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c2acc4e46620a10da17651bea3e81a04c56a823f
Commit Graph

1279 Commits

Author SHA1 Message Date
dan
5a299f9134 Add the "PRAGMA wal_autocheckpoint" command. Rename "PRAGMA checkpoint" to "PRAGMA wal_checkpoint". 
FossilOrigin-Name: 714e5947264571386f966aa8fcdd5607b5832238
 2010-05-03 11:05:08 +00:00
dan
586b9c8a94 Add the sqlite3_wal_checkpoint() and sqlite3_wal_autocheckpoint() APIs. 
FossilOrigin-Name: 9803196dec85e3aa4105cc477e9cfe98d370e486
 2010-05-03 08:04:49 +00:00
dan
5cf53537a8 Support compile-time option SQLITE_OMIT_WAL, for building without WAL support. 
FossilOrigin-Name: 9b230c43dfa112e3e1589f9775926807bd36b36e
 2010-05-01 16:40:20 +00:00
drh
7ed91f2344 Refactor wal.c to use the VFS. This check-in compiles and links and works 
ok as long as you leave WAL turned off, but WAL does not work.

FossilOrigin-Name: 62db5fa3b61be885b2d94e9b9ce3877b2c588350
 2010-04-29 22:34:07 +00:00
drh
29d4beccc0 Merge in recent changes from the trunk 
FossilOrigin-Name: 7a0ac682c3bffcb345321fe97434563350ac90f9
 2010-04-27 01:56:21 +00:00
drh
8c6f666b26 Optimization: Convert an ORDER BY clause into a no-op if the query also 
contains a GROUP BY clause that will force the same output order.

FossilOrigin-Name: ca9d86baf70f210d331ce93102177c8005c494cb
 2010-04-26 19:17:26 +00:00
dan
9de7943783 Merge with [0291ed974d]. 
Merge with [0291ed974d].
Merge with [0291ed974d].

FossilOrigin-Name: a352f6285e33a806fbe4475e720e763fdc5bb47d
 2010-04-24 14:33:08 +00:00
drh
545f587fc8 When commands such as ALTER TABLE and VACUUM use SQL internally, make sure 
they use only the built-in functions and not application-defined overrides
for those functions.

FossilOrigin-Name: 0291ed974d5bf1e344e2c38422530cc961b897da
 2010-04-24 14:02:59 +00:00
dan
28e5386f79 Minor changes to test cases to account for the fact that databases with read/write versions of 2 are now understood. 
FossilOrigin-Name: 278ed41e1d4bbff9544cb2cf4cf52dbbcf0c17df
 2010-04-21 06:19:12 +00:00
dan
8d22a17411 Add the sqlite3_log_hook() interface for scheduling checkpoints. 
FossilOrigin-Name: 9bda601455705475075e33bfa85687bce34b15ff
 2010-04-19 18:03:51 +00:00
drh
c633908199 Wrap all automatic index changes inside SQLITE_OMIT_AUTOMATIC_INDEX. Add 
the automatic_index PRAGMA to turn it on and off.

FossilOrigin-Name: a811a47fbe4f757a7ab575ae5a0f65177a3f07c0
 2010-04-07 16:54:58 +00:00
drh
2a6a7eeba5 Enhance comments on the SrcList object definition to better explain the 
operation of the SrcList.a[].colUsed field.  No changes to code.

FossilOrigin-Name: c0f67ea131c3e237e46311b1a3dcb3febf2ea036
 2010-04-07 14:33:07 +00:00
drh
8b307fbfa0 Automatically generate transient indices for tables in joins that would 
otherwise have to use a full table scan.

FossilOrigin-Name: 1b2a04125f964e14f3fb90171c5ab86a0641d1c9
 2010-04-06 15:57:05 +00:00
drh
107b56e86d Add assert()s to mem2.c (activated by SQLITE_MEMDEBUG) which verify that 
memory alloctions that might have come from lookaside are always freed
using a lookaside-aware free routine.

FossilOrigin-Name: c2af2164cf7b279ebb3e08201561348be6e765df
 2010-03-12 16:32:53 +00:00
drh
c92271c549 Fix typo in a comment in the sqliteInt.h. No changes to code. 
FossilOrigin-Name: 1716821ddb992fd6d1330604d4f59586bf056b00
 2010-03-10 14:06:35 +00:00
dan
b7dca7d733 Modify the vdbe so that the comparison operator opcodes do not modify the data type of operands. Fix for [aa92c76cd4]. 
FossilOrigin-Name: 8858042fa1449516a2c7dbb991dca3eb6c5794cb
 2010-03-05 16:32:12 +00:00
drh
c05a9a8a57 Suppress harmless compiler warnings. 
FossilOrigin-Name: fc2c63ac78ba7d48fe3232f88093e980ea34eaa9
 2010-03-04 16:12:34 +00:00
drh
9978c97ec5 Remove the obsolete sqlite3SafetyOn() mechanism. Add additional logging 
output for CORRUPT, and CANTOPEN errors.

