dan
6d235cb8d8
Fix a problem with resolving "db.view.column" references that appear in UPDATE or DELETE statements executed against views.
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FossilOrigin-Name: ddee56c9b2b591b9386b1072c3b3a699f7c1f853
2013-03-09 14:40:24 +00:00
drh
21172c4cc0
Add an optimization that attempts to run a subquery as a coroutine rather
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than manifesting it into a temporary table.
FossilOrigin-Name: 7af3acbbd49a2114fcdada9ec907c68ba9b053bd
2012-10-30 00:29:07 +00:00
dan
41fb5cd103
Shared-cache mode fixes for views and virtual tables.
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FossilOrigin-Name: 2b370dea704b59262c604af0efcef5660b194454
2012-10-04 19:33:00 +00:00
drh
7e5418e4a4
Add more bits to the bit vector that is used to disable optimizations for
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built-in test. Add specific bit patterns to disable ORDER BY using an
index in general and for joins. Use macros to test for bits in the
disabled-optimization bit vector, in order to make the code clearer.
FossilOrigin-Name: d2fcba1e143beca8c45724d2108870657c269e17
2012-09-27 15:05:54 +00:00
dan
0efb72c969
Fix a problem to do with multi-or queries and automatic indexes.
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FossilOrigin-Name: a3e26038a1d9f3331239f777c67d1920d904aab0
2012-08-24 18:44:56 +00:00
drh
a748fdcc43
Evaluate typeof(X) and length(Y) where X is any column and Y is a blob column
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without actually loading X and Y from disk.
FossilOrigin-Name: b899dbeb60752843287e2c6ad3577e1d00f0d587
2012-03-28 01:34:47 +00:00
drh
d4e244ad56
Remove unused fields from the Parse object. Documentation and formatting
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improvements on data structure definitions.
FossilOrigin-Name: 431556cac0b2c86d7f6a60412ff1023feeaafedf
2011-11-29 15:40:32 +00:00
dan
38cc40c216
Experimental changes to improve optimization of DISTINCT queries.
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FossilOrigin-Name: f7ba0219ef2f235543c258be736955d91ca5ecce
2011-06-30 20:17:15 +00:00
drh
097ce2caab
Add a bit to the SQLITE_TESTCTRL_OPTIMIZATIONS setting that will disable
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affinity when writing to any index, regardless of whether or not the index
is on a manifestation of a view. This allows better testing of the fix
for ticket [91e2e8ba6ff2e2].
FossilOrigin-Name: b61a76a53af04f731fe7617f7b6b4fb2aef6587b
2011-06-23 17:29:33 +00:00
drh
7571327233
Do not do affinity transformations on inserts into an index for the
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manifestation of a view or subquery. Fix for ticket [91e2e8ba6ff2e2].
FossilOrigin-Name: 0b3174e0b1364ccc31853dce02bce5f7d3d431db
2011-06-23 16:18:26 +00:00
drh
1fbb230f90
Make sure the P5 argument to the OP_VUpdate opcode is always set to a
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valid conflict resolution code.
FossilOrigin-Name: e3350dbd9f472c27ea6bc872d85098ac89d874c7
2011-05-30 14:35:48 +00:00
drh
8d129422ed
Fix the P4_TRANSIENT constant so that it works correct - so that it really
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makes a copy of the string for the P4 argument. Use P4_TRANSIENT wherever
appropriate. Change P4_STATICs of schema names to P4_TRANSIENT.
FossilOrigin-Name: bf664b206bf6f5c1941da1986dfe2c0d1831d5e4
2011-04-05 12:25:19 +00:00
drh
0bfc2d1cc8
Improved comment on the sqlite3SrcListLookup function.
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FossilOrigin-Name: bcbc9ff568d1eb9f925574ebd22e5fdfa06daf6e
2011-04-05 11:26:54 +00:00
dan
1feeaed291
Remove the Table.dbMem variable, as it is no longer being used for its original purpose.
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FossilOrigin-Name: 6eddc6e601cf8f585c6c2cf79f36fcbfe98a307e
2010-07-23 15:41:47 +00:00
drh
5c092e8a4f
Make sure the value of an INTEGER PRIMARY KEY column supplied to triggers
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and especially to FK constraints really contains the ROWID and not the
NULL that is stored in the column itself. Ticket [dd08e5a988d00dec].
