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348 Commits

Author SHA1 Message Date
dan
d72219da43 Fix a typo preventing this from building with SQLITE_ENABLE_STMT_SCANSTATUS defined. 
FossilOrigin-Name: 4c5714ab3dba19513374c7b1478221a0b90b450c
 2014-11-03 16:39:37 +00:00
drh
d1a1c23423 Refactor the interface to make it more easily extensible. 
FossilOrigin-Name: 7955342da4a35b57e4ae26690b8d40f7bba20e8f
 2014-11-03 16:35:55 +00:00
dan
037b5324bd Remove unused variable from struct WhereInfo. Add some explanatory comments to new code. 
FossilOrigin-Name: f5313e0c680d9baebefb1cf50ddadedd4418a334
 2014-11-03 11:25:32 +00:00
dan
6f9702ed4d If SQLITE_ENABLE_STMT_SCANSTATUS is defined, record the number of times each VDBE opcode is executed. Derive the values returned by sqlite3_stmt_scanstatus() from these records on demand. 
FossilOrigin-Name: 9ea37422a8cc2fce51bb10508e5e90f40fd4b511
 2014-11-01 20:38:06 +00:00
dan
04489b6dce Add the experimental sqlite3_stmt_scanstatus() API. 
FossilOrigin-Name: 6a9bab34aeb6a01b612211a28c140de60a3e883c
 2014-10-31 20:11:32 +00:00
drh
ca3e10ea37 Merge recent trunk enhancements, and in particular the improvements to 
the b-tree balancing logic, into the sessions branch.

FossilOrigin-Name: 28b044a51215a3f64dafb2cf3b6cb7d2029580ef
 2014-10-31 14:53:32 +00:00
drh
9ca95730e3 Add the SQLITE_ENABLE_API_ARMOR compile-time option. This is a work in 
progress and is not yet completely functional.

FossilOrigin-Name: c297a84bc678f81ffc0aa9139ab73f0ca87c1971
 2014-10-24 00:35:58 +00:00
drh
78aad7cd1d Merge all recent trunk changes. 
FossilOrigin-Name: abfef254721ca29b653f24bfe80e88adaa92dc6c
 2014-10-10 12:56:35 +00:00
drh
79f7af9a9e Add requirements marks on the sqlite3_db_status() interface implementation. 
Fix a typo in the documentation.  Fix the new sqlite3_result_text64() routine
so that it works correctly with an encoding parameter of SQLITE_UTF16.

FossilOrigin-Name: d2fc322728331ae2d147c8496129df5e3c655eb5
 2014-10-03 16:00:51 +00:00
drh
6b011d83b4 Merge all recent trunk changes into the sessions branch. 
FossilOrigin-Name: 6406b77f2c447751a2fbb16f01c61cdcfd6af59e
 2014-09-21 22:49:20 +00:00
drh
322f2852f2 Add the sqlite3VdbeMemClearAndResize() interface to be used in place of 
sqlite3VdbeMemGrow().

FossilOrigin-Name: 5b9b8987797abf7c68d2c3154f6657be9b8b1c8f
 2014-09-19 00:43:39 +00:00
drh
17bcb10299 Add the Mem.szMalloc element to the Mem object and use it to keep track of 
the size of the Mem.zMalloc allocation.

FossilOrigin-Name: 9c09ac353df6041808cace41880f4729ee73f5e1
 2014-09-18 21:25:33 +00:00
drh
74eaba4de2 Merge the Mem.r value into the MemValue union as Mem.u.r. Hence, a Mem can 
now store an integer or a real but not both at the same time.  Strings are
still stored in a separate element Mem.z, for now.

FossilOrigin-Name: 4c8c89d7e62aecfe2eb735f7bb114aed6b452847
 2014-09-18 17:52:15 +00:00
drh
3329a63ac5 Fix compiler warnings and change the nullMem structure initializer into a 
format that MSVC can understand.

FossilOrigin-Name: 163bfae8583b2d3002a3a43d6bf8a66fefd73acb
 2014-09-18 01:21:43 +00:00
drh
0725cabe3a Improved interface to the Mem object handling. Small size reduction and 
performance increase.

FossilOrigin-Name: 4e437844322cc20eef92928b53fa6b37eded586e
 2014-09-17 14:52:46 +00:00
drh
035e563bf6 Reorder the elements of the Mem object for a small size reduction and 
performance improvement.

FossilOrigin-Name: 0be3019ed794c10de67dfd645ceea7d45815bc4b
 2014-09-16 14:16:31 +00:00
drh
fc59a954cb Fix an issue with sqlite3_bind_text64() with the SQLITE_UTF16 encoding 
parameter.  Remove some unreachable code from the text64() and blob64()
implementation.