FossilOrigin-Name: 7c4cca6d1a23a6d1591b62f58c3716a944969947
 2010-02-23 17:36:32 +00:00
drh
a756466349 Log all error messages if logging is enabled. 
FossilOrigin-Name: a8076aede33c07e9a2aaa05be8a888f37b45e41c
 2010-02-22 19:32:31 +00:00
drh
3f28070109 Add a new, experimental logging interface designed to aid in debugging of 
deeply embedded projects that use SQLite.

FossilOrigin-Name: 103321e37ae46eacfad4e127d13477ad5dd02bab
 2010-02-18 18:45:09 +00:00
drh
b4a1fed2ea Add a new full-text search variant that tracks the total number of documents 
and document sizes, to make ranking search results easier.  Currently
called FTS4.

FossilOrigin-Name: 1b6e6094c88214e02c9e3638932997ac20bfe413
 2010-02-03 19:55:13 +00:00
drh
a2460e0730 Comment cleanup in sqliteInt.h. 
FossilOrigin-Name: 67c3aea563e019083f0ed87b57982a0379637d4f
 2010-01-14 00:39:26 +00:00
drh
85c8f291e3 Make the sqlite3IsNaN() function a macro that evaluates to FALSE when 
compiled with SQLITE_OMIT_FLOATING_POINT.

FossilOrigin-Name: 56f232d562bc239103a5afd2e64c4b926a20de08
 2010-01-13 17:39:53 +00:00
drh
f49f352320 Adjustments to column cache handling in order to restore 100% branch 
test coverage.

FossilOrigin-Name: cc6b959bc1f968e08eea1afd387201d70a0c1e80
 2009-12-30 14:12:38 +00:00
drh
b6da74ebd5 Immediately purge entries from the column cache when the associated register 
undergoes an affinity change.  Ticket [eb5548a849].  Enhance the
SQLITE_TESTCTRL_OPTIMIZATIONS setting of sqlite3_test_control so that it
can disable the column cache for testing purposes, in an effort to prevent
future problems of a similar nature to this one.

FossilOrigin-Name: ea4e57e1c1b6663ceb12872e31a8503f6c14e3d8
 2009-12-24 16:00:28 +00:00
drh
07096f68ae Move the query flattener turn-off from a pragma to an sqlite3_test_control() 
call.  Make provisions (not yet implemented) to turn off other optimizers
using the same call.

FossilOrigin-Name: 4a97c623f4e190134de4b2ca406e311034a74797
 2009-12-22 23:52:32 +00:00
drh
7b688ede64 Add a pragma to disable the query flattener - for use during testing. 
FossilOrigin-Name: 1d8550e5c88db0ea76aea579c1a5bf99d48fbe43
 2009-12-22 00:29:53 +00:00
drh
c01a3c1775 Ensure WHERE clause terms involving tables on the right end of a join 
are not prematurely evaluated when tables on the left end of the join
make use of the OR-clause optimization.  
Fix for ticket [31338dca7e].

FossilOrigin-Name: 2c2de252666662f5459904fc33a9f2956cbff23c
 2009-12-16 22:10:49 +00:00
drh
8e14c59611 Add the SQLITE_4_BYTE_ALIGNED_MALLOC compile-time option which tells some 
assert() statements that the underlying system only requires 4-byte alignment
of 8-byte data objects like double or int64 and that system malloc() only
guarantees 4-byte alignment of returned pointers.

FossilOrigin-Name: 08faee686eb2fabe0dde51231ee55880e78541e8
 2009-12-04 23:10:12 +00:00
dan
bb5f168f2e Move [7d30880114] to the trunk. Add optimizations to reduce the number of opcodes used for BEFORE UPDATE triggers. 
FossilOrigin-Name: 1b7c5250ccb63182324bfc3f1ea28f17b6db357a
 2009-11-27 12:12:34 +00:00
drh
5f18a221a1 Simplifications to the sqlite3_trace() bound parameter substitution logic. 
FossilOrigin-Name: cb4b928648504ce29d751834e9ee3b5278dfca65
 2009-11-26 14:01:53 +00:00
drh
c7bc4fde3c Initial check-in of code that inserts tokenizations of the values 
for bound parameters into the output of sqlite3_trace().

