cdb60978b9
Fully initialize the Mem object for serial-type 10, in case such a
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serial-type is found in a corrupt database file.
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2018-01-13 14:28:00 +00:00
ce2fbd1b02
Add the experimental sqlite3_value_nochange() interface usable by xUpdate
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methods of virtual tables to see if a column has actually changed values.
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2018-01-12 21:00:14 +00:00
614efe2b4b
Experimental change to include changes made to the sqlite_stat1 table in
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changesets generated by the sessions module. sqlite_stat1 entries in such
changesets are ignored by legacy clients.
FossilOrigin-Name: bd46c4429693545eb16db85692fc591ac529796aa746f5f21df1ce4380619320
2018-01-12 16:44:29 +00:00
36e31c6915
Change the name of SQLITE_DBCONFIG_FULL_EQP to be SQLITE_DBCONFIG_TRIGGER_EQP
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(which we can do without breaking compatibility because the former name has
not yet appeared in an official release) and streamline its implementation.
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2017-12-21 18:23:26 +00:00
3d9c7c3a4f
Merge latest trunk changes into this branch.
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2017-11-29 16:16:29 +00:00
6cbc5074e8
Avoid creating a master journal if all or all but one of the databases in the
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transaction is a temp file.
FossilOrigin-Name: 355d1232fd7314723afaa8d6b8b73506b09cbba1113a88b10204ba89be993508
2017-11-17 08:20:10 +00:00
9d9c41e25e
Remove unnecessary NEVER() and ALWAYS() conditionals.
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FossilOrigin-Name: 1c80c75d4be2f3d44fb18bb4c07eccac2aba79b688215a741317dfc47dc7c2ce
2017-10-31 03:40:15 +00:00
85b76a284e
Fix the EXPLAIN processing so that it returns SQLITE_ERROR on an OOM, as it
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should.
FossilOrigin-Name: 4ec63ef233c9239d3d383a99c234ef6604d55a9838c16f57e56c2a120aeb63c4
2017-10-12 20:24:09 +00:00
518e3f0673
Merge latest trunk changes with this branch.
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FossilOrigin-Name: 2719cf5c5bbe8e31d18368d54d968af3878ad2e15f0666e18d7b567d7439c451
2017-10-11 20:26:07 +00:00
7fdb9a7edc
Change some internal details to bring this branch closer to the code on trunk.
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FossilOrigin-Name: 58e42cfd7d4af2279dab8dd895dca7afbdf9035445bc81bd4a7461ea24e846fc
2017-10-11 20:10:22 +00:00
4537f77a53
Revise variable declaration moved in the previous check-in so sqlite3VdbeReset() is consistent with sqlite3VdbeRewind().
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FossilOrigin-Name: 63d1b425ee6a7d2ae782b738d81d98e39342ae7fe7c4fd217a28a0bdafe4f222
2017-10-07 23:35:40 +00:00
b60424e495
Fix C99-style variable declaration issue seen with older versions of MSVC.
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FossilOrigin-Name: 14b181e862bd742555c51b87fab59d6f8f6602fe2c18dde3ef3b020779912419
2017-10-07 23:31:33 +00:00
b5c1063ab7
Fix the rendering of the P4_INTARRAY argument to the OP_IntegrityCk opcode
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in the output of EXPLAIN.
FossilOrigin-Name: adc12c83dda8ba93ca220bbff649f763058b9440968ae463621f0cb7de8889cf
2017-09-21 00:49:15 +00:00
559656196b
Simplify the sqlite3VdbeGet() routine. Smaller, faster, and easier to maintain.
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FossilOrigin-Name: 5dbb255a9377a6c2619fbac519f18caa4d8cb23257dfba0ffb9e36dd9dc16627
2017-09-16 20:58:41 +00:00
c2c6fd18dd
Simplification and performance improvement to sqlite3_reset().
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FossilOrigin-Name: b6425d0170721d803a055a958f1823c9c4be925cd93ac47562ff723daf8ce2ed
2017-09-09 22:46:56 +00:00
0f3f7664f0
Combine the OP_CreateTable and OP_CreateIndex opcodes of the bytecode engine
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into a single OP_CreateBtree opcode. This simplifies the implementation and
makes the bytecode programs clearer.
FossilOrigin-Name: eb1202b5e43f1f029ad2bdf845509e7f31361e4dc189943e5e2bd4462e2ef3f3
2017-08-18 14:34:28 +00:00
fe0cf7a18c
Avoid a test for CURTYPE_BTREE in sqlite3VdbeCursorMoveto() in order to reduce
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the size and improve the performance of OP_Column.
