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10 years agoTestability improvement. btree-opt2
drh [Tue, 23 Jun 2015 21:35:28 +0000 (21:35 +0000)] 
Testability improvement.

FossilOrigin-Name: eed6a3314518cdab809264284d7680385f0d5d2a

10 years agoMultiple overflow cells are always adjacent and sequential. Exploit this
drh [Tue, 23 Jun 2015 18:24:25 +0000 (18:24 +0000)] 
Multiple overflow cells are always adjacent and sequential.  Exploit this
invariant for a small size reduction and performance increase and add
assert()s to prove the invariant.

FossilOrigin-Name: f77f2f48f48e374a72b6c054142f7a3ec0b1483c

10 years agoFaster loading of cell pointers into the b.apCell array in balance_nonroot.
drh [Tue, 23 Jun 2015 17:09:53 +0000 (17:09 +0000)] 
Faster loading of cell pointers into the b.apCell array in balance_nonroot.

FossilOrigin-Name: fda89b0512477f9da09fd0f4e548ed4b13efd49d

10 years agoAvoid unnecessary cachedCellSize() calls in the cell partition adjustment
drh [Tue, 23 Jun 2015 16:00:24 +0000 (16:00 +0000)] 
Avoid unnecessary cachedCellSize() calls in the cell partition adjustment
phase of balance_nonroot().

FossilOrigin-Name: 6319ee1256b1f7c39dd39a536a39b77b3d10dcac

10 years agoChange pageInsertArray() and pageFreeArray() so that they use the CellArray
drh [Tue, 23 Jun 2015 15:36:34 +0000 (15:36 +0000)] 
Change pageInsertArray() and pageFreeArray() so that they use the CellArray
object and compute cell sizes as needed, resulting in smaller and faster code.

FossilOrigin-Name: f7f41818119bb7bfbd1f1297d294b32f32769cd3

10 years agoImprovements to the way balance_nonroot() constructs the b.apCell array of
drh [Tue, 23 Jun 2015 14:49:42 +0000 (14:49 +0000)] 
Improvements to the way balance_nonroot() constructs the b.apCell array of
pointers to cells.

FossilOrigin-Name: ee44bb25b2a88e25ba2afe37cf03ba199692a3a0

10 years agoMerge the compound SELECT operator fix from trunk.
drh [Tue, 23 Jun 2015 13:02:10 +0000 (13:02 +0000)] 
Merge the compound SELECT operator fix from trunk.

FossilOrigin-Name: a7be554f4b8534fc237fa4c6defc38fcd4049707

10 years agoTest that the left and right sides of a compound SELECT operator have the same numbe...
dan [Tue, 23 Jun 2015 12:19:55 +0000 (12:19 +0000)] 
Test that the left and right sides of a compound SELECT operator have the same  number of expressions in the expanded expression list before beginning to generate code.

FossilOrigin-Name: 4df852ce26c95d5d23c83dbe9c59d2c3435acddf

10 years agoAvoid computing cell sizes in balance_nonroot() until they are really needed.
drh [Tue, 23 Jun 2015 02:37:30 +0000 (02:37 +0000)] 
Avoid computing cell sizes in balance_nonroot() until they are really needed.
This gives an overall 1.7% performance gain for about 1000 extra bytes of
code space.

FossilOrigin-Name: 43844537e8a372953386663f8177202901ba7566

10 years agoChange the way that balance_nonroot() partitions cells between the sibling
drh [Mon, 22 Jun 2015 20:02:04 +0000 (20:02 +0000)] 
Change the way that balance_nonroot() partitions cells between the sibling
pages such that a scan of the cell size array is not required.

FossilOrigin-Name: 168728715156d756ac8c0df45710d054eee027ec

10 years agoUpdate the fuzztest data using the latest test vectors discovered by AFL.
drh [Sat, 20 Jun 2015 14:11:56 +0000 (14:11 +0000)] 
Update the fuzztest data using the latest test vectors discovered by AFL.

FossilOrigin-Name: b97f9cf73e503c7285ba3a801e1f932f222d96b2

10 years agoMake sure that the likelihood() function does not mess up generation of
drh [Sat, 20 Jun 2015 13:18:34 +0000 (13:18 +0000)] 
Make sure that the likelihood() function does not mess up generation of
result-set code when it is used (inappropropriately) in a result-set
expression.

