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Code Activity
27,211 Commits 1,607 Branches 185 Tags
8dd4697e48c04a405c9c8da4a68b948e45b1f159
Commit Graph

477 Commits

Author SHA1 Message Date
stephan
4598b6e5ae Add API_ARMOR to sqlite3_clear_bindings(). 
FossilOrigin-Name: f3fb4d345bbf5ae4a35d8076043df601b1bf7dfd68760a416440139eb3e5eb9a
 2023-10-22 13:09:37 +00:00
drh
42b49a3138 Omit an unreachable branch when SQLITE_ENABLE_API_ARMOR is not defined. 
FossilOrigin-Name: 5f8b807b568f4f9ec65f1c924e0e1ac2f996f405e045204145ad7116be7580ee
 2023-10-17 18:28:27 +00:00
stephan
b866f98346 Harden API_ARMOR checks for sqlite3_stmt_scanstatus_v2(). 
FossilOrigin-Name: d3f38e813ba3b887e973af034713cd58fdfbe07da375b154accc7b5790cfaeda
 2023-10-17 02:15:49 +00:00
stephan
eb62ccdab5 Add API_ARMOR support to the scanstatus family of functions. 
FossilOrigin-Name: 2f3101f016d5f8d954a262befdf5e0f938a223e444bc534e1d3655b733f4663d
 2023-10-14 20:01:55 +00:00
stephan
c76e450908 Add API_ARMOR support to the sqlite3_result_...() family of functions and sqlite3_bind_zeroblob64(). 
FossilOrigin-Name: afabe3e35a66625527e2881749cdb6e13300888ab57bc0f05889d0e3ee203d73
 2023-10-14 16:29:36 +00:00
stephan
7a54b12695 More API_ARMOR additions. 
FossilOrigin-Name: 78ebf838f645742f87733665cd72af736df345683b27377a2c8310c893b1769d
 2023-10-14 14:53:18 +00:00
stephan
7dc0cc45f3 Round one of an audit for SQLITE_ENABLE_API_ARMOR for functions exposed by JNI and those functions missing armor, as [forum:5e3fc453a69b49ca|reported in several forum posts]. 
FossilOrigin-Name: 8c25c4b18ad07861bf0e47f99f3db04b569b9b859ad0690602f748ddf3576939
 2023-10-13 12:48:35 +00:00
drh
5a05a68315 Fix a few SQLITE_MISUSE returns so that they call sqlite3MisuseError(). 
FossilOrigin-Name: 93f74490faf8cc07e107afdab6737c6e5141ae1f01a05142bfcede2dd1b2ba4e
 2023-09-05 15:03:23 +00:00
drh
592ae2823c Fix harmless compiler warnings reported by MSVC. 
FossilOrigin-Name: 391e21bb6e0b2f4632972b6617a3a18192f88deb29eee5bc060846468e624b21
 2023-08-14 12:20:44 +00:00
drh
fb546c0bf4 Simplification to the sqlite3_stmt_explain() implementation. 
FossilOrigin-Name: dd5eb4c7f71c658aff8c2f11ff163c5e79f0ebfd49fd13ca8e28381fe63cc82f
 2023-07-29 17:05:35 +00:00
drh
0c6b869263 Enhancements to the new sqlite3_stmt_explain() interface implementation and 
documentation.

FossilOrigin-Name: dc98ac6b6de27fc096a715e650067154a545709cf1eecd6c2722ab30a91c2d1d
 2023-07-29 15:31:48 +00:00
drh
58b5921ca4 Add the sqlite3_stmt_explain() API. 
FossilOrigin-Name: 0443c0ef85f8f6f3efdee68bf59126c9459f08a58458756f8cbeeaf043d43a86
 2023-07-28 18:37:13 +00:00
drh
569700a72e Further improvements to large string handling in relation to JSON. 
FossilOrigin-Name: 1e5df0aa3dae5cadbf1d07c718ae2a5212543300b68e49d35e8c96855a7f619c
 2023-07-21 18:09:07 +00:00
drh
eee8687a9f Fix harmless compiler warning about signed/unsigned comparison. 
FossilOrigin-Name: 75cc3c89ee2dcfefa9421ce60bee77e85d2895918e8c5cfd05c434f8932a99b5
 2023-07-21 15:07:56 +00:00
drh
7a2280fe65 Multiple optimizations that try to preserve or infer the zero-terminated 
property of TEXT values.  Avoid unnecessary copying of text values destined
to become function parameters.  All changes help improve performance of
doing UPDATEs on large JSON values that are indexed multiple ways.

