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17867 Commits

Author SHA1 Message Date
dan
5aa550cf3b Consider the values bound to SQL variables when determining whether or not a 
partial index may be used.

FossilOrigin-Name: 7b59c353b805c64689b4ae9df347705acbb5f116346ad77af8ce087da7893747
 2017-06-24 18:10:29 +00:00
drh
7f2d1cd2b0 Make sure the config.h header is included by ctime.c, if that header exists. 
FossilOrigin-Name: c2ea62937ec8fabec72d3c7cd38d8e2cabbb5ce48638f8ce7ebefd6cd2716fd3
 2017-06-24 16:35:00 +00:00
drh
54ac445d53 Query planner tuning: When deciding between two plans with the same cost, 
bias the selection toward the one that does not use the sorter.

FossilOrigin-Name: f0ec36d479ac4efaa0efd0594d032dd7b8ccdf84a4dc3644cd688762186fbcca
 2017-06-24 16:03:18 +00:00
drh
45e7d7dd1c Make sure enough memory is allocated for pathological quoting cases when 
computing a quoted table name in the command-line shell.

FossilOrigin-Name: 0583b84ab444db3ae3c93db619b67bf84b0305ab989200e77214e02ff2dc923a
 2017-06-24 13:31:40 +00:00
dan
65c2a71042 When generating individual loops for each ORed term of an OR scan, move any 
constant WHERE expressions outside of the loop, as is done for top-level
loops.

FossilOrigin-Name: 712267c9c08fdcef5d59cedc672657b55fd6a77472711711599f0bd653e6d880
 2017-06-23 15:47:05 +00:00
dan
c456a76fb3 When generating individual loops for each ORed term of an OR scan, move any 
constant WHERE expressions outside of the loop, as is done for top-level
loops.

FossilOrigin-Name: e4a022be4b069b08cfdfda5295461676b99d28e17bbbedfbcb362dec69de59bd
 2017-06-22 16:51:16 +00:00
drh
c45fdb2a7f Enable pragma virtual tables for the integrity_check, quick_check, and 
foreign_key_check pragmas.

FossilOrigin-Name: 118f7bb33a6f78951bbffa957f48015d1bce5aaf9246a99262a90bc8ad52e5a3
 2017-06-21 01:36:30 +00:00
drh
f383f35e6c Rename the azCompileOpt global constant to avoid a harmless compiler warning 
about a name conflict with a local variable.

FossilOrigin-Name: 94e420ecfb4ec047eb7d1d3125ca8487c90d466760b7f7183759ff922bd868d1
 2017-06-20 18:19:16 +00:00
dan
bd11a2acbb Ensure that the query planner knows that any column of a flattened LEFT JOIN 
can be NULL even if that column is labeled with "NOT NULL".
Fix for ticket [892fc34f173e99d8].

FossilOrigin-Name: 483462682d3a57fb9dd85b4772596e9738f1694a454b8ebbc480b9452733e88d
 2017-06-20 17:43:26 +00:00
drh
a5907a86b8 Experimental "PRAGMA secure_delete=FAST" pragma. The intent is to overwrite 
deleted content with zeros without increasing the amount of disk I/O.

FossilOrigin-Name: f1682f0faf1a93ded066464b1ddd5f987e21ee0f6bb5e828ed31c3ad903cf2c3
 2017-06-19 11:44:22 +00:00
drh
40db2fd7a3 Fix a missing comma in the previous check-in. 
FossilOrigin-Name: f3db02f49073c3f08c3fd7816d85e5472d5e22df20d862fe4886eb2a97efb15f
 2017-06-17 18:49:50 +00:00
dan
ea03adc6b2 Rework the code in ctime.c a bit to report on more compile time options. And 
to only output configuration options passed in to SQLite, not the default
values of #define symbols set automatically. Also generate the large array in
ctime.c using new script tool/mkctime.tcl, instead of entering it manually.

FossilOrigin-Name: 9a443397a6b110f60cae32e1f758914d72931e16ddb423e4d4a119df526bf340
 2017-06-17 17:55:33 +00:00
dan
814aad618c Ensure that the value of the THREADSAFE symbol is always included when 
reporting compile time options, even if it was not explicitly configured.

FossilOrigin-Name: 95141c642697dc037e57f9e4992ff3460155995d3caef6259235601ee722cb93
 2017-06-17 17:29:24 +00:00
dan
f417f28bd7 Add extra test cases for sqlite3changeset_apply() and ALTER TABLE ADD COLUMN. 
FossilOrigin-Name: 603838fc9a65adda831a6a17b31b2e80f5b56e5946a9f0c1fa2c83d2f2a67f6a
 2017-06-17 16:39:10 +00:00
dan
da1f49b83f Rework the code in ctime.c a bit to report on more compile time options. And 
to only output configuration options passed in to SQLite, not the default
values of #define symbols set automatically. Also generate the large array in
ctime.c using new script tool/mkctime.tcl, instead of entering it manually.

FossilOrigin-Name: bc1951d699e6eeacbe15776a37cd0f5cf3f09eb85d3ae01cff43293cb286fcd7
 2017-06-16 19:51:47 +00:00
drh
ba87c6c2cd Minor refactoring change to clarify how ATTACH works. No functional changes. 
FossilOrigin-Name: 3944a32e1dd90ff903bcbaaa7cb497cebcfcb2ba2a326726ec2268505e524ae3
 2017-06-16 18:31:30 +00:00
drh
76cf858d3d Prevent pagesize changes on VACUUM in encrypted databases even when running 
the VACUUM on an attached database.

FossilOrigin-Name: 11693849342a308ad929e2d9ead67faabacb523af76128c6973ed6cc8b62c11e
 2017-06-16 13:43:37 +00:00
drh
0942559a14 Move the "shell_add_schema()" SQL function used by the ".schema" command 
of the command-line shell to a different spot in the shell.c source file
so that it is not in the middle of an unrelated module.

FossilOrigin-Name: 254617a1ccfa1736d4e53d670d80319c79c4d93ebf1de69d89ebdba3949bc270
 2017-06-15 16:56:05 +00:00
drh
f217f3b68c Fix typo and improve the wording of the description of "Metadata" in the 
output of the sqlite3_analyzer tool.

FossilOrigin-Name: ca1ff70780e07e5ee930fe7972db02e887d9b085d8ab78e878d7f966b6d684d4
 2017-06-15 16:45:23 +00:00
drh
b74013300c Merge the latest changes from trunk. 
FossilOrigin-Name: 60105c2253d0b617037e975b0d0b729bcb59b950aa2c33d8891394ad45aabb69
 2017-06-15 15:06:26 +00:00
drh
90cdec0672 Fix harmless compiler warnings in the shell.c file 
FossilOrigin-Name: 9afd7a2ffd3a39456190ad05e85ff6485298aae262d9e0698a58c1d73507a36f
 2017-06-15 13:07:56 +00:00
drh
594ccd09b1 Improvements to the ".tables" command in the command-line shell so that 
it shows the name of all schemas if the name is anything other than "main".

FossilOrigin-Name: c7f778b7cee16a1dcebccd256408ee1d08ef2b62e388a9ebba5738a0a89bf3a0
 2017-06-15 12:50:47 +00:00
drh
20c9c3f4eb In the command-line shell, enhance the ".schema" command show that it 
shows the schema for ATTACH-ed databases in addition to "main".

FossilOrigin-Name: 48e086284a76da10a85315bc992e2294bd4711e35ec5a5abaa16e39a6a69d206
 2017-06-15 12:21:09 +00:00
drh
c74d962a1f Enhance the sqlite3_analyzer.exe utility so that it computes and shows the 
number of bytes of metadata on btree pages and per table and index entry.

FossilOrigin-Name: 43ad41efa9e1fdd79a9804197a227491236495f14ed56c656224d6ce181703c1
 2017-06-15 00:52:03 +00:00
dan
2ebf8f474e Fix sqlite3rbu_close() so that the pzErrmsg parameter may be passed NULL. 
FossilOrigin-Name: c433672dd8ab625628bde2f4f40a2dc000ed915dbe91833d3f753d8ab51baf25
 2017-06-13 16:52:34 +00:00
drh
6e3bccd5c9 Fix the processing of double-negatives in WHERE clause constraints with 
STAT4.  Ticket [cfa2c908f2182]

FossilOrigin-Name: 35b34bdf0843b49be39e13ed212e918c2d45afdb8374b5cd02ba6d2d5b16b3b9
 2017-06-13 04:31:54 +00:00
drh
56790ea567 Fix an off-by-one error that messes up the display of loop codes in the 
".wheretrace" debugging output for queries with more than 62 candidate
loops when SQLITE_ENABLE_WHERETRACE is on.

FossilOrigin-Name: 0bbdaf2801e4102d952db65e53962e534b67b8b72e76fadb4ce404a6249129d9
 2017-06-11 20:17:02 +00:00
drh
eafc6dfe2b When reusing a materialized view, make sure the estimated number of 
output rows is correctly initialized to avoid confusing the query planner.

FossilOrigin-Name: 87aceb417a813a2925b636cffa660fe25f3b7e3b3c84bb2108951bf0af644376
 2017-06-11 19:51:36 +00:00
drh
e46c63d565 Fix the sessiondiff test module so that it does not run if the session 
extension is not enabled.

FossilOrigin-Name: 8f92b7a6223a69304dc8a6ab3b43a49cbb87f572a1e65d8a0c6dc09fca38e1a8
 2017-06-11 19:40:34 +00:00
drh
c62aab5ba8 Fix a potential null-pointer deference following OOM introduced by 
check-in [e39795d7] (unreleased).

