688852ab15
Add logic to do test coverage measurements on the VDBE code.
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FossilOrigin-Name: ce184c7bb16988641d37c908d9b3042456d4be3d
2014-02-17 22:40:43 +00:00
57bf4a8eeb
Avoid unnecessary calls to applyAffinity() during INSERT and UPDATE
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operations, especially for table that have indices and tables for which
all columns have affinity "NONE".
FossilOrigin-Name: 35b4d6e938164fabaf30b504c54cfd9a69060cee
2014-02-17 14:59:22 +00:00
65acf373c9
Use the modern MinGW major version macro, not the deprecated one.
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FossilOrigin-Name: 057c16ee9786efcad6372a29b02d743ff3d628ff
2014-02-16 19:20:00 +00:00
05a86c5c0f
Enhance the code generator for INSERT INTO ... SELECT so that the SELECT
...
generates output directly in the registers that INSERT INTO will be using,
in many cases, and OP_SCopy operations can thus be avoided.
FossilOrigin-Name: aa2d8b0e8154dd2f5e2c837dc11ab362b083495b
2014-02-16 01:55:49 +00:00
a7b3b63524
Better support for MinGW 4.x.
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FossilOrigin-Name: e147230767383ed9f64085b613fd18508f74be21
2014-02-14 23:35:49 +00:00
d227a291b2
Use the WITH clause to help resolve names for SELECT statements on the left
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of a compound query. Proposed fix for ticket [31a19d11b97088296a].
FossilOrigin-Name: 67bfd59d9087a987f15f6148efa1ff104983e1fb
2014-02-09 18:02:09 +00:00
5f61229504
Do away with the "multi-register pseudo-table" abstration. Instead, just
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use an OP_SCopy to load results directory from the result registers of
the co-routine.
FossilOrigin-Name: 1e64dd782a126f48d78c43a664844a41d0e6334e
2014-02-08 23:20:32 +00:00
aceb31b120
Change the OP_Trace opcode to OP_Init and give it the ability to jump to the
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initialization code at the bottom of the program, thus avoiding the need for
an extra OP_Goto.
FossilOrigin-Name: 192dea97316144f15f6dd0eabff08a0bf9ef203e
2014-02-08 01:40:27 +00:00
dddf6978d2
Fix redundant definitions of _LARGE_FILE and _LARGEFILE_SOURCE.
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FossilOrigin-Name: 4043d879795bfad55af35e9cb48e0a42eb4087ae
2014-02-07 19:33:31 +00:00
ee06c99b49
Remove the SF_Materialize flag from the SELECT object as it does not
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accomplish anything useful.
FossilOrigin-Name: 65d5dcddbd34dfb2733a7a908c7c652ce2d610fe
2014-02-04 20:46:41 +00:00
7df89c8c8a
Rearrange fields in the Parse object for a tighter packing, resulting in
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an 8% size reduction on x64.
FossilOrigin-Name: 3e1a3f68d7457ff708222a3448404b593f018fc2
2014-02-04 15:55:25 +00:00
693e671936
Fixes for various clang warnings.
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FossilOrigin-Name: 87bf60637e5863c54c5e2d05aaaca0835b7aace8
2014-01-24 22:58:00 +00:00
fe1c6bb9c2
Get ORDER BY working for recursive queries.
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FossilOrigin-Name: 37b343b01841b338954ddfa9b76d92aa50037aec
2014-01-22 17:28:35 +00:00
781def29c7
Add new SelectDest codes, SRT_Queue and SRT_DistQueue in anticipation of adding
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ORDER BY support on recursive queries. Factor out the recursive query
code generator into a separate procedure.
FossilOrigin-Name: 3eb5f9f8d6ac1ee145cb4119087c516f66fe1456
2014-01-22 13:35:53 +00:00
340309fd69
Remove an unnecessary parameter from selectInnerLoop(). Clean up comments.
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FossilOrigin-Name: 5e6c4a55f6df30da9dbaa8170f3223613cc86f65
2014-01-22 00:23:49 +00:00
c25e2ebc01
Remove an unused #define and add an assert(), both associated with WITH logic.
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FossilOrigin-Name: a06235e0f6aa1e8fefa3f2873ee035eac9dac750
2014-01-20 14:58:55 +00:00
b290f11775
Fix some problems to do with WITH clauses and name resolution.
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FossilOrigin-Name: 6a549187ed8b5ed50daefa676ff666ae2ed43346
2014-01-17 14:59:27 +00:00
f2655fe8b6
Improve the error messages used to report illegal recursive cte references.
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FossilOrigin-Name: 54eee9fe99290e59469bd3e1a66bb749887d37ee
2014-01-16 21:02:02 +00:00
eae73fbfb9
Allow only a single recursive reference in a recursive CTE. Also require that this reference is not part of a sub-query.