FossilOrigin-Name: d0278cdedfa04fb0b61838ab9622be8a2c462f58d5c3ebc4c5f802a727d0974e
 2023-07-21 15:01:53 +00:00
drh
d1db37a2f3 Enhance the sqlite3_stmt_explain() interface so that avoids unnecessary 
reprepare operations.

FossilOrigin-Name: 050f773addd605f6690348c98e9000a9a3663bbc26288a71973fd7b40468e8ab
 2023-07-18 17:29:05 +00:00
drh
e393f6eff0 Add the experimental sqlite3_stmt_explain(S,E) interface. 
FossilOrigin-Name: 5683743ddf0bb051f2fe5d137cc18407e000e77e9faa9010a22e3134b575638b
 2023-07-15 16:48:14 +00:00
larrybr
bc91738e66 Add a C-source spell-checking facility. make misspell (on Nix) 
FossilOrigin-Name: 26c1bb4bd9e9f56613c3aa87407a7f562fd4ebde5bfd6dece02078001d9a45f8
 2023-06-07 08:40:31 +00:00
drh
93b4c3beb8 Use a new technique to detect fresh OOM faults in columnName() that does not 
rely on there being no OOMs prior to entry into columnName(), as
[forum/forumpost/fb6811c2f9|forum post fb6811c2f9] demonstrates a technique
which could cause an OOM prior to entry into columnName().

FossilOrigin-Name: a63346d6a0c0ca7ba4c87499de2e461be9c77e9b5d98f2bebf308cdb6599f33c
 2023-04-27 23:59:51 +00:00
drh
cd0f540761 Fix an incorrect entry in the array that maps sqlite3_value values into 
actual datatype numbers.  dbsqlfuzz f660c659bcec48577a43d3bab37f46baaa22f59e

FossilOrigin-Name: fa8537dc90cad962dec695418d48da2890a172801ecad0c7c804023a063d3a02
 2023-04-04 18:55:31 +00:00
drh
54b81e36ff Fix harmless compiler warnings. 
FossilOrigin-Name: a4fb2864fe01cce9694242a0750623ca47fcecd68f74c4239d3eb5fbf978770a
 2023-04-01 15:51:21 +00:00
dan
7b56e97866 Fix a problem with sqlite3_stmt_scanstatus() from within an SQLITE_TRACE_STMT callback made from within a trigger. 
FossilOrigin-Name: 1fa78fafa1340de458546526b03cf8b3e9c823913c4225d7c747ad182df5c0fc
 2023-03-29 18:54:01 +00:00
drh
601e4d4a0f Back out the 'txn' enhancement to date/time functions. The duration of a 
"transaction" is confused and needs to be straightened out prior to moving
forward with this change.

FossilOrigin-Name: 4a145f07322d768a07619bed27e0390d50f3a01d07787b9296234a5ceb6f1218
 2023-02-08 20:29:48 +00:00
drh
3393ee7ff6 Simplify the code and add test cases. 
FossilOrigin-Name: d3bed4caff561e71c396cc869c5b4d9bf216ba203485e738c12ec62741f1aba5
 2023-02-07 23:55:59 +00:00
drh
d4af882a1b Add support for the 'txn' argument to date/time functions that works like 
'now' but keeps the same time for the entire transaction.

