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1fe3c4b526
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11870 Commits

Author SHA1 Message Date
dan
1fe3c4b526 Add extra test cases. No changes to code. 
FossilOrigin-Name: d38d485e581dab99a3ee6b348da8ddaf9b379ff2
 2014-01-18 15:59:35 +00:00
drh
75303a2c68 Add asserts() for a couple of unreachable conditions. Add the Mandelbrot Set 
query as a test case.

FossilOrigin-Name: 2ad4583c0cc7988f0dfe78fd0a2eb0fdb92d835a
 2014-01-18 15:22:53 +00:00
dan
ebbf08a012 Avoid spurious "no such table" errors in statements of the form "INSERT INTO tbl WITH xxx AS (...) SELECT * FROM xxx". 
FossilOrigin-Name: cccff8a0b427feb05cc8952a765b829e731394fd
 2014-01-18 08:27:02 +00:00
dan
7c82932723 Add extra tests to with2.test. 
FossilOrigin-Name: eecc325afd72e37d7d565787c8cea68aad6d7a5c
 2014-01-17 20:36:17 +00:00
drh
c59731c4ae Minor simplification of error message text for a couple of errors associated 
with WITH clause processing.

FossilOrigin-Name: 2031004d960526d6426d50d7b732f37b281534e2
 2014-01-17 18:34:28 +00:00
dan
98f45e53a7 Resolve table names within CTEs in the context in which the CTE is declared, not the context in which it is used. 
FossilOrigin-Name: a7323838bbd354a1c2f339e5e0f164f0eada47b3
 2014-01-17 17:40:46 +00:00
drh
a026b98500 Add tests that verify that keywords WITH, WITHOUT, and RECURSIVE can still 
be used as table and column names.

FossilOrigin-Name: 9ca18a0191db6a9b0763e2f0b3b35d23099fb71b
 2014-01-17 16:19:01 +00:00
drh
6785bcca58 Fix a compiler warning in selectPopWith(). 
FossilOrigin-Name: c8eb11635a356182611ce2ccb8f358b6c453486e
 2014-01-17 15:27:00 +00:00
dan
718569443d Add support for common table expressions (WITH clauses). 
FossilOrigin-Name: 0171e3bb4f663a9414b0e8b64c87b5d0683855b5
 2014-01-17 15:15:10 +00:00
dan
b290f11775 Fix some problems to do with WITH clauses and name resolution. 
FossilOrigin-Name: 6a549187ed8b5ed50daefa676ff666ae2ed43346
 2014-01-17 14:59:27 +00:00
dan
2d4dc5fc60 Remove some code from resolve.c that was only required for recursive cte references in sub-queries. Also a stray "finish_test" command in pagerfault.test. 
FossilOrigin-Name: f68c6c4d36481526a9348244adc571ea282dc9eb
 2014-01-17 11:48:24 +00:00
drh
65a2aaa633 Add the ability for the authorizer callback to disallow recursive 
queries.

FossilOrigin-Name: 9efc120a1548c03f3d8aabbadf1050ff2a119c31
 2014-01-16 22:40:02 +00:00
drh
727a99f1e3 Tweaks to error message text. 
FossilOrigin-Name: 090a77d97808b86d1e9f5c63c743a2b159a15f5d
 2014-01-16 21:59:51 +00:00
dan
f2655fe8b6 Improve the error messages used to report illegal recursive cte references. 
FossilOrigin-Name: 54eee9fe99290e59469bd3e1a66bb749887d37ee
 2014-01-16 21:02:02 +00:00
dan
eae73fbfb9 Allow only a single recursive reference in a recursive CTE. Also require that this reference is not part of a sub-query. 
FossilOrigin-Name: a296b73360d34c9364eceb2cc09a9a92adc4abb8
 2014-01-16 18:34:33 +00:00
drh
6ade453cd8 Always use available indices to optimize LIKE operators even if the pattern 
of the LIKE operator has a COLLATE modifier.  This fixes an ineffiency that
was introduced into 3.7.15 by check-in [8542e6180d4] on 2012-12-08.

FossilOrigin-Name: 16bd54783a3f5531c55564ddefdada657c078eb0
 2014-01-16 15:31:41 +00:00
dan
8290c2ad5a Disable the flattening optimization if the parent query is the recursive part of a recursive CTE and the sub-query is a compound query. 
FossilOrigin-Name: 6bfa387e82de47ca1f40225fe28d873e29d6f481
 2014-01-16 10:58:39 +00:00
drh
7b19f25247 Merge trunk changes. Fix a possible NULL-pointer deference in WITH clause 
name resolution.