FossilOrigin-Name: a2f77285fa44df86863eed576271f1030ec60f15480daf175908c5082c27774b
 2017-06-11 18:26:15 +00:00
drh
e9acf4b48e Merge enhancements and fixes from trunk. 
FossilOrigin-Name: 3fd050c343256c0748256ef183b46df04d9e0da0f81b841dbd336034402b36ab
 2017-06-09 15:14:41 +00:00
drh
c097b309aa Update the documentation to make it clear that the table name parameter 
to sqlite3_table_column_metadata() may not be NULL.

FossilOrigin-Name: 2881ab1ed24ed72760086785bdf224c4e687cf39a02fd349ae13c6e1235e24da
 2017-06-09 11:43:53 +00:00
drh
c5d353fb33 Adjust the implementation of the ".selftest" feature of the shell to avoid 
using the deprecated sqlite3_get_table() interface.

FossilOrigin-Name: 3168e2c92ad0a0dafc78a27ee1d87ac89f426585f506f418a0182141335dc68b
 2017-06-09 02:27:49 +00:00
drh
d96cc6fbcb Add a testcase() to confirm that an OOM on sqlite3DbStrNDup() is handled 
correctly in trigger.c.

FossilOrigin-Name: 343e55992f503efa662e49bb0f3c0d798defd0a11f2ee1c36968902fa7e06823
 2017-06-08 14:35:21 +00:00
dan
ca66f6c6f4 Ensure pointer map entries are always added when a row that does use overflow 
pages replaces one that does not in an auto-vacuum database. Fix for
[fda22108].

FossilOrigin-Name: b30dfba811cb531b09ff2e71a1a18ed53c816cb39155dd52ca3e2701425fe17b
 2017-06-08 11:14:08 +00:00
drh
cc97ca4c08 In SQLITE_DEBUG mode, attempt to log the page number of the database that 
contained the problem when SQLITE_CORRUPT errors are seen.

FossilOrigin-Name: e39795d7d798d5249c7bd2a0f6ff891b455f4300a3d638c39a4668323b367666
 2017-06-07 22:32:59 +00:00
dan
41ac439dbe Fix another lsmtest build problem. Add the "-trans BOOLEAN" option to "lsmtest 
speed2".

FossilOrigin-Name: 61853bc171e7c3af1db6a33ac8b1ad21e1c08e8d6b317fe061fdcd89c9a42e88
 2017-06-07 19:46:18 +00:00
drh
0282c03abc Merge in trunk enhancements. 
FossilOrigin-Name: f8bbb608cbf6c245628e3d362e9181fb3dc402b1d8241bcb687caf395f63c916
 2017-06-07 16:25:25 +00:00
drh
d1417ee1cb Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated 
number of rows in tables that lack sqlite_stat1 entries.

FossilOrigin-Name: 234ede26e30f20e6c33002739ed8be35dbfb5c77700bd857ff31072b9b7df347
 2017-06-06 18:20:43 +00:00
dan
3b328522f4 Fix a threading problem in lsm test code. 
FossilOrigin-Name: 501238b9fbb4eece084b4bfce84a5f37a986f34db8081df517e60ef81f357454
 2017-06-06 16:14:49 +00:00
drh
cf1393df94 Fix a subtle bug in the remember UDF of the kvtest.exe utility program. 
FossilOrigin-Name: 9eea3670e77e2f831b7c00ae2d65a5583f9cad626d9ab286f92582ef29ecd4e3
 2017-06-05 19:20:35 +00:00
dan
b1d66c5986 Fix a bug in test_fs.c that occurs when the first component of a path contains 
a GLOB or LIKE escape character.

FossilOrigin-Name: 73c70590d7689806901378cd2a7e167ec4339f886031369266e07868acd23b93
 2017-06-05 16:33:53 +00:00
drh
a4327e65bb For the kvtest utility, add the --vacuum option to "kvtest stat" and also 
run PRAGMA integrity_check with "kvtest stat".

FossilOrigin-Name: f3c25df4562efda2adeb211a4cc893246354917849a0fa4d95da3d7970e9588e
 2017-06-05 13:28:17 +00:00
drh
64bf76d2b2 Fix the column width deduction logic in the command-line shell to account 
for multi-byte utf8 characters.

FossilOrigin-Name: ed0842c156ab1a78d5d00d3a55dab5e3f08cd349328d606724688f1528df3f6b
 2017-06-05 12:29:26 +00:00
drh
3b77506ba5 Omit some of the fstree tests in vtabH if the PWD contains LIKE wildcards. 
FossilOrigin-Name: ead29f9cb757a5f9921086e3bb4998f60e0d6cfcf41ef0f9a230b365b6226947
 2017-06-05 10:31:03 +00:00
drh
4c88348729 Initialize a variable to zero to prevent an (incorrect) compiler warning of 
it potentially being uninitialized.

FossilOrigin-Name: 65182ce041b30cd0193b958eca975b720fe5200a868baba1e633e49433d86813
 2017-06-03 20:09:37 +00:00
drh
5930f663a1 Fix the SQLITE_PTR_TO_INT macro so that works on recent versions of LLVM on 
Macs.

FossilOrigin-Name: c4089ffbdb4b3467648c97044b0d3085da7128103079b686f608efde83c7df30
 2017-06-03 19:16:29 +00:00
drh
629a75f69a Remove unused header file from kvtest. 
FossilOrigin-Name: dd7e043f7c9e16cd98a273b7105fa74bdd14a93db8cd5bde064cc1c40591155c
 2017-06-03 18:27:49 +00:00
drh
1346fdad65 In kvtest, add the ability to work with a hierarchy of files on disk, 
in addition to having all files in the same directory.

FossilOrigin-Name: f568f666c85ab9b80592927dc033cfd65bd4415576cf5b3beaf300d68a8e074e
 2017-06-03 17:24:04 +00:00
drh
16d62901a3 Add the --nocheckpoint and --multitrans options to kvtest. 
FossilOrigin-Name: 5828633c2392274b6863b50eaffbb2a176a4d892e83542824a9a3f0d1b62c967
 2017-06-03 15:17:21 +00:00
drh
59ce97a013 Merge all recent trunk enhancements. 
FossilOrigin-Name: 1d23294d88b1a80fe1f5403ea4fd75e61bb4932d5b714ea450d1b4b84f0896ab
 2017-06-02 23:44:38 +00:00
drh
f151890791 Add the --fsync flag to kvtest, and document the --nosync flag. 
FossilOrigin-Name: 7fdc78a672b2ea6187dcb5fdf32f809bb8e4d501e2434f2233edc3bc2e3acc7c
 2017-06-02 23:32:17 +00:00
drh
a2e71ced79 Work toward enhancing kvtest to measure write performance. 
FossilOrigin-Name: fc73e7d2f16386f96c55c42f9830193f7c178521a7ad90c3117b85ef629b5ce4
 2017-06-02 19:31:46 +00:00
drh
170ad68a40 Change the name of the OP_Seek opcode into OP_DeferredSeek for better 
clarity of function.  No functional code changes.

FossilOrigin-Name: ab33d299c7dab52703d06f3441c8a98c6c809b2612ec65d71aab2919bd2b1540
 2017-06-02 15:44:22 +00:00
drh
6c2d94f928 Fix a typo in the header comment of the "series.c" virtual table extension. 
FossilOrigin-Name: d637feb4e3032ee0067c204b56d2af5f7eab228e645f2e77b0b043c2b299724d
 2017-06-02 13:16:54 +00:00
dan
38d6985509 Add test code for LSM to the ext/lsm1/lsm-test directory. 
FossilOrigin-Name: bb7436e84a315baf05f00e6cab396017e3f287ea404d32e0cc4f389fa1194dec
 2017-06-01 16:13:57 +00:00
drh
c5e56b3473 Add a comment to the Lemon documentation regarding the security of the 
lemon.exe command-line tool.

FossilOrigin-Name: 4c2458c1908181dc2f6bc594395c06d015fcbd78f5d3472f07a6a3909be9673c
 2017-06-01 01:53:19 +00:00
drh
2c2f392dca Add interfaces sqlite3_prepare_v3() and sqlite3_prepare16_v3() with the 
extra prepFlags argument.  Add the SQLITE_PREPARE_PERSISTENT option as one
bit in that argument.

FossilOrigin-Name: 4a25c5883380fe5990d8180adb58c3bdc7a3d081bc4c69cd4de3cd57074fb251
 2017-06-01 00:54:35 +00:00
drh
cdbb126be7 Add the SQLITE_STMTSTATUS_MEMUSED opcode to sqlite3_stmt_status() 
for finding the heap memory usage by a single prepared statement.

FossilOrigin-Name: c26cf978eead1c9d265eddabaa421e7735b472fcf2792cd2bdeb0901bcf3fb44
 2017-05-31 17:30:08 +00:00
drh
3528f6b62b Add the SQLITE_STMTSTATUS_MEMUSED option for sqlite3_stmt_status() that reports 
the amount of heap memory used for a single prepared statement.

FossilOrigin-Name: b57d510465458dec5b5fc778fd6e8833392964201f9febebf526e60a543da0c2
 2017-05-31 16:21:54 +00:00
drh
6b37e0adc9 Add the experimental "stmts" virtual table for introspection of prepared 
statements.

