4e9119d9e8
Add code to handle non-recursive CTEs in the same way as SQL views.
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FossilOrigin-Name: a26f399ba485e8127c276c5f103ec6c555e11734
2014-01-13 15:12:23 +00:00
7d562dbe02
Update the parser so that sub-queries and CTEs may have WITH clauses.
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FossilOrigin-Name: 704d3931b855562a619769955969d439c42ca406
2014-01-11 19:19:36 +00:00
8b4718636c
Parse common table expressions. But do not do anything with them (yet).
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FossilOrigin-Name: da98b7205eb3d7ec2ddbf8a8e24eee0b2ff499a5
2014-01-11 13:22:17 +00:00
f59b12fbc1
Optimizations to the SQL language grammar that result in a small size
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reduction and speed increase.
FossilOrigin-Name: cb5d1f83e0a33d546d4c0cb817ef1f8440d1f738
2014-01-11 03:54:05 +00:00
144ffe7bfb
Remove unused structure definition from parse.y.
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FossilOrigin-Name: 7f1e7ae313c7625ef2623d78883dce776eecca30
2014-01-10 20:51:16 +00:00
75593d96be
Allow a VALUES clause to be used any place that a SELECT statement can be
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used.
FossilOrigin-Name: c9ea7d199f06a7801ab639e7ac98ebeb98706f24
2014-01-10 20:46:55 +00:00
c740752470
Fix CREATE TABLE ... AS so that it works with column names that are empty
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strings.
FossilOrigin-Name: 632045f21c553e10f59a14c772d50d7824ca0c2c
2014-01-10 20:38:12 +00:00
9871c59a2d
Fix another harmless compiler warning in unixUnfetch().
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FossilOrigin-Name: 0484549bb82ca5246488330c8d266e429ccd19b9
2014-01-10 16:40:21 +00:00
1bcbc621df
Fix harmless compiler warning in unixUnfetch().
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FossilOrigin-Name: 618f248f4ea9fb0b6ff019a4c2cd72857389301f
2014-01-09 13:39:07 +00:00
b66e21fda5
Fix an typo that breaks the build when SQLITE_ENABLE_TREE_EXPLAIN is defined.
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FossilOrigin-Name: f461e2b3973d0fe6a7b8cb7a3aaab8a30b3e16c0
2014-01-04 20:00:14 +00:00
1c2c0b776f
Avoid redundant register loads during index key generation when doing a
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DELETE or INTEGRITY_CHECK on a table with multiple indices.
FossilOrigin-Name: 8f6e6149a165f516be6395fd753e163d52ffd52e
2014-01-04 19:27:05 +00:00
61019c7883
Omit OP_Close operations that occur immediately prior to OP_Halt and which
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cannot be jumped over.
FossilOrigin-Name: 874b7e9999811c288ad41d07709f88e458d2d497
2014-01-04 16:49:02 +00:00
54e2adb5f3
Improvements to the column-cache for nested AND/OR operators.
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FossilOrigin-Name: 4e725f53131d3584319c710c8710a068989543c6
2014-01-04 15:17:04 +00:00
5426d80948
Avoid some unnecessary OP_SCopy operations when inserting into a table
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with multiple indices.
FossilOrigin-Name: 429018b19cb525a4bb0843d20955457b53900d4b
2014-01-03 16:03:43 +00:00
759e858811
Try to factor constant subcomponents of the WHERE clause out of the loop.
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FossilOrigin-Name: 9d05777fe24e1a5ce71762de38db840931ef0bc8
2014-01-02 21:05:10 +00:00
762c1c4071
Avoid unnecessary affinity transformations when building indices using
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data from a table.
FossilOrigin-Name: 10d851353c2abeadbd2852c210a7ff9f7f513e5d
2014-01-02 19:35:30 +00:00
991a198511
Be more aggressive in optimizing constant conditional expressions.
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FossilOrigin-Name: b7e39851a75b87ebca747b26a39989560fd6362b
2014-01-02 17:57:16 +00:00
b00d862139
Try to detect process ID changes due to fork() calls in os_unix.c and
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reset the PRNG when a process ID change is detected.
FossilOrigin-Name: e1eba1fb09d7db49d77928bd115b27b8002ae640
2014-01-01 15:18:36 +00:00
fe98081e18
Enhance sqlite3_randomness(N,P) such that it resets the internal PRNG
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if N is less than 1. Subsequent calls to sqlite3_randomness() will reinitialize
the internal PRNG by calling the xRandomness() method of the default VFS.
