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5995e292e6
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13954 Commits

Author SHA1 Message Date
drh
5995e292e6 Add #ifdefs to some features speedtest1.c so that it compiles with 
older versions of SQLite, going back to version 3.5.1.

FossilOrigin-Name: f50dd154d33c58d7a9aa1852fdc362c2e81feef2
 2015-06-18 12:37:32 +00:00
drh
14e067455e Performance improvement in sqlite3VdbeMemShallowCopy() for the common 
case where the receiver does not require prior resource deallocation.

FossilOrigin-Name: d718ea36dce8cf1684c8bcda457fee87f8f8c4e2
 2015-06-17 23:28:03 +00:00
mistachkin
073664de88 Improve spacing and comment style for the shell. No changes to code. 
FossilOrigin-Name: 5b547da00d131a494a6b348339af3d91dfa6e3b6
 2015-06-17 18:57:37 +00:00
drh
00452196d8 Improved comments on the fuzzcheck.c test program. No changes to code. 
FossilOrigin-Name: a7e27d19280048bcfff6d2e796eed72287b9dabe
 2015-06-17 18:24:40 +00:00
drh
bbe031f9f1 Fix a uninitialized variable use in the command-line shell when the 
".open" command is invoked without any arguments.

FossilOrigin-Name: fc4f4d1eccec2e09b5d2e6c4da082204f4d5a016
 2015-06-17 17:08:22 +00:00
drh
b0870486aa Performance optimization and comment fixes for the LIKE and GLOB operators. 
FossilOrigin-Name: c89d772628564a808173f6f73bc1798ec714276b
 2015-06-17 13:20:54 +00:00
drh
c5b41ac8ee Make getCellInfo() a real function instead of a macro, for a size reduction 
and a 0.2% performance gain.

FossilOrigin-Name: 55c393ea14197ae5fa56ebca7a47e7d980511fa7
 2015-06-17 02:11:46 +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
07d694c750 Adjust ICU tests to account for recent changes in the official 
Unicode definition of whitespace.

FossilOrigin-Name: 0816525386ac51454b7b09a507e45b6a2cb8bf6e
 2015-06-15 16:40:38 +00:00
drh
3e24a34324 Fix a harmless comment typo. No code changes. 
FossilOrigin-Name: ae6876521819e7a8ce473c8f96617cba35e2156d
 2015-06-15 16:09:35 +00:00
drh
f5ed7ad63e Fix harmless compiler warnings. 
FossilOrigin-Name: b0badb99023e23bef0e2064cec58f2b279af0c0b
 2015-06-15 14:43:25 +00:00
drh
e4d38707ea Improved detection of database corruption in freeSpace(). 
FossilOrigin-Name: 29bcb56887f862a1f06677a7b4bfae6475d29732
 2015-06-15 12:58:15 +00:00
drh
c056e4b257 Comment typo fix. No code changes. 
FossilOrigin-Name: 17f185adb960b1fa4faa13cdf685b92a20a52072
 2015-06-15 10:49:01 +00:00
drh
74a043607e Omit mutex calls in pcache1 when the mutex is NULL, for a significant 
performance improvement.

FossilOrigin-Name: caf8f574e5c64da461c6dfba8a06cf3fb18aaa42
 2015-06-13 11:19:47 +00:00
drh
982215a2c5 Avoid unnecessary mutex usage in pcache1, for a significant speedup. 
FossilOrigin-Name: dcf4fb8d764611de60afea27cda0a8548ba7ca82
 2015-06-13 11:10:55 +00:00
drh
55a46c9b0e Add a fast-path implementation of pcache1Fetch() for the common case of 
separate caches that do not use a mutex.

FossilOrigin-Name: 760700edb3ff1f5d6bf3058f874cc8e2808905c7
 2015-06-12 13:49:26 +00:00
drh
b230a52892 Minor performance optimization in pcache1.c. 
FossilOrigin-Name: 2e8ad2ead9d146e312c693d9b967bbd5b92429d9
 2015-06-12 13:04:51 +00:00
drh
36b80349b7 Add the OP_ColumnsUsed opcode (when compiled with 
SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which
columns of a btree cursor will be used.