FossilOrigin-Name: 636f86095eb1f4bdcfb0c9ed846c4c6b3589c10b
2010-05-14 19:24:02 +00:00
drh
f49f352320
Adjustments to column cache handling in order to restore 100% branch
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test coverage.
FossilOrigin-Name: cc6b959bc1f968e08eea1afd387201d70a0c1e80
2009-12-30 14:12:38 +00:00
drh
b6da74ebd5
Immediately purge entries from the column cache when the associated register
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undergoes an affinity change. Ticket [eb5548a849]. Enhance the
SQLITE_TESTCTRL_OPTIMIZATIONS setting of sqlite3_test_control so that it
can disable the column cache for testing purposes, in an effort to prevent
future problems of a similar nature to this one.
FossilOrigin-Name: ea4e57e1c1b6663ceb12872e31a8503f6c14e3d8
2009-12-24 16:00:28 +00:00
dan
bb5f168f2e
Move [7d30880114] to the trunk. Add optimizations to reduce the number of opcodes used for BEFORE UPDATE triggers.
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FossilOrigin-Name: 1b7c5250ccb63182324bfc3f1ea28f17b6db357a
2009-11-27 12:12:34 +00:00
drh
c81c11f62c
Remove the obsolete "$Id:$" RCS identifier strings from the source code.
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FossilOrigin-Name: f6c045f649036958078cb15cd9d5453680c82b0c
2009-11-10 01:30:52 +00:00
dan
e7a94d8128
If an update does not modify any child or parent key columns, omit foreign key processing for the statement.
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FossilOrigin-Name: edff3500058eb8ad2381f855ef7a09ecb680f7b8
2009-10-01 16:09:04 +00:00
dan
4bb3b679b0
Use sqlite3FkOldmask() in delete.c instead of assuming that foreign key constraints always require all columns of the deleted row to be stored in registers.
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FossilOrigin-Name: ce554a393401fc2fb9b5be049ddd383070102934
2009-09-24 10:42:09 +00:00
dan
94d7f50a0f
Remove unused parameter from sqlite3CodeRowTrigger(). Fix header comments for this function and CodeRowTriggerDirect().
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FossilOrigin-Name: 0443f7c9112ca91aa45c78a3d6287e5fcf5c3b73
2009-09-24 09:05:49 +00:00
dan
75cbd984f7
Fix compilation with OMIT_TRIGGER defined. Ticket [1ff6d29030e9757d052af0f394e56bea96b8b59b|1ff6d29030].
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FossilOrigin-Name: fb6ceed388f6d75bdc2ac2f43e5c98da74e2a448
2009-09-21 16:06:03 +00:00
dan
1da40a381f
Check in implementation of foreign key constraints.
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FossilOrigin-Name: d5d399811876391642937edeb9e8434dd9e356f5
2009-09-19 17:00:31 +00:00
drh
3f022189dd
Suppress some harmless compiler warnings.
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FossilOrigin-Name: f0c72a53c5d57d7487b48a06a40816153f47aaac
2009-09-09 16:10:50 +00:00
dan
e0af83aca6
Combine the OP_Statement and OP_Transaction opcodes.
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FossilOrigin-Name: aec9dbd8d21c55c3945287a3dfa55d3ed168f977
2009-09-08 19:15:01 +00:00
dan
2283d46cd6
If recursive-triggers are enabled, fire DELETE triggers if database rows are removed as a result of OR REPLACE conflict resolution.
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FossilOrigin-Name: 85cb0c94a63eda5f059ebe40887c7af9b4869893
2009-09-08 15:55:15 +00:00
dan
2832ad4221
More fixes for test cases.
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FossilOrigin-Name: 85d9f23be1e8673dbda42e43b9b23332ada9225f
2009-08-31 15:27:27 +00:00
dan
76d462ee78
Fixes for new triggers scheme.
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FossilOrigin-Name: 9eb91efda5241609ff18ff15ef5eaa0e86788eab
2009-08-30 11:42:51 +00:00
dan
165921a742
Changes to support recursive triggers.
