paulhorn/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
20,336 Commits 1,696 Branches 387 Tags
f012dc4eb911a68cb5531b94d91cad7922d9999d
Commit Graph

13909 Commits

Author SHA1 Message Date
drh f012dc4eb9 When computing the amount of scratch memory needed during a rebalance operation, 
assume the worst case for the number of cells per page, rather than relying
on the BtPage.nCell value, which might be incorrect for a corrupt database.

FossilOrigin-Name: a420ebd08f5a96b9e61a37cb42e1b3f346c23505630d9c33fe30ce7882959b36
 2019-03-19 15:36:46 +00:00
drh 610f11de25 Fix a typo in a comment. No changes to code. 
FossilOrigin-Name: c2f50aa4e7bad8821e91a7490283dd53e44047d10a8cfebc3e2da26c770a5218
 2019-03-18 10:30:00 +00:00
drh aadf8327be Back out the change to support Fuchsia, since it turns out fuchsia does not 
like dot-file locks.

FossilOrigin-Name: 1d801a3b2c48dc8a918d6da047bc877acf033d5f5c4e1d4b412ba7678ed6f8b3
 2019-03-15 19:08:23 +00:00
dan 1f3b284b11 Ensure that ALTER TABLE commands open statement transactions. Fix for [596d059a]. 
FossilOrigin-Name: 0f2129f59f7df929106e2af876c2976dea6528c1dc1850d64cddb256f20e121a
 2019-03-15 16:17:32 +00:00
drh a49774f478 Technical improvements to the documentation for sqlite3_bind_blob() and 
sqlite3_bind_text().  No changes to code.

FossilOrigin-Name: fb60150aeedc3898cb249c75c98a7cb48fcec090f94ded7896b634e436c7daa5
 2019-03-14 00:01:23 +00:00
drh 2e41b99ea9 Improvements to the sqlite3_db_filename() API documentation. No code changes. 
FossilOrigin-Name: 711f5ec4dc2635e3102a607510cbbe0b468d9f0af935e09d3454e6e925c8dcb2
 2019-03-13 23:51:05 +00:00
dan fcb02429ec When deserializing a database (sqlite3_deserialize()), do not attempt to parse the schema before the data is loaded. 
FossilOrigin-Name: 4e1b005e8b397a22161a6b89cbd3f17bda70a6e0a86d8abdc61856edf2a74da4
 2019-03-13 11:40:30 +00:00
drh 2a934d75d9 Detect zero-length free slots on btree pages and report that as corruption. 
FossilOrigin-Name: c4f0568fde1d4070e7522ec36c0958be7426076002a7fa2da12a46411ab2e92d
 2019-03-13 10:29:16 +00:00
dan 9e24439c2f Fix a crash that could occur if the RHS of an IN expression is a correlated sub-query that refers to the outer query from within a window frame definition only. 
FossilOrigin-Name: 0524aaaf45681437c2dca3d31ff26a65bee7bd2074730277c29136635ee0be0f
 2019-03-12 09:49:10 +00:00
drh 4b986b2a47 Patch makes balance_nonroot() slightly smaller and faster and more robust 
against corrupt databases.

FossilOrigin-Name: 174da3c32c9caebd642c31cb594597ccd5bb2a7fc501b1f49aef0b7b4765bfca
 2019-03-08 14:02:11 +00:00
drh 9a518843f5 Detect an attempt to drop a btree that is not within the bounds of the 
database file and abort early with an SQLITE_CORRUPT error, to avoid
problems later on in the process.

FossilOrigin-Name: 235a9698f5e9b3c21dc51c9c5042becfb82fc1762a7519a46b9f9fdafe9b0f13
 2019-03-08 01:52:30 +00:00
drh 39c5c4ae06 Add the sqlite3_stmt_isexplain() interface. 
FossilOrigin-Name: ee642d3e2775ba4c73627ac71d0abf7a0f7a4ab3151d88e0076e9992f4814983
 2019-03-06 14:53:27 +00:00
drh aff0fd483c Add an "|| CORRUPT_DB" term to an assert() that might be false if the database 
is corrupt.  Also add a branch to have sqlite3PagerMovepage() return
SQLITE_CORRUPT in that case.