FossilOrigin-Name: cb4c5c66aba757356da3b8ec3c66a5c8c40e180b3360638ac634f7787404a5b1
 2017-05-31 16:09:04 +00:00
drh
d4ab003d4e Avoid allocating excess memory to the KeyInfo objects. 
FossilOrigin-Name: df7859435161f3ecf36635ce574bf73573516a1f2c6e75be320619364e7067d1
 2017-05-31 13:45:59 +00:00
drh
d5bdd5effb Remove a completely unnecessary memset() from the INSERT code generator. 
FossilOrigin-Name: 7d58836b9db1293a3a6581af4358b7c91a588efd5c9b2df384803f3855ff87a8
 2017-05-31 13:27:15 +00:00
drh
b8a1290a28 Very small performance increase in sqlite3VdbeSetNumCols(). 
FossilOrigin-Name: 8885b4461044ae8ecdfe1b9aa47f4aad65efabc98e3fcd9e307a06504fab34c6
 2017-05-31 11:24:13 +00:00
drh
02f18cc5ac Reorder fields in the PgHdr object for a performance increase. 
FossilOrigin-Name: 326e63d71e0e164c5bcd1f74772cb4071b82daf6f04a5d440b985bace5a4c941
 2017-05-31 03:20:39 +00:00
drh
a8b9793c86 Avoid unnecessary memory zeroing during expression list allocation. 
FossilOrigin-Name: de28e6514a42438411e2c9d833ba660108128ca86d0b90f32925fb73195f4862
 2017-05-31 02:58:30 +00:00
drh
d03257c141 Size and performance optimizations to sqlite3ResolveExprNames(). 
FossilOrigin-Name: af8c0fed93c830c50641d95691bb507c31947a15529aba2a88bfaa66b3a3287a
 2017-05-31 00:49:40 +00:00
drh
2ab792e4c0 Change sqlite3BtreeNext() and sqlite3BtreePrevious() so that they return 
SQLITE_DONE if they have already reached the end (or beginning) of the table.
This gives a performance increase and size reduction.

FossilOrigin-Name: e972a3860892022d57b26ec44ce0fbadc61c1ff54b7a10b7e82390db88d323a7
 2017-05-30 18:34:07 +00:00
dan
d26d2c7de2 Omit a test of codepoint 0x202F (non-break narrow space) from the fts3 ICU 
tests. Different versions of ICU apparently handle this obscure codepoint
slightly differently.

FossilOrigin-Name: 69ae688982d6cb9f859f5643c315a1dc5ba76ad35553ecea8329a75ee70a87b1
 2017-05-30 18:14:47 +00:00
drh
e70d01f143 More efficient error handling and reset in the binding mechanism. 
FossilOrigin-Name: 9a3e3b34ba6eafce2f560c13225a3673e18d696b29295b59d958e938fa593baf
 2017-05-29 22:44:18 +00:00
drh
1e669f02bc Omit unnecessary fstat() calls for determining the database file size, 
resulting in smaller and faster code.

FossilOrigin-Name: dd61c736775c53450821327495276485dced7935d0b4b5ebd17662731afc8adb
 2017-05-29 17:59:29 +00:00
drh
8c9ed054b3 Fix an issue with OPT_FEATURE_FLAGS in configure.ac. 
FossilOrigin-Name: 43ce3bd3a4b41ea757e308e563d6c1bf7f9c09f10e4766c536d0bf1042c45613
 2017-05-29 17:43:06 +00:00
drh
77f6af2b96 Avoid unnecessary fstat() calls to determine the database size when 
transitioning into a read transaction on a rollback-mode database.

FossilOrigin-Name: 6c3476b513965df22d648f9a1b99733af753b44d51163cc7d42a69bf562300e1
 2017-05-29 16:45:45 +00:00
drh
5f5a2d1c3c Avoid unnecessary calls to fstat() to determine the database file size. 
FossilOrigin-Name: c733a1dea37e4678e7bd0d3d0ca9b8eae1fbdc28615f75d8f1e5141aa53567d9
 2017-05-29 14:57:23 +00:00
drh
8abc54e2e8 Fix a typo in a comment. No code changes. 
FossilOrigin-Name: cb29b838886769afe866b1172e3d5d7e36387149b79c51f91cf59da3f4a5f25b
 2017-05-29 14:30:46 +00:00
drh
979dd1be57 Optimizations to the Walker object and its methods to make the code a little 
smaller and to help it run a little faster.

FossilOrigin-Name: 6854a34ed708259f2280f7ee56cec09f7fc99810dc739dc2814ddeae286aa2c4
 2017-05-29 14:26:07 +00:00
drh
d8a295669c Correctly initialize the iSelectId of FROM clause terms that are a self 
join of a reused materialized subquery.  Without this, the EXPLAIN QUERY PLAN
output for the query will identify the subquery using the uninitialized
(and arbitrary) iSelectId.

FossilOrigin-Name: 43c9ae371f6250fee98a7c4011726eff8ad37f5a97add4f490ac3a2dd501a0d2
 2017-05-29 13:09:24 +00:00
mistachkin
e16a350f17 Improve shell help text for the '.open' command. 
FossilOrigin-Name: 7cc940a97efc096ff3725710f526c06f52453bd923fb9e825ce6990275df747a
 2017-05-29 03:48:13 +00:00
drh
ae2ac854b3 Smaller and faster vdbeSorterCompareText(). 
FossilOrigin-Name: 542dc4c5eb87017fe03b6c181e779993aa84564785e1177ccf937d52f985593b
 2017-05-27 22:42:36 +00:00
drh
14e845a9d4 Small performance increase and size decrease in the btreeInitPage() routine. 
FossilOrigin-Name: 6f415833e0554706dcf04f68ecba4ca2e54c08f3bbf6a1dba182bb132c912a2e
 2017-05-25 21:35:56 +00:00
drh
137c46f8b6 Merge the LEFT JOIN query flattener fixes from 3.19.2. 
FossilOrigin-Name: 6513e4a121e32df7e5cd95f47cdf8049b85bdbcb378cf23db29838fb1143d3ce
 2017-05-25 17:27:52 +00:00
drh
65ff63ea62 Version 3.19.2 
FossilOrigin-Name: edb4e819b0c058c7d74d27ebd14cc5ceb2bad6a6144a486a970182b7afe3f8b9
 2017-05-25 16:50:27 +00:00
drh
dc6de47925 The SQLITE_EXTRA_IFNULLROW compile-time option causes OP_IfNullRow opcodes 
to be issued for references to the right-hand side table of *any* flattened
join, not just LEFT JOINs.  This puts extra stress on the OP_IfNUllRow opcodes
for testing purposes.

FossilOrigin-Name: 1a074c8a2bc0b28918ef905339d11a21d30101b4ea8c06c8b3faca7d17237538
 2017-05-25 11:39:50 +00:00
drh
074ce1e7fd The TK_IF_NULL_ROW expression node must be treated as a variable that 
references the table Expr.iTable.
Proposed fix for ticket [7fde638e94287d2c].

FossilOrigin-Name: b30a364a12d9865242b1444984cd25ee126dc69108d5c6a2d4b35df184437fe9
 2017-05-25 00:28:36 +00:00
drh
8389bff0a8 Increase the version number to 3.19.2 since ticket [7fde638e94287d2] is 
going to necessitate another patch release.

FossilOrigin-Name: c315727acd5fffe6e83ad9a5e84360d5cfa9aa8faa10d4970ea9823c7e8126ee
 2017-05-25 00:12:04 +00:00
drh
f43ce0b445 The TK_IF_NULL_ROW expression node must be treated as a variable that 
references the table Expr.iTable.
Proposed fix for ticket [7fde638e94287d2c].

FossilOrigin-Name: 77fc23013cebc7797985864b91d78db5d0e2469511732044ebfaf02b891c979a
 2017-05-25 00:08:48 +00:00
mistachkin
831265f962 Fix harmless compiler warnings in FTS5. 
FossilOrigin-Name: 57a60e959c198b87ed29fab14356f89e0ea7cdb1dd99adbea45b40e8d0cb310a
 2017-05-24 15:32:44 +00:00
drh
6fb139e087 Version 3.19.1 
FossilOrigin-Name: f6d7b988f40217821a382bc298180e9e6794f3ed79a83c6ef5cae048989b3f86
 2017-05-24 13:08:33 +00:00
drh
63ad86e70e Fix a problem in STAT4 equality estimation for multi-column indexes 
introduced by check-in [3e0590dee0e68cc1599].

FossilOrigin-Name: cfb0d9e0207128b1c2b48689288a849b19dbc00a22cfaca26eec4bfc773629f8
 2017-05-24 04:18:00 +00:00
drh
ce13b99f99 Remove the msvc.h header file from the autoconf tarball. 
FossilOrigin-Name: 84996aef68adeabc8bd97cad269188c67de628f776337a25ec2d63bc956cee78
 2017-05-23 20:00:00 +00:00
drh
92b71757f7 Do not use strcpy() in the (obsolete) amatch extension. 
In releasetest.tcl, run Apple tests using -Os instead of -O1

FossilOrigin-Name: 4440e42031b9cb0edf9a8621cd4f46f209392940ec5b9eefcf8c1e3fef5f7b76
 2017-05-23 19:35:20 +00:00
drh
3c790f2a83 Disable the LEFT JOIN flattening optimization for aggregate queries, as it 
does not currently work.  Further fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 05ada741554b9fd00befcf7b4083637f53de68699ae5210ac18e0773ad1a9910
 2017-05-23 15:33:41 +00:00
drh
1d1fc5e385 Disable the LEFT JOIN flattening optimization for aggregate queries, as it 
does not currently work.  Further fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 44b21e35c92137cc519d0cc87c627cc531d0bd442a7b9a7356fa2c6bc5f70fb6
 2017-05-23 15:21:37 +00:00
drh
7c1544e051 Ensure that the expression rewriter inside the query flattener decends into 
the substructure of the TK_IF_NULL_ROW operator.  This is a continuation
of the fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 28d2902d8f4dfbbfc610f271e00d353b0baae386b56b482f96b88836410be129
 2017-05-23 12:44:57 +00:00
drh
eff0a7b25e Ensure that the expression rewriter inside the query flattener decends into 
the substructure of the TK_IF_NULL_ROW operator.  This is a continuation
of the fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 941d8142b7c9a96ff143d1add3c86cf42d61fd08e532d400dac555f23eadbcfb
 2017-05-23 12:36:13 +00:00
drh
f352cf57e3 Change the version number to 3.19.1. 
FossilOrigin-Name: 16656b8ff5cf79565b0b30f804f5f924fabfe989fdf00a2e7c30fe4438143981
 2017-05-23 01:35:22 +00:00
drh
44bdc92938 Remove a surplus semicolon, which was harmless on gcc and clang but caused 
compile-time errors on msvc.  This only comes up using the encryption extension.

