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69 check-ins using file src/pager.c version 549ed868
2016-11-11
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18:08 | Reenable the SQLITE_EXPR_REF optimization for "SELECT DISTINCT ... ORDER BY" queries. (check-in: 6e2e9d38 user: dan tags: sorter-opt) | |
16:33 | Add the test/ossfuzz.c interface adaptor for OSS-FUZZ. Make previsions for testing the adaptor using fuzzcheck.c. (check-in: 119d6ef8 user: drh tags: trunk) | |
15:49 | Handle some obscure "row value misused" cases that could cause segfaults or assertion failures. (check-in: fba5fddb user: dan tags: trunk) | |
14:54 | Back out the "--raw" option on ".read" in the command-line shell. Instead, fix the command-line shell so that if EOF is reached without seeing a final semicolon, it goes ahead and passes the accumulated SQL text to SQLite. (check-in: f98c8ac8 user: drh tags: trunk) | |
09:51 | Add extra tests for the xBestIndex() virtual table method. (check-in: 642a8fba user: dan tags: trunk) | |
05:19 | In the command line shell, avoid using utf8_printf() in a couple places where it is superfluous. (check-in: 6311a8bd user: mistachkin tags: trunk) | |
04:37 | Add the --raw option to the ".read" dot-command of the command-line shell, to cause the named file to be read and sent directly into sqlite3_exec() without any interpretation. (check-in: 09233770 user: drh tags: trunk) | |
03:37 | Take care not to try to generate code for the ATTACH and DETACH commands if there were syntax errors during parsing. Fix for ticket [2f1b168ab4d4844] (check-in: b0ff183b user: drh tags: trunk) | |
2016-11-10
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21:19 | Break up the sqlite3BtreeMovetoUnpacked() routine into an eponymous routine and sqlite3BtreeMovetoIntkey(). Each routine specializes in a single kind of btree. (Leaf check-in: 9a64a4f2 user: drh tags: split-moveto) | |
20:42 | Avoid a few unnecessary calls to sqlite3BtreeMovetoUnpacked(). (check-in: eac0e827 user: drh tags: unpacked-IdxInsert) | |
20:14 | Avoid storing redundant fields in sorter records when the sort-key and data have fields in common (as in "SELECT a FROM t1 ORDER BY 1"). (check-in: 0af62fdb user: dan tags: sorter-opt) | |
17:01 | When doing a REPLACE on a WITHOUT ROWID table with no secondary indexes, bypass the OP_NoConflict/OP_Delete sequence and directly overwrite any preexisting row, for a performance increase. (check-in: f7041cbb user: drh tags: unpacked-IdxInsert) | |
16:07 | Remove C++ style comments. No code changes. (check-in: 42f8aa62 user: drh tags: unpacked-IdxInsert) | |
14:24 | Add the unpacked key fields to OP_IdxInsert for INSERT and UPDATE statements. (check-in: 67602e40 user: drh tags: unpacked-IdxInsert) | |
2016-11-09
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20:14 | Comment changes that attempt to better explain the behavior of the "seekResult" field on VdbeCursor objects and the seekResult parameter to sqlite3BtreeInsert() and the OPFLAG_USESEEKRESULT flag on insert opcodes. No changes to code. (check-in: 345b46be user: drh tags: unpacked-IdxInsert) | |
16:03 | Fix a simple comment typo. No changes to code. (check-in: 51d0aed8 user: drh tags: unpacked-IdxInsert) | |
01:46 | Fix typo in the CSV extension. (check-in: b4889588 user: mistachkin tags: trunk) | |
01:38 | Make use of the unpacked key on the OP_IdxInsert on sorters with a LIMIT. (check-in: 42db7cd2 user: drh tags: unpacked-IdxInsert) | |
01:19 | Fix a typo on the OP_IdxInsert documentation. No code changes. (check-in: e4acd982 user: drh tags: unpacked-IdxInsert) | |
01:07 | Add a DISTINCT query to speedtest1.c. Also change INSERT OR REPLACE into just REPLACE. (check-in: 754ee844 user: drh tags: trunk) | |
00:57 | Remove the "experimental" marking from the sqlite3_preupdate interfaces. But be sure all the interface definitions are within documentation. (check-in: d6dd2ad3 user: drh tags: trunk) | |
00:10 | Enhance the OP_IdxInsert opcode to optionally accept unpacked key material. (check-in: 89d958ab user: drh tags: unpacked-IdxInsert) | |
2016-11-08
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19:22 | Avoid superfluous cursor seeks in "INSERT OR REPLACE" statements. (check-in: bec5b6d4 user: dan tags: trunk) | |
17:19 | Avoid generating OP_TableLock unnecessary instructions on btrees that are not sharable. (check-in: 8cb8516d user: drh tags: trunk) | |
16:27 | Fix the speedtest1.c test program so that it gives closing "%" wildcards on LIKE searches. (check-in: c2f84f63 user: drh tags: trunk) | |
00:30 | Tweaks to speedtest1.c to better reflect mobile usage based on findings in the "Pocket Data" paper by Kennedy, Ajay, Challen, and Ziarek. (check-in: b5733cae user: drh tags: trunk) | |
2016-11-07
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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) | |
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) | |