database/sqlite
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647 Commits

Author SHA1 Message Date
dan
9c34bc0ad5 Fix another corruption related buffer overread in the sqlite_dbdata module. 
FossilOrigin-Name: 5cd728fb6b3a70f795306d4d6e12151a4de327f801733a8558139e3cd76fe66a
 2019-05-09 15:51:27 +00:00
dan
e216ae0a3e Fix further buffer overreads triggered by passing corrupt records to the sqlite_dbdata module. 
FossilOrigin-Name: dbc6a9f7f67256dea96d3245e7bec145ba65d64adf322e18f1f3ac9556b4e0b6
 2019-05-09 15:07:46 +00:00
dan
b3e3a5bb57 Avoid reading outside a record buffer when extracting an SQL value in the sqlite_dbdata virtual table code. 
FossilOrigin-Name: d99bb0c11d62f629bf59da037827af73a9b814e65815006e0cbca1bc41f42e25
 2019-05-09 11:34:31 +00:00
dan
1b16216f9e Fix building the shell with SQLITE_OMIT_VIRTUAL_TABLE. And without SQLITE_ENABLE_DBPAGE_VTAB. 
FossilOrigin-Name: 425d708c3908fe74f69b62e6dd1722a0018088977e12f14b312dad1df0fbb804
 2019-04-27 20:15:15 +00:00
dan
42ebb01e9f Add the "--lost-and-found" option to the ".recover" command. For setting the name of the orphaned rows table. 
FossilOrigin-Name: 67bb88e24c74d02ae0c4ac6ff2f873f6b0035ccefe5cccfc71c5686cbc76b4c3
 2019-04-27 18:47:03 +00:00
dan
c0b42437ab Fix a locking-page related problem with the ".recover" command. 
FossilOrigin-Name: afdae10424f0f3d0f10a4b73e9732aa55c5ee664814d8ca0edd372cfb17c2445
 2019-04-26 15:14:53 +00:00
dan
efa363b84c Improve the performance of the .recover command. 
FossilOrigin-Name: a50768314d10d743a0cc013b434b516f0763e0a6c5b79655d8fefde7de53e869
 2019-04-24 20:48:55 +00:00
dan
b40af49d73 Enhance the ".recover" command. Fix a problem with overflow pages in dbdata.c. 
FossilOrigin-Name: f193ca587f9e4f925f4f2343b0b07053bd6f93dd87fc6f8f41cf4479e90cf562
 2019-04-22 20:52:12 +00:00
dan
68cb86ef23 Add the ".recovery" command to the shell tool. For recovering the maximum amount data from corrupt databases. Still needs work. 
FossilOrigin-Name: 7461d2e120f2149315ddac2676d51d7445bcdb8e97543effd9c30603517ef9da
 2019-04-20 20:57:28 +00:00
dan
3b412ac247 Add the sqlite_dbptr virtual table to the dbdata extension. For querying the links between b-tree pages. 
FossilOrigin-Name: 3213a15f2133afbb0a4fec3b8f6e0eeca8c0befafd6658c41074e84f589d5d32
 2019-04-18 21:14:11 +00:00
dan
f1173b69b1 Add the experimental dbdata extension. 
FossilOrigin-Name: a3ab58832935e1399ecc7e4d8daefa3a6afa6b301792ce7176bc5d7c173510fb
 2019-04-17 21:17:22 +00:00
drh
2c794b15a0 Add the blobio.c extension module implementing readblob() and writeblob(). 
Experimental.

FossilOrigin-Name: e3fde56da46e9592143b8beeee5eba4d74b8ef67edb7bf73a85edd2e0f7a8d21
 2019-03-30 17:30:50 +00:00
drh
d4a591dd6b Fix harmless compiler warnings. 
FossilOrigin-Name: a063f7c426d1ac066bf05cc03288f49b1c92e06a8cb2bc271cce9bd3022a74ea
 2019-03-26 16:21:11 +00:00
drh
e7476115ad Fix the writefile() SQL function implemented by ext/misc/fileio.c such that 
any directories created have standard umask permissions, not permissions
of the file that is to be written.

FossilOrigin-Name: f11c89595dc65f89be6df62830c8cddd3933acfd4baaecd348ecd99e71db5831
 2019-03-25 15:06:16 +00:00
mistachkin
065f3bf4f2 Fix various harmless compiler warnings seen with MSVC. 
FossilOrigin-Name: 1c0fe5b5763fe5cbace9773dcdab742e126d0bd035ab13d61f9d134afa0afc0c
 2019-03-20 05:45:03 +00:00
drh
75db74fdae Improved comments on the fossildelta.c extension. 
FossilOrigin-Name: d7d23f0450d659b2c7df34e4df8623ca7b6fe3bd19422e3e9234515214ae8510
 2019-03-02 20:09:35 +00:00
drh
8f46f34e2d Remove a redundant parameter extraction call from the percentile.c extension. 
FossilOrigin-Name: d49c32e6e7cc341b5961d2c7b7c68d1649c6542eeec201660e3f82a55aea9e3b
 2019-03-02 12:17:35 +00:00
drh
0319934322 Fix the readfile() UDF so that it returns an empty BLOB, not an OOM error, 
when reading an empty file.