FossilOrigin-Name: 4510d55d1e2e23d4a4470dbd414161beec2ceefb7537fd66ea3c347e11624dfc
 2017-05-23 01:30:26 +00:00
drh
10d33c1781 When flattening a query, make sure iTable attribute of TK_IF_NULL_ROW 
operators (that result from a prior flattening of a LEFT JOIN) are updated
correctly.  Fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 919d36e6ea112c8c94f01e02611c48e78c441657e6898a466cfc39f1e0001403
 2017-05-23 01:29:35 +00:00
drh
3f1e9e00e6 When flattening a query, make sure iTable attribute of TK_IF_NULL_ROW 
operators (that result from a prior flattening of a LEFT JOIN) are updated
correctly.  Fix for ticket [cad1ab4cb7b0fc344].

FossilOrigin-Name: 92c178507df553e4f1110342c8f9b11b3ee37989e1d634fcaccabf657befa22f
 2017-05-23 01:21:07 +00:00
drh
d4fb196531 Remove a surplus semicolon, which was harmless on gcc and clang but caused 
compile-time errors on msvc.  This only comes up using the encryption extension.

FossilOrigin-Name: 987a2b5537254b1fe843eb798d7eb7f04dbe1e32fb827cfb9e1e1ef6c2096759
 2017-05-23 00:32:56 +00:00
dan
07d0f15e93 Fix incompatibilities between the "sqldiff --changeset" command and the 
sessions module. Specifically, allow sessions to process changesets containing
tables with zero operations on them and have sqldiff output the expected
output for tables with multi-column primary keys.

FossilOrigin-Name: 0bb23c48064cc64134697469f3f4d2d3610b9e6c7a0dc54a3c47a00bd6c2a860
 2017-05-22 18:09:00 +00:00
drh
453ca043a2 Add the ".cd" command to the command-line shell. 
FossilOrigin-Name: 5fe28e15b1d6d8a588fcaf93c6035c0e0ab7bcad1067c7933cd430d2e04bbbd8
 2017-05-22 18:00:34 +00:00
drh
ee841262d9 Increase the version number to 3.20 for the next release cycle. 
FossilOrigin-Name: ab471f61ef7d9ed1bf937d5e458f720d12209712a015786434edc818a98168c9
 2017-05-22 17:39:37 +00:00
drh
d758722449 Merge the last-minute 3.19.0 changes into trunk. 
FossilOrigin-Name: e6ba2a93a8d28074ff134dd43c142315de291b7c0a38ecc692863c33975c71c7
 2017-05-22 14:04:46 +00:00
drh
2435fa6916 Version 3.19.0 
FossilOrigin-Name: 28a94eb282822cad1d1420f2dad6bf65e4b8b9062eda4a0b9ee8270b2c608e40
 2017-05-22 13:58:13 +00:00
drh
44ec1d6eda Include the "msvc.h" header file in the amalgamation tarball. 
FossilOrigin-Name: 3dd6fe53c7ae6ebe2393e956d040e00b8cd0589674d20aafe1585aaa61325bbe
 2017-05-22 13:06:45 +00:00
dan
21766c0c16 Fix a case where NULL was being passed to memcmp() following an OOM. This is 
probably not a real problem, as the number-of-bytes parameter was passed 0 in
this case, but it was causing a santizer complaint.

FossilOrigin-Name: 3ea2bad27e516d5dbfa4a9cb0c767d6a8387280a7e4bbf2ae80cd318da670d66
 2017-05-22 08:04:09 +00:00
drh
78436d4c66 When planning a query using sorting, resolve ties in the solver by selecting 
loop plans with the smaller unsorted cost.

FossilOrigin-Name: f261678c90297f9767040c577796cc1d4db598aa44b0de6906cb73eaef377dee
 2017-05-22 00:45:15 +00:00
drh
d8025e43ae Prevent a possible NULL pointer dereference in the OP_Found opcode that 
can follow an OOM error.  Problem found by OSS-Fuzz.

FossilOrigin-Name: 50ad60ded54aa22dfdf519ed5da6451de790e22a972ff299f7976fbdce7a0579
 2017-05-19 23:04:04 +00:00
drh
e46515b53f Prevent a possible NULL pointer dereference in the OP_Found opcode that 
can follow an OOM error.  Problem found by OSS-Fuzz.

FossilOrigin-Name: c2de178fe7e2e4e0d764e7e6ac637cfc8c053580c43f7246318dafad2974de3c
 2017-05-19 22:51:00 +00:00
drh
bcbb066534 Improved comments on one routine in the query planner. Improved diagnostic 
output for ".wheretrace".  No production code changes.

FossilOrigin-Name: 946b87a5282f00d8c532a51f4390e6de781b9a0d6626cb3c077c5622895dc540
 2017-05-19 20:55:04 +00:00
drh
748465b49e Fix a documentation typo. No changes to code. 
FossilOrigin-Name: 68942a4feeb83e6e1a32d9bd724ae1d72669949adcfad07fb05b0ac48daf5151
 2017-05-19 20:47:54 +00:00
drh
8c3bde05ce Branch for the 3.19 release. 
FossilOrigin-Name: f2b829ec52c2037eba4feb9427c56d84aca736cb5fc841dfe91cfff22cf660c1
 2017-05-19 20:46:27 +00:00
dan
22025ef198 Fix some problems in fts5 code detected by -fsanitize=undefined. 
FossilOrigin-Name: 35f721045dfe3f82e016938ab1a668bfc37b6b57b8813cc963ef640ec82de58d
 2017-05-19 12:32:32 +00:00
drh
1e1c4226ee Fix a documentation typo. No changes to code. 
FossilOrigin-Name: cfa4aa203646f44b303138c25672293bb87d97126fe2030d4709e8ad7814a807
 2017-05-18 18:17:55 +00:00
dan
9ea258d712 Update the tool/warnings.sh script to automatically use the right options on OpenBSD.. 
FossilOrigin-Name: 7940bff32aa6ea868a53680822d148b7ec7a075c01ae9e0d5ad9859bcc339054
 2017-05-16 09:49:42 +00:00
drh
dd1bb43ab5 Fix the build so that it works again with SQLITE_OMIT_SUBQUERY. 
FossilOrigin-Name: bb0d9281588b8cc24bf2f1f10d0c56277004226adaa2ce5037782503b283b45d
 2017-05-15 15:12:24 +00:00
drh
96a27f4cbb Improvements to the omittest.tcl script. 
FossilOrigin-Name: 0f05d7e93a73bbeac0a09bbd614287507355a7d75fc7b98729bcf7607fc8e125
 2017-05-15 15:05:48 +00:00
mistachkin
c8d3e836ca Make sure the 'sqlite3changegroup_*' functions are included in the SQLITE_APICALL handling. 
FossilOrigin-Name: a123cb93307a6c48bd711d6af9828c87a1365e023f6fe4ca6eae264c8ec5e0c0
 2017-05-12 14:05:11 +00:00
dan
ee3333b202 Add another test case for the new authorizer functionality. 
FossilOrigin-Name: 339df63f4064f3b9c8d4e8b82e72d00b49d9406bc350b14809a4caf7ddc4b736
 2017-05-11 19:09:19 +00:00
drh
9715f0e544 Enhance the json_extract() function to reuse parses of the same JSON when 
the function appears multiple times in the same query.

FossilOrigin-Name: 3ba9e7ab79e32090a71c7aa152da9bd5951940ae5e2cf433bceadeb6bfca193f
 2017-05-11 18:42:19 +00:00
dan
6b4fbabd6a Do not save the state of an fts5 merge operation mid-way through an input 
term, even if no previous entry for that term has caused any output. Doing so
may corrupt the FTS index.

FossilOrigin-Name: 9a2de4f05fabf7e725666fb8824ae1adad56834d7ae4f2e118375bb6f9c0ae77
 2017-05-11 18:14:06 +00:00
drh
3fb153cb29 Cache the JSON parse used by json_extract(). 
FossilOrigin-Name: 44ca6c2c4639f3c50ae9233ee299ff0fc4566462c31f28d8676f8de7ffdcd7f0
 2017-05-11 16:49:59 +00:00
drh
f7fa4e71f4 Negative N values in sqlite3_get_auxdata() and sqlite3_set_auxdata() can be 
used to access an auxiliary data cache over all functions in a single prepared 
statement.

FossilOrigin-Name: ff5306752e83e760255a10f20168c0f090929a4fee2a5f720dfab36f0ee72fae
 2017-05-11 15:20:18 +00:00
drh
9418921c59 New requirements marks and documentation for the authorizer. 
FossilOrigin-Name: 3980ea0911b3ad3f86d7a7bdc6503f233315c274f473e18831e13eda2c238eeb
 2017-05-11 13:43:57 +00:00
drh
ee92eb80db Improvements to the sqlite3_set_authorizer() documentation. 
FossilOrigin-Name: 47629b1911e52445aad8ea969137bddf0019c55b4a4f0de8e77decb6a434c8a2
 2017-05-11 12:27:21 +00:00
drh
2336c935af Change the SQLITE_READ authorization call for unreferenced tables to use 
an empty string for the column name, as this is less likely to impact legacy
authorization callbacks that assume column names are always non-NULL.