FossilOrigin-Name: 545cfb3b63f482036ae152e6ebcce86d373585a8
 2009-11-25 18:03:42 +00:00
dan
f6963f99dd Change so that deleting an Expr structure requires only one frame per level in the expression tree, not two. 
FossilOrigin-Name: a4380ab326e4b0de29271c824d041193e86b7139
 2009-11-23 14:39:14 +00:00
drh
2f2855b638 Suppress more instances of unnecessary OP_IsNull and OP_Affinity opcodes. 
FossilOrigin-Name: bf6c0bd1c5568c6292ea0a64c8a5071e1bd3079a
 2009-11-18 01:25:26 +00:00
drh
039fc32e84 Code generator tries to avoid pointless OP_IsNull and OP_Affinity opcodes. 
FossilOrigin-Name: ebb0c8a3e977dc741704e733b5a5d931d9b27028
 2009-11-17 18:31:47 +00:00
drh
a6c2ed91ca Optimizations to the main loop inside sqlite3VdbeExec() to help VDBE byte code 
run a few percent faster.

FossilOrigin-Name: d622ac6ac7a297754494d3a33dbaeea02836272e
 2009-11-14 23:22:23 +00:00
drh
ae6bb9570b Generate VDBE code for the built-in COALESCE() and IFNULL() functions. This 
allows unused arguments to never be evaluated, which is a performance win when
the unused argument is a subquery.

FossilOrigin-Name: 30055b257c3c65f8123cad5ac6c62c4c6ca2c900
 2009-11-11 00:24:31 +00:00
drh
481aa74e21 Recover an ophaned branch that resulted from some ill-advised "shunning". 
This check-in should be identical to [bd443f39a9] except that it should
be on the trunk.

FossilOrigin-Name: 38eaf1ab6e05161e6dc7cd69e942aeca16548c45
 2009-11-05 18:46:02 +00:00
drh
1860e3f98f Remove "const" from parameter of sqlite3BtreeFactory() to avoid a compiler 
warning.

FossilOrigin-Name: eb7a544fe49d1626bacecfe53ddc03fe082e3243
 2009-11-04 13:30:01 +00:00
drh
8677d30812 Create a new datatype "ynVar" to hold "nVar" (number of variable) values. 
This is normally 16-bits can can be 32-bits if SQLITE_MAX_VARIABLE_NUMBER
is large enough.

FossilOrigin-Name: 24a4d520d540d92b611abc4eb57dc6da9be4eac6
 2009-11-04 13:17:14 +00:00
drh
75f8d8be1a All SQLITE_MAX_VARIABLE_NUMBER to exceed 32767. The sizes of some structures 
increase when the compile-time parameter is configured this way.

FossilOrigin-Name: 16a24b4485420bdf30d3c8e22cfbaf008e07df02
 2009-11-03 01:22:07 +00:00
drh
1450bc6e52 Avoid storing the result register for EXISTS and SELECT in any field of 
the Expr object - simply return the register number as the return value
of the function that codes those expressions.

FossilOrigin-Name: 7253f8fad1efe6b88666f0f8740d247ff07a7640
 2009-10-30 13:25:56 +00:00
dan
f7b0b0ad5f When generating WHERE clause terms internally for NATURAL and USING joins, identify the table by its position in the FROM list, not by its name or alias. Fix for [b73fb0bd64]. 
FossilOrigin-Name: 6fe6371175482d38ac4aeea994c7b20c18b7de01
 2009-10-19 15:52:32 +00:00
dan
937d0dea4f Add the experimental sqlite3_reoptimize() API. 
FossilOrigin-Name: 9bd6f3d8864d422fe42074688b191915b27ad8ea
 2009-10-15 18:35:38 +00:00
drh
fcb9f7ad7a Fixed warnings with MSVC compile. 
FossilOrigin-Name: e0aa50c382a56bb02eaa589619b7e670006a26b3
 2009-10-13 19:19:23 +00:00
drh
4c4298392e Add asserts as evidence that all FK constraints are either immediate or 
deferred.

FossilOrigin-Name: 634ef4fc9f4051245b38f558bb1c733031548c2f
 2009-10-12 22:30:49 +00:00
dan
02470b20f3 Handle an SQLITE_IGNORE returned when requesting authorization to read parent key columns by pretending the parent key columns contain NULL values. 
FossilOrigin-Name: 3c24df38e6ae5dfe999bbf3133b65df0074c6a50
 2009-10-03 07:04:11 +00:00
dan
47a06346ff When inserting a row into a child table, invoke the authorization callback to request permission to read the parent key columns. 
FossilOrigin-Name: 9842f2d5f606eb8f641ecae9fbc5368b8d7e4286
 2009-10-02 14:23:41 +00:00
dan
e7a94d8128 If an update does not modify any child or parent key columns, omit foreign key processing for the statement. 
FossilOrigin-Name: edff3500058eb8ad2381f855ef7a09ecb680f7b8
 2009-10-01 16:09:04 +00:00
dan
d66c83095e Fix the DROP TABLE command so that it cannot be used to bypass foreign key constraints (if foreign key support is enabled). 
FossilOrigin-Name: 8353808c9e70412fdee31bfda7810e948f1c7485
 2009-09-28 14:49:01 +00:00