FossilOrigin-Name: a221aa82bb5496885fd0bf76e4601443799511de
2014-01-01 14:00:13 +00:00
73d5b8f550
Move elements of the Vdbe object that are only used during statement
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preparation out into the Parse object.
FossilOrigin-Name: c289a253c0c053ac8fc344efe138262c327d8096
2013-12-23 19:09:07 +00:00
58c960816f
Remove a stray tab character.
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FossilOrigin-Name: 25b8a1c9ba77df3b7c78cbce922cb593d661696d
2013-12-23 11:33:32 +00:00
eaf4f523a5
Remove a condition that is always in the logic that handles reading
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default values for columns.
FossilOrigin-Name: 895af097e71749f423b63ece17c5a4b4dfcd164d
2013-12-22 22:45:14 +00:00
6c1de308f2
Make sure the WhereLoop.aLTerm[] array is large enough when processing
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the skip-scan optimization. Fix for ticket [520070ec7fbaac].
FossilOrigin-Name: 46d040591f27be01b1860344f8a268797fe344f4
2013-12-22 20:44:10 +00:00
685e3c481c
Avoid compiler warnings by only enabling sqlite3ErrName() when
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SQLITE_TEST is defined.
FossilOrigin-Name: 862228e50534a6b89c9498c4db664610db11485e
2013-12-21 17:07:13 +00:00
849a9d92ba
Fix the ".echo on" dot-command of the shell so that it echos comments in
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addition to SQL statements and dot-commands. Add the --explain option
to speedtest1 so that the output can be piped into the command-line shell
to show nicely-formated VDBE code for the entire test.
FossilOrigin-Name: 96397263f94256e284aae9506de1fc48fea89193
2013-12-21 15:46:06 +00:00
a47941fe42
Fix compiler harmless warnings in tclsqlite.c that appeared with GCC 4.8.x.
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FossilOrigin-Name: d93ae6833a7fca0672caf902a7b48846e54242cd
2013-12-20 18:57:44 +00:00
d42ef839bc
Code simplification in sqlite3GenerateIndexKey() by making use of a subroutine
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found over in expr.c.
FossilOrigin-Name: 0026d3355340d66687a3fd4cbece28811ef1b505
2013-12-20 18:44:35 +00:00
4eded604ea
Combine adjacent single-register OP_Copy instructions into a single
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multi-register OP_Copy, where possible. Fix the Synopsis comment for
multi-register OP_Copy instructions to show the correct register ranges.
FossilOrigin-Name: 2ae22dc0cbed2feca4baf89d02aaace0331971d6
2013-12-20 15:59:20 +00:00
aed1819875
Allow any arbitrary expression as the filename in an ATTACH statement,
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including functions and subqueries.
FossilOrigin-Name: df70a1f30393b34146d6b8bf1df5a76aaf362efe
2013-12-20 14:48:12 +00:00
7e61d18eb4
Simplify the accumulator reset for aggregate query processing so that it
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uses a single multi-register OP_Null rather than a separate OP_Null for each
register.
FossilOrigin-Name: 2c7fd9b043f5f3d9d8e22dbefa84a9770ca951d0
2013-12-20 13:11:45 +00:00
1001ee8819
Do not inject OOM faults into SQLITE_FCNTL_COMMIT_PHASE_TWO file-control invocations. It causes problems for test scripts.
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FossilOrigin-Name: 8eb28d23e353139d24a8af78309d39249ab9eaf0
2013-12-19 17:04:58 +00:00
f6b1a8e1a5
Make sure errors encountered while initializing extensions such as FTS4
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get reported out from sqlite3_open(). This fixes a bug introduced by
check-in [9d347f547e7ba9]. Also remove lots of forgotten "breakpoint"
commands left in test scripts over the years.
FossilOrigin-Name: ca3fdfd41961d8d3d1e39d20dc628e8a95dabb2f
2013-12-19 16:26:05 +00:00
a021f121c9
Remove an unneeded column-cache flush in aggregate SELECT
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and an unreachable branch in the INSERT logic.
FossilOrigin-Name: ffa092e13b3781677b18418cca40e3dd1e388aed
2013-12-19 14:34:34 +00:00
edfac3456e
Omit an unnecessary OP_Null opcode from UPDATE.