FossilOrigin-Name: 4139953ab528f20fa346409810edcb22adb6c1edc9d22f40b1b077ef842a2441
 2017-05-11 12:05:23 +00:00
drh
e694139788 Rename fields of the internal AuxData object to make them unique and easier 
to search for.

FossilOrigin-Name: 2be9850cef6492e168243807c34af72119ffbe414027a12c4eda6c421b5b950d
 2017-05-10 19:42:52 +00:00
drh
0d236a8bb0 Improved documentation for the SQLITE_READ authorizer callback. No code changes. 
FossilOrigin-Name: 92c5ea7047323d10f762877c5f56d20a3e609e8b55efcfe4880ef3048821ac1f
 2017-05-10 16:33:48 +00:00
drh
701caf1eb1 Invoke the SQLITE_READ authorizer callback with a NULL column name for any 
table referenced by a query but from when no columns are extracted.

FossilOrigin-Name: 92ab1f7257d2866c69eaaf4cf85990677b911ef425e9c5a36a96978cccfb551c
 2017-05-10 16:12:00 +00:00
dan
7b458519f2 Fix a couple of test scripts so that they work with 
-DSQLITE_DISABLE_FTS4_DEFERRED builds.

FossilOrigin-Name: 30018d31068f3182d713a6cf09753b27b16a6f912d39a5e6c1363da83bec3125
 2017-05-10 13:36:04 +00:00
drh
e4eb0497d8 Avoid unnecessary codec operations on in-memory subjournals. 
FossilOrigin-Name: 199b2a84992823b4687588a5ba20bec9c42579887068ac21caf08df3895f41ed
 2017-05-10 12:58:34 +00:00
drh
614c6a09f7 Do not invoke codec macros for in-memory subjournals. 
FossilOrigin-Name: d2bb0066f7c8413ef9992e6b07641cdf40ad260778074bd83cc22dcaba87860b
 2017-05-10 12:49:50 +00:00
dan
2617c9bdd8 Do not invoke codec macros when reading or writing an in-memory sub-journal. 
FossilOrigin-Name: 2c145ee6c9e7916f022331453384cbe61ee3654c08a1b88467f85235b5bc18c4
 2017-05-08 18:29:36 +00:00
drh
ffe280596e Fix an obscure assertion fault that can follow an OOM. The problem 
was introduced by check-in [a1cf44763277b6c7].

FossilOrigin-Name: 04e7e5650efffdce759b46999beb67c250af6cf394a7779ab861f210a84c134d
 2017-05-06 18:09:36 +00:00
drh
f8a2e8c2d2 Fix requirements marks and harmless compiler warnings. 
FossilOrigin-Name: 198ff4c01d86d193a54745764d69376cab8e94747a4daa444690f7e1ec87800b
 2017-05-06 17:12:52 +00:00
drh
050b124ce2 Fix a collision of the "B0" identifier name between the termios.h header 
file and the SHA3 implementation in the shell.

FossilOrigin-Name: b9a58daca80a815e87e541cb5fff9bc8b93f131d223f322c5b83dd5a5f0c0312
 2017-05-04 11:13:50 +00:00
drh
30f01249a3 Remove the unused "sqlite3_stack_used" TCL command from the test harness. 
FossilOrigin-Name: e24b73820cdca07eee87853fe6dd9f60d76e039eeb4aebef03654db3c7c94f14
 2017-05-03 19:36:50 +00:00
drh
313e6fd222 Fix the sqlite3GetInt32() function so that it correctly returns 0 on a 
zero-length input string.

FossilOrigin-Name: 05eba9e3a5f9bb2a40af1dacd885e1915fbcd20b9af4cf0eed79ac16dbeba31b
 2017-05-03 17:44:28 +00:00
drh
ad012d09dc Always enable URI filenames when compiling with SQLITE_HAS_CODEC. Also allow 
plaintext keys using the key= query parameter.

FossilOrigin-Name: 31a51b4d168065fa59cc0e52ba798bd87ac82160c675bd531442b65133edb401
 2017-05-03 15:54:53 +00:00
drh
e780764b4e Fix the fts3EvalAverageDocsize() routine so that it returns errors from 
sqlite3_reset() rather than always returning SQLITE_OK.

FossilOrigin-Name: 430f539cbb3f806fb89191e0b759a5f8b49d9e5b6c95fe9a4b55a1aa0875762a
 2017-05-02 18:00:31 +00:00
drh
3f4df4c6f3 Reuse the same materialization of a view when that view appears in a query 
more than once, such as in a self-join.

FossilOrigin-Name: 9e35c89dbe744312f612e507b51ff9a5bb656def75392d25bc19fc638548cd1e
 2017-05-02 17:54:19 +00:00
drh
a1f5c0c90b Move terms of the HAVING clause that reference only columns in the GROUP BY 
clause over to the WHERE clause, resulting in a faster query plan.

FossilOrigin-Name: 47cbb471d056c8e1834a5ca72491404a3bfb273b5ff7bdd84b98d263938ea874
 2017-05-02 16:55:07 +00:00
drh
ab314001b8 Additional comments on the sqlite3ExprIsConstantOrGroupBy() routine. No 
code changes.

FossilOrigin-Name: 8424492eac506866d2918e5fe03c8f65fef960215d56012a3b52ed42789ed35a
 2017-05-02 16:46:41 +00:00
mistachkin
8d5cee166e Fix typo in comment. No changes to code. 
FossilOrigin-Name: 6674814afb9e763e7f7060776586e26da28040b3208ce06c8a285dd647e5a53d
 2017-05-02 01:30:44 +00:00
drh
c478c8daec Remove an unnecessary branch. 
FossilOrigin-Name: a33179596f534067a58d68b77160f11ab13272b29f912d7cbe15ea00bbf03ade
 2017-05-01 19:53:12 +00:00
dan
4b2667c8b8 Enhance "PRAGMA integrity_check" to detect duplicate rowids within a leaf 
page.

FossilOrigin-Name: adcad37b001d255299be716b16003b56ec1fba349ef73261ee0e543186c4f311
 2017-05-01 18:24:01 +00:00
dan
874080bbb6 Clear the BTCF_ValidNKey flag set if a cursor is moved by 
sqlite3BtreeInsert(). Fix for [f68dc596c4].

FossilOrigin-Name: a6727eef6d757a39ad23e5c8cbe960f5d909e5d37cb4e90bc3bdbb8bf58cd6f8
 2017-05-01 18:12:56 +00:00
drh
ed71298085 Futher bug fixes to the function that determines when a materialized view 
can be reused.

FossilOrigin-Name: c64fe3a1695925693385d313e9ad2a1d8cb37ddaa8cc19920ae0978c91bc4c2c
 2017-05-01 17:04:35 +00:00
drh
33543c237b Minor bug fixes and performance enhancement. 
FossilOrigin-Name: b2aae559581d05e4e8caaddfbd137cb275d582e82d58872c6f42e462dc859b1c
 2017-05-01 16:37:20 +00:00
drh
e08e8d6b61 Initial implementation of an optimization that attempts to reuse the same 
materialization of a view on a self-join of the view.

FossilOrigin-Name: 478c34b9a8b5127d13024e10307aa832f160b89720c46424dd17555bd36f590d
 2017-05-01 15:15:41 +00:00
dan
181a1167dc Add extra tests for the optimization on this branch. 
FossilOrigin-Name: 4921cd9520080f9baff70e548f64a56e2204b398b8397a2d318a98c32ec4b00c
 2017-05-01 14:09:32 +00:00
dan
ab31a8450b Automatically transfer terms from the HAVING clause to the WHERE clause of an 
aggregate query in cases where the result of evaluating the term depends only
one one or more of the GROUP BY expressions (and on no other inputs).

FossilOrigin-Name: 5375a3ce56f1d993b13b469fe33ec7679948f53940f62a15ddbaeb8aaa26a22c
 2017-04-29 20:53:09 +00:00
drh
7555581fc1 Add a single testcase() macro to the subquery processing logic. 
FossilOrigin-Name: 4e1df76e3d85922648e0e1cce73a266c3b1ed4511ace259ec0a01d7693af9e6f
 2017-04-29 19:29:49 +00:00
drh
bb6783b86f Improvements to opcode documentation in the bytecode engine. 
No changes to code.

FossilOrigin-Name: e54c9f8db5b2fa8ea82c6eab7482255431af16901f7992c9667b56a0e50a9f4f
 2017-04-29 18:02:49 +00:00
drh
bc43995f99 Evaluate WHERE clause terms that reference only the index before evaluating 
terms that require the table, and thereby avoid seeking the table row if
index terms are false.
This is called the "push-down" optimization in the MySQL world, we are told.

FossilOrigin-Name: d7bb79ed3a40419d143fbe35c310e51fe7b384a22f082a61ad788671d2d33ee0
 2017-04-29 15:27:04 +00:00
drh
6ab3eb5d0e Minor size and performance improvements to the push-down optimization. 
FossilOrigin-Name: 91dfb61a1a25763bb0b5c1e353a9d584bc6de3f6eb445f54202ffe7f6fee6e8d
 2017-04-29 14:56:55 +00:00
dan
6f654a40e8 Within a loop that uses a non-covering index test, test non-indexed terms that 
can be tested without seeking the main table cursor before those that cannot.

