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55 check-ins using file test/speedtest1.c version ffb96750

2017-02-17
21:23
Increase the estimated cost of sorting when sorting wide results sets, to account for the extra storage space and I/O required for the external sort. (Leaf check-in: 38298ef9 user: drh tags: apple-increased-sorting-cost)
2016-11-26
20:12
Update test case for opening SHM files read/write on a read-only connection so that they are only attempted on Darwin with SQLITE_ENABLE_PRESIST_WAL. (check-in: d6a7bf80 user: drh tags: apple-osx)
2016-11-17
14:02
When opening the *-shm file for a readonly database, try to open it in read-write mode before falling back to readonly. This is in case some other read/write connection within the same process uses the same file descriptor. (check-in: a07c581e user: dan tags: apple-osx)
2016-11-07
18:18
Fix OOM error reporting in the json1_group_object() SQL function. Remove an unreachable branch from the JSON1 logic. (check-in: b5409849 user: drh tags: trunk)
15:15
Replace some unreachable branches from the JSON1 extension with assert(). (check-in: 145cd13e user: drh tags: trunk)
13:37
Fix the JSON1 extension so that the JSON validator correctly rejects malformed backslash escapes within string literals. (check-in: 7a635391 user: drh tags: trunk)
2016-11-04
19:09
Merge recent trunk changes, including all the fixes that appeared in version 3.15.1. (check-in: 0e5ffd91 user: drh tags: apple-osx)
12:05
Avoid a crash that can occur after an obscure OOM in the built-in INSTR() function. (check-in: b86b79c4 user: dan tags: trunk)
12:03
Mark the ICU extension functions as deterministic. (check-in: afbbb6c6 user: drh tags: trunk)
11:23
Add an assert() to silence a coverity false-positive. (check-in: 97354093 user: drh tags: trunk)
07:25
Fix a test case in vacuum5.test so that it works with the in-memory journal permutation. (check-in: 81c86401 user: dan tags: trunk)
2016-11-03
21:35
Replace a couple more references to Tcl 8.5 in the Windows build tools. (check-in: 1d0e43c5 user: mistachkin tags: trunk)
19:24
Fix a test case in vacuum5.test sot aht it works with -DSQLITE_ENABLE_ATOMIC_WRITE. (check-in: 3ca80010 user: dan tags: trunk)
19:01
Fix a test case in vacuum5.test so that it works with -DSQLITE_TEMP_STORE=2. (check-in: f5dd95e2 user: dan tags: trunk)
13:12
In the command-line shell, fix the .imposter command so that it works with indexes on expressions. Fix the ".mode quote" mode so that it works with ".headers ON". (check-in: ba9873da user: drh tags: trunk)
13:01
Add the ".imposter" command to the command-line shell. (check-in: be3ec8fd user: drh tags: trunk)
02:25
Fix an possible NULL pointer deference in the command-line shell that can occur when using imposter mode. (check-in: ad08753a user: drh tags: trunk)
2016-11-02
19:49
Adjust the MSVC makefile to use Tcl8.6 by default. (check-in: def8f598 user: drh tags: trunk)
14:50
Fix an issue that was causing the new database image to be assembled entirely in heap memory when VACUUMing a database, even if it should use a temp file. This could cause SQLITE_NOMEM errors when vacuuming very large databases on 32-bit systems. (check-in: 30288453 user: dan tags: trunk)
13:18
Fix a requirement mark. No changes to code. (check-in: d18f61b7 user: drh tags: trunk)
02:17
Use NOT NULL partial indexes when the query is constrained by a single LIKE or GLOB. (check-in: 9b3a3b41 user: drh tags: trunk)
2016-10-31
16:49
Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (check-in: 6d142025 user: dan tags: trunk)
16:16
Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (Closed-Leaf check-in: 093d2fc2 user: dan tags: no-ckpt-on-close)
2016-10-27
14:51
Remove the mutex from test_multiplex.c. (check-in: 6374978e user: dan tags: trunk)
01:02
Make sure left-join markings are transferred to the virtual scalar subexpressions when decomposing a vector comparison in the ON clause of a LEFT JOIN. Fix for ticket [fef4bb4bd9185ec8f]. (check-in: 619f5cc7 user: drh tags: trunk)
2016-10-26
18:41
Small size reduction and performance enhancement in whereScanInit(). (check-in: c23f5ef3 user: drh tags: trunk)
17:57
Small size reduction and performance improvement in whereScanNext(). (check-in: d861ee17 user: drh tags: trunk)
16:05