FossilOrigin-Name: 7cdbae625eb029538a693d2bebec465a6f65fb90

10 years agoPerformance improvements in btreeParseCell() by inlining the varint decoder.
drh [Fri, 19 Jun 2015 20:31:02 +0000 (20:31 +0000)] 
Performance improvements in btreeParseCell() by inlining the varint decoder.

FossilOrigin-Name: 172a864d14fd9f0e3e97d2a13b22222ae0fedd39

10 years agoFix corner cases involving corrupt varint values in record headers.
drh [Fri, 19 Jun 2015 20:08:39 +0000 (20:08 +0000)] 
Fix corner cases involving corrupt varint values in record headers.

FossilOrigin-Name: 3189116b42c5ecef5e30c8b317f4458bbf8b9086

10 years agoPerformance improvements in btreeParseCell() by inlining the varint decoder.
drh [Fri, 19 Jun 2015 18:24:37 +0000 (18:24 +0000)] 
Performance improvements in btreeParseCell() by inlining the varint decoder.

FossilOrigin-Name: faab0ed928074f3ec7c25e1a2058414fbd9b013c

10 years agoAdd the MemPage.xParseCell method and provide various implementations
drh [Fri, 19 Jun 2015 17:19:34 +0000 (17:19 +0000)] 
Add the MemPage.xParseCell method and provide various implementations
(variations on the former btreeParseCellPtr()) depending on the page type.

FossilOrigin-Name: 41d03d883c4f7ca279eb9dd679f3ab81c8d957d9

10 years agoMake cellSizePtr() a method on the MemPage object, with alternative
drh [Fri, 19 Jun 2015 15:07:14 +0000 (15:07 +0000)] 
Make cellSizePtr() a method on the MemPage object, with alternative
implementations depending on the page type.  This results is a small performance
improvement and size reduction.

FossilOrigin-Name: 02f7e9d7d7b93d0b6bbd6cc0d0359b3b741b9931

10 years agoFurther #ifdef changes in speedtest1.c in order to support SQLite back to
drh [Thu, 18 Jun 2015 15:26:09 +0000 (15:26 +0000)] 
Further #ifdef changes in speedtest1.c in order to support SQLite back to
version 3.3.9 and perhaps even earlier.

FossilOrigin-Name: 9246eca54adaee571dab0c066afaa604fcf9c44f

10 years agoPervent the likelihood() function from moving ON clause terms of a LEFT JOIN
drh [Thu, 18 Jun 2015 14:32:51 +0000 (14:32 +0000)] 
Pervent the likelihood() function from moving ON clause terms of a LEFT JOIN
into the WHERE clause.
Fix for ticket [5f60b11fc8e23490e2]

FossilOrigin-Name: ed96e14adce4a4f94cc6838c46bc97937c4cb72a

10 years agoShow the values of Expr.flag in the AST of ".selecttrace"
drh [Thu, 18 Jun 2015 14:09:13 +0000 (14:09 +0000)] 
Show the values of Expr.flag in the AST of ".selecttrace"

FossilOrigin-Name: a84d1004cbee67f2b8ba1fd201e43af49ea67c1b

10 years agoAdd #ifdefs to some features speedtest1.c so that it compiles with
drh [Thu, 18 Jun 2015 12:37:32 +0000 (12:37 +0000)] 
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

10 years agoPerformance improvement in sqlite3VdbeMemShallowCopy() for the common
drh [Wed, 17 Jun 2015 23:28:03 +0000 (23:28 +0000)] 
Performance improvement in sqlite3VdbeMemShallowCopy() for the common
case where the receiver does not require prior resource deallocation.

FossilOrigin-Name: d718ea36dce8cf1684c8bcda457fee87f8f8c4e2

10 years agoImprove spacing and comment style for the shell. No changes to code.
mistachkin [Wed, 17 Jun 2015 18:57:37 +0000 (18:57 +0000)] 
Improve spacing and comment style for the shell.  No changes to code.

