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11,917 Commits 1,608 Branches 185 Tags
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Commit Graph

683 Commits

Author SHA1 Message Date
drh
648e264342 Add the "defer_foreign_keys" pragma and the SQLITE_DBSTATUS_DEFERRED_FKS 
value for sqlite3_db_status().  This is a cherry-pick of a sequence of five
checkins in the sessions branch between [1d44e5d3c2] and [d39e65fe70].

FossilOrigin-Name: 527121ac3cdc96ac33ad975c227a6685a2f7e999
 2013-07-11 15:03:32 +00:00
dan
d903154e3a Replace an erroneous SQLITE_OMIT_VIRTUAL_TABLE in vdbeaux.c with SQLITE_OMIT_WAL. Also fix some test script problems. 
FossilOrigin-Name: ff8c3f7840a0a8d87453b94b9884ee26d5d92da5
 2013-07-05 16:54:30 +00:00
dan
c0537fe59b Allow read transactions to be freely opened and closed by SQL statements run from within the implementation of user-functions if the user-function is called by a SELECT statement that does not access any database tables (e.g. "SELECT user_function();"). 
FossilOrigin-Name: f308c4851726b4b75636f714466f2314f56e3ec0
 2013-06-28 19:41:43 +00:00
drh
1713afb025 Refactor the Vdbe.noIO field as Vdbe.bIsReader. The meaning is inverted. 
FossilOrigin-Name: 59f98c5c241e5a61cd5b6d0e69b55a6b44c5cafc
 2013-06-28 01:24:57 +00:00
drh
4f7d3a5f06 Refactor names of fields in the sqlite3 object: "activeVdbeCnt" becomes 
"nVdbeActive".  Related fields becomes "nVdbeRead", "nVdbeWrite", and
"nVdbeExec".

FossilOrigin-Name: 14f796963474350e7aee8d3757acd3315fe78e4f
 2013-06-27 23:54:02 +00:00
drh
9e92a47bdf Make sure that sqlite3_stmt_readonly reports false for 
PRAGMA journal_mode and PRAGMA wal_checkpoint.  Ticket [a589ec069e3].
Also keep track of whether a prepared statement does no reading or
writing.

FossilOrigin-Name: 1937fd8eec2c1da95a782d9dc63926d846b06bdc
 2013-06-27 17:40:30 +00:00
drh
f7b5496e8e Many small harmless comment changes. Removal of obsolete comments and 
fixing misspelled words.  No changes to code.

FossilOrigin-Name: a0d5cc9315dc6e9ef7dee4c3dfabf4e562d64376
 2013-05-28 12:11:54 +00:00
mistachkin
48864df97d Many spelling fixes in comments. No changes to code. 
FossilOrigin-Name: 6f6e2d50941e444ebc83604daddcc034137a05b7
 2013-03-21 21:20:32 +00:00
drh
d91c1a1768 Add extended error codes for constraint errors. 
FossilOrigin-Name: 5461104668a49529577f21df97f6a0e7d8f0c679
 2013-02-09 13:58:25 +00:00
drh
e096205a7f New debugging pragmas: PRAGMA vdbe_debug=ON is short-hand for the sql_trace, 
vdbe_listing, and vdbe_trace pragmas.  PRAGMA vdbe_debug enables tracing of
sqlite3VdbeAddOp() calls.  None of this is active unless compiled with
SQLITE_DEBUG.

FossilOrigin-Name: ae565ff3e0836b0cb45cc0ba7f27fa8cb2d21d77
 2013-01-29 19:14:31 +00:00
drh
d2a5623866 Issue an error message and quit (rather than overflowing a reference counter) 
if the number of references to a table exceeds the maximum due to nested
UNION views.  Fix for ticket [d58ccbb3f1].

FossilOrigin-Name: c2462a95ed8e1e69886681400d673207d906bf1b
 2013-01-28 19:00:20 +00:00
drh
25fe97ae88 Fix a double-free() call that can occur 
when SQLITE_ENABLE_TREE_EXPLAIN is defined.

FossilOrigin-Name: 5bfb5967d70433bf41d39b57506b7ec167a1b6a0
 2013-01-23 18:44:22 +00:00
drh
261d8a51e2 Adjustments to the collating-sequence refactoring to facilitate full-coverage 
testing and to fix some minor issues found by TH3.

FossilOrigin-Name: cdbfa664839a409589ec7cebfc9111235d2f3b38
 2012-12-08 21:36:26 +00:00
drh
7f5febc729 Make sure memory is freed using a routine that is compatible with the 
routine used to allocate the memory.  The SQLITE_MEMDEBUG compile-time
option enforces this.

FossilOrigin-Name: 9f6c68856b694373b7ffb124abd996e519ba5921
 2012-12-05 14:31:13 +00:00
drh
fc5e546641 Make sure that the optimization that set the maximum column that will be used 
on a particular query does not mistakenly change an opcode other than
OP_OpenRead or OP_OpenWrite.  In particular, make sure it does not overwrite
the P4 field of an OP_SorterOpen.

