33e619fc1c
Additional refinements to Expr handling. Restore compression of trigger
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expressions. Change Expr.zToken to Expr.u.zToken and added Expr.u.iValue.
Remove an unnecessary ExprDup from CHECK constraint processing. And so forth. (CVS 6682)
FossilOrigin-Name: 4ac2bdfbb4230b6ceaae87e738fa61036bbe03cb
2009-05-28 01:00:55 +00:00
b7916a78ff
Simplifications to the Expr object: Remove Expr.span completely and convert
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Expr.token into a char* Expr.zToken. Also simplify the Token object by
removing the Token.dyn and Token.quoted fields. (CVS 6681)
FossilOrigin-Name: 7cb1c3ba0759539cb035978fdaff6316775986f3
2009-05-27 10:31:29 +00:00
3500ed6650
Make sure the left-shift operator never overflows. (CVS 6605)
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FossilOrigin-Name: 300da30178c46ab9f2ceb0c3e3ee3eac73d5d8e1
2009-05-05 15:46:43 +00:00
24fb627afa
Record within the Token structure itself whether or not the token has
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been dequoted. This steals one bit from the length of a token and
thus limits the size of tokens to 1GiB. (CVS 6589)
FossilOrigin-Name: 12bcb03d9b9e1a31c1a3c67cbb4263cc0af2f3d0
2009-05-01 21:13:36 +00:00
e34c647ed0
Added some asserts and a check for a null pointer dereference. (CVS 6337)
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FossilOrigin-Name: 6b0cabd017ed25530b2d918d2c069fcbdd60a3f6
2009-03-05 04:23:47 +00:00
d742bb78f8
Fix a bug in the GROUP BY alias name resolution. The bug was by
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check-in (6305). Discovered by regression test on 64-bit linux.
Test cases added so that the problems is detected on 32-bit systems. (CVS 6332)
FossilOrigin-Name: fa0008502ec4f891bfed4a11f01650d274f95c44
2009-03-02 01:22:40 +00:00
2d2e7bd32e
Reverse commit (6315) for now. (CVS 6317)
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FossilOrigin-Name: 0e7c369c23a8767b4d3e5cdd47c14716992fb71a
2009-02-24 10:14:40 +00:00
e2d7b24d08
Scan an index instead of a table for "SELECT count(*) FROM <tbl>" queries. Because an index is usually smaller than a table on disk, this saves some IO. (CVS 6315)
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FossilOrigin-Name: 294ba6f743c9132dce0e73da480bd3c2071e7239
2009-02-23 17:33:49 +00:00
6ab3a2ec8a
Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305)
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FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4
2009-02-19 14:39:25 +00:00
ea6788322e
Never use strlen(). Use our own internal sqlite3Strlen30() which is
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guaranteed to never overflow an integer. Additional explicit casts to
avoid nuisance warning messages. (CVS 6007)
FossilOrigin-Name: c872d554930ecf221ac2be5f886d5d67bb35288c
2008-12-10 19:26:22 +00:00
b27b7f5d3b
More explicit type casting to silence VC++. (CVS 6006)
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FossilOrigin-Name: 14e6d19c3157ccdce170e769d678c7f472dd3db2
2008-12-10 18:03:45 +00:00
cd2b561302
Finish incomplete edit of resolve.c from check-in (5998). (CVS 6000)
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FossilOrigin-Name: 0d7e150e8c6cb801e68273c9d0793ce31d1f31fd
2008-12-09 14:03:22 +00:00
2bf90f1e64
A subquery in the result set of a SELECT should be able to look into outer
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queries to find variable references. But a subquery in the FROM clause
should not be able to do this. Ticket #3530 . (CVS 5998)
FossilOrigin-Name: be03fa0543044dc46952695e963d9b82afed892b
2008-12-09 13:04:29 +00:00
00e136135e
Modifications to avoid unsigned/signed comparisons in various files. (CVS 5914)
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FossilOrigin-Name: 8009220c36635dd9b6efea7dc13281ca9625c40a
2008-11-17 19:18:54 +00:00
1885d1c201
When a name in double quotes falls back to being a string literal,
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make sure it has no affinity. Ticket #3442 . (CVS 5832)
FossilOrigin-Name: 81cfee5c14f241f5ae7f607d73b0b5cb821cda24
2008-10-19 21:03:27 +00:00
10fe840e4d
Fix a memory leak on ORDER BY of a compound select caused by the resolver
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on a flattened query. Also fix a OOM segfault in WHERE clause processing. (CVS 5801)
FossilOrigin-Name: d2c252d6bbde4ae14da6c9e6c2683d763d11c59f
2008-10-11 16:47:35 +00:00
273f619b58
Updated LIMIT support for DELETE/UPDATE. Omit option changed to SQLITE_ENABLE_UPDATE_DELETE_LIMIT. (CVS 5788)
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FossilOrigin-Name: c10e8a3c7ab7f21c95f24d0aba590f5b18a4b028
2008-10-10 04:34:16 +00:00
3d1c1e8722
Fix a typo in check-in (5769) (CVS 5770)
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FossilOrigin-Name: 24891902fa625445aa47ae930f0cb340cc73d25d
2008-10-06 15:18:02 +00:00
41204f1fdd
Expression nodes of type TK_ROW mean the rowid of the first table in the
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source list. (CVS 5769)
FossilOrigin-Name: 2f7db6c98f17e0b7110258093c283091a91d4e4f
2008-10-06 13:54:35 +00:00
8b213899e8
Avoid reevaluating WHERE and ORDER BY expressions that alias terms in the
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result set. Ticket #3343 . Note that aliased GROUP BY expressions are still
evaluated twice. (CVS 5637)
FossilOrigin-Name: ab0292caa5887cc1bdc0e8c9d3f3502b83975440
2008-08-29 02:14:02 +00:00
0a846f96ef
Fix bug in the premutation testing that was causing many permutations from
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begin skipped. There are now 16 errors reported by the permutation test. (CVS 5610)
FossilOrigin-Name: 4ad096bda1fc5c7b66f71ff5b32a4085c9a40574
2008-08-25 17:23:29 +00:00
f436620e3f
Additional coverage testing in the new name resolver module. (CVS 5608)
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FossilOrigin-Name: 0d61960afd35721d6d07acd75288c20d2cd6fda1
2008-08-25 12:14:08 +00:00
ee76c61657
Remove dead code. (CVS 5601)
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FossilOrigin-Name: 6de9c084fc533fbb22af6a4cd3e4e9a461b13876
2008-08-22 17:34:45 +00:00
7d10d5a6e1
Refactor the name resolution procedures in the code generator. (CVS 5569)
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FossilOrigin-Name: daf730d1defa78fb8b80a78f9108ac35a13e09f6
2008-08-20 16:35:10 +00:00