FossilOrigin-Name: afe68f0a8060dc5c92cb1fb32a9f22bd36140cd2c0bb5b6cea853e169c5ed444
 2017-04-28 19:59:55 +00:00
dan
4b17369579 Add new test file cachespill.test. 
FossilOrigin-Name: 2d0b64316d66a362f5891ceb71a1fd8e4607732274b09b0a8472b97eef68ebc2
 2017-04-26 17:21:33 +00:00
dan
b9e6a73866 Replace <fts5.h> with "fts5.h" in test file fts5_test_tok.c. 
FossilOrigin-Name: 63d9ca5c7392e1efe3330689fe750310a952287e843b3242178724e8561fae0e
 2017-04-26 14:34:04 +00:00
drh
69bfa55279 Fix a subtle bug in Lemon discovered and reported on the mailing list 
by Kelvin Sherlock, who also suggested the correct fix.

FossilOrigin-Name: 304689f8acb53d68e1afed6e6c4332e78132e3d57071b8f94df0d13515b3b3d8
 2017-04-26 04:32:17 +00:00
dan
a1188d6d93 When building an ephemeral table of integers, do not assume that the table 
does not already contain N if the insert cursor points to N-1. Fix for ticket
[61fe9745].

FossilOrigin-Name: 1c1b0862236f564283be08338790d6494e705f1198547a59499e3f8c07f2cd99
 2017-04-24 14:16:55 +00:00
drh
0c3233be0b Fix an assertion fault found by OSSFuzz. 
FossilOrigin-Name: e39769f442ea86273f8fb7bd2f249b7d760b2fe4bf9ec191ff91def8231f3f35
 2017-04-22 00:20:49 +00:00
dan
39c9d3a367 Remove a NEVER macro for a condition that may be true as of [a47efb7c]. 
Problem reported by OSSFuzz.

FossilOrigin-Name: bdc50d8d127266d02b291f6bfcd4e35eb07994ce23987d6e3921124cd881929a
 2017-04-21 17:03:32 +00:00
dan
0619838c55 Fix an FTS5 bug that could cause a prefix-query without a prefix-index on a 
database that contains delete-markers to return extra, non-matching, rows.

FossilOrigin-Name: 840042cb2bed2924e2263f21887317f661e5a585c4466c3af25b91ed57a6b49b
 2017-04-21 16:04:18 +00:00
dan
dc62daca86 Further improvements to coverage of fts3 module. 
FossilOrigin-Name: 6b21d0fdebdccfaf63590d9ca9a279c22b8baec07c1a669b9f617f25bd857384
 2017-04-19 13:25:45 +00:00
dan
a059e99ca8 Further modifications and test cases to improve test coverage of fts3. 
FossilOrigin-Name: ea8a0d2ce0cb1ca3f4f18c72fb780d1c26792799acc87e6726f9eaccf2f178bf
 2017-04-19 07:33:52 +00:00
dan
0027e98b85 Use sqlite3_table_column_metadata() instead of a SELECT statement to check for 
the existence of a %_stat table in fts3. This leads to smaller and easier to
test code.

FossilOrigin-Name: dc2a48020a3c856a8b4cfa2309c290f0508b991e92cc0e4de680d19aae7872fc
 2017-04-18 13:50:00 +00:00
drh
bff6fe1f40 Improved optimizations of views as the right operand of a LEFT JOIN. 
FossilOrigin-Name: 41c27bc0ff1d3135cdb6273ede4595f5bb0c0e1e1d470ea1633cb525674cf431
 2017-04-18 11:20:19 +00:00
dan
bda00fbdb7 Refactor the fts3ColumnMethod() function so that all branches can be covered. 
FossilOrigin-Name: e47fdb493bd76d85f6f05771ee7a0b3ee31b1eb05839a60d2bdb47149ac692d8
 2017-04-18 05:49:23 +00:00
drh
cfcca02765 Defer checking for null in the comparison operators, since that is an 
uncommon case.

FossilOrigin-Name: 5684525613961fed9db6a4d10dbe25521201b24f08e011df3a20ac895316957d
 2017-04-17 23:23:17 +00:00
drh
e2bc6552fe Do not allow a Mem object to be both NULL and some other type at the same time. 
FossilOrigin-Name: e698db1956bb3aba32cd3ec633ec20f5d19b1a10bc68d3772903bca3c87ee158
 2017-04-17 20:50:34 +00:00
dan
4bee5599c0 Consolidate two branches of code in the "PRAGMA foreign_key_check" 
implementation.

FossilOrigin-Name: 69f51f838abcf57b35e41f7a10fbb45f56536f93825aac865debc3c8315930be
 2017-04-17 18:42:33 +00:00
dan
940464b1dc Fix a problem in "PRAGMA foreign_key_check" in handling a WITHOUT ROWID child 
table with an INTEGER PRIMARY KEY parent key. Also, if an FK violation is
detected in a WITHOUT ROWID child table, do not try to read and return the
rowid. The third column returned by "PRAGMA foreign_key_check" in this case
(WITHOUT ROWID child table) is now always set to NULL.

FossilOrigin-Name: 690870bd7b2e607b7992c4496c9f08c29eb72a36af002c606fd7aa3dcf94a2a4
 2017-04-17 18:02:41 +00:00
dan
624edacf6a Further improvements to test coverage in fts3. 
FossilOrigin-Name: 352413eed469802665e7d2c17b7fe6e3a0b0b2209ce45bdc85fd4243cec50ea6
 2017-04-17 16:07:25 +00:00
dan
ddf4747053 Improve coverage of code in fts3. 
FossilOrigin-Name: 1a08a836fa919524216a16faf5212eebc9ad788c9e15463b68b0576dfccd4387
 2017-04-17 13:38:09 +00:00
drh
6887e8facd Fix the ".column" output mode in the command-line shell so that it correctly 
counts and formats multi-byte UTF characters.

FossilOrigin-Name: f508aff8d1782abdff4d03726ae098607a0ee6cfd2e35b130097ee5043e98960
 2017-04-17 13:18:42 +00:00
drh
b6d5a43b8a In the showwal command-line tool, for unix builds, if the 
auxiliary argument is of
the form "Ntruncate" where "N" is a frame number, then truncate the WAL
file after the N-th frame.

FossilOrigin-Name: 90015df30655d884ecf7ae61e588824696954252dc6b1a5f78cf2de8cb236104
 2017-04-16 22:41:49 +00:00
drh
b65b3e429a Add the anycollseq.c loadable extension in etc/misc 
FossilOrigin-Name: d7b9813cb17615c3d00afd6994a4309d6d48c8e924b6cd813c543e1fa65c7719
 2017-04-16 22:08:31 +00:00
drh
147fd88268 In the skip-ahead-distinct optimization, fix a bug in the logic that determines 
when to invoke the optimization based on sqlite_stat1 statistics.

FossilOrigin-Name: 89f9e4363aa19f306e55f749c442eae2f8994f6a47c65e645a79b308b450d5e5
 2017-04-15 11:53:47 +00:00
drh
a2e2d92b21 Fix to the decision logic for when to use the skip-ahead-distinct optimization. 
FossilOrigin-Name: e50fd48969f99bc988389c53ff46714603b1d11de12c71b55c00cbee037f073c
 2017-04-14 22:41:27 +00:00
drh
06f60d8e87 Remove end-of-line whitespace from lemon.c. 
FossilOrigin-Name: d78355c85f49e139f1ac1a660563865350f0e442652b7bc50b684398f81cc602
 2017-04-14 19:46:12 +00:00
drh
14d8855b8f Fix some left-over K&amp;R-C constructs in lemon.c. No changes to the core. 
FossilOrigin-Name: a53799059d4ece246610b6c877ab7088ded3548cbca7149a03deea8ac0e27e68
 2017-04-14 19:44:15 +00:00
drh
31d6fd5507 Add the TK_IF_NULL_ROW opcode to deal with non-NULL result columns in the 
result set of a view or subquery on the RHS of a LEFT JOIN that gets flattened.

FossilOrigin-Name: 3a5860d86fadcf924316707918bf283d26c53b1473e5e67f5cff59d18c2a7742
 2017-04-14 19:03:10 +00:00
drh
1a17b44231 When doing a DISTINCT query using an index, try to use the index to skip ahead 
to the next distinct element, rather than doing a full scan of the index.
(This is the "skip-ahead-distinct" optimization.)

FossilOrigin-Name: f489b5bb6b35665befdd411c2c55df5258e83cba265d8c4427ba22529cf882a4
 2017-04-14 17:30:43 +00:00
drh
399c7e21e4 An initial attempt to optimize VIEWs that occur as the right operand of a 
LEFT JOIN.  This particular check-in does not work correctly because it does
not deal with the case of columns in the VIEW that return non-NULL even when
all columns in the table of the VIEW are NULL because of the LEFT JOIN.

FossilOrigin-Name: 1838a59c8a1c151bd6fc822b0ffef661803cf0e4704c917e74a04567b81740b9
 2017-04-14 17:18:45 +00:00
mistachkin
b1ed717f18 Make USE_FULLWARN=1 the default for MSVC and fix harmless compiler warnings. 
FossilOrigin-Name: 6bf673767b8e5cedef1acff795cbe524fab8db2525c06424db4e038934a33936
 2017-04-14 14:50:34 +00:00
drh
d97cda43ab Enhance the sqlite3TreeView() display for Expr objects so that it shows 
the iRightJoinTable value for Expr nodes that have the EP_FromJoin property.