FossilOrigin-Name: b0c1ba655d69c0c46c16ea2aef4e6c9a3e6ce3fb
 2012-12-03 17:04:40 +00:00
dan
ac45593931 Add an option to register global hooks used for logging all SQL executed by an application. 
FossilOrigin-Name: cd501bbccf3e62b002317592cc331770b32c129a
 2012-11-26 19:50:41 +00:00
drh
cb103b9274 Make sure all virtual table cursors have been closed on a prepared statement 
prior to unlinking the perpared statement from its database connection.

FossilOrigin-Name: f7c5abe8739090db0738d2c7002a0d71f76c927e
 2012-10-26 00:11:23 +00:00
dan
6b9bb59f82 Fix a problem in shared-cache mode where a COMMIT statement might cause a busy-handler belonging to a shared-cache connection other than the current writer to be invoked. 
FossilOrigin-Name: e0c889d66ccf4af12cc77ac38c1e6477da63ac72
 2012-10-05 19:43:02 +00:00
drh
e1a022e48b Make sure the KeyInfo.aSortOrder array is always allocated so that we never 
have to test for KeyInfo.aSortOrder==0 in performance-critical loops.

FossilOrigin-Name: 45793f0b844fee7445bc9269b403f89a58f77150
 2012-09-17 17:16:53 +00:00
drh
56690b3d49 Performance enhancement in the sqlite3VdbeSerialType() routine. 
FossilOrigin-Name: ad298f52efd0ff123a1a4d6a0fa16fbd4c6b6dad
 2012-09-17 15:36:31 +00:00
mistachkin
d5578433ff Fix all known instances of 'repeated the' style typos in comments. No changes to code. 
FossilOrigin-Name: 9b19b847533f944f289d93dcdba29c0d67bf251c
 2012-08-25 10:01:29 +00:00
drh
4245c405ea The sqlite3_close() interface returns SQLITE_OK even if there are outstanding 
sqlite3_stmt and sqlite3_backup objects.  The connection becomes a zombie.
Resource deallocation is deferred until the last sqlite3_stmt or 
sqlite3_backup object closes.  This is intended to help SQLite play nicer
with garbage collectors.

FossilOrigin-Name: e276a02b7f54e804caa553dca99023416a415e1c
 2012-06-02 14:32:21 +00:00
dan
2b9ee77fd6 Fix a bug in the EXPLAIN code for listing trigger programs that was causing an out-of-bounds read. 
FossilOrigin-Name: c9342ca58105499a5eb61c3e6d016559b6072c95
 2012-03-31 09:59:44 +00:00
drh
21021a5cbf Add the new SQLITE_ABORT_ROLLBACK extended error code to be returned for 
statements that are cancelled due to a rollback.

FossilOrigin-Name: 549f4fd00d8325c10099b100e5202b77ee1d83ad
 2012-02-13 17:01:51 +00:00
drh
0f198a7409 Change the ROLLBACK command so that pending statements to not block it. The 
pending statements instead return SQLITE_ABORT upon next access.  Note: This
causes separate shared-cache connections in read_uncommitted mode to abort as
well.

FossilOrigin-Name: 9b66c79e054c8a109d1ee8d35fed1c42814c330d
 2012-02-13 16:43:16 +00:00
drh
c35f3d5027 Very small performance enhancement and reduction in size of the sqlite3_stmt 
object.

FossilOrigin-Name: a38d57a4e5d79a0baefdf776e0e2d61423681a4f
 2012-02-01 19:03:38 +00:00
drh
4d0d91666c Only invalidate the schema when the OP_ParseSchema opcode fails, not 
on any general failure of a vdbe program.

FossilOrigin-Name: 11f68d997da4aadf3f51c12c5139f3fdda8678bf
 2012-01-25 20:43:22 +00:00
drh
e4c88c0c38 Fix typos and comments and make minor changes to a few function names, 
as suggested by readership.

FossilOrigin-Name: e9d05cbb7676cbda83f1b3b71447404d7edde898
 2012-01-04 12:57:45 +00:00
drh
52bcde0e2d Make sure filenames passed into sqlite3OsOpen() always have the extra 
zero-terminators needed by sqlite3_uri_parameter().

FossilOrigin-Name: d73e93cfdc9441ade77b796dcdcf6eeb753cb398
 2012-01-03 14:50:45 +00:00
drh
20e226d979 Tweaks to improve testability. 
FossilOrigin-Name: e3a929e43180f41095cc2cd00c6b0781856a4474
 2012-01-01 13:58:53 +00:00
drh
84968c051d Improved logging of master-journal name conflicts. 
FossilOrigin-Name: b1005ef46cc2b46dd8e448ae1a9a9508bd5666ab
 2011-12-16 15:11:39 +00:00
drh
b654ee20fe Merge the nx-devkit changes into trunk. 
FossilOrigin-Name: cf3bccc2e944cd2dd3efb8554682994a06115f16
 2011-12-16 13:42:03 +00:00
drh
38deeb9763 Call sqlite3_log() with an appropriate message if unable to find a unique 
master-journal filename.