FossilOrigin-Name: 5b547da00d131a494a6b348339af3d91dfa6e3b6

10 years agoImproved comments on the fuzzcheck.c test program. No changes to code.
drh [Wed, 17 Jun 2015 18:24:40 +0000 (18:24 +0000)] 
Improved comments on the fuzzcheck.c test program.  No changes to code.

FossilOrigin-Name: a7e27d19280048bcfff6d2e796eed72287b9dabe

10 years agoFix a uninitialized variable use in the command-line shell when the
drh [Wed, 17 Jun 2015 17:08:22 +0000 (17:08 +0000)] 
Fix a uninitialized variable use in the command-line shell when the
".open" command is invoked without any arguments.

FossilOrigin-Name: fc4f4d1eccec2e09b5d2e6c4da082204f4d5a016

10 years agoPerformance optimization and comment fixes for the LIKE and GLOB operators.
drh [Wed, 17 Jun 2015 13:20:54 +0000 (13:20 +0000)] 
Performance optimization and comment fixes for the LIKE and GLOB operators.

FossilOrigin-Name: c89d772628564a808173f6f73bc1798ec714276b

10 years agoMake getCellInfo() a real function instead of a macro, for a size reduction
drh [Wed, 17 Jun 2015 02:11:46 +0000 (02:11 +0000)] 
Make getCellInfo() a real function instead of a macro, for a size reduction
and a 0.2% performance gain.

FossilOrigin-Name: 55c393ea14197ae5fa56ebca7a47e7d980511fa7

10 years agoOptimizations to two VDBE accessory routines for a 0.2% performance increase.
drh [Wed, 17 Jun 2015 01:31:28 +0000 (01:31 +0000)] 
Optimizations to two VDBE accessory routines for a 0.2% performance increase.

FossilOrigin-Name: 66d033b9c9a8c16b9a342be0b325bd85b8487c03

10 years agoEnsure that the CREATE TABLE AS statement correctly undoes partial changes
drh [Tue, 16 Jun 2015 16:39:01 +0000 (16:39 +0000)] 
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

10 years agoAdjust ICU tests to account for recent changes in the official
drh [Mon, 15 Jun 2015 16:40:38 +0000 (16:40 +0000)] 
Adjust ICU tests to account for recent changes in the official
Unicode definition of whitespace.

FossilOrigin-Name: 0816525386ac51454b7b09a507e45b6a2cb8bf6e

10 years agoFix a harmless comment typo. No code changes.
drh [Mon, 15 Jun 2015 16:09:35 +0000 (16:09 +0000)] 
Fix a harmless comment typo.  No code changes.

FossilOrigin-Name: ae6876521819e7a8ce473c8f96617cba35e2156d

10 years agoFix harmless compiler warnings.
drh [Mon, 15 Jun 2015 14:43:25 +0000 (14:43 +0000)] 
Fix harmless compiler warnings.

FossilOrigin-Name: b0badb99023e23bef0e2064cec58f2b279af0c0b

10 years agoImproved detection of database corruption in freeSpace().
drh [Mon, 15 Jun 2015 12:58:15 +0000 (12:58 +0000)] 
Improved detection of database corruption in freeSpace().

FossilOrigin-Name: 29bcb56887f862a1f06677a7b4bfae6475d29732

10 years agoComment typo fix. No code changes.
drh [Mon, 15 Jun 2015 10:49:01 +0000 (10:49 +0000)] 
Comment typo fix.  No code changes.

FossilOrigin-Name: 17f185adb960b1fa4faa13cdf685b92a20a52072

10 years agoOmit mutex calls in pcache1 when the mutex is NULL, for a significant
drh [Sat, 13 Jun 2015 11:19:47 +0000 (11:19 +0000)] 
Omit mutex calls in pcache1 when the mutex is NULL, for a significant
performance improvement.

FossilOrigin-Name: caf8f574e5c64da461c6dfba8a06cf3fb18aaa42

10 years agoAvoid unnecessary mutex usage in pcache1, for a significant speedup. faster-pcache1-fetch
drh [Sat, 13 Jun 2015 11:10:55 +0000 (11:10 +0000)] 
Avoid unnecessary mutex usage in pcache1, for a significant speedup.