FossilOrigin-Name: 34292b084ef48cd6e9ca5704f6b072a29733b4c2
 2014-09-11 23:34:55 +00:00
drh
bbf483f855 Change the name of the _texte64() interfaces to just _test64(), without the "e". 
FossilOrigin-Name: 6ab76c5fedfe568b0f0f34a600f9135bf6558148
 2014-09-09 20:30:24 +00:00
drh
da4ca9d19c Add new APIs that take 64-bit length parameters: 
sqlite3_malloc64(),
sqlite3_realloc64(),
sqlite3_bind_blob64(),
sqlite3_bind_texte64(),
sqlite3_result_blob64(),
and sqlite3_result_texte64().
Internal memory allocation routines also now use 64-bit unsigned length
parameters for safety.
Also add the sqlite3_msize() interface.
Fix the sqlite3_get_table() to use sqlite3_realloc64() to avoid a
integer overflow problem.

FossilOrigin-Name: 94954850cf2e1ec0b7f590c7f46cdc54c72558ce
 2014-09-09 17:27:35 +00:00
drh
a4a8a3c22e Merge support for large files on Android from trunk. 
FossilOrigin-Name: c2885c6bb24cc55178467e57e77bf71df58b3b13
 2014-09-08 15:04:24 +00:00
peter.d.reid
60ec914c74 Fix typos in comments. No code changes. 
FossilOrigin-Name: e62aab5e9290503869e1f4d5e0fefd2b4dee0a69
 2014-09-06 16:39:46 +00:00
drh
bf9ed6f9af Merge the latest trunk changes, including the multi-threaded sorter, into 
the sessions branch.

FossilOrigin-Name: d4cce2c71e64ab7b6a65a81b88b69445ed859351
 2014-09-02 15:49:47 +00:00
drh
9bd038f12e In the sqlite3_context object, keep a pointer to the result value rather 
than storing the result value in the sqlite3_context object and using
memcpy() to move the value back into its register
after the function returns.  This runs faster and saves over 500 bytes
of code space.

FossilOrigin-Name: 6c1ee3e388eb110de815270467b1e50592c0ba6c
 2014-08-27 14:14:06 +00:00
drh
e1ed0b0e17 Merge recent performance enhancements and the CAST operator enhancements 
into the sessions branch.

FossilOrigin-Name: 08ae974ac80fabe53f515bbbd93ccf55de8ee671
 2014-08-26 02:15:07 +00:00
drh
9de4a17185 Make the implementation of the sqlite3_aggregate_context() interface faster 
for second an subsequent invocations.  This helps all aggregate functions to
perform better.

FossilOrigin-Name: 802148f3110462eac939d53ce08eb9a2f6aac739
 2014-08-23 18:17:19 +00:00
drh
13f40da31d Split the sqlite3Error() routine into sqlite3Error() and 
sqlite3ErrorWithMsg(), for a slight size reduction and performance increase.

FossilOrigin-Name: cf561d1f0bb60b3d638632d20bd686dda4fa4a04
 2014-08-22 18:00:11 +00:00
drh
2571e4eddd Merge all recent trunk changes, especially the fix for 
ticket [369d57fb8e5ccdff06f1], but also the skip-scan improvement and
performance improvements in the b-tree code.

FossilOrigin-Name: 0b9e2c3269695713b538561d999c68097db70f0c
 2014-08-21 16:09:36 +00:00
drh
5f58ae75c9 A better fix for the sqlite3_trace() problem. 
Ticket [11d5aa455e0d98f3c1e6a]

FossilOrigin-Name: 44d5bd4cc3f76e9a151ba0abae1092bd184af264
 2014-08-19 20:41:36 +00:00
drh
2c7946a485 Make sure the sqlite3_trace() callback is invoked, even if the prepared 
statement was marked "expired" before it ever entered sqlite3_step().
Ticket [11d5aa455e0d98f3c1e6a08].

FossilOrigin-Name: 0d4d3df4bc5e75ce1543b5539a1e9e279d2a062f
 2014-08-19 20:27:40 +00:00
drh
35c3d8cc75 Merge recent trunk changes into the sessions branch. 
FossilOrigin-Name: a9db017eabdefafcda87c497e8bafa07002ac0fe
 2014-07-24 16:23:51 +00:00
dan
857745c089 Update the sqlite3_stmt_busy() function so that it correctly returns true for "ROLLBACK" statements that have been stepped but not yet reset. 
FossilOrigin-Name: 61cee3c0678f5abd9131a29ab946a5e71f55643e
 2014-07-19 17:57:10 +00:00
drh
0503cf491f Merge in various obscure bug fixes and the removal of Mem.memType from trunk. 
FossilOrigin-Name: 0828975d580d309a1c66da4b6caeb65b21a01199
 2014-03-05 14:49:51 +00:00
drh
817492630a When converting a result type from TEXT to BLOB using the 
sqlite3_value_blob() interface, continue to report SQLITE_TEXT as
the true type from sqlite3_value_text() as long as that text is still
valid.  The maintains legacy behavior from before the noMemType change.