FossilOrigin-Name: 711a176cbfad5dde6defa9648fba6d0d663af134
 2015-06-12 12:54:15 +00:00
drh
aca55cfec3 Remove stray outputs from the test suite. 
FossilOrigin-Name: afc6db9b105f32110112b877f06091757888a5f2
 2015-06-11 14:19:05 +00:00
drh
72bc8208f0 When generating code for partial indexes, be sure not to modify the 
index condition expression in the schema.

FossilOrigin-Name: e63d01c69c3e50f49ee3022a519c4f3e91f00520
 2015-06-11 13:58:35 +00:00
mistachkin
eeb31ff59b More test output refinements. 
FossilOrigin-Name: e64a5681793238fa04fe3636f48d34b2dd36cdfa
 2015-06-10 23:02:38 +00:00
mistachkin
7b96f2fa7e Remove possibly stray output from various tests. 
FossilOrigin-Name: f38e0be56fc086a3ce08134ade83ab61c9fca106
 2015-06-10 22:51:02 +00:00
mistachkin
033eb6c8d3 Fix minor typo in the quicktest MSVC makefile target. 
FossilOrigin-Name: 75b65f9d49daaf48e97042cb82ea554e2ec74eec
 2015-06-10 22:03:40 +00:00
drh
905da63a82 "test" targets on all makefiles use --verbose=file --output=test-out.txt. 
Add the new "quicktest" target to all makefiles - designed to run in under
three minutes.  The --quick option on releasetest.tcl now uses quicktest.

FossilOrigin-Name: 6ddef2ad35ceb5822fc14c65bc7c6a2662edb63c
 2015-06-10 18:53:09 +00:00
dan
84dff7a20e Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods. 
FossilOrigin-Name: 7b446771cadedafbe8924ad0658adc2597816dc7
 2015-06-10 14:27:40 +00:00
dan
17c0823bda Add the --output=$file and --verbose=(0|1|file) options to tester.tcl. 
FossilOrigin-Name: f7b2c70362f10ee0347c1d2318918ffefa53243d
 2015-06-09 15:58:28 +00:00
dan
4430b40934 Remove some repeated lines of source code. Probably introduced by careless cut'n'pasting. 
FossilOrigin-Name: a34cd71c8aafaece04a2332a127e9b8e99c1403c
 2015-06-09 10:58:51 +00:00
drh
d1f2f9b90c Add the valgrindfuzz target to unix makefile. 
FossilOrigin-Name: e62aed01f1a6dbc12d6e21386c1671eb640b8d49
 2015-06-08 19:15:50 +00:00
dan
35175bf7ab If a query contains "FROM t1 LEFT JOIN t2, t3, t4", ensure that tables t3 and t4 are not scanned before t2. The trunk already does this. 
FossilOrigin-Name: 0d9edfab9fb61322620f188b48ae2a1798a07581
 2015-06-08 18:48:29 +00:00
dan
4f20cd402b Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods. 
FossilOrigin-Name: 80ee56dda7db3860f8be5f6968c8745138f8453f
 2015-06-08 18:05:54 +00:00
mistachkin
f5b5f9b972 Fix typo in comment. No changes to code. 
FossilOrigin-Name: e49c291735e613e384f6da044ef865dd274cabc8
 2015-06-08 17:42:57 +00:00
drh
6dcb2dbaf6 Split out some source code into new files: wherecode.c, whereexpr.c, and 
treeview.c.  Other minor refactoring changes.

FossilOrigin-Name: 50f336818c8509d8b8bde282e9399d2b2b5ea70a
 2015-06-08 17:40:30 +00:00
drh
38b4149ca1 Factor out the TreeView parse tree printing module into a separate file. 
FossilOrigin-Name: c32ce54ca46a4be4373983be6fd44b1f3a0250d1
 2015-06-08 15:08:15 +00:00
drh
6c1f4ef217 Split more subfunctions of where.c out into a new whereexpr.c source file, 
for improved maintainability.