FossilOrigin-Name: dcf4fb8d764611de60afea27cda0a8548ba7ca82

10 years agoAdd a fast-path implementation of pcache1Fetch() for the common case of
drh [Fri, 12 Jun 2015 13:49:26 +0000 (13:49 +0000)] 
Add a fast-path implementation of pcache1Fetch() for the common case of
separate caches that do not use a mutex.

FossilOrigin-Name: 760700edb3ff1f5d6bf3058f874cc8e2808905c7

10 years agoMinor performance optimization in pcache1.c.
drh [Fri, 12 Jun 2015 13:04:51 +0000 (13:04 +0000)] 
Minor performance optimization in pcache1.c.

FossilOrigin-Name: 2e8ad2ead9d146e312c693d9b967bbd5b92429d9

10 years agoAdd the OP_ColumnsUsed opcode (when compiled with
drh [Fri, 12 Jun 2015 12:54:15 +0000 (12:54 +0000)] 
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

10 years agoRemove stray outputs from the test suite.
drh [Thu, 11 Jun 2015 14:19:05 +0000 (14:19 +0000)] 
Remove stray outputs from the test suite.

FossilOrigin-Name: afc6db9b105f32110112b877f06091757888a5f2

10 years agoWhen generating code for partial indexes, be sure not to modify the
drh [Thu, 11 Jun 2015 13:58:35 +0000 (13:58 +0000)] 
When generating code for partial indexes, be sure not to modify the
index condition expression in the schema.

FossilOrigin-Name: e63d01c69c3e50f49ee3022a519c4f3e91f00520

10 years agoMore test output refinements. testerOutput
mistachkin [Wed, 10 Jun 2015 23:02:38 +0000 (23:02 +0000)] 
More test output refinements.

FossilOrigin-Name: e64a5681793238fa04fe3636f48d34b2dd36cdfa

10 years agoRemove possibly stray output from various tests.
mistachkin [Wed, 10 Jun 2015 22:51:02 +0000 (22:51 +0000)] 
Remove possibly stray output from various tests.

FossilOrigin-Name: f38e0be56fc086a3ce08134ade83ab61c9fca106

10 years agoFix minor typo in the quicktest MSVC makefile target.
mistachkin [Wed, 10 Jun 2015 22:03:40 +0000 (22:03 +0000)] 
Fix minor typo in the quicktest MSVC makefile target.

FossilOrigin-Name: 75b65f9d49daaf48e97042cb82ea554e2ec74eec

10 years ago"test" targets on all makefiles use --verbose=file --output=test-out.txt.
drh [Wed, 10 Jun 2015 18:53:09 +0000 (18:53 +0000)] 
"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

10 years agoAvoid passing constraints that are unusable due to LEFT or CROSS joins to virtual...
dan [Wed, 10 Jun 2015 14:27:40 +0000 (14:27 +0000)] 
Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods.

FossilOrigin-Name: 7b446771cadedafbe8924ad0658adc2597816dc7

10 years agoAdd the --output=$file and --verbose=(0|1|file) options to tester.tcl.
dan [Tue, 9 Jun 2015 15:58:28 +0000 (15:58 +0000)] 
Add the --output=$file and --verbose=(0|1|file) options to tester.tcl.

FossilOrigin-Name: f7b2c70362f10ee0347c1d2318918ffefa53243d

10 years agoRemove some repeated lines of source code. Probably introduced by careless cut'n... vtab-left-join
dan [Tue, 9 Jun 2015 10:58:51 +0000 (10:58 +0000)] 
Remove some repeated lines of source code. Probably introduced by careless cut'n'pasting.

FossilOrigin-Name: a34cd71c8aafaece04a2332a127e9b8e99c1403c

10 years agoAdd the valgrindfuzz target to unix makefile.
drh [Mon, 8 Jun 2015 19:15:50 +0000 (19:15 +0000)] 
Add the valgrindfuzz target to unix makefile.

FossilOrigin-Name: e62aed01f1a6dbc12d6e21386c1671eb640b8d49

10 years agoIf a query contains "FROM t1 LEFT JOIN t2, t3, t4", ensure that tables t3 and t4...
dan [Mon, 8 Jun 2015 18:48:29 +0000 (18:48 +0000)] 
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

10 years agoAvoid passing constraints that are unusable due to LEFT or CROSS joins to virtual...
dan [Mon, 8 Jun 2015 18:05:54 +0000 (18:05 +0000)] 
Avoid passing constraints that are unusable due to LEFT or CROSS joins to virtual table xBestIndex() methods.