FossilOrigin-Name: b0d5cf40bba34e459caa7480bc84a1d75496c2ab52029f4bb0a31f2d9369a8ee
 2019-03-06 14:08:41 +00:00
drh 0a31dc201e If the initial byte of a record is a large value, then always used the 
generalized record comparison routine sqlite3VdbeRecordCompare() rather than
one of the specialized versions that are optimized for shorter records.

FossilOrigin-Name: c1ac00706bae45fe9735061ada025880606cdfb8ecfdaa36b4e2d04275820861
 2019-03-05 14:39:00 +00:00
dan 4474e869fe Fix a problem preventing compilation with SQLITE_OMIT_UTF16. 
FossilOrigin-Name: 906d1fd8650874236e0bf5734d5347dcc45ec036164a56570fec37da4ffeaf8f
 2019-03-04 07:15:57 +00:00
drh e22976c535 Fix the SQLITE_DIRECT_OVERFLOW_READ compile-time option so that it works 
with SQLITE_HAS_CODEC.

FossilOrigin-Name: fd085e9260bec18f968704abb2dd324d954baa121d13b67c3f5b801e9e3834aa
 2019-03-02 15:25:24 +00:00
drh f10c535fa5 The fts3_tokenizer() function returns NULL if the 
SQLITE_DBCONFIG_ENABLE_FTS_TOKENIZER setting is disabled, which is is
by default.

FossilOrigin-Name: f5732f4caf7a37a6445c61ae0d0ac14cc9deb897376e73aa36a1ead025b92c69
 2019-03-01 21:33:29 +00:00
drh 10cc16c954 Fix a minor comment typo. No code changes. 
FossilOrigin-Name: 9a0a93c89d3fdd0f9000a9226388e2e53f299165e043913f40b83bf597bfea04
 2019-03-01 21:12:40 +00:00
drh b531aa8fd9 In a query that uses a partial index, the expression that is the WHERE clause 
of the partial index must always be true.  Use this fact to avoid evaluating
identical terms in the WHERE clause of the query.

FossilOrigin-Name: 9b2879629c34fc0a8e99d94648903eb93aabbc7a3682c80cb7382f9a9ca5ffb7
 2019-03-01 18:07:05 +00:00
drh 9cb0264041 Add the ".parameter" command to the CLI. 
FossilOrigin-Name: 1f9fa58541dc974989eee9c9a5d453956f7dbcf42965ece2db2cb5dee3f3f5e2
 2019-02-28 20:10:52 +00:00
drh c06ede105d Add the new "bind_fallback" method to the "sqlite3" object in the TCL 
interface.

FossilOrigin-Name: c7f70b6d96338dba201e005104e7f7148c1a8cd767ab05e35b44617c4c797bc5
 2019-02-28 17:29:19 +00:00
drh 45616c7f75 Add an "|| CORRUPT_DB" term to an assert() statement in the btree defragmenter. 
FossilOrigin-Name: 6bfd8655f006e031c0d4c988356c4b9206efa6bfdb034fde8ffa3361521a4844
 2019-02-28 13:21:36 +00:00
drh 8e0f794d17 Enable the LIKE optimization when the ESCAPE keyword is present and the 
PRAGMA case_sensitive_like pragma is ON.

FossilOrigin-Name: 6ae4b8c525f446ddb0e0bdd5e4e01e06e2ab975e3effa42fce6a1102b3a39830
 2019-02-27 23:05:14 +00:00
dan 89d249364e Add the "-returntype" option to the "db function" Tcl method. 
FossilOrigin-Name: 789a492b68c353e2b763d67d399722b7ab61bfe09b472466df2821f65cab1be9
 2019-02-27 16:38:19 +00:00
drh 5cb1ffc1bd Allocate a few extra bytes for the pager temp page as an overrun buffer while 
processing corrupt database files.

FossilOrigin-Name: e7aca0714bc475e04b16e9db78722ce025d2a1382f80cfc0a49cff2af904eae5
 2019-02-26 17:49:07 +00:00
drh eaac9996ed Use unsigned integers to count the number of pages in a freelist during 
an integrity_check, to avoid any possibility of a signed integer overflow.