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2017-08-16 19:20:20 +00:00
a485ad191f
In the KeyInfo object, refactor the nField and nXField elements into
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nKeyField and nAllField, which are more useful and run a little faster.
FossilOrigin-Name: aea5990eab5e85f92df966aa641db2271c81052010ad2d80982475c4275a1284
2017-08-02 22:43:14 +00:00
6a8700b97b
Rearrange integer token values in the parser and logic in the
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resolveP2Values() routine for a small size reduction and performance increase.
FossilOrigin-Name: 1cad2926ad88b83becab1326bd189d7bac8ba6d470b36ba5d29af5c9fb016014
2017-08-02 11:04:00 +00:00
0019881e08
Faster implementation of resolveP2Values().
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FossilOrigin-Name: 82e46fe0d497f871e652a579f25e77de7ef05d56484418961a1296f65f19415e
2017-08-02 02:46:43 +00:00
e8cf1ab9aa
Fix a bug in the deterministic date/time function logic that can only appear
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with STAT3 or STAT4.
FossilOrigin-Name: 1ca707a4fb8db7aa85430413164265607ce727fc8a5afc3424b3abfb59921b39
2017-07-25 01:34:05 +00:00
6e97f8ec84
Combine the Parse.ckBase and Parse.iSelfTab fields into just Parse.iSelfTab.
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This fixes a problem with date/time functions in check-constraints. Add
some test cases for date/time functions in index expressions and check
constraints.
FossilOrigin-Name: 22eda0985ecd1f456c073e6ad735a8417f3ff1fb6aaad1640e1cec01e50c51d8
2017-07-20 13:17:08 +00:00
3e34eabcdf
Allow indexes to be created on date/time functions as long as the 'now'
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date and the 'localtime' and 'utc' modifiers are not used.
FossilOrigin-Name: 0a5e1c04d9d07bb7fd6546a9ddac1bf42b19ea19c2b79570aea6cd4226887a27
2017-07-19 19:48:40 +00:00
0c2433003d
Smaller and faster implementation for vdbeFreeOpArray() and freeP4().
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FossilOrigin-Name: 0c80593520d30958231be41fc443209eb39e0b3ee0e66308c3ef3a0f4cb8ea66
2017-07-12 20:43:23 +00:00
40cf27cb63
Enhance the sqlite3VdbeMultiLoad() interface to automatically generate the
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OP_ResultRow opcode on PRAGMA implementations, for a small reduction in the
library footprint.
FossilOrigin-Name: c46f0f076c674891e20240bad56693d891aedc43004bcf980a5d199515f23413
2017-07-07 16:00:53 +00:00
01e6d540a7
Add interfaces sqlite3_prepare_v3() and sqlite3_prepare16_v3() with the
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extra prepFlags argument. Add the SQLITE_PREPARE_PERSISTENT option as
one bit in that argument. Use the new option in FTS3, FTS5, and RTREE.
FossilOrigin-Name: 03977248e6fdaa9b35c15e5dd9bb89552f2f0a913cc31609b5af1e2347b67d38
2017-06-29 15:24:57 +00:00
00d11d400b
Add the SQLITE_STMTSTATUS_REPREPARE and SQLITE_STMTSTATUS_RUN options to
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sqlite3_stmt_status(). Use this for two new columns in the stmts virtual
table.
FossilOrigin-Name: b0b0c8f8d548ef78584ab714ab120b01c1b83fc0d8ae2fd7626b970bab9fca58
2017-06-29 12:49:18 +00:00
d0bbe4e9c2
Incorporate recent trunk changes.
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FossilOrigin-Name: 62b8269ba2ff71e2daaa86688698896badd6f6e34ab42fbf92dda7fcda73a230
2017-06-28 15:56:58 +00:00
7df7475d0d
Make sure sqlite3VdbeSetVarmask() is never invoked when QPSG is enabled.
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FossilOrigin-Name: ebcfa73e1c8ebb4fc371a6dcf77f97b6e06e405a299c66182aa4b20423d519ec
2017-06-26 14:46:05 +00:00
169dd928c5
Add the SQLITE_DBCONFIG_ENABLE_QPSG option to activate the query planner
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stability guarantee. This involves refactoring the sqlite3.flags bitvector
to carve out a free bit to use.
FossilOrigin-Name: 7076e8283ebae1b45a5d85d9538b49b6da399d38c3c6935de100f948f814f6a9
2017-06-26 13:57:49 +00:00
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
b8a1290a28
Very small performance increase in sqlite3VdbeSetNumCols().
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FossilOrigin-Name: 8885b4461044ae8ecdfe1b9aa47f4aad65efabc98e3fcd9e307a06504fab34c6
2017-05-31 11:24:13 +00:00
e70d01f143
More efficient error handling and reset in the binding mechanism.
