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23,156 Commits 1,606 Branches 184 Tags
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Commit Graph

1192 Commits

Author SHA1 Message Date
drh
076e85f59c Add the sqlite3VdbeLoadString() and sqlite3VdbeMultiLoad() routines to help 
with code generation, especially on PRAGMAs.  Rename sqlite3VdbeAddGoto()
to just sqlite3VdbeGoto().

FossilOrigin-Name: 847387ec8e6fef283899578fb232b2c23b00ee5b
 2015-09-03 13:46:12 +00:00
drh
7cc023c7fa Factor out and simplify code in pragma.c for pragmas that return a single 
row with a single column that is an integer or text value.

FossilOrigin-Name: d7f4bdf594e93c848f46901637861c8eed4c34df
 2015-09-03 04:28:25 +00:00
drh
0ff287fb01 Add and use the sqlite3VdbeChangeOpcode() routine. Simplify the implementation 
of the other sqlite3VdbeChange*() routines.

FossilOrigin-Name: 0a5b00e493efae58252f9fc7bde5a469645942d5
 2015-09-02 18:40:33 +00:00
drh
2991ba050b Add the sqlite3VdbeAddGoto(v,i) routine as a shorthand for 
sqlite3VdbeAddOp2(v,OP_Goto,0,i).

FossilOrigin-Name: be78f413df1b0d874b44a866ef6bf17543d7e8a2
 2015-09-02 18:19:00 +00:00
drh
ef41dfe5b1 Change sqlite3_sql() so that it always returns the SQL text of the prepared 
statement, if the text is available, even if the the prepared statement was
generated using sqlite3_prepare() instead of sqlite3_prepare_v2().  Also
include some minor comment fixes and code simplifications.

FossilOrigin-Name: 2f5472cfda6c72e75b9cf7b7481612465c1a5e6a
 2015-09-02 17:55:12 +00:00
drh
89a10b2d53 Merge recent trunk enhancements, include table-valued functions. 
FossilOrigin-Name: e9196d566690de0e9815f8cd85be7844322b5a79
 2015-08-20 23:54:25 +00:00
drh
c1bd84124b Merge recent enhancements from trunk, including table-valued expressions. 
FossilOrigin-Name: b9927c876c1d4e146cb6a603d82cd2489594084d
 2015-08-20 23:45:59 +00:00
drh
d5a74c8e19 Minor fix to the display of oversized KeyInfo structures in the P4 operand 
of Open opcodes in EXPLAIN output.

FossilOrigin-Name: f65a9b4ab2c6f0b7028e16e2a0f83fd6d58ae1cd
 2015-08-15 16:32:50 +00:00
drh
a67a31624d Change the display of the P4 operand of CursorHint in EXPLAIN output to 
function notation.

FossilOrigin-Name: bee73d429cb0e99b43fb191ac15e298d0353b135
 2015-08-15 00:51:23 +00:00
drh
2f2b02785a Fix the cursor hint mechanism so that it does the right thing for indexed 
lookups.

FossilOrigin-Name: 581e3d4988e98975fea5daaeb9f854c54a4976b7
 2015-08-14 18:50:04 +00:00
drh
fe66352d17 Fix the CursorHint so that it includes the scan boundary constraints. 
On the expression text for the CursorHint opcode, show rowid correctly.

FossilOrigin-Name: f0d428d13a787251c2ca7685fec2a91b550eefba
 2015-08-14 01:03:21 +00:00
drh
f7e369070e Convert the hint expression of the CursorHint opcode into a string for 
display by EXPLAIN.

FossilOrigin-Name: 206884718782331a7aaacc2c811e4e9d2effae91
 2015-08-13 21:32:41 +00:00
drh
bec2476afc Merge in all the trunk changes from the previous year. This breaks the 
cursor-hint mechanism, but provides a baseline for trouble-shooting.

FossilOrigin-Name: 82a7a61bc0883b1e7432548e4890791717aa1bb3
 2015-08-13 20:07:13 +00:00
drh
38151adfe2 Merge trunk changes, including the addition of FTS5 and pcache1 performance 
enhancements.

FossilOrigin-Name: db4cbefb8674c6cfff27c1e918741de1885c845c
 2015-07-14 15:39:22 +00:00
drh
4698136594 Early detection of file corruption in a debugging routine, before the invalid 
data can cause problems.

FossilOrigin-Name: b27a47fef995f0ab2516e6ca779711cab1f50fb9
 2015-07-08 12:25:38 +00:00
drh
59b4bd4840 Merge all the latest enhancements from trunk. This merge include FTS5 
and a number of notable performance enhancements.