FossilOrigin-Name: 05b87e0755638d31f6d8918f8758362f8c3981661449b5171180a8498f66bd9d
 2019-02-26 16:17:06 +00:00
drh 2b454e0335 Fix a harmless compiler warning that only comes up during debug builds. 
FossilOrigin-Name: 848869ced988ca4d0ac76d43f984360fd11997a580719cccf8d55becea4e8fb1
 2019-02-26 16:11:46 +00:00
drh 8b738d0865 Enhance the command-line shell to accept bound parameters, using the 
TEMP table named "$Parameters" to look up the values for bound parameters.

FossilOrigin-Name: 7c941ce5bcc872ec92cbe0e409fd773f44a5ab1f814e689ad57f756b911e2b96
 2019-02-25 18:43:54 +00:00
drh 7edcb11ca7 Fix a typo in the documentation for sqlite3_total_changes(). 
FossilOrigin-Name: 8474c1560e0c3a28c6a7ed360202a8e7caae3c8259f60bbfa6d2948ab7876f51
 2019-02-25 14:16:19 +00:00
drh 4bdd26dfab Remove a testcase() macro which is now unreachable due to the contraction of 
the use of IN_INDEX_ROWID.

FossilOrigin-Name: 90c5a17cd526b256753f876e575f3e731d5e8b9dd6e196cf8d8f7306e099b91c
 2019-02-23 00:08:09 +00:00
drh 50ef6716d2 Make all ephemeral tables built to hold the RHS of an IN operator be 
index-btrees, never table-btrees, regardless of whether or not they are
used as IN_INDEX_LOOP or IN_INDEX_MEMBERSHIP.  That way, the same ephmerial
table can be reused for both cases.

FossilOrigin-Name: c2d50df8fd1a1fdae6226a3e77296ded09b53a74540caedd4868e686a93cbc10
 2019-02-22 23:29:56 +00:00
drh bc0a55cf0b Check-in [fa792714ae62fa980] is not a valid fix for ticket 
[df46dfb631f75694], as the new test case in this check-in demonstrates.
The fix here causes test cases for the [df46dfb631f75694] bug to fail
again, so this check-in is on a branch.  A new fix is needed for
[df46dfb631f75694].

FossilOrigin-Name: 0d456456da6e25b20d9d27ca95f1013082bca52ee74ee9bf91732a9fa843ea45
 2019-02-22 21:33:56 +00:00
dan f030b37682 Internally, remove all references to a Window object that belongs to an expression in an ORDER BY clause if that expression is converted to an alias of a result-set expression. Fix for [4feb3159c6]. 
FossilOrigin-Name: 579b66eaa0816561c6e47ea116b46f229188f0fc84c1173bfe0d21df2dff9a9a
 2019-02-22 19:24:16 +00:00
drh 480c572f2d In sqlite3NestedParse() be sure to detect all SQLITE_NOMEM and SQLITE_TOOBIG 
errors and to distinguish between them.

FossilOrigin-Name: 73056b314bd63288c662752e9bd469b70264c38031c1c857460e64fdb1ed4e2e
 2019-02-22 16:18:12 +00:00
drh 255a81f10a Modify sqlite3_str_finish() and sqlite3VMPrintf() so that they always 
return NULL on any OOM or SQLITE_LIMIT_LENGTH error.

FossilOrigin-Name: e7144ffd21294d7aebbfa6aa5a262797a6d16de11193f1bf6b75f5f27b04c940
 2019-02-22 15:42:10 +00:00
drh dbdddc99d8 Detect oversized strings in the OP_String opcode even if the P4 argument 
is originally UTF8 and has to be converted to UTF16 to match the database
file and that conversion causes the string to become shorter and cross
below SQLITE_LIMIT_LENGTH threshold.  This might fix an OSSFuzz problem
that we have been so far unable to reproduce.

FossilOrigin-Name: c13d563925db12bc2c91ff9432050261e5bd39d960e2739777a66bf804df2e31
 2019-02-21 16:41:34 +00:00
drh 6a1bfc9a6d Changes to the unix VFS that allegedly enable it to build of Fuchsia. 
We have no way of testing this.

FossilOrigin-Name: be21a6416d47ff7db995006a0422b745044d9b8bb5bad3c53342aa6e2e524771
 2019-02-20 19:20:16 +00:00
drh 8cf92890f2 Avoid the use of function pointers in columnName(), as function pointers 
appear to be a source of consternation to LLVM.