If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. Fix for ticket [34a579141b2c5ac] (check-in: ec9dab80 user: dan tags: trunk)
15:46
If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. (Closed-Leaf check-in: e7b9bc67 user: dan tags: leftjoin-or-fix)
13:58
Merge the SQLITE_ENABLE_URI_00_ERROR compile-time option. (check-in: 86675ae0 user: drh tags: trunk)
13:44
Add extra tests to check the result of including a %00 escape in a URI when ENABLE_URI_00_ERROR is defined. (Closed-Leaf check-in: 1aaa06e3 user: dan tags: uri-00-error)
12:58
Add an elapsed-time output for faststat1.c. (check-in: 71167951 user: drh tags: est_count_pragma)
12:15
Add compile time option SQLITE_ENABLE_URI_00_ERROR. If defined, any "%00" escape found in a URI is treated as an error. (check-in: e8a9bfec user: dan tags: uri-00-error)
2016-10-25
19:39
Simplifications to faststat1.c. Fix a bug in sqlite3MovetoProportional() for very large b-trees. (check-in: f7f78147 user: drh tags: est_count_pragma)
19:21
Further refinements to the faststat1.c utility. (check-in: b051fd19 user: drh tags: est_count_pragma)
18:28
Enhance faststat1.c to deal better with WITHOUT ROWID tables. (check-in: 65444f2e user: drh tags: est_count_pragma)
17:28
Merge recent trunk changes, and especially the PRAGMA index_info enhancement which is needed on this branch. (check-in: c3570e46 user: drh tags: est_count_pragma)
15:39
Enhance the "PRAGMA index_info" and "PRAGMA index_xinfo" statements so that they work on WITHOUT ROWID tables and provide information about the underlying index btree that implements the WITHOUT ROWID table. (Leaf check-in: fe49fb03 user: drh tags: index-info-on-table)
15:06
Add test case to demonstrate a "BEGIN EXCLUSIVE" command returning SQLITE_BUSY_SNAPSHOT. (check-in: b1158564 user: dan tags: trunk)
13:57
First attempt at a utility program to compute sqlite_stat1 without doing a full table scan. (check-in: 7b83581a user: drh tags: est_count_pragma)
2016-10-24
01:01
Performance optimization in moveToRoot(). Avoid repeated validity checking of the root page on each call. Once is enough. (check-in: 98795c2d user: drh tags: trunk)
2016-10-22
01:22
In the sessions module, avoid recording a change if an UPDATE statement overwrites a column with REAL affinity containing an integer value with the same value. (check-in: 5f3e6028 user: drh tags: trunk)
2016-10-21
21:21
In the sessions module, avoid recording a change if an UPDATE statement overwrites a column with REAL affinity containing an integer value with the same value. (Closed-Leaf check-in: b861328a user: dan tags: sessions-fix)
18:01
When reading from an index, the shared-cache lock must be on the corresponding table. (check-in: 04fe12b5 user: drh tags: est_count_pragma)
17:45
Merge updates from trunk, and especially the ".mode quote" enhancement to the shell. (check-in: 0c8a5b88 user: drh tags: est_count_pragma)
17:39
Add ".mode quote" to the command-line shell. (check-in: c4f5fa78 user: drh tags: trunk)
17:25
Add the btree_sample(INDEX,LOCATION,LIMIT) pragma. (check-in: affc2ef5 user: drh tags: est_count_pragma)
15:36
Fix problems in the est_count pragma for indexes and WITHOUT ROWID tables. (check-in: c39fd9b8 user: drh tags: est_count_pragma)
10:49
Avoid using the "direct overflow read" optimization to read large blobs if the pager layer has a wal file open - even if the database header indicates that the db is not a wal database. (check-in: b54c15f1 user: dan tags: trunk)
10:09
If SQLITE_DIRECT_OVERFLOW_READ is defined at compile time, add "DIRECT_OVERFLOW_READ" to the list of symbols returned by "PRAGMA compile_options". (check-in: b7d9727b user: dan tags: trunk)
2016-10-20
22:02
Experimental est_count pragma. (check-in: 340822af user: drh tags: est_count_pragma)
18:20
Add the ability for the PRAGMA statement to accept multiple arguments. Currently all arguments other than the first are ignored. (Leaf check-in: fd81d8a4 user: drh tags: multi-arg-pragma)
11:48
Add test case to incrblob4.test. No changes to code. (check-in: fd9c6ff0 user: dan tags: trunk)
2016-10-18
16:36
Minor simplification of the comparison opcodes. (check-in: 56474ebc user: drh tags: trunk)
15:29
Fix harmless uninitialized variable warnings in speedtest1.c. (check-in: 2aa7a03b user: drh tags: trunk)