FossilOrigin-Name: 5e4f45af96247e29910403a63ac148cb313b005f9c014b37a9a49d98f5fef9a6
 2023-02-07 21:55:14 +00:00
drh
3c12ebd4a3 Improved fix to allow sqlite3_vtab_in_first() to reliably return SQLITE_ERROR. 
FossilOrigin-Name: b25eec1c13f6a8c7ba993e5a55e26798f3b67a8b9571998459671cb570cbdfb4
 2023-01-26 02:18:53 +00:00
drh
b604f1456e Enhance the sqlite3_vtab_in_first() and sqlite3_vtab_in_next() interfaces so 
that they reliably return SQLITE_ERROR (and not SQLITE_MISUSE) if they are
invoked on a parameter that did not have multi-value IN processing enabled
via a prior call to sqlite3_vtab_in().  See
[forum:/forumpost/a823d4a3d5f73def|forum thread a823d4a3d5f73def].

FossilOrigin-Name: 144326dc171025dc8b5a77bebd8de3c19d5244ab807f5aa41f95313a25b880bc
 2023-01-25 16:56:24 +00:00
drh
cce70d52d0 Avoid having to reinitialize Vdbe.pResultRow upon each call to sqlite3_step() 
for a small size reduction and performance increase.

FossilOrigin-Name: 6a00d67f5955ab86eea982c27b3a03b680fdf644ec63f49586ade6342a4d64a6
 2022-12-22 19:12:48 +00:00
drh
edc2713fdc Rename the Vdbe.pResultSet field to pResultRow in order to better distinguish 
it from other variables with similar names.

FossilOrigin-Name: 1fd6211ef7bd26ed625177bfedfd5153ace547de6a71365ecfa076578d043f1a
 2022-12-22 18:44:39 +00:00
dan
7f4b066eb2 Reduce the overhead of SQLITE_ENABLE_STMT_SCANSTATUS some. 
FossilOrigin-Name: 212927e97e7be7d237de08359dce0dfb9211ac406b32009a6e15afd79c006475
 2022-12-07 20:09:54 +00:00
dan
2adb309ead Have sqlite3_stmt_scanstatus_v2() return an NCYCLE value for all loops, not just virtual tables ones. The value returned is the sum of the NCYCLE counts for the various opcodes that move or read data from the table or index cursor associated with the loop. 
FossilOrigin-Name: 9499b2f51e8174c6b8a67840c92ba23b7dd1dc8dc2b91fca0c5dc07b71662149
 2022-12-06 18:48:06 +00:00
dan
07c8e08889 Update comments in sqlite.h.in to account for sqlite3_stmt_scanstatus_v2(). 
FossilOrigin-Name: 009462f2344b1f468cf9440343a47fec68d783a2bfb4fa6168bb227ec910b918
 2022-12-05 18:52:12 +00:00
dan
a3d0c158a0 Add loops and rows counters to "USE TEMP B-TREE FOR ORDER BY" records. Also fix the sqliteHwtime() function so that it returns a 64-bit value. 
FossilOrigin-Name: 41a0e05e8c0fca3b803fe4bd017a157c172b2ca518356a2a4d4ed4f12d01a1e3
 2022-12-05 18:19:56 +00:00
dan
ad23a47acd Enhance SQLITE_SCANSTAT_NCYCLE so that it reports on virtual tables. 
FossilOrigin-Name: 622d8eb3724bee617b55d6fb71f1a2d683db6858065adced6bf3ce9525bcd6b5
 2022-12-03 21:24:26 +00:00
dan
f6f01f15dd Add CYCLES scanstat measurement to "USE TEMP B-TREE FOR ORDER BY" lines. 
FossilOrigin-Name: 365011ae8b7e3fcaa2c4ea9601231a3ef2223e60d7a53ec33013109dca22ad58
 2022-12-03 18:16:25 +00:00
dan
231ff4b027 Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of easier to read query performance reports. 
FossilOrigin-Name: 55800833645739efeddcacef464c623931cb6aeb43f4219b4e4faf473c25c8bb
 2022-12-02 20:32:22 +00:00
drh
d2603adf46 For the sqlite3_bind and sqlite3_result interfaces for UTF16 strings, round 
the number of bytes down to the next even number, to avoid creating a UTF16
string that is an odd number of bytes.
[forum:/forumpost/411199488d065f83|Forum post 411199488d065f83].