FossilOrigin-Name: 1d134ba2edbdb8c0cf9e99590a69cd17e0b874a9
 2014-03-05 14:40:22 +00:00
drh
b1a1c29a07 Separate the column NULL value constant into a separate routine for greater 
commonality with the sessions branch.

FossilOrigin-Name: 12cbebb997705e37769460e00a4aaa52c12f305e
 2014-03-05 12:47:55 +00:00
mistachkin
afc14f72ef Experimental simplification of memory flags/type handling. 
FossilOrigin-Name: bac2820e13a79d91d0f8938c643134a9d6900327
 2014-03-05 01:29:18 +00:00
drh
5671ef69ec Sync the latest trunk changes, and in particular the STAT4 IS NOT NULL fix. 
FossilOrigin-Name: b006792695d23980e1923b21915d5c1138ecf29d
 2014-02-11 04:30:29 +00:00
drh
1b27b8c0a0 Faster and smaller implementation of sqlite3_value_type(). 
FossilOrigin-Name: 5708bc24b8cab623b833121183042b43e5a7021b
 2014-02-10 03:21:57 +00:00
drh
c8d985e09c Merge in all recent preformance enhancements from trunk. 
FossilOrigin-Name: 32477642d79615fb85680bdac812ad9655cf6902
 2013-12-14 18:24:46 +00:00
drh
a3cc007df4 Simplication and optimization of error message handling. 
FossilOrigin-Name: 9d347f547e7ba9590b0c68edf50a14ad94a2bb92
 2013-12-13 16:23:55 +00:00
drh
5b8d1ab454 Merge all recent trunk changes. 
FossilOrigin-Name: 3a2a1bd47875e114d8e6f31c1768908f401d2861
 2013-11-27 21:53:51 +00:00
drh
a63b852992 Synchronize with the trunk. 
FossilOrigin-Name: 136445ba020c9475d3f5a7843d7d0add98477138
 2013-10-10 20:13:18 +00:00
drh
95a7b3e36d The date and time functions use the exact same notion of "now" for every 
invocation within the same call to sqlite3_step().

FossilOrigin-Name: daf6ba413cb3cb6065774ba07495eab4a28b49b0
 2013-09-16 12:57:19 +00:00
drh
90bf3d7422 Merge performance enhancements and compiler warning fixes from trunk. 
FossilOrigin-Name: 3e4033285deb417bd72c008917729dbf3bf4e90d
 2013-08-20 13:02:16 +00:00
drh
9b47ee3f09 Performance optimizations in the VDBE and especially to the OP_Next and 
related opcodes and in the sqlite3BtreeNext() and sqlite3BtreePrevious()
routines.  This is a cherrypick of [6f99b54aedeb], [d2efea1682a7], and
[d78c5d89de4b].

FossilOrigin-Name: 7f72fc4f47445a2c01910b268335873de9f75059
 2013-08-20 03:13:51 +00:00
drh
7fb30bd0dd Merge in the latest trunk changes, including partial indexes, the MAX_PATH 
fix in os_win.c, and the sqlite3_cancel_auto_extension() API.

FossilOrigin-Name: 7e1acb390770d1bd189fac7a3a7f96106f96e3a4
 2013-08-02 20:44:48 +00:00
dan
0c5477997b Ensure that all auxiliary data registered by calls to sqlite3_set_auxdata() is destroyed when the VM is halted. Partial fix for [406d3b2ef9]. 
FossilOrigin-Name: 71effa59c98d167e6e4b269e59ad5f468e664ac1
 2013-07-18 17:12:08 +00:00
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
drh
07001c45a1 Remove the undocumented sqlite3_foreign_key_check() API and replace it with 
sqlite3_db_status(db, SQLITE_DBSTATUS_DEFERRED_FKS, ...).  Add test cases
for the new functionality.

FossilOrigin-Name: d39e65fe702a2e11477f2d996f77404f45763368
 2013-07-11 13:49:59 +00:00
drh
888e16e7c5 Pull in all the latest changes from trunk. 
FossilOrigin-Name: af3ca4c6e557e6bc92584586b5a97d9be41b0b82
 2013-07-09 13:05:49 +00:00
dan
cb3e4b797e Experimental change to the handling of foreign key constraint violations when applying a changeset: all foreign keys, immediate and deferred, are deferred until the end of the transaction (or sub-transaction) opened by the sqlite3changeset_apply(). A single call to the conflict-handler (if any) is made if any FK constraint violations are still present in the database at this point. The conflict-handler may choose to rollback the changeset, or to apply it, constraint violations and all. 
FossilOrigin-Name: 1d44e5d3c2b1dc958442f9114a960b256e002ed3
 2013-07-03 19:53:05 +00:00