FossilOrigin-Name: 7f953b568baa3eede0b9c144be0b9bc86496341a
 2014-01-16 04:37:13 +00:00
drh
93c36bb399 Remove an ALWAYS() that is no longer always true. 
FossilOrigin-Name: c95823cd451f7721174393817a801403647467db
 2014-01-15 20:10:15 +00:00
dan
eede6a538d Fixes so that SQLITE_OMIT_CTE builds work. 
FossilOrigin-Name: 3908e2ea2e7e5f466cbbbffdc27e0fe8dc9751ac
 2014-01-15 19:42:23 +00:00
drh
c49832c208 Further comments on WITH-clause processing routines in select.c. 
FossilOrigin-Name: c948384dfdd9f68a832d5a452af44f35337f66e7
 2014-01-15 18:35:52 +00:00
drh
60c1a2f0b5 Add a header comment to the searchWith() routine. 
FossilOrigin-Name: d9ae0f5d9f8230ca7ca10ebed300e2f6635a0614
 2014-01-15 18:23:00 +00:00
dan
62ba4e418d Disable automatic indices on recursive CTE references. 
FossilOrigin-Name: 28aa6db8c878655255dbfb618f8d65be78e3d7e5
 2014-01-15 18:21:41 +00:00
dan
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. 
FossilOrigin-Name: 61be2da0ae623c1572819481508b044e9d32f294
 2014-01-15 18:12:00 +00:00
dan
60e7068d75 Return an error if a CTE specifies a different number of columns than its SELECT statement returns. 
FossilOrigin-Name: 9a514b50e4b01f109fbdb0aabcbfe1ddab129b44
 2014-01-15 15:27:51 +00:00
drh
a379b32f33 Don't try to verify the schema of transient table (such as generated inside 
a WITH clause) when generating code for "IN table" operators.

FossilOrigin-Name: 860aa936634a60d68e3954fc408a96a9260394e0
 2014-01-15 14:40:41 +00:00
dan
bfe31e7f80 Disable the flattening optimization if the sub-query is a recursive CTE. 
FossilOrigin-Name: 9472f6d820a7fb233936d9b8f7a39c9d4c4d6d73
 2014-01-15 14:17:31 +00:00
drh
f9db522fee Use the user-supplied table name in WITH RECURSIVE tables as the internal 
name of the table and the name of the table in VDBE comments.

FossilOrigin-Name: a29330238be6366444269a0b1b328475b2d01ae2
 2014-01-15 02:40:11 +00:00
dan
8ce7184bc2 Add code to handle recursive CTEs. 
FossilOrigin-Name: a5c2a54a07d35166911abc792008c05dea897742
 2014-01-14 20:14:09 +00:00
mistachkin
7a429658d7 Fix harmless compiler warning in LEMON. 
FossilOrigin-Name: f61a70589ac7e05008a362bd9d5b7bde5d07a758
 2014-01-14 10:17:21 +00:00
mistachkin
866b53eb5a For the Win32 VFS, defining winShmMutexHeld should be controlled by NDEBUG, not SQLITE_DEBUG. 
FossilOrigin-Name: 1e131094b522103a0829f72193b067b04e42ce82
 2014-01-14 10:17:02 +00:00
drh
c3d6ba49c6 In the command-line shell, defend against a NULL-pointer dereference in the 
case where sqlite3_column_name() returns NULL (as might happen following an
OOM error).

FossilOrigin-Name: ac15455abcb9bdb88b53129348668a1442f6899f
 2014-01-13 20:38:35 +00:00
drh
859bc542c6 For statements of just an unadorned VALUES clause, assign column names 
as "columnN" for increasing whole numbers N.