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FossilOrigin-Name: 9b9c19211593d5ff7b39254a29c284560a8bcedb
2009-08-28 18:53:45 +00:00
dan
69f8bb9c72
If a binary operator in a WHERE clause that should be performed with no affinity conversions applied to its operands (see http://www.sqlite.org/datatype3.html ) is optimized by index lookup, do not apply any conversions to the key value before looking it up in the index. Fix for 93fb9f89d6.
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FossilOrigin-Name: e72186f2d68d28c2e0c32894f9adb28c155b5f63
2009-08-13 19:21:16 +00:00
drh
eeb844a7f1
Suppress various compiler warnings. (CVS 6963)
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FossilOrigin-Name: 257e9b575029f63277ed602d1402f87cfa15d22e
2009-08-08 18:01:07 +00:00
danielk1977
c7538b5f63
When extracting values from a record to use in an UPDATEd version of that record, apply OP_RealAffinity if required. Fix for #3992 . (CVS 6945)
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FossilOrigin-Name: 3616766a6f5c8179cc55444c29ecf29cc69f88ce
2009-07-27 10:05:04 +00:00
danielk1977
595a523a10
Allow virtual tables to be used in shared-cache mode. (CVS 6928)
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FossilOrigin-Name: 5d9e767a05e381235e064061043e30cc03a11a07
2009-07-24 17:58:53 +00:00
drh
0b9f50d8aa
Enhance autoincrement so that it works with triggers that also do
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autoincrement inserts, even multiple inserts into the same table.
Ticket #3928 (CVS 6807)
FossilOrigin-Name: 1330993de8eae7baeec24100216158063c9bdc19
2009-06-23 20:28:53 +00:00
drh
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
drh
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
drh
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
drh
bbb5e4e073
Remove an always-true test from delete.c. Move the sqlite3OpenTable()
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routine from delete.c to insert.c since it is not used in delete.c. (CVS 6571)
FossilOrigin-Name: 71756dc870910665ef5fdbc7343bc3eedbe3ce65
2009-04-30 00:11:09 +00:00
drh
336a5300de
Get rid of the special RowSet processing in where.c and move that into
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clients. Added the WHERE_DUPLICATES_OK option to eliminate an unnecessary
RowSet during DELETE with a WHERE clause containing ORs. (CVS 6546)
FossilOrigin-Name: 98606bee9e41b8969fb639fc43864e230185ca43
2009-04-24 15:46:21 +00:00
shane
c0688ea172
Removed compiler warnings from MSVC builds. Ticket #3701 . (CVS 6335)
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FossilOrigin-Name: 5477833ec7f707ea9937d3fd6a6d8ab49f2016f1
2009-03-05 03:48:06 +00:00
drh
18209cd6e2
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT option for the new Expr compression
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logic of check-in (6305). Bug discovered during regression testing. (CVS 6333)
FossilOrigin-Name: 91969edac737adf087e35e10aa0a732b3303afd5
2009-03-02 14:24:21 +00:00
danielk1977
2f886d1d53
Instead of linking temporary triggers on non-temporary tables into the Table.pTrigger list, search the temp schema for them on demand. Fix for #3688 . (CVS 6329)
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FossilOrigin-Name: 3befe1ef7e6ebddedfa69579553a1b85b411ee98
2009-02-28 10:47:41 +00:00
danielk1977
2d2e7bd32e
Reverse commit (6315) for now. (CVS 6317)
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FossilOrigin-Name: 0e7c369c23a8767b4d3e5cdd47c14716992fb71a
2009-02-24 10:14:40 +00:00
danielk1977
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
danielk1977
d336e222f4
Instead of using SetNumColumns, specify the number of columns in a table or index using the P4 argument. (CVS 6310)
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FossilOrigin-Name: e43ed649630cbc49a6f2a25a26a4a6b5fce84c48
2009-02-20 10:58:41 +00:00
danielk1977
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
drh
23d04d5a20
Continuing improvements to the multi-index OR-clause optimizer. Added a
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few simple test cases. (CVS 6062)
FossilOrigin-Name: 55d4f493e7df8515574a75caec9967d6c71b6012
2008-12-23 23:56:22 +00:00
drh
1bd10f8a00
Additional work at eliminating silly compiler warnings. (CVS 6010)
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FossilOrigin-Name: ea01d43788a75e39c7f03c22681d1a338d52cf0e
2008-12-10 21:19:56 +00:00
drh
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