FossilOrigin-Name: 39936b33b0668aad81aa574d4d74c92b0ddd218a
 2015-06-30 16:29:59 +00:00
drh
c5ef7151b0 Avoid unnecessary calls to sqlite3VdbeSerialTypeLen() for integer 
serial types, for a small size reduction and a speed increase.

FossilOrigin-Name: 9cd30d33b1d02dc8c55c1d74bdbcefab63ebf2a7
 2015-06-28 02:58:51 +00:00
drh
e2d9e7cfd0 Further optimization of SQL function dispatch. Improvements to opcode 
documentation.

FossilOrigin-Name: eaddbf296aee98ffca82adade1b0d2fbefd09d7b
 2015-06-26 18:47:53 +00:00
drh
9c7c913cd6 Cache the sqlite3_context structure in the P4 operand of VDBE programs 
for faster SQL function dispatch.

FossilOrigin-Name: 2abc44eb3b9d489321baa50bc25e17dafbda3687
 2015-06-26 18:16:52 +00:00
drh
5600329bc0 Merge all recent enhancements and fixes from trunk. 
FossilOrigin-Name: 199bfb67fdf642cca6cd5d460fa4dc602b94837a
 2015-06-17 18:18:51 +00:00
drh
f1aabd6b78 Optimizations to two VDBE accessory routines for a 0.2% performance increase. 
FossilOrigin-Name: 66d033b9c9a8c16b9a342be0b325bd85b8487c03
 2015-06-17 01:31:28 +00:00
drh
0dd5cdaea5 Ensure that the CREATE TABLE AS statement correctly undoes partial changes 
to the sqlite_master table if the SELECT on the right-hand side aborts with
an error.  Fix for ticket [873cae2b6e25b]

FossilOrigin-Name: 400e025e7c61efab71b891743c07a0862e5bb934
 2015-06-16 16:39:01 +00:00
drh
97bae794c2 Add a new opcode to the VDBE that gives the b-tree a hint about the set 
of columns in a table or index that are actually used by the query.

FossilOrigin-Name: f167bba446b78dd7538d0b2bae3e6678f3b1ba28
 2015-06-05 15:59:57 +00:00
drh
ad2c1dd782 Import recent enhancements from trunk. 
FossilOrigin-Name: 54bec164ebeaf62d783352b3c4d0de8845394091
 2015-05-29 19:04:58 +00:00
dan
b95e1193d5 Avoid a buffer overread when comparing against a corrupt record that spans at least one overflow page. 
FossilOrigin-Name: 62a5b3633a086694ef0e579a0a82322cb1ae3d60
 2015-05-26 20:31:20 +00:00
dan
cc7aa1f6f3 Avoid branching on an uninitalized variable when comparing SQL values with the undefined serial types 10 and 11 (which only appear in corrupt databases). 
FossilOrigin-Name: b4a45d3b78fede2433ac18f20b1ab7bddee77059
 2015-05-26 20:07:32 +00:00
drh
adf3bf5811 Merge recent trunk changes, include the R-Tree enhancement that allows 
8-byte BLOB arguments to geometry functions, and the fix for the TEXT affinity
problem that could cause corrupt indexes.

FossilOrigin-Name: 0a0de8b72ca24f287f9c84766a14e12ea4564b59
 2015-05-19 22:42:23 +00:00
drh
22c17b8bf5 Simplifications to error message processing. Fix a possible problem in error 
message formatting when vacuuming a database with a corrupt schema.

FossilOrigin-Name: 56ef98a04765c34c1c2f3ed7a6f03a732f3b886e
 2015-05-15 04:13:15 +00:00
drh
850b0d031d Merge all recent trunk enhancements and fixes into the sessions branch. 
FossilOrigin-Name: b8ef1cdee307441e8d97b4bfc21f8547692eea9f
 2015-04-20 01:32:53 +00:00
drh
ab4e7f3337 Make sure all cursors are closed when returning from a VDBE subprogram that 
implements a foreign-key construct.

FossilOrigin-Name: d04d354d8e423961c3091b6ebcfbbbf10d3ecb04
 2015-04-16 18:11:50 +00:00
drh
df3c171881 Merge all recent trunk enhancements into the sessions branch. 
FossilOrigin-Name: 5f14f34f072921e229bc20a5185c0cdb3f464c04
 2015-04-12 01:33:37 +00:00
dan
7004f3f6a3 Improve performance of multi-field sorts where the first field has a low cardinality. 
FossilOrigin-Name: 601e7b6b8e6bfabda03b70f75094c9014e3a3c49
 2015-03-30 12:06:26 +00:00
drh
edea911945 Merge all recent trunk enhancements into the sessions branch. 
FossilOrigin-Name: 54aaa6f29ad1bf84148c2403eed77e8311f68d66
 2015-03-24 19:02:13 +00:00
drh
466fd815fb Simplify the EXPLAIN output of virtual table P4 parameters to only show the 
pointer to the sqlite3_vtab object and omit the sqlite3_module object.

