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50 check-ins using file src/vdbeaux.c version 519ec819

2008-04-10
14:51
Add source file test_osinst.c. A wrapper vfs with instrumentation capabilities. (CVS 4977) check-in: d9a6b653 user: danielk1977 tags: trunk
14:00
Make sure changes to virtual tables are counted the same as real tables. Ticket #3038. (CVS 4976) check-in: 55591fc4 user: drh tags: trunk
13:42
Fix to the "copy" method in the TCL interface. Ticket #3039. (CVS 4975) check-in: 6f07968e user: drh tags: trunk
13:38
Document the fast that the result flag combinations to sqlite3_open_v2() that are not defined in the documentation results in undefined behavior. Ticket #3037. (CVS 4974) check-in: b390e1f7 user: drh tags: trunk
13:33
First cut at optimizing single-row updates to use a one-pass algorithm. (CVS 4973) check-in: fba97f78 user: drh tags: trunk
13:32
Add three new test cases to speed4p.test. Two of the three do single-row updates based on rowid and on primary key. (CVS 4972) check-in: a2da7f9a user: drh tags: trunk
13:20
Fix a bug in the speed4p.test performance testing script. (CVS 4971) check-in: 80311594 user: drh tags: trunk
2008-04-08
03:09
Replace always-true condition with assertion (CVS 4970) check-in: be7f3240 user: mlcreech tags: trunk
03:07
Add test case for empty VFS list (CVS 4969) check-in: 6797814e user: mlcreech tags: trunk
2008-04-05
18:41
Add the sqlite3PutVarint32 routine as an alternative to sqlite3PutVarint. Gives 0.5% speed increase. (CVS 4968) check-in: b2517a7d user: drh tags: trunk
2008-04-04
15:12
Smaller and hopefully faster routine for converting blob literals into binary. (CVS 4967) check-in: 92d49499 user: drh tags: trunk
12:21
Fix the output labels on the tests in malloc9. (CVS 4966) check-in: 9987a7b1 user: drh tags: trunk
12:21
Fix the TCL interface so that it does not use unpublished interfaces. (CVS 4965) check-in: 046a98a8 user: drh tags: trunk
2008-04-03
21:46
Remove superfluous code from btree.c. (CVS 4964) check-in: 40173010 user: drh tags: trunk
21:42
Make sure the zTail return from sqlite3_prepare() is initialized even if there is a malloc failure. (CVS 4963) check-in: 040cffe2 user: drh tags: trunk
20:09
Fix to the previous check-in so that it works on a intel Mac. (CVS 4962) check-in: 1d67f41c user: drh tags: trunk
19:40
Use an improved RDTSC access routine. (CVS 4961) check-in: b4eba9c5 user: drh tags: trunk
17:57
Changes speedtest8 and speedtest16 so that the database file can be specified on the command-line. Allows speed testing against a :memory: database. (CVS 4960) check-in: 64badc50 user: drh tags: trunk
16:28
Instead of calling sqlite3_exec() to evaluate "PRAGMA encoding = UTF16" in sqlite3_open16(), set the connection encoding flag directly. (CVS 4959) check-in: 33a12e73 user: danielk1977 tags: trunk
16:01
Add the speedtest8.c and speedtest16.c files to the tools subdirectory. (CVS 4958) check-in: b8d211a7 user: drh tags: trunk
14:36
Avoid an out-of-bounds read in sqlite3_prepare() and fix a case where the output variable *pzTail was being set incorrectly. Fix for #3027. (CVS 4957) check-in: c287a7b2 user: danielk1977 tags: trunk
10:13
Change the allocator in mem2.c (used when SQLITE_MEMDEBUG is defined) so that allocations are not rounded up to the nearest 4 byte boundary. Fix a couple of errors in malloc.test related to sqlite3OsAccess() returning -1. (CVS 4956) check-in: fd97f876 user: danielk1977 tags: trunk
2008-04-02
18:33
Minor optimizations. (CVS 4955) check-in: e8529455 user: drh tags: trunk
16:29
Simplifications to the LockTable opcode. (CVS 4954) check-in: 66c5d715 user: drh tags: trunk
04:23
Set flags = MEM_Null on allocation failure in sqlite3VdbeMemGrow (CVS 4953) check-in: 846f9739 user: mlcreech tags: trunk