FossilOrigin-Name: 80ee56dda7db3860f8be5f6968c8745138f8453f

10 years agoFix typo in comment. No changes to code.
mistachkin [Mon, 8 Jun 2015 17:42:57 +0000 (17:42 +0000)] 
Fix typo in comment.  No changes to code.

FossilOrigin-Name: e49c291735e613e384f6da044ef865dd274cabc8

10 years agoSplit out some source code into new files: wherecode.c, whereexpr.c, and
drh [Mon, 8 Jun 2015 17:40:30 +0000 (17:40 +0000)] 
Split out some source code into new files: wherecode.c, whereexpr.c, and
treeview.c.  Other minor refactoring changes.

FossilOrigin-Name: 50f336818c8509d8b8bde282e9399d2b2b5ea70a

10 years agoFactor out the TreeView parse tree printing module into a separate file.
drh [Mon, 8 Jun 2015 15:08:15 +0000 (15:08 +0000)] 
Factor out the TreeView parse tree printing module into a separate file.

FossilOrigin-Name: c32ce54ca46a4be4373983be6fd44b1f3a0250d1

10 years agoSplit more subfunctions of where.c out into a new whereexpr.c source file,
drh [Mon, 8 Jun 2015 14:23:15 +0000 (14:23 +0000)] 
Split more subfunctions of where.c out into a new whereexpr.c source file,
for improved maintainability.

FossilOrigin-Name: 46ef95c108ad8961f2bf3d2dc839d4fb1fddd770

10 years agoSplit out the bulk of the actual VDBE code generation logic from where.c
drh [Sat, 6 Jun 2015 20:12:09 +0000 (20:12 +0000)] 
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

10 years agoCode simplifications in select.c and where.c.
drh [Sat, 6 Jun 2015 18:30:17 +0000 (18:30 +0000)] 
Code simplifications in select.c and where.c.

FossilOrigin-Name: 4f20ac90bce8bd7ba43ef59af5cc4ef7aa282fe8

10 years agoMinor cleanup of the sqlite3Select() procedure.
drh [Sat, 6 Jun 2015 00:18:01 +0000 (00:18 +0000)] 
Minor cleanup of the sqlite3Select() procedure.

FossilOrigin-Name: f4c90d06bb941453d8110680c7b279e471e8f034

10 years agoSplit FROM-clause subquery flattening and code generation into separate loops.
drh [Fri, 5 Jun 2015 22:33:39 +0000 (22:33 +0000)] 
Split FROM-clause subquery flattening and code generation into separate loops.

FossilOrigin-Name: be8e3fc70e4c13b28b07985df3457960f58ffddd

10 years agoProvide one final Select tree dump prior to WHERE clause analysis
drh [Fri, 5 Jun 2015 20:27:26 +0000 (20:27 +0000)] 
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

10 years agoAdd a new opcode to the VDBE that gives the b-tree a hint about the set column-usage-hint
drh [Fri, 5 Jun 2015 15:59:57 +0000 (15:59 +0000)] 
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

10 years agoChange the name of SrcList.a[].zIndex to the more descriptive
drh [Thu, 4 Jun 2015 12:08:53 +0000 (12:08 +0000)] 
Change the name of SrcList.a[].zIndex to the more descriptive
SrcList.a[0].zIndexedBy.

FossilOrigin-Name: 6a9cf063379118dbb95c6cdc6d60af50e9867177

10 years agoAlways check for cell overflow before returning a slot from the
drh [Tue, 2 Jun 2015 19:36:29 +0000 (19:36 +0000)] 
Always check for cell overflow before returning a slot from the
pageFindSlot routine in btree.c.

FossilOrigin-Name: 9f035c45a4b84203e67b6e1b23cf11691dc43f1e

10 years agoFor FROM-clause subqueries that cannot be flattened, try to push relevant
drh [Tue, 2 Jun 2015 18:09:18 +0000 (18:09 +0000)] 
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

10 years agoAdd test cases for type affinity rules.
drh [Tue, 2 Jun 2015 17:25:05 +0000 (17:25 +0000)] 
Add test cases for type affinity rules.