FossilOrigin-Name: 5159cb8f2bcfb1f7114786ba23082d2b91a26e3a7ddfae75f8bd362792949d5e
 2017-04-14 14:02:14 +00:00
drh
46967de2ec Simplify the interface to the subst() routines that are part of the 
query flattener by collecting common parameters into the SubstContext object
and passing around a pointer to that object.

FossilOrigin-Name: e651074be28b2077b8a298f513e2e699ceca99164ace9869ea50873c0637fd2e
 2017-04-14 12:39:37 +00:00
drh
7c88bcd473 Remove an incorrect ALWAYS(). 
FossilOrigin-Name: f956f6ae6b0863c70c4a2b227338d5c332e87f2ec6f3fcdf2233c14c5b78ca2b
 2017-04-14 12:27:45 +00:00
drh
571311502d Fix a couple of unreachable branches. 
FossilOrigin-Name: 1aa0ea8db7580aff8bed2f78117ed50019e5545cef48cab782f512a2599fd0c5
 2017-04-14 00:45:51 +00:00
drh
172806e489 Fix the skip-ahead-distinct optimization so that it works with indexes that 
have repeated columns with different collating sequences.

FossilOrigin-Name: ce1e2b88777e00a82c04abe5ba35eec81b5f324e462f099cd00b21054f369688
 2017-04-13 21:29:02 +00:00
drh
c04ea80f64 Simplification of the skip-ahead-distinct logic. There is still an issue 
with handling COLLATE.

FossilOrigin-Name: 57c5173b6376a76013b0611ce9770100bd8c04e80402e35d821d8614709f4795
 2017-04-13 19:48:29 +00:00
dan
a74f5c2923 New test cases and minor fixes for the optimization on this branch. 
FossilOrigin-Name: 70ac9ea1a6cb2f4906f00f1a04f668e5ba5eeed8d4d0fa4be57a9c9eb0683697
 2017-04-13 18:33:33 +00:00
dan
d0a537100c Reinstate the SQLITE_API qualifier on the sqlite3_delete_database() method in 
test_delete.c. Accidentally removed by the previous commit.

FossilOrigin-Name: 59c70108fd179932ccdd860f93e1cd68b77476d3b1af1af00cf6e378c9984862
 2017-04-13 15:51:27 +00:00
dan
44ae27ac32 Update the code in test_delete.c to use the "win32" VFS if SQLITE_OS_WIN is 
defined.

FossilOrigin-Name: fa9bb7b768027677f7e7d5a196ba5b245dfc8d8986ccd101c8dab671bd15719d
 2017-04-13 15:36:47 +00:00
drh
839fa6d814 Only use the skip-ahead-distinct optimization if the index has been analyzed 
and we know that a skip-head is likely to skip over at least 11 rows.  The
magic number 11 was determined by experimentation.

FossilOrigin-Name: 0cf16decd534bf2d66620c293f8c8987f356305f2d97f8fd12d260bda1571385
 2017-04-13 13:01:59 +00:00
dan
929b695111 Allow a user column name to be used on the LHS of a MATCH operator in FTS5. 
FossilOrigin-Name: 6f54ffd151b0eca6f9ef57ac54802584a839cfc7373f10c100fc18c855edcc0a
 2017-04-13 09:45:21 +00:00
drh
8489bf5aff Forward port the skip-ahead-distinct branch which was abandoned for some reason 
that I do not recall.  This port should have been achived by a merge of trunk
into the previous head of skip-ahead-distinct, but that did not work.  So I had
to manually "rebase" the changes.

FossilOrigin-Name: 132339a1fb0b9664df4d3eefbed6e77ef100ba95a91dcc622da7bd3fcdfcd6af
 2017-04-13 01:19:30 +00:00
drh
8671538cad Fix a regression caused by the fix for ticket [6c9b5514077fed34551f98e64c09a1] - 
control characters allowed in JSON.

FossilOrigin-Name: 8e7b611863247a3bf46a96ec4b47d24c0ae0d60c9cee968a1cfd1da157e7c9bb
 2017-04-13 00:12:32 +00:00
dan
03155f659f Update fts5 to support "<colset> : ( <expr> )" for column filtering, as well 
as "<colset> : NEAR(...)" and "<colset> : <phrase>".

FossilOrigin-Name: c847543f8bb1376fef52bca72b4191162a32eb7e6c5f0cd1aa0ab116b3183396
 2017-04-12 17:50:12 +00:00
drh
26849e14c2 Improved \n and \r escapes in the ext/misc/dbdump.c utility function. The 
implementation of dbdump.c now matches the implementation in the CLI.

FossilOrigin-Name: f2643315bb41a71eebd79f5d671f9163187e299a52ff8a481186f1e8fa7e5262
 2017-04-12 17:38:24 +00:00
dan
15e0f3d901 Avoid updating unaffected indexes on a table as part of an UPDATE that 
requires foreign key processing in some cases.

FossilOrigin-Name: 7aae5c0f99aa2fda85654242cfc9e23a0f981d9ce4ab17610d619cd208540b3d
 2017-04-11 20:48:30 +00:00
dan
940b5eaa5e Avoid updating unaffected indexes on a table as part of an UPDATE that requires 
foreign key processing in some cases.

FossilOrigin-Name: 477bea9ed0dd0fa69896bfd16d9b1d22170cbab784e3279ce65c29c47e032f34
 2017-04-11 19:58:55 +00:00
drh
ff6d50e973 Limit the depth of recursion for valid JSON in the JSON1 extension in order 
to avoid using excess stack space in the recursive descent parser.
Fix for ticket [981329adeef51011052667a9].

FossilOrigin-Name: 1f68c184596912d742b50b1ca38252a9e783aacf121619a27b17a7ae9f6df041
 2017-04-11 18:55:05 +00:00
drh
e97c9ff49a Smaller and faster implementation of exprMightBeIndexed(). 
FossilOrigin-Name: 76cd611d41465fcec61c21520d55172cb236530f38386b7d4a5544ba87de2353
 2017-04-11 18:06:48 +00:00
drh
ef90a6b8dd Very slight smaller and faster sqlite3SelectNew() 
FossilOrigin-Name: 4143650c4ce32289d2301cdfc69bb10877246420f656bed122886f6803fc956a
 2017-04-11 16:44:39 +00:00
drh
cbae543a5c Add an ALWAYS() around an unreachable condition in sqlite3VdbeMemGrow(). 
FossilOrigin-Name: 0f3eb61f44c94234ffc14c3a493a27ec62c0d1e2bb62798f36eafa98ddcdc58e
 2017-04-11 12:20:54 +00:00
dan
b8d29c2f75 Fix a segfault that could occur if an indexed expression was used in a 
comparison operation within the result-set of a SELECT statement.

FossilOrigin-Name: d6bb7c42ff6309ce168ccdcf03b4cdabfccfc9e2a911d254ac7dc4fea4aa2bc1
 2017-04-11 11:52:25 +00:00
drh
d6e992cb1e When using an index on an expression, try to use the columns of the index 
rather than pulling columns from the table and reevaluating the expression.

FossilOrigin-Name: a47efb7c8520a01110ce3b3531ebe1bab6720780d67fba001992c44c5807d332
 2017-04-11 01:30:42 +00:00
drh
eac5fc0476 Improved comments. Fix a problem when an indexed expression is used in an 
ORDER BY clause.

FossilOrigin-Name: c59eaf2b7cd2596733f349fc0fe979f71fd29bd73152a0c57066e0b69d5b7a4a
 2017-04-11 01:01:27 +00:00
drh
2f8b37850c Merge changes from trunk. 
FossilOrigin-Name: 8978465f335925378d3aa99df6190ce6a1ee6b130205ccc493f2399803844760
 2017-04-10 23:42:04 +00:00
drh
0415d826c0 Smaller and faster vdbeFreeOpArray() 
FossilOrigin-Name: e052436d9f54b785facd661adc648512356b831c0547aa8f347ebf4bd8ef1254
 2017-04-10 20:51:21 +00:00
drh
4c6463cc29 Slightly smaller and faster sqlite3VdbeMemGrow(). 
FossilOrigin-Name: efd1702ae8da8e0dd3d2ee7bd5a1bd8aeff2b370498e404041fcb406fdaf72e4
 2017-04-10 20:27:54 +00:00
drh
2ac702d8c0 Add a new JSON test case to verify that all control characters are escaped 
in the json_quote() function.

FossilOrigin-Name: 6ee12221fa252784c897a24ae8cff64dfe6149cbc9020abe14539df33202d892
 2017-04-10 12:31:15 +00:00
drh
e12e24ded8 Change the JSON extension so that it disallows control characters inside of 
strings.  Fix for ticket [6c9b5514077fed34551f98e64c09a10dc2fc8e16].

FossilOrigin-Name: 475d8f82ec61a4ff3e6a7650731230ccecb6cc580d1397d189d0ba479d9bad4d
 2017-04-10 12:25:05 +00:00
drh
7a6ea93fd8 Do not expose the name of the internal Mem object in the public interface 
defined by sqlite3.h.

FossilOrigin-Name: 19dd753f9e50fee247b1ab141669817c7e88bc3f6d6065dba6c731db9f7a2409
 2017-04-09 19:23:55 +00:00
drh
9fa866a8d9 Disallow leading zeros on numeric constants in JSON. 
Fix for ticket [b93be8729a895a528e2]

FossilOrigin-Name: 204e72f0080e8f08f99978870bd3cb9d59b068ecffee82192d707c650548b43b
 2017-04-08 18:18:22 +00:00
dan
a34adaf667 Expand on the comment above OP_Destroy to explain why it throws an error if 
there are any active reader VMs.