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FossilOrigin-Name: 9a3e3b34ba6eafce2f560c13225a3673e18d696b29295b59d958e938fa593baf
2017-05-29 22:44:18 +00:00
21766c0c16
Fix a case where NULL was being passed to memcmp() following an OOM. This is
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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
31976dacf1
Merge changes from trunk.
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FossilOrigin-Name: 6e0f64ab5eafda5d9e61e00c89af3c1ea2c5aa29821da1bdbcab040957b12403
2017-05-15 17:56:48 +00:00
f7fa4e71f4
Negative N values in sqlite3_get_auxdata() and sqlite3_set_auxdata() can be
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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
e694139788
Rename fields of the internal AuxData object to make them unique and easier
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to search for.
FossilOrigin-Name: 2be9850cef6492e168243807c34af72119ffbe414027a12c4eda6c421b5b950d
2017-05-10 19:42:52 +00:00
bd72749f7d
Fix a harmless compiler warning on Windows.
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FossilOrigin-Name: 593e5dd00cdf8fbc680951d68b53b38262c61c467703f6a8eb477226cf6beedd
2017-05-03 13:05:08 +00:00
5034dc673d
Merge the latest enhancements from trunk.
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FossilOrigin-Name: a7dcf6a79f7e1c5884baee2909a4bf3174ae06d561dae87b390856e573f81b49
2017-05-02 19:45:14 +00:00
33543c237b
Minor bug fixes and performance enhancement.
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FossilOrigin-Name: b2aae559581d05e4e8caaddfbd137cb275d582e82d58872c6f42e462dc859b1c
2017-05-01 16:37:20 +00:00
e08e8d6b61
Initial implementation of an optimization that attempts to reuse the same
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materialization of a view on a self-join of the view.
FossilOrigin-Name: 478c34b9a8b5127d13024e10307aa832f160b89720c46424dd17555bd36f590d
2017-05-01 15:15:41 +00:00
280db65e2c
Add support for analyzing trigger programs to the sqlite3_expert code.
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FossilOrigin-Name: 159e8022a9d6701532b8b60e0c41154bc434c1bbdb107c8c97a78fb1140fa745
2017-04-17 17:03:08 +00:00
0415d826c0
Smaller and faster vdbeFreeOpArray()
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FossilOrigin-Name: e052436d9f54b785facd661adc648512356b831c0547aa8f347ebf4bd8ef1254
2017-04-10 20:51:21 +00:00
dbd6a7dc06
Split off sqlite3DbFreeNN() from sqlite3DbFree() and use it in cases where
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we know that the argument to be freed is never NULL.
FossilOrigin-Name: ad90e8bb5e47945607c8fb47b6ade8cfc52a9b684805cc40132629be0ecc14cc
2017-04-05 12:39:49 +00:00
96a7e28df6
Remove an unnecessary clearing of the Vdbe.iCurrentTime value.
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FossilOrigin-Name: fcd2acdd6075aa9a7a66ce254eba77485f7b2804127e109c0309173488cd4b87
2017-04-01 19:45:20 +00:00
1cb0266dcb
Begin enforcing the SQLITE_LIMIT_VDBE_OP. The documentation warned that this
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day might come.
FossilOrigin-Name: ef5914617088cbf89bfae88f63ea959a07f02dff387ddc2b43948ad99c6a97b8
2017-03-17 22:50:16 +00:00
2996796dcf
If a reprepare is needed after binding to a variable with a number larger
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than 32, set only the high-order bit of the Vdbe.expmask rather than setting
all bits. This could potentially result in fewer false-positive reprepares.
FossilOrigin-Name: 45797feefe90cb7da53256b0c42fdaa1221d0a27
2017-03-03 21:51:40 +00:00
76adb23980
Make sure the Vdbe.expmask value is set correctly in sqlite3VdbeSwap().
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This fixes a problem introduced by [a8fd7052].
FossilOrigin-Name: 29f54b899e5cf22ece98ab41c39c41d75a4b228d
2017-03-02 13:13:30 +00:00
bda4cb876c
Save a few bytes and a few cycles by setting Vdbe.expmask to zero for
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statements prepared using legacy interface sqlite3_prepare().
FossilOrigin-Name: a8fd705258643863493476f8b42ee981608a339f
2017-02-23 16:30:16 +00:00
1325adf5e9
In sqlite3VdbeHalt(), return as soon as possible if
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Vdbe.magic!=VDBE_MAGIC_RUN. This makes sqlite3_reset() slightly faster in some
cases.
FossilOrigin-Name: 80adc0cb4ed7bacc54b15ac8b5b205403939c8c4
2017-02-21 21:24:05 +00:00
drh