FossilOrigin-Name: 9678646d9a14ba283a83839be329599a676a537a

10 years agoRename SQLITE_AFF_NONE to SQLITE_AFF_BLOB to avoid confusion with
drh [Tue, 2 Jun 2015 16:19:56 +0000 (16:19 +0000)] 
Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB to avoid confusion with
"no affinity".

FossilOrigin-Name: 29ad9e917330969810ac1bc685bba4282401bdae

10 years agoRename SQLITE_AFF_NONE to SQLITE_AFF_BLOB. blob-affinity-rename
drh [Tue, 2 Jun 2015 15:32:08 +0000 (15:32 +0000)] 
Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB.

FossilOrigin-Name: bce3f04186cd2d69414a5a98b5b77dc8f060554a

10 years agoFix a faulty assert() in btree.c. Update the database fuzz test file with
drh [Tue, 2 Jun 2015 14:02:18 +0000 (14:02 +0000)] 
Fix a faulty assert() in btree.c.  Update the database fuzz test file with
new test cases.

FossilOrigin-Name: 4e621af1345a001360938de76e3b0a14deb5e991

10 years agoFor FROM-clause subqueries that cannot be flattened, try to push WHERE clause subquery-opt
drh [Mon, 1 Jun 2015 20:28:03 +0000 (20:28 +0000)] 
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

10 years agoCorrections to comments in expr.c. No code changes.
drh [Mon, 1 Jun 2015 18:13:16 +0000 (18:13 +0000)] 
Corrections to comments in expr.c.  No code changes.

FossilOrigin-Name: f925389eaf5bf8962a28fcaa652b75caa606efba

10 years agoTypo fixes and additional background information in README.md.
drh [Mon, 1 Jun 2015 11:10:39 +0000 (11:10 +0000)] 
Typo fixes and additional background information in README.md.

FossilOrigin-Name: 9b8e5823bccf69f5cdedd8655e75df6e9718b809

10 years agoUpdates to configure.ac to help it find where the TCL libraries hidden
drh [Sat, 30 May 2015 22:57:49 +0000 (22:57 +0000)] 
Updates to configure.ac to help it find where the TCL libraries hidden
on Ubuntu 14.04.

FossilOrigin-Name: c864ff912db8bc0a3c3ecc1ceac61a25332e76c5

10 years agoFix minor typo in comment. No changes to code.
mistachkin [Sat, 30 May 2015 22:05:17 +0000 (22:05 +0000)] 
Fix minor typo in comment.  No changes to code.

FossilOrigin-Name: 73fc058b3a74c1b018cff990de793f19a602c12f

10 years agoEnsure that allocateBtreePage() always clears the MemPage pointer when
drh [Fri, 29 May 2015 18:42:11 +0000 (18:42 +0000)] 
Ensure that allocateBtreePage() always clears the MemPage pointer when
it fails due to an I/O or memory allocation error.

FossilOrigin-Name: 09a38bf665902834936d39341627ded88142e6ae

10 years agoMove two unreachable conditionals inside of NEVER() or assert().
drh [Fri, 29 May 2015 17:51:16 +0000 (17:51 +0000)] 
Move two unreachable conditionals inside of NEVER() or assert().

FossilOrigin-Name: db4e9728fae5f7b0fad6aa0a5be317a7c9e7c417

10 years agoRemove a corruption test in balance_nonroot that is superceded by a prior
drh [Fri, 29 May 2015 17:13:14 +0000 (17:13 +0000)] 
Remove a corruption test in balance_nonroot that is superceded by a prior
better check.

FossilOrigin-Name: 00693682d8664fa608ba43684f6376a9bd5b84eb

10 years agoOmit the rowallock.test script (Read-Only WAL lock) from the
drh [Fri, 29 May 2015 15:15:40 +0000 (15:15 +0000)] 
Omit the rowallock.test script (Read-Only WAL lock) from the
inmemory_journal permutation.