2008-04-01
18:04
Avoid factoring single-instruction constants that end up getting replaced by an SCopy instruction. (CVS 4952) check-in: e84ff57b user: drh tags: trunk
15:06
Add the testcase() macro. Additional CSE test coverage. (CVS 4951) check-in: 492490f9 user: drh tags: trunk
12:24
Fix a problem with CASTs and the new CSE mechanism. (CVS 4950) check-in: e25939fb user: drh tags: trunk
05:07
Fix the CSE mechanism so that it takes into account column affinity changes that might be imposed by comparison operators. (CVS 4949) check-in: 91cc646e user: drh tags: trunk
03:27
More test cases and bug fixes with CSE. (CVS 4948) check-in: 7e815612 user: drh tags: trunk
02:45
Add a configure option for using gcov (makes things easier for versions of GCC that fail to build otherwise) (CVS 4947) check-in: 7d1e7971 user: mlcreech tags: trunk
01:42
Initial test cases and bug fixes in the CSE logic. (CVS 4946) check-in: e5aff09a user: drh tags: trunk
00:36
Break up the implementation of OP_Move, OP_Copy, and OP_SCopy to reduce the number of branch instructions. (CVS 4945) check-in: 53e533d3 user: drh tags: trunk
2008-03-31
23:51
Add the veryquick.test script for a very fast overview test that omits all i/o and malloc testing. (CVS 4944) check-in: f61df8da user: drh tags: trunk
23:48
Avoid duplicate OP_Column opcodes by remembering prior results. This is similar to CSE, but only applies to columns. (CVS 4943) check-in: c29ee0fe user: drh tags: trunk
18:19
Factor constant subexpressions out of loops. (CVS 4942) check-in: 2126db39 user: drh tags: trunk
17:41
In setQuotedToken(), only make a malloced copy if the argument contains one or more " characters. (CVS 4941) check-in: b266924b user: danielk1977 tags: trunk
2008-03-29
23:25
Minor cleanup: Use size_t for struct size cast (CVS 4940) check-in: 618df68b user: mlcreech tags: trunk
17:26
Set exclusive locking mode by default on the speed4p test. (CVS 4939) check-in: 2d9fea95 user: drh tags: trunk
16:01
Make the sqlite3BtreeMoveto routine a no-op if the cursor is already pointing at the cell we are trying to move to. (CVS 4938) check-in: 9b567ab6 user: drh tags: trunk
12:50
add two missing initializer values (CVS 4937) check-in: bf28f1c2 user: rse tags: trunk
12:47
eliminate compile-time warnings related to missing field initializations (CVS 4936) check-in: d6a34d98 user: rse tags: trunk
12:39
add three missing initializers (CVS 4935) check-in: f45f0593 user: rse tags: trunk
11:00
Add the --pause option to the main test driver. (CVS 4934) check-in: 37dfcdf5 user: drh tags: trunk
2008-03-28
19:16
Fix a problem with min() and descending indexes. (CVS 4933) check-in: 39705b61 user: danielk1977 tags: trunk
19:16
Fix a memory leak that can occur when the library API is misused. (CVS 4932) check-in: 2b6d3e01 user: danielk1977 tags: trunk
19:15
Do not incorrectly report a malloc() failure when allocating 0 bytes. Fixes a problem in bind.test. (CVS 4931) check-in: b99d19d6 user: danielk1977 tags: trunk
18:11
Fix for #3022. Handle queries like "SELECT min(b) FROM T WHERE a = X AND b > X" when there is an index on (a,b). (CVS 4930) check-in: bce28975 user: danielk1977 tags: trunk
17:41
Change the pager's sector size algorithm to the maximum of the size reported by xSectorSize() from the VFS and 512. It was using the maximum of xSectorSize() and the current page size, but that was adding an extra 512 bytes to the size of the journal file in the common case. (CVS 4929) check-in: 17ea0c97 user: drh tags: trunk
15:44
Changes to the Mem structure to reduce the frequency of freeing and reallocating the dynamic buffer. (CVS 4928) check-in: d0bf73d8 user: danielk1977 tags: trunk