FossilOrigin-Name: b57e3c3db00a6bc6db20c82530479f9eba7e37b731f0da6fe81682e84c7ac916
 2022-12-02 17:52:52 +00:00
drh
47996ea7c4 Add the sqlite3_value_encoding() interface. 
FossilOrigin-Name: d6d449978245b4fa66c152132da468eea7977eab4d1fe53bb2fe3ef543d8030f
 2022-10-12 12:49:29 +00:00
drh
e5928b17ca Change the names of the Vdbe.pVNext and Vdbe.ppVPrev fields to make them 
unique.  Change to ppVPrev to save a few bytes and a few CPU cycles.

FossilOrigin-Name: 34b8ea31877ae8b40729d37b3f51ae7e15f38be841881ea4a37c9c8f0a52896d
 2022-08-23 20:11:01 +00:00
drh
376860ba88 Performance enhancement for sqlite3DbFree(). 
FossilOrigin-Name: c296a9d958ec360fc8d217363348b4918d665bccb3c4f27503a2dcef7db49052
 2022-08-22 15:18:37 +00:00
mistachkin
e2848932a5 Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: e36217f2536d89f7a15a879fe3ead32307909c71ced42e1ae7b35f43d4744a80
 2022-08-05 05:30:07 +00:00
drh
403f00219b Small performance increase on the binding interfaces. 
FossilOrigin-Name: aab24c37fb444804fb91177b4b522909ef1bb85383444d97d82a758f919047d2
 2022-08-03 19:37:25 +00:00
drh
2b294b543f Small performance improvement to sqlite3_finalize(). 
FossilOrigin-Name: 8a6913b66cc5af354497044ccb849eb80d00d0799362475f1537a6999196895e
 2022-06-30 22:46:28 +00:00
drh
2591cfb673 Additional enhancements to comments. No changes to code. 
FossilOrigin-Name: d9a320448f5693d906adf437800675cd4773701db065f3ed238b933fb80f6681
 2022-06-22 14:25:12 +00:00
drh
1c8486301f Only invoke sqlite3VdbeClearObject() from a single location, so that the 
compiler is more likely to in-line the code.  Performance increase and
size reduction.

FossilOrigin-Name: c6947a96e61f71aa61ca3d70d9e2612d784ab04d60fa88852b03cfce86b1bf2b
 2022-04-04 01:12:11 +00:00
drh
35e9e350ca There is no need for sqlite3_step() to check for an OOM condition prior 
to starting up.

FossilOrigin-Name: 44be7f46ba89289683ed0e123169ca9adb1018de03071d66de480c910a23d074
 2022-04-01 19:13:39 +00:00
drh
a24832b7b2 Omit the Vdbe.doingRerun field for a slight size reduction and performance gain. 
FossilOrigin-Name: e93297a9d775688e6274c54ba75b19fc1fe8b29b73b9b5e7f94f3f2ca37f045f
 2022-04-01 19:04:13 +00:00
drh
17c4865b83 Refactor the Vdbe.iVdbeMagic field into Vdbe.eVdbeState. Split the RUNNING 
state into separate RUNNING and READY.  This gives a size reduction and
performance increase.

FossilOrigin-Name: 5a50a42fde9477868fad31099f5fe976437825fac44f8b3a4cf6c739c7667bbb
 2022-04-01 17:01:57 +00:00
drh
659fdb4da8 Have the sqlite3_context object carry the encoding for the prepared statement 
that it represents, so that sqlite3_result() and similar can set the encoding
according to the prepared statement, even if the database encoding has
changed.
dbsqlfuzz c409b10d0a6bccf78ab00f47e1d29d42ee5b3565

FossilOrigin-Name: d4e19314f564126e180e091f9135c7bc55a10442edb46fbd3a4cfad21201dfa6
 2022-04-01 15:31:58 +00:00
drh
99a218282c Split out the RUN state into separate READY and RUN states. 
FossilOrigin-Name: d698826b08b88e227eb83f84b3cdb19f17306b532eccfa162090abccdf3c63d8
 2022-03-31 21:15:09 +00:00