FossilOrigin-Name: d21db3308996510ffc3c869c2ac093de70d03412

10 years agoAdd support for automatic indexes on FROM-clause subqueries that are
drh [Fri, 29 May 2015 14:47:18 +0000 (14:47 +0000)] 
Add support for automatic indexes on FROM-clause subqueries that are
implemented via co-routine.

FossilOrigin-Name: 020b8b106fc8f840f6b506e1c9c3bc75676daec3

10 years agoAdd some extra source-code comments and a test case. coroutine-autoindex
drh [Fri, 29 May 2015 14:36:30 +0000 (14:36 +0000)] 
Add some extra source-code comments and a test case.

FossilOrigin-Name: 6d410442fb532e2cf0ad1859bc9e843651f8ff4d

10 years agoAn attempt to allow automatic index creation on subqueries accessed via
drh [Fri, 29 May 2015 13:55:33 +0000 (13:55 +0000)] 
An attempt to allow automatic index creation on subqueries accessed via
co-routine.

FossilOrigin-Name: 521345add67e9dfd7df1446eb942aa0d84b9e6eb

10 years agoUsing "SELECT ALL" instead of just "SELECT" on a query that uses a single
drh [Fri, 29 May 2015 01:35:19 +0000 (01:35 +0000)] 
Using "SELECT ALL" instead of just "SELECT" on a query that uses a single
unflattenable subquery or view in its FROM clause will force the subquery to
be manifested into a temporary table rather than run incrementally using a
co-routine.  This is a stop-gap means of controlling the decision to manifest
while we try to work out a better to make that decision automatically.

FossilOrigin-Name: a29e117d7ecec05da949348689dbfb0d3acb1280

10 years agoAdded comments and testcase() macros to error cases in the btree search.
drh [Thu, 28 May 2015 15:14:32 +0000 (15:14 +0000)] 
Added comments and testcase() macros to error cases in the btree search.

FossilOrigin-Name: 7da7dc714bf1fe34b38fc33a923490dfd3e4f070

10 years agoEarlier detection of incompatible sibling pages in balance_nonroot.
drh [Thu, 28 May 2015 11:23:11 +0000 (11:23 +0000)] 
Earlier detection of incompatible sibling pages in balance_nonroot.

FossilOrigin-Name: 60a09f17d8b70dbc4b020586a1b81bce76882729

10 years agoAdd new test cases to the fuzzdata3.db set of database fuzz tests.
drh [Thu, 28 May 2015 03:45:03 +0000 (03:45 +0000)] 
Add new test cases to the fuzzdata3.db set of database fuzz tests.

FossilOrigin-Name: 467b13a40171dd8462dc11d05bb1e9cb588e6a23

10 years agoAdd the btreeGetUnusedPage() routine to btree.c, and use it to detect content
drh [Thu, 28 May 2015 03:28:27 +0000 (03:28 +0000)] 
Add the btreeGetUnusedPage() routine to btree.c, and use it to detect content
pages on the freelist and to cause that condition to trigger an SQLITE_CORRUPT.

FossilOrigin-Name: fe15d1f70360d6fef8ef1a111dd43e060d059623

10 years agoDo not attempt to take any write lock on a read-only database on Windows.
drh [Thu, 28 May 2015 00:54:35 +0000 (00:54 +0000)] 
Do not attempt to take any write lock on a read-only database on Windows.

FossilOrigin-Name: a47ff0cdab0f82398c68ea770053f193f4812a51

10 years agoThe fuzzoomtest makefile target is no longer supported, so update
drh [Wed, 27 May 2015 19:35:08 +0000 (19:35 +0000)] 
The fuzzoomtest makefile target is no longer supported, so update
releasetest.tcl accordingly.

FossilOrigin-Name: 06959d4ada53b765cae4b192a691fced4b8aebbb

10 years agoFix a minor and harmless memory leak in fuzzcheck. Adjust the makefiles
drh [Wed, 27 May 2015 18:19:50 +0000 (18:19 +0000)] 
Fix a minor and harmless memory leak in fuzzcheck.  Adjust the makefiles
to run fuzzcheck with --quiet on valgrind tests.

FossilOrigin-Name: 8bfe834432b37f94779da6c71fc369651f024590

10 years agoAll bytes of a page are initialized, even bytes that follow a 2-byte cell
drh [Wed, 27 May 2015 18:13:35 +0000 (18:13 +0000)] 
All bytes of a page are initialized, even bytes that follow a 2-byte cell
on a malformed page.