FossilOrigin-Name: 0edad5339e36d69aed9289bb3e60d35f9930386d76a62bb0194c4fdf420d16fb
 2019-02-27 19:59:56 +00:00
drh
c3017e7b4a Update comments on the fossildelta extension. No changes to code. 
FossilOrigin-Name: 9da4fb59b28686630d63a79988b458726332cf06cc0e6e84d7c0a7600f5fcab0
 2019-02-25 14:52:43 +00:00
drh
2a98b586c8 Enhance the xBestIndex method on delta_parse() to return SQLITE_CONSTRAINT if 
no delta argument is supplied.

FossilOrigin-Name: f16d127c3b4a735afae1fc236bcf90f31adff079c7d3a896f901d908ff8b8532
 2019-02-19 20:29:05 +00:00
drh
2d441ce3f3 Add the delta_parse(DELTA) table-valued function to the fossildelta 
extension.

FossilOrigin-Name: d91fcc267bf1be795dfdb1fbfb40c2aea79ddff247a51d26462136c325b7a6d3
 2019-02-19 20:19:51 +00:00
drh
4bec44bdfa Add the fossildelta.c extension in ext/misc with implementations of the Fossil 
delta functions.

FossilOrigin-Name: b80cafa6f8a5c6ff1dc9efd2f670777ab131ace2df1eb431cedc8cfa901baf18
 2019-02-19 18:39:16 +00:00
drh
f9101623a3 Register the "vfsstat" virtual table immediately when loading the vfsstat.c 
extension.

FossilOrigin-Name: 9bd92afd0cb0a958441e861c7006b77027125b1ceea0868958ec948b6b3c7bc9
 2019-02-12 12:25:34 +00:00
dan
871b13492d Fix a problem preventing testfixture from being built with SQLITE_OMIT_VIRTUALTABLE. 
FossilOrigin-Name: d2cca36adc69d2c8e7707d70cbd75c497eae6a1a3f8a9dd18249ca6804c9db5f
 2019-02-06 13:41:19 +00:00
drh
d46b6f57c9 Fix a harmless compiler warning in the memtrace.c extension. 
FossilOrigin-Name: 2f468da4e9fb3edb5e902fa5d3c528726d1fb64d749d29e558ba3243c76bcb95
 2019-02-05 19:52:39 +00:00
drh
50b910a8b5 Add the --memtrace option to the CLI. 
FossilOrigin-Name: a1e12fa2a8eb5648a96cc2d8d39899d6f87c5e2269cec7de486964c8b915e724
 2019-01-21 14:55:03 +00:00
dan
9c039d9f2e Add scalar function "prefix_length()" to ext/misc/prefixes.c. 
FossilOrigin-Name: 0bf1550507d9d3c8a41f8a50db3a59bf808f0a4e24637dc0905d35579305eca7
 2019-01-14 20:44:00 +00:00
drh
4ead96348e Add the "prefixes" table-valued function in the ext/misc folder. 
FossilOrigin-Name: f0fd2163fc23a555ef03af43294a14fcabae6921f52e64c979286c745b4f6218
 2019-01-14 16:16:30 +00:00
drh
73bce66701 Use 64-bit APIs in the fileio.c extension. 
FossilOrigin-Name: b49d56a0faf012978c50fb8662125ea21bdf5054fddf5975644cbc941c153e70
 2019-01-11 23:08:56 +00:00
drh
1735f91df4 Improved detection and reporting of errors in the readfile() extension SQL 
function.

FossilOrigin-Name: d2f0b5a483869d39f5c5814c9d6df3d3b8a46d582b4dcf0cf11e23b707c4213e
 2019-01-11 17:20:25 +00:00
drh
2d77d80a65 Use 64-bit math to compute the sizes of memory allocations in extensions. 
FossilOrigin-Name: ca67f2ec0e294384c397db438605df1b47aae5f348a8de94f97286997625d169
 2019-01-08 20:02:48 +00:00
drh
20c0082371 Fix a harmless compiler warning in the CSV extension. 
FossilOrigin-Name: fbcd72565f4425016cebbbf5dfd6aa510234cfb31c785cf364f04fff444aacae
 2019-01-03 15:22:33 +00:00
drh
8625221444 Fix a problem with the CSV extension when it uses the "header" option on 
a real file.

FossilOrigin-Name: 7acaed08f946633fca3ab8434dd6349ea6f1bac4fd9ec21f476db013ee06de30
 2018-12-26 12:50:47 +00:00
drh
20b3fc4db1 Add SQLITE_CONSTRAINT support to the xBestIndex methods on dbstat, 
sqlite_dbpage, and zipfile.