FossilOrigin-Name: e9177f7d4ec19f0841d0613990d2fb5725700ba1
 2011-12-16 01:30:15 +00:00
drh
5c531a4aab A better solution to being unable to find a unique master-journal filename: 
just delete an existing master-journal and reuse it.

FossilOrigin-Name: 2685c2b949061f18bf6a4940eac8c8148873abb6
 2011-12-16 01:21:31 +00:00
drh
f580860f51 Make sure the antipenultimate character of master-journal filenames is a "9" 
in order to avoid collisions with other files in 8+3 filename mode.  Also,
limit the number of attempts at finding a unique master-journal filename.

FossilOrigin-Name: 34a0483605d36e6cf03065ed0df33fb1f7c8a272
 2011-12-16 00:33:04 +00:00
drh
678a9aa7bd Import the experimental parse-tree explainer, with fixes, from the 
tree-explain branch.

FossilOrigin-Name: bcbc7152d49107afa926c8950360c61a6cf3d244
 2011-12-10 15:55:01 +00:00
drh
a5eec8c8c3 Merge the latest trunk changes into tree-explain branch. 
FossilOrigin-Name: 1a360da0f8314f232c224c71829646bc7558892b
 2011-12-10 14:44:31 +00:00
drh
6e856bc0cc Change the VDBE so that all registers are initialized to "Invalid" instead of 
NULL and report errors on any attempted read of an Invalid register.  This
will help prevent future bugs similar to [7bbfb7d442].

FossilOrigin-Name: 0064bab77149768640d7758a3e271d5a1d63b256
 2011-12-09 18:06:44 +00:00
drh
6113450857 Remove an unnecessary condition. 
FossilOrigin-Name: d9ba023c608bce7768bc08478f9df9243f2e73ce
 2011-12-09 17:51:30 +00:00
drh
7fd3c07465 Remove an unnecessary initialization of Vdbe.aOnceFlag. 
FossilOrigin-Name: 421714dad32f3460fa40a7f65e9fa276f5e37f58
 2011-12-09 17:38:23 +00:00
drh
b8475df809 Make no assumptions about the initial state of VDBE registers. 
FossilOrigin-Name: 521d72bdf67b4b1972331307345a18c231a6e1d6
 2011-12-09 16:21:19 +00:00
dan
1d8cb21fdb Modify the OP_Once opcode so that it works correctly in trigger sub-programs. This is a candidate fix for [7bbfb7d442]. 
FossilOrigin-Name: 557c69055a300b4082830b5f4803091dca1c3140
 2011-12-09 13:24:16 +00:00
drh
7e02e5e6b5 Begin adding the data-structure explaining subsystem. All is contained within 
FossilOrigin-Name: 79ae51c5b1b20ed0a425a87e65a32a096a80b7e1
 2011-12-06 19:44:51 +00:00
drh
8f10acdb5b Remove code made obsolete by the changes to index processing that allow 
range search on the rowid.

FossilOrigin-Name: a5418c7fc216a30abf7b2fa8c579aee586393a91
 2011-11-16 16:23:15 +00:00
dan
6f13323118 Fix an invalid assert() statement added by [3b58f5f066]. 
FossilOrigin-Name: 888b09dd8fc0a31b69852a2c10eebb5f31fe35de
 2011-11-16 15:41:29 +00:00
dan
0c733f67d8 Where possible, take advantage of the rowid at the end of index records to optimize range constraints (<, >, <=, >=) on the rowid column. 
FossilOrigin-Name: 3b58f5f06648205a47e5cace0201269c406e476a
 2011-11-16 15:27:09 +00:00
drh
81bdd6db54 Avoid reporting a NOMEM error if a memory allocation fails while copying 
the error message from a prepared statement into the database connection.

FossilOrigin-Name: dcb78793474e533c3e4f5c6389ba3c997f062eee
 2011-10-29 01:33:24 +00:00
dan
029ead645d If an error occurs within sqlite3_step() on a statement prepared using sqlite3_prepare_v2(), transfer both the error code and error message to the database handle before sqlite3_step() returns (so that they are available via sqlite3_errcode() and sqlite3_errmsg(). Prior to this commit, only the error code was transfered. The error message was not available until after either sqlite3_reset() or sqlite3_finalize() had been called on the statement handle. 
FossilOrigin-Name: 8f88cc4e616b4b30ed349f89e148f782da5cb6c4
 2011-10-27 15:19:58 +00:00
drh
b07028f71c Add assert() statements and eliminate needless variable assignments in order 
to get the clang scan-build utility to report zero problems against the
SQLite core.  Clang's static analysis did find one real problem - but it was
in the command-line shell, not in the SQLite core.

FossilOrigin-Name: 60fee9574b0125705787e33c16f116cf188c8323
 2011-10-14 21:49:18 +00:00
drh
9734e6e1f4 Make sure sqlite3_data_count() behaves as documented, even for 
EXPLAIN QUERY PLAN queries.

FossilOrigin-Name: d4f95b3b6e9f4a4072606af5daa17ea7c645382e
 2011-10-07 18:24:25 +00:00