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FossilOrigin-Name: a296b73360d34c9364eceb2cc09a9a92adc4abb8
2014-01-16 18:34:33 +00:00
eede6a538d
Fixes so that SQLITE_OMIT_CTE builds work.
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FossilOrigin-Name: 3908e2ea2e7e5f466cbbbffdc27e0fe8dc9751ac
2014-01-15 19:42:23 +00:00
c49832c208
Further comments on WITH-clause processing routines in select.c.
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FossilOrigin-Name: c948384dfdd9f68a832d5a452af44f35337f66e7
2014-01-15 18:35:52 +00:00
f43fe6e9f6
When resolving names, consider a reference to a recursive CTE column as equivalent to a reference to the outermost name-context. This ensures that correlated sub-queries are correctly identified as such.
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FossilOrigin-Name: 61be2da0ae623c1572819481508b044e9d32f294
2014-01-15 18:12:00 +00:00
8ce7184bc2
Add code to handle recursive CTEs.
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FossilOrigin-Name: a5c2a54a07d35166911abc792008c05dea897742
2014-01-14 20:14:09 +00:00
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
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
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
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
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
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
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
a5c1416d64
Add the printf() SQL function.
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FossilOrigin-Name: 6db7052eeefafdbf26b3153bc38600fecfb53ae6
2013-12-17 15:03:06 +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
a6353a3f64
Performance optimizations for sqlite3VXPrintf().
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FossilOrigin-Name: 9227ad48e1612b32a3a3e9551c49890f93abc0a7
2013-12-09 19:03:26 +00:00
b202366509
Change the name of the CORRUPTIBLE macro to CORRUPT_DB.
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FossilOrigin-Name: f865be10e85a4063394a21827db2d854fc25960c
2013-11-29 15:39:36 +00:00
09fe614372
Add a new sqlite3_test_control() that indicates that database files are
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always well-formed. Use this during testing to enable assert() statements
that prove conditions that are always true for well-formed databases.
FossilOrigin-Name: 15e4f63d1f3cbcd0aa789fd3e460cd6e4d3338f9
2013-11-29 15:06:27 +00:00
d673cddad6
Do not reuse factored constants that might have had their encodings changed.
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FossilOrigin-Name: 487f20366ce77f0c90865d10d5aaedd95af98694
2013-11-21 21:23:31 +00:00
d9f158e7b2
Fix the code generator to honor turning off constant expression factoring.
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FossilOrigin-Name: 882622662dfadf49c65c7d80b7fd87533d079ce9
2013-11-21 20:48:42 +00:00
d1a01edac9
When one or more arguments to a function are constants, try to factor
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out just those arguments into initialization code.
FossilOrigin-Name: 50d350abbc9176cd6fc606bc45b8fc3020719500
2013-11-21 16:08:52 +00:00
b1fba2868b
Add the ability to factor constant functions out of inner loops. But do
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not factor out non-constant functions, like random().
FossilOrigin-Name: 1b0f779e19a5c0d51eddd2d88db50034d77d132c
2013-11-21 14:33:48 +00:00
6a53499a20
Enhance the DELETE logic so that it can make use of WHERE_ONEPASS_DESIRED
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for rowid tables.
FossilOrigin-Name: 8f479a72758ab6fedb171ada612b1963143c32fa
2013-11-16 20:13:39 +00:00
c2acc4e466
Changes to make the new constant expression factoring logic more general
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and more testable.
FossilOrigin-Name: d10fb49a92f5f6e93093ae83544e5aec7984361a
2013-11-15 18:15:19 +00:00
10d1edf0b6
Improvements to the Expr comparison routine to make it more general.
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Improvements to unary-minus code generation so that it can make use of
a global constant register with a zero value.
FossilOrigin-Name: 835be656bb0e83c8108104869166aa9dd850d265
2013-11-15 15:52:39 +00:00
f30a969b80
Rework the logic that factors constant expressions out of inner loops, making
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it both simpler and faster.
FossilOrigin-Name: 8dc5c76c766828d7c28090bec30ff48227e7b140
2013-11-15 01:10:18 +00:00
84e55a80db
Add the "PRAGMA vdbe_eqp" command, only available with SQLITE_DEBUG. Simplify
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some of the other debugging logic.
FossilOrigin-Name: 8ce33f4c818e1c785a1c176f6f631b8184e1166b
2013-11-13 17:58:23 +00:00
392ee21d1a
Performance improvement: Avoid unnecessary seeks on REPLACE INTO for a
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WITHOUT ROWID table.
FossilOrigin-Name: fd11afa5f5c853dcac2290444b581a3fe1d4332d
2013-11-08 16:54:56 +00:00
fc8d4f96b4
Performance improvements:
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Avoid unnecessary seeks when doing a single-row UPDATE on a WITHOUT ROWID
table.
FossilOrigin-Name: 6f187a0fb1b09ebc4732c4afbf3c813f82e069f1
2013-11-08 15:19:46 +00:00
drh