FossilOrigin-Name: 85610bbbc60cb4a6ec856123447fdb2ba948e52f
 2015-03-24 14:57:02 +00:00
drh
f496a7dc81 More defenses against virtual table being deleted out from under a running 
statement.

FossilOrigin-Name: 116c99823022c017946b6088878a2d46759deb6e
 2015-03-24 14:05:50 +00:00
drh
a68d628291 Prevent a virtual table from being destroyed while it is in use. 
FossilOrigin-Name: fba674c083286dabb37fed9357b67593b56ed3a5
 2015-03-24 13:32:53 +00:00
drh
086723a4a8 Replace the Vdbe.inVtabMethod field with the sqlite3.nVDestroy counter. 
FossilOrigin-Name: 9faefb96272967e731e83ef516a8c1e1b876391b
 2015-03-24 12:51:52 +00:00
drh
099006de44 Merge all recent trunk enhancements into the sessions branch. 
FossilOrigin-Name: 1d1c57c3566d86cd44f146688b620131b3b57e52
 2015-03-17 18:54:10 +00:00
drh
75a4d7c3da When deleting the master journal to commit a multi-database transaction, do 
not sync the directory if PRAGMA synchronous=OFF for all participating
database files.

FossilOrigin-Name: 018d7671402a0f8103d1306641655b69f9fa235d
 2015-03-16 16:44:55 +00:00
drh
1ee4a2dd88 Merge all the latest enhancements from trunk. 
FossilOrigin-Name: ae7eef117f28a5dae7a05805f2d31ac532a9fcc5
 2015-02-06 15:40:32 +00:00
mistachkin
1b3ee49225 Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: 78c2e62bb4c529595aaaf2e1f5f26387ad977b1b
 2015-01-21 00:51:08 +00:00
drh
1af3c64d03 Fix the assert() of the previous check-in so that it works even when 
compiled without SQLITE_DEBUG.

FossilOrigin-Name: 38868f845e1ad4d61354ab1ad39dd19e3e07c7fd
 2015-01-19 20:57:19 +00:00
drh
e1bb802c54 An alternative way of implementing the assert() that verifies the relative 
values of KeyInfo.nField+KeyInfo.nXField and the number of columns in a record.
This version of the assert() only fires when the high-speed comparison
routines are used - which is to say it only fires when the constraint
actually matters.

FossilOrigin-Name: bf744b4908b096f301565f6a4ea8d56667c1d76a
 2015-01-19 19:48:52 +00:00
drh
e465ac29cd Merge the PRAGMA data_version command and the enhancements to FK query planning 
from trunk into the sessions branch.

FossilOrigin-Name: d4f82af0a4a9db222e3405cff05c41157e7bd5d9
 2014-12-20 14:58:32 +00:00
dan
0466883300 Experimental opimizations to speed up FK constraint CASCADE and SET NULL action processing. 
FossilOrigin-Name: 35a20a5f22245c70faa51965951e8cc011defa93
 2014-12-16 20:13:30 +00:00
drh
6e09b16852 Merge all recent fixes and enhancements from trunk into sessions. 
FossilOrigin-Name: 2617d93713d9f4cf907ab2e7baef6a0f74f7198e
 2014-12-02 16:31:01 +00:00
drh
9b5444af6c Work around overzealous NULL pointer checking in memcpy() and memset() for 
some systems.

FossilOrigin-Name: 0d04f380e1bd17104b3cf76b64d0cfc79a726606
 2014-12-02 13:46:53 +00:00
drh
1b40e63f9b Fix the encoding of some integers to use the minimum amount of space: 
-128, -32768, -8388608, -217483648, and -140737488355328.

FossilOrigin-Name: 2d7c8da5f16e64eaa7b0c2d66898682ea3d102a0
 2014-11-20 02:58:10 +00:00
drh
654858d7f4 Add some requirements marks to the record formatting logic. Comment changes 
only - the code is unaltered.

FossilOrigin-Name: 9a9627e178a67bbfc85366aaea900e674d22fb53
 2014-11-20 02:18:14 +00:00
drh
04e8a58669 Merge recent trunk enhancements, including the read-after-ROLLBACK change 
and the addition of sqlite3_stmt_scanstatus() support, as well as various
minor bug fixes.

FossilOrigin-Name: f09055f3c4348264c7336f90646375f0d98b061e
 2014-11-18 21:20:57 +00:00