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FossilOrigin-Name: 72d111336c5016e5b5092dfebcd01253266a7685
2013-12-19 02:56:01 +00:00
46d03fcbfc
Omit one or more pointless instructions that occur in between OP_NoConflict
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and OP_Halt.
FossilOrigin-Name: 61e2f3575c4a94f9571c28fb2bd19da84b0edceb
2013-12-19 02:23:45 +00:00
039468ef2d
Remove an unnecessary column-cache flush. Add another test case to the
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speedtest1.c program to accentuate the benefit of not flushing the cache at
that point.
FossilOrigin-Name: 97fdfc6b79833011fc0c506fe5e0985c0fb1906c
2013-12-18 16:27:48 +00:00
9ac7962ace
Show changes to the column cache when PRAGMA vdbe_addoptrace=ON is set.
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FossilOrigin-Name: 4c6a659c432e4f7c0285f58675a67f967b07bb0d
2013-12-18 15:11:47 +00:00
fc6ee9df22
Fix the formatting of %c in the printf() SQL function.
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FossilOrigin-Name: 3375571a5e267744c19a7c310840256cec57a242
2013-12-17 15:58:42 +00:00
a5c1416d64
Add the printf() SQL function.
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FossilOrigin-Name: 6db7052eeefafdbf26b3153bc38600fecfb53ae6
2013-12-17 15:03:06 +00:00
4a8ee3dfe2
Allow the SQLITE_DETERMINISTIC flag to be ORed into the preferred text encoding
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of application-defined functions, to mark the function as deterministic.
FossilOrigin-Name: 5716fc2341ddd8cf64139e7168597f864da4e10b
2013-12-14 13:44:22 +00:00
5dee6afcac
Performance optimizations in the pager_write() routine of pager.c.
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FossilOrigin-Name: bc5febef921bd12ca7760e9d07d3be0e67140320
2013-12-13 20:45:50 +00:00
16f9a81125
Reduce the number of calls to the subjRequiresPage() routine inside of pager.
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FossilOrigin-Name: e50ff39a93a51b5a5be4f0e82a76104b81c9e2a4
2013-12-13 19:48:04 +00:00
da8a330a03
Create and use a new pager interface sqlite3PagerUnrefNotNull() that works
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just like sqlite3PagerUnref() but guarantees that its argument is not a
NULL pointer.
FossilOrigin-Name: e00f37e2333cac5b53e17cf764ab56c4fcd5f617
2013-12-13 19:35:21 +00:00
5d56dd2867
Enhance the pcache1PinPage() routine so that it called much less often and
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runs much faster in the cases when it is actually called.
FossilOrigin-Name: a845779cd31aec3204a6a9c776bd9c9f7d47dd24
2013-12-13 18:50:40 +00:00
40f22bed06
Avoid unnecessary calls to sqlite3_free() from within sqlite3VXPrintf().
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FossilOrigin-Name: e2a8b280e84c1f8fd6106d9427e1ad6cbcfccd10
2013-12-13 16:42:18 +00:00
a3cc007df4
Simplication and optimization of error message handling.
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FossilOrigin-Name: 9d347f547e7ba9590b0c68edf50a14ad94a2bb92
2013-12-13 16:23:55 +00:00
a5f40593be
Add the SQLITE_FCNTL_SYNC and SQLITE_FCNTL_COMMIT_PHASETWO file-controls
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and have the pager call them at appropriate times. This is needed in order
to enable ZIPVFS to do multi-file atomic commits.
FossilOrigin-Name: 552f94d50f08cf11f33205730fde52bc2f06cff6
2013-12-11 15:47:39 +00:00
07c5d0a901
Merge in the latest trunk changes.
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FossilOrigin-Name: 9ff4dfe1e36b40e386858b03f36cfab8f6806fdd
2013-12-11 14:17:06 +00:00
a81ad1758c
Fix a bug in the shell ".import" command: Do not end the field
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when an escaped double-quote occurs at the end of a CRNL line.
FossilOrigin-Name: 5e239ecda0f7835ce037b38b04627a574b5854cd
2013-12-11 14:00:04 +00:00
39325bac1b
Remove an unreachable conditional inserted by the previous check-in.
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FossilOrigin-Name: 3e1d55f0bd84810a035bd6c54583eb373784a9a3
2013-12-11 12:02:55 +00:00
dan