FossilOrigin-Name: c48f6f39c5f89a338fed7153553a27a5d882d4d8db8221e911b96e0dd57c53d9
 2019-02-20 18:13:57 +00:00
drh b1af9c603c Progress handler improvements: 
(1) Invoke the callback after OP_Program opcodes
(2) Invoke the callback multiple times in a row to catch up after a
long run of no progress checks.

FossilOrigin-Name: 0c5db18d79366d9c23925ce3ed835500311f32a10aa7dbfdd09148b1e8a2507b
 2019-02-20 13:55:45 +00:00
drh 042666e4fa When an IN operator drives a query loop, mark it as "CODED" so that it 
will not be used afterwards for a (pointless) membership test.  This is
a better fix for ticket [df46dfb631f75694] than the previous fix that is
now on a branch as it preserves the full optimization of
check-in [e130319317e76119].

FossilOrigin-Name: fa792714ae62fa980f1767acc6d622a6727ceb677870243c88548423795dcb5b
 2019-02-20 12:52:47 +00:00
drh 12fe9a0d25 Fix an assert() that might not be true if the database file is corrupt. 
FossilOrigin-Name: f2d400db4dbfb05e2540178ed3662f97f8c57a95f8129886c7081c35e53adf0d
 2019-02-19 16:42:54 +00:00
drh 3cbd2b7245 New assert() to verify the TF_HasprimaryKey flag. 
FossilOrigin-Name: 0abace8a7aecca01c8677d07f3ec1bafb289ceffe5bcd60284701a7bf813f415
 2019-02-19 13:51:58 +00:00
drh 9df385ec3d Always use the symbolic name SQLITE_IDXTYPE_PRIMARYKEY rather than a hard-coded 
magic number 2.

FossilOrigin-Name: 55d43adc894a6b1e0f77bf481dad6dd604a0dc0022e72bbf2e3037f97351971e
 2019-02-19 13:08:35 +00:00
drh 56785a0a80 Fix an assert() that might be false for a corrupt database. 
FossilOrigin-Name: 0cfb888723fb8ff0763bbc23acb7d21a53f6d1c40661d8468248644281b29d85
 2019-02-16 22:45:55 +00:00
drh 9c7e44cddd Improved oversized cell detection when updating ptrmap pages in 
balance_nonroot().

FossilOrigin-Name: aa61435a4c3800f023788081c1342ad6a05a41449a424fa6c039d5ca46072256
 2019-02-14 15:27:12 +00:00
drh 82642f815b Ensure that the nProgressLimit variable is always initialized in 
sqlite3VdbeExec(), even if the routine jumps to its exit processing early.

FossilOrigin-Name: 167b91df77fff1a84791f6ab5f72239b90475475be690a838248119b6dd312f0
 2019-02-12 22:58:32 +00:00
drh c332e04310 Enhancement the progress callback mechanism so that the progress callback 
is always invoked at least once at the end of a prepared statement if the 
opcode count has been exceeded.  This makes the progress callback more
effective at limiting run times.  This check-in also includes and unrelated
performance enhancement to OP_Column.

FossilOrigin-Name: 68cce272e7f7cbc0c319ee8b7ff674d652cb1e95e903d99d848c41dff2b5d304
 2019-02-12 21:04:33 +00:00
drh 5860a61d59 Further performance improvements to btreeInitPage(). 
FossilOrigin-Name: 93ae382e97c23c90312739481e47ef7f9bc475a8382c063a2de2986c950c0aec
 2019-02-12 16:58:26 +00:00
drh 3e7800a9db Defer computing the number of bytes of free space on a btree page until that 
value is actually needed.

FossilOrigin-Name: 177f5f40eabfcfd229ac7f291dfed9e9ee35762e86923a0f356915f389da177d
 2019-02-12 01:04:49 +00:00
drh a941ff712d Change an assert() into a NEVER(), since the condition is difficult to prove 
with certainty.  Improved comment on the MemPage.nFree field.

FossilOrigin-Name: fec071b89df2cbafda365077bb54bc9999e12086f36d6cea8d125662b36638dc
 2019-02-12 00:58:10 +00:00