FossilOrigin-Name: 260587d2727f66d7fd65ef672ee46c92024f1d30
 2014-01-13 20:32:18 +00:00
dan
a9f5c13d0c Fix some memory leaks and crashes that could follow an OOM condition during WITH clause parsing. 
FossilOrigin-Name: 8839850c44a8938883e493eacd752fa686e542df
 2014-01-13 16:36:40 +00:00
dan
4e9119d9e8 Add code to handle non-recursive CTEs in the same way as SQL views. 
FossilOrigin-Name: a26f399ba485e8127c276c5f103ec6c555e11734
 2014-01-13 15:12:23 +00:00
dan
7d562dbe02 Update the parser so that sub-queries and CTEs may have WITH clauses. 
FossilOrigin-Name: 704d3931b855562a619769955969d439c42ca406
 2014-01-11 19:19:36 +00:00
drh
8b4718636c Parse common table expressions. But do not do anything with them (yet). 
FossilOrigin-Name: da98b7205eb3d7ec2ddbf8a8e24eee0b2ff499a5
 2014-01-11 13:22:17 +00:00
drh
03e1b1f5ff In LEMON, limit the size of the grammar file to 100MB. This ensures that 
the program will never experience integer overflow.  To be doubly sure,
use calloc() instead of malloc() when allocating arrays.

FossilOrigin-Name: 29ba458d849ad8864711cbe59fb10447a947e06a
 2014-01-11 12:52:25 +00:00
drh
f59b12fbc1 Optimizations to the SQL language grammar that result in a small size 
reduction and speed increase.

FossilOrigin-Name: cb5d1f83e0a33d546d4c0cb817ef1f8440d1f738
 2014-01-11 03:54:05 +00:00
drh
ecaa9d399c Add the "%token_class" directive to the LEMON parser generator. This opens up 
the possibility of simplifying the parser.  Also remove all calls to 
sprintf(), strcpy(), and strcat() from LEMON to avoid compiler warnings
on OpenBSD.  (Aside:  It is this change to avoid harmless compiler warnings
that was the cause of the reason spat of bugs.)

FossilOrigin-Name: 8eb48c04bd0a14031488b3160fde67307eb8b35d
 2014-01-11 03:27:37 +00:00
drh
61f92cd045 In LEMON, fix a bug in the text formatter introduced by the previous 
commit.  Also add the new "%token_class" directive for defining symbolic
names that stand any one of a collection of tokens.

FossilOrigin-Name: da7890ca6b1d8e511377a469047120220e8c3b2d
 2014-01-11 03:06:18 +00:00
drh
898799fa00 Do not use sprintf(), strcpy() or strcat() in the implementation of the 
lemon parser generator tool, to avoid compiler warnings in OpenBSD.

FossilOrigin-Name: e43c522dde01e134f1adc94f534d2b3eda74afc2
 2014-01-10 23:21:00 +00:00
drh
144ffe7bfb Remove unused structure definition from parse.y. 
FossilOrigin-Name: 7f1e7ae313c7625ef2623d78883dce776eecca30
 2014-01-10 20:51:16 +00:00
drh
75593d96be Allow a VALUES clause to be used any place that a SELECT statement can be 
used.

FossilOrigin-Name: c9ea7d199f06a7801ab639e7ac98ebeb98706f24
 2014-01-10 20:46:55 +00:00
drh
c740752470 Fix CREATE TABLE ... AS so that it works with column names that are empty 
strings.

FossilOrigin-Name: 632045f21c553e10f59a14c772d50d7824ca0c2c
 2014-01-10 20:38:12 +00:00
dan
9871c59a2d Fix another harmless compiler warning in unixUnfetch(). 
FossilOrigin-Name: 0484549bb82ca5246488330c8d266e429ccd19b9
 2014-01-10 16:40:21 +00:00
drh
1bcbc621df Fix harmless compiler warning in unixUnfetch(). 
FossilOrigin-Name: 618f248f4ea9fb0b6ff019a4c2cd72857389301f
 2014-01-09 13:39:07 +00:00
drh
b66e21fda5 Fix an typo that breaks the build when SQLITE_ENABLE_TREE_EXPLAIN is defined. 
FossilOrigin-Name: f461e2b3973d0fe6a7b8cb7a3aaab8a30b3e16c0
 2014-01-04 20:00:14 +00:00
dan
2e08486a08 Add the usual "fts3" prefix to new static method setEstimatedRows() in fts3.c. This fixes a problem when compiling the amalgamation, as the r-tree module also contains a static method named setEstimatedRows. 
FossilOrigin-Name: d6fcfc8890489b942e5b3f1bc271835d77c5ef96
 2014-01-04 19:58:29 +00:00
drh
1c2c0b776f Avoid redundant register loads during index key generation when doing a 
DELETE or INTEGRITY_CHECK on a table with multiple indices.

FossilOrigin-Name: 8f6e6149a165f516be6395fd753e163d52ffd52e
 2014-01-04 19:27:05 +00:00