FossilOrigin-Name: 5cd24e552b4fed71cfb2e37929371175682f23f1430df2900a87e6a5823d138e
 2018-11-16 20:18:07 +00:00
drh
d16f26a708 Update the explain virtual table to make use of SQLITE_CONSTRAINT. 
FossilOrigin-Name: b2d41ff7027b44ccb5dffc303c47d42f1f6fd66ce22e90450d3a666c73fe8b8e
 2018-11-16 19:19:58 +00:00
drh
43579191e8 Fix the JSON table-valued functions to make use of SQLITE_CONSTRAINT. 
FossilOrigin-Name: 3f34f4f561c77f8ec88906818f2984dcf8f17d1645bac175e9027595517560bc
 2018-11-16 16:04:50 +00:00
drh
a69262c0f2 Add an assert() to the generate_series virtual table to verify 
assumptions about the design.

FossilOrigin-Name: cd13b499a20a7d476edb8500537edef4c5151410ba0300469ebf0f7ba16964b8
 2018-11-16 15:41:27 +00:00
drh
e4f90b7075 Update the generate_series() table-valued function to make use of the new 
SQLITE_CONSTRAINT return from xBestIndex.

FossilOrigin-Name: 4372ad644dda5a1fa46b6b6070092320c835439b41f598cbc041e9deef786988
 2018-11-16 15:08:31 +00:00
drh
32dcc847b5 Enhance the xBestIndex interface of virtual table so that if the xBestIndex 
method returns SQLITE_CONSTRAINT then that particular combination of
constraints is considered unusable and does not participate further in
query planning.

FossilOrigin-Name: 684013cef6bfcfd920a4aec645df9f5d41ace8b34e75fca61759c1b4f82cc89e
 2018-11-16 13:56:15 +00:00
drh
eabbf37fae Fix comments and make magic numbers into #defines in the fsdir 
implementation.

FossilOrigin-Name: c537c9c3630ca979bdccab977275bfc11cce33ea54adb71a4bd4f46c85f65c6f
 2018-11-16 13:06:30 +00:00
dan
cbfaa076d7 Fix a problem with virtual table "fsdir" and some join queries. 
FossilOrigin-Name: 7fffcee0fc3fe8d036f0d93ec17673992c3edcf2bb454dc90d80142435b37946
 2018-11-16 08:36:15 +00:00
drh
6f147c54ef Improvements to the CSV virtual table. 
FossilOrigin-Name: 0406ecbbe75513e342040b71fdd342462222dbb3820486b5f745d7865805c00b
 2018-11-16 01:42:26 +00:00
drh
84c501bac1 Initial code to make shadow tables read-only to ordinary SQL. The now 
xShadowName method is added to the sqlite3_module object and is used
to identify potential shadow tables.  The SQLITE_PREPARE_SHADOW argument
to sqlite3_prepare_v3() is defined.  It is designed to permit writing to
shadow tables, but is currently an unused placeholder.

FossilOrigin-Name: 31942b3dd3f66eb0d9977bf1cadc2f2d7be7967cce2b55784be0b939dfef1985
 2018-11-05 23:01:45 +00:00
drh
7dd630a893 Fix an issue with the new memstat.c extension. 
FossilOrigin-Name: ce6e80b1303ed161bec2c63735cd2e2bea7b4e9b4ff780d214d408b1a30d50da
 2018-10-08 20:04:16 +00:00
drh
09b523c99b Fix a bug in the sqlite_memstat virtual table that was causing it to report 
the amount of memory used as zero bytes.

FossilOrigin-Name: 8a758a872175b0c74e631c231240c5c733fbec708d0cff23eb9c4025e4a800ec
 2018-09-28 18:51:18 +00:00
dan
0efb6f5135 Another minor tweak to memstat.c so that it may be built against older versions 
of SQLite.

FossilOrigin-Name: 4c1fed60b9b35ac2f5d2f2533b54db429d72bdbc0aad0dd5af52ff851789d4ae
 2018-09-27 17:33:06 +00:00
drh
6dd5f07d3d Modify the memstat virtual table so that it works with SQLite version 3.9.2. 
FossilOrigin-Name: 7171d8ae6b1e7c97b0cf06bcca2262674c9ce557c85666b4b77c16cbac508502
 2018-09-27 17:15:21 +00:00
drh
d7134fe0c1 Enhancements to sqlite_memstat: 
(1) Add an extra "schema" column to show the schema name for ZIPVFS stats.
(2) Only show ZIPVFS stats to schema that use ZIPVFS
(3) Put a NULL in unused columns of the output.

FossilOrigin-Name: 9351135b4331107be2f2bda7b6adbd5436381f4f9a68340e8a172b6517ec3f12
 2018-09-27 16:57:42 +00:00
drh
7c5577acdc Add initial ZIPVFS support for the "main" database to the sqlite_memstat 
virtual table.

FossilOrigin-Name: 9cd27350b0f62debfe3238c57c3ab51079699142e82c05a7ec8460a8429f55f2
 2018-09-27 15:45:03 +00:00
drh
d7fda6cfc5 Initial prototype of a eponymous virtual table that accesses sqlite3_status64() 
and sqlite3_db_status().

FossilOrigin-Name: 0b44e1f68e0c8349367e3f929d4734c3df96338ec8d6fb652565bf894e8b8343
 2018-09-27 15:21:13 +00:00