FossilOrigin-Name: b9a8c2b9bec9f537b2d5aff6659a5748b1f70b53519a1f9dfceb5209154eca8e
 2017-04-08 14:11:47 +00:00
dan
5b09d13a58 Have the rtree module close any open blob-handle within the xSavepoint method. 
This prevents such an open blob handle from interfering with DROP TABLE
operations.

FossilOrigin-Name: fa4416adc2a9a3a80db1d5befc0b95c3d0fc41affe38f7f2f45cdfae3f1b49eb
 2017-04-08 13:52:41 +00:00
drh
13fe138b0a Fix the quoting mechanism for ".dump" so that it is not applied for the 
".mode quote" output.

FossilOrigin-Name: 78c1e90305d48917d9423d8e50a7dfd15ec27aa93cb421610062229c7ede13a6
 2017-04-08 13:42:55 +00:00
dan
be0bc8bb4d Have fts5 close any open blob-handle when a new savepoint is opened. This 
ensures that fts5 does not prevent DROP TABLE statements (which always open a
savepoint) from succeeding.

FossilOrigin-Name: a921ada89050ce1d162fd1b0056939573635e2cec7ac0c2a99ae924b3ae593f7
 2017-04-08 09:12:20 +00:00
drh
297e2bdb8e Make sure the RTree sqlite3_blob handle is reset prior to renaming the table. 
FossilOrigin-Name: 1cdae2db3c54970a1811e597065724578408c84d49d75b8fe25d56281ddc2e94
 2017-04-08 01:09:14 +00:00
drh
72507d431b Fix the ".dump" command so that it works with ".headers on". Also fix the 
display of ".mode insert" with ".headers on".

FossilOrigin-Name: a6ce57ee3c7f3527554a75cc1dd5ebcd33c944d4dca07b134d103596a2ae5b32
 2017-04-08 00:55:13 +00:00
drh
98368eeb2c Use replace() instead of char() to quote newline and return characters in 
strings in the output of .dump, to avoid excess expression complexity.

FossilOrigin-Name: 7307352988174a6c2756dbbe200bf62a45fb4cc1da7faa2c6b0f75e229eab703
 2017-04-07 20:20:08 +00:00
drh
f1824a77b0 Remove an unused token type. 
FossilOrigin-Name: 13a422230dcf4a8a80434af97434d57e456dcaa6bf0c41e6859f37ded6fa96ca
 2017-04-07 19:52:13 +00:00
drh
aca19e19a8 Proof of concept for the ability to use the expression columns in an index 
on expressions in place of equivalent expressions in the result set or in
the WHERE clause.  This check-in compiles but is mostly untested.

FossilOrigin-Name: a52ef2ad7c0e14b78b801f16a1f6ea8d8fa9ae5d7d810e18dd24c600b662a312
 2017-04-07 19:41:31 +00:00
drh
6193d49cdf Use replace() instead of char() to quote newline and return characters in 
strings in the output of .dump, to avoid excess expression complexity.

FossilOrigin-Name: 4c2b572969ea2ed2a925444ecfa356aa877018cbb9c4f57d081ab4b535cd1dd0
 2017-04-07 11:45:58 +00:00
dan
54e2efcd2f Fix the ".lint fkey" shell command for cases where the child key is also an 
INTEGER PRIMARY KEY.

FossilOrigin-Name: 48826b222c110a90996a84605318ea6b1e502b8c5129f4d561f8350dbdbcd264
 2017-04-06 14:56:26 +00:00
dan
50da9382f9 Fix the ".lint fkey" shell tool command so that it works for foreign keys that 
refer implicitly to primary key columns with non-BINARY default collation
sequences.

FossilOrigin-Name: 327eff25ba2420267cc8dc49dd3c3aab45f4bf9e060d1ad480e25d016d21f3ba
 2017-04-06 12:06:56 +00:00
drh
6948ed5977 Remove a confusing and pointless sentence from the documentation for the 
sqlite3_interrupt() interface.

FossilOrigin-Name: c5f1a2b6eb3df879d247a22b3f92f4f74fcf4f0d219450abc420ae6d02481324
 2017-04-05 13:44:40 +00:00
drh
dbd6a7dc06 Split off sqlite3DbFreeNN() from sqlite3DbFree() and use it in cases where 
we know that the argument to be freed is never NULL.

FossilOrigin-Name: ad90e8bb5e47945607c8fb47b6ade8cfc52a9b684805cc40132629be0ecc14cc
 2017-04-05 12:39:49 +00:00
drh
ac48b751e2 Save a few bytes and a few CPU cycles in sqlite3ExprListDelete() routine. 
FossilOrigin-Name: 9e6c939144a129b36bb119120442a4a021e00187783da211315d4bb13acd7c3a
 2017-04-05 11:57:56 +00:00
drh
f4dd26c5a0 Remove a conditional made unreachable by the previous ExprList enhancement. 
FossilOrigin-Name: a1cf44763277b6c745b5b5509ca9129b6c3231608b4d1c8aec2815b64b5a2a07
 2017-04-05 11:49:06 +00:00
drh
43606175e2 Combine the ExprList_item objects and the ExprList wrapper into a single 
memory allocation, for improved performance and reduced footprint.

FossilOrigin-Name: 2b6560ad88b92820c383bcdc1e30c06f8b081ef7c6d9b1af71d2bb76c83e35cd
 2017-04-05 11:32:13 +00:00
drh
32d0eba4c2 Attempt to remove bash-isms from configure.ac. Use -O0 with --enable-debug. 
FossilOrigin-Name: 71ed35ccf7c0f6c49118a44cf6621f46b9ea883e4a74d51b8b1ade6d9a95413a
 2017-04-05 10:54:14 +00:00
dan
75f9558808 Fix a problem causing "PRAGMA integrity_check" to disable the xfer 
optimization for subsequent VACUUM operations on tables with one or more CHECK
constraints. This could result in VACUUM producing slightly larger database
files.

FossilOrigin-Name: e5bb7db51cdfd8124c60329782798cea398733545594dab55cb892b2a08c4d29
 2017-04-04 19:58:54 +00:00
drh
628dfe163f Avoid an unnecessary call to sqlite3WhereGetMask() inside of whereShortCut(). 
FossilOrigin-Name: 5c11f4303f6a33d6358f451244551be63baf9afe5630332e60b349215e20a3af
 2017-04-03 14:07:08 +00:00
dan
cfb3235752 Do not attempt to run sync2.test with SQLITE_DISABLE_DIRSYNC builds. 
FossilOrigin-Name: 658f08ce84b45f057843263961f6c47a322f841764134ec38f35719f0f2042d7
 2017-04-03 13:59:22 +00:00
drh
761f691d0e Force a schema load prior to "PRAGMA optimize". 
FossilOrigin-Name: 86897c24c0b35ffea8df72d86a099addf67de210c6568aaba22ef92f1a60c3cf
 2017-04-03 13:33:51 +00:00
drh
1cc3a36d90 Fix typos in the documentation for OP_Column. 
FossilOrigin-Name: 777b43e64ffb2fb80ba7b705c129c133bf9787993a66cde1759dc070b324b4b4
 2017-04-03 13:17:31 +00:00
drh
caab5f42db Slightly smaller and faster implementation for vdbeSorterCompareInt(). 
FossilOrigin-Name: 84fa069c5bdfe41d03d03875c9157cc6785150b677c04e40b8916ba5af073dc8
 2017-04-03 12:04:39 +00:00
drh
8e633b3ba9 Remove an unnecessary setting of the Mem.enc field for the output of the 
OP_Record opcode, for a performance improvement and size reduction.

FossilOrigin-Name: e6e36b288fdf21b7ff7f0bf85d2225b6505f54367b183c302c93c34a4a40b8b5
 2017-04-01 20:44:26 +00:00
drh
662c50e067 Minor performance enhancements to the OP_Affinity opcode. 
FossilOrigin-Name: c45cd3b947c0f03a688f827fddb4629a986788f0dd98d5ef899f11e68ff1c202
 2017-04-01 20:14:01 +00:00
drh
96a7e28df6 Remove an unnecessary clearing of the Vdbe.iCurrentTime value. 
FossilOrigin-Name: fcd2acdd6075aa9a7a66ce254eba77485f7b2804127e109c0309173488cd4b87
 2017-04-01 19:45:20 +00:00
drh
b808d77771 Faster implementation for sqlite3VdbeIntValue() and sqlite3VdbeRealValue(). 
FossilOrigin-Name: 8698df60c23d4dcc80b58352c14ae80ec238cac496f8a87bd72a96fef61cc63f
 2017-04-01 11:59:36 +00:00
drh
b6017a44c5 Remove unused fields from the BtCursor object. 
FossilOrigin-Name: 1c0d82e0786ed22d07d774b8b166340fad97bcaab6016e395c469bcfcb7c77a3
 2017-04-01 11:40:05 +00:00
drh
75e96b3100 Save a 78 bytes of code space and a million CPU cycles in speedtest1 by 
storing the cell index for the leaf page in the BtCursor object in its own
field (BtCursor.ix), rather than as an entry in the BtCursor.aiIdx array.

FossilOrigin-Name: 2452f0617d1085689264b5f66681788cfe9e3b1a7b318307c93942b702a443df
 2017-04-01 00:20:06 +00:00
drh
53b2459a36 Declare the Lemon-generated parser object as itself. (Duh) 
FossilOrigin-Name: c8000e94cca59dabf83d6cb75b40441aaf793d29880582dc4baa17246449b5fe
 2017-03-30 17:13:37 +00:00
drh
52105783fd Increase the version number for the next development cycle. 
FossilOrigin-Name: 9e550ccc29f317422dae3a4bb89a78b839330825fecd40a01d1a2acc719cef79
 2017-03-30 16:51:35 +00:00