FossilOrigin-Name: 7373a004ed0e2781cda503c73e9a94f24350ef79

10 years agoA different approach to preventing buffer overreads when comparing a vector
drh [Wed, 27 May 2015 15:42:53 +0000 (15:42 +0000)] 
A different approach to preventing buffer overreads when comparing a vector
of values with a corrupt index record that spans at least one overflow page.

FossilOrigin-Name: 95eaa49f4ee071c7a0f690a695f1f2d1ebca68a8

10 years agoDisallow the use of "rowid" in CTEs - it has never worked correctly and it
drh [Wed, 27 May 2015 15:10:20 +0000 (15:10 +0000)] 
Disallow the use of "rowid" in CTEs - it has never worked correctly and it
makes no sense, so we might as well make it an explicit error.
Also: add the PRAGMA cell_size_check=ON command.

FossilOrigin-Name: 19e2cebc12aaa4e72d3bad74af73575a0457e5d4

10 years agoA different approach to preventing buffer overreads when comparing a vector of values... avoid-buffer-overread
dan [Wed, 27 May 2015 14:21:05 +0000 (14:21 +0000)] 
A different approach to preventing buffer overreads when comparing a vector of values with a corrupt index record that spans at least one overflow page.

FossilOrigin-Name: 7e9e1b6123bc455dd7d1c894b6154ccd27acec18

10 years agoCTEs have never add working rowids. So disallow the use of the "rowid" column no-rowid-in-cte
drh [Wed, 27 May 2015 13:06:55 +0000 (13:06 +0000)] 
CTEs have never add working rowids.  So disallow the use of the "rowid" column
within CTEs.

FossilOrigin-Name: 0055df0445932a43e42b318ef88672dcbe312c3a

10 years agoAdd the "PRAGMA cell_size_check=ON" command. cell-size-check-pragma
drh [Wed, 27 May 2015 03:46:18 +0000 (03:46 +0000)] 
Add the "PRAGMA cell_size_check=ON" command.

FossilOrigin-Name: 2ead43f074d01312c7642e1df9abccc95547f019

10 years agoAvoid a buffer overread when comparing against a corrupt record that spans at least...
dan [Tue, 26 May 2015 20:31:20 +0000 (20:31 +0000)] 
Avoid a buffer overread when comparing against a corrupt record that spans at least one overflow page.

FossilOrigin-Name: 62a5b3633a086694ef0e579a0a82322cb1ae3d60

10 years agoAvoid branching on an uninitalized variable when comparing SQL values with the undefi...
dan [Tue, 26 May 2015 20:07:32 +0000 (20:07 +0000)] 
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

10 years agoThe "make fuzztest" target now uses fuzzcheck instead of fuzzershell. Test
drh [Tue, 26 May 2015 19:08:14 +0000 (19:08 +0000)] 
The "make fuzztest" target now uses fuzzcheck instead of fuzzershell.  Test
data is added for database fuzz testing.

FossilOrigin-Name: 5e3e410bf49a29efbf9ff3ef048e158804ca0027

10 years agoMerge accidental fork. test-using-fuzzcheck
dan [Tue, 26 May 2015 19:01:36 +0000 (19:01 +0000)] 
Merge accidental fork.

FossilOrigin-Name: e85628e34ac684b8a23f49eee71e4d6546e0ef64

10 years agoFix a one-byte buffer overread that may follow a syntax error while preparing an...
dan [Tue, 26 May 2015 18:58:57 +0000 (18:58 +0000)] 
Fix a one-byte buffer overread that may follow a syntax error while preparing an SQL statement.

FossilOrigin-Name: 075003930da98419f671b7833a5850693529fb62

10 years agoFix fuzzcheck so that it responds correctly to the TEST_FAILURE environment
drh [Tue, 26 May 2015 18:58:32 +0000 (18:58 +0000)] 
Fix fuzzcheck so that it responds correctly to the TEST_FAILURE environment
variable.

FossilOrigin-Name: 76770c9e061e2eb106d7ea402eef888b98ba9d0e