FossilOrigin-Name: 46ef95c108ad8961f2bf3d2dc839d4fb1fddd770
 2015-06-08 14:23:15 +00:00
drh
6f82e85a80 Split out the bulk of the actual VDBE code generation logic from where.c 
into a new file, leaving behind the analysis logic.  This makes the original
where.c smaller and hopefully easier to edit.

FossilOrigin-Name: faa0e420e93a2bc1c84df9eb9fef4748d29ce339
 2015-06-06 20:12:09 +00:00
drh
b121dd14ac Code simplifications in select.c and where.c. 
FossilOrigin-Name: 4f20ac90bce8bd7ba43ef59af5cc4ef7aa282fe8
 2015-06-06 18:30:17 +00:00
drh
adc57f6834 Minor cleanup of the sqlite3Select() procedure. 
FossilOrigin-Name: f4c90d06bb941453d8110680c7b279e471e8f034
 2015-06-06 00:18:01 +00:00
drh
4490c40b90 Split FROM-clause subquery flattening and code generation into separate loops. 
FossilOrigin-Name: be8e3fc70e4c13b28b07985df3457960f58ffddd
 2015-06-05 22:33:39 +00:00
drh
bc8edba10a Provide one final Select tree dump prior to WHERE clause analysis 
when ".selecttrace 0x400" tracing bit is set with SELECTTRACE_ENABLED.
Analysis and debug changes only - normal builds are unaffected.

FossilOrigin-Name: 283bf0b64da7acc5aa5812fc659954965002d409
 2015-06-05 20:27:26 +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
d62fbb50e6 Change the name of SrcList.a[].zIndex to the more descriptive 
SrcList.a[0].zIndexedBy.

FossilOrigin-Name: 6a9cf063379118dbb95c6cdc6d60af50e9867177
 2015-06-04 12:08:53 +00:00
drh
24dee9d214 Always check for cell overflow before returning a slot from the 
pageFindSlot routine in btree.c.

FossilOrigin-Name: 9f035c45a4b84203e67b6e1b23cf11691dc43f1e
 2015-06-02 19:36:29 +00:00
drh
4c393a82df For FROM-clause subqueries that cannot be flattened, try to push relevant 
WHERE clause terms of the outer query down into the subquery in order to help
the subquery run faster and/or use less memory.

FossilOrigin-Name: 6df18e949d3676290785143993513ea1b917d729
 2015-06-02 18:09:18 +00:00
drh
467c1c70fb Add test cases for type affinity rules. 
FossilOrigin-Name: 9678646d9a14ba283a83839be329599a676a537a
 2015-06-02 17:25:05 +00:00
drh
a88994ee57 Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB to avoid confusion with 
"no affinity".

FossilOrigin-Name: 29ad9e917330969810ac1bc685bba4282401bdae
 2015-06-02 16:19:56 +00:00
drh
05883a3409 Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB. 
FossilOrigin-Name: bce3f04186cd2d69414a5a98b5b77dc8f060554a
 2015-06-02 15:32:08 +00:00
drh
cd8fb7cfd5 Fix a faulty assert() in btree.c. Update the database fuzz test file with 
new test cases.

FossilOrigin-Name: 4e621af1345a001360938de76e3b0a14deb5e991
 2015-06-02 14:02:18 +00:00
drh
69b72d5a29 For FROM-clause subqueries that cannot be flattened, try to push WHERE clause 
terms of the outer query down into the subquery in order to help the subquery
run faster and/or use less memory.

FossilOrigin-Name: 297fae7551a2af9e600d833801ff79fca0602ad5
 2015-06-01 20:28:03 +00:00
drh
fcb9f4f3ca Corrections to comments in expr.c. No code changes. 
FossilOrigin-Name: f925389eaf5bf8962a28fcaa652b75caa606efba
 2015-06-01 18:13:16 +00:00