a test for an fts5 tokenizer that supports synonyms by adding multiple entries to the fts index. check-in: 98d07d16 user: dan tags: fts5-incompatible
18:30
New test cases for the json1 extension. check-in: daff4832 user: drh tags: trunk
17:22
Fix the build with -DSQLITE_OMIT_VIRTUALTABLE. check-in: 752918de user: drh tags: trunk
16:02
Do not consider an empty string to be valid JSON. Add some additional JSON test cases. check-in: fd19ff02 user: drh tags: trunk
15:44
Another change to the fts5 tokenizer API. check-in: fc718684 user: dan tags: fts5-incompatible
00:54
Change the json1.c module so that it throws an error if any of the JSON selector paths are malformed. check-in: 3aa0855f user: drh tags: trunk
2015-08-28
20:07
Back out the json_check() routine. Instead, throw an error if the input to a json function (other than json_valid()) is not valid JSON. check-in: dc9ce7b1 user: drh tags: trunk
19:56
Change the fts5 tokenizer API to allow more than one token to occupy a single position within a document. check-in: 90b85b42 user: dan tags: fts5-incompatible
16:41
Fix compiler warnings in rbu code. check-in: 0fdc36fe user: dan tags: trunk
16:18
When searching the wal file for a frame, do not search that part that was already checkpointed when the transaction was opened. check-in: a84cf4f5 user: dan tags: trunk
15:50
Merge latest trunk into this branch. Closed-Leaf check-in: ab93024d user: dan tags: wal-read-change
15:35
Fix a potential segfault in the VFS logic that checks for fail renames out from under SQLite. check-in: 650111f6 user: drh tags: apple-osx
13:27
Disable the read-only WAL-mode database tests on the apple-osx branch because read-only WAL-mode databases are specifically disallowed by Apple-specific changes. check-in: bd911496 user: drh tags: apple-osx
09:27
Merge latest trunk changes with this branch. check-in: 57bc0194 user: dan tags: begin-concurrent
03:48
Add the json_check() function, which returns its argument if the argument is well-formed JSON or which throws an error otherwise. check-in: 64abb65d user: drh tags: trunk
03:33
Enhance the json_insert(), json_replace(), and json_set() functions with the ability to add JSON instead of text if the argument is text and if the PATH begins with '$$' instead of just '$'. check-in: 44f103d8 user: drh tags: trunk
02:12
Merge trunk enhancements into the apple-osx branch. Most tests works, but there are yet a few issues to be resolved. check-in: da864658 user: drh tags: apple-osx
2015-08-27
23:42
Fix the OR-optimization so that it always ignores subplans that do not use an index. check-in: cf452028 user: drh tags: index-expr
23:18
Fix the OR-optimization so that it always ignores subplans that do not use an index. check-in: 66f92a16 user: drh tags: trunk
20:33
Fix EXPLAIN QUERY PLAN output for indexed-expressions. Fix another obscure fault in the WHERE term scanner. check-in: 73d361ce user: drh tags: index-expr
19:57
Add header comments for new methods in pager.c. check-in: 437c7e21 user: dan tags: begin-concurrent
19:56
Fix problems in the indexed-expression handling in the optimizer. check-in: 03375017 user: drh tags: index-expr
19:22
Add test cases for concurrent transactions and long-lived SELECT statements. check-in: fd4798cb user: dan tags: begin-concurrent
18:24
Activate the ability to use expressions in indexes in a query. There are some test failures, but mostly this seems to work. check-in: 42f93f58 user: drh tags: index-expr
17:42
Fix a problem whereby concurrent transactions would not consider pages read by the transaction before the first write statement. check-in: fc17f731 user: dan tags: begin-concurrent
16:07
Merge changes from trunk. check-in: c80e9e8e user: drh tags: index-expr
15:58
Adjustments to the WHERE term scanning, to better handle scanning terms of an index. check-in: 5611130a user: drh tags: index-expr
2015-08-26
21:08
Reduce the size of the WhereScan object by 24 bytes while also clarifying its operation. check-in: cbc3c9a8 user: drh tags: trunk
18:54
Fix an assert() in pager.c that could fail in a concurrent transaction. check-in: 69394dda user: dan tags: begin-concurrent
18:04
Merge enhancements from trunk. check-in: ec6ddb3d user: drh tags: index-expr
18:02
Fix a problem allowing some conflicting transactions to be committed. check-in: a0566382 user: dan tags: begin-concurrent
14:01
Evaluate expressions only once when the same expression is used in both the result set and in the ORDER BY clause. check-in: c2f3bbad user: drh tags: trunk
11:40
Refactor With.a.zErr into With.a.zCteErr. No logic changes. check-in: 58ba7363 user: drh tags: trunk
11:34
Update the TreeView output for compound SELECT statements so that all entries are shown vertically aligned rather than each successive entry being indented. check-in: 65a89187 user: drh tags: trunk
2015-08-25
19:42
Move sqlite3IndexColumnAffinity() inside of SQLITE_ENABLE_STAT3_OR_STAT4. check-in: b3732a4e user: drh tags: trunk
19:24
Merge trunk enhancements. check-in: e8b02902 user: drh tags: index-expr
19:20
Use the sqlite3IndexColumnAffinity() routine to quickly and correctly find the affinity of an index column. check-in: 1ee089a7 user: drh tags: trunk
19:10
Add miscellaneous test cases for concurrent transactions. check-in: 779b1d0e user: dan tags: begin-concurrent
17:16
If "PRAGMA integrity_check" is run while the database is being written by a CONCURRENT transaction, do not consider unreferenced pages to be an error. They may be part of the free-page list, which is not visible at the b-tree layer when running a CONCURRENT transaction. check-in: f32b57b4 user: dan tags: begin-concurrent
16:57
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. check-in: efaabdb7 user: drh tags: index-expr
16:01
Test that if a corrupt wal-index header is encountered when attempting to commit a concurrent transaction, SQLITE_BUSY_SNAPSHOT is returned to the caller. check-in: c746e0bd user: dan tags: begin-concurrent