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100 check-ins occurring around 4ec57d88415fa4ea.

2019-11-07
19:59
Experimental branch to provide SQLITE_LIMIT_HEAP_K to limit the amount of allocated memory used by each database connection, individually. Leaf check-in: 4ab9dbb9 user: drh tags: limit_heap_k
14:51
Fix the xferCompatibleIndex() function so that it recognizes that a PRIMARY KEY index for a WITHOUT ROWID table is different from a UNIQUE constraint index on the primary key. Ticket [302027baf1374498] check-in: 34f64f11 user: drh tags: trunk
02:32
Restore generated column loop detection logic that was incorrectly removed from the previous check-in [9e07b48934e9a972]. This fixes ticket [299b50ba812d8e54] check-in: 104a2beb user: drh tags: trunk
2019-11-06
22:19
Change the way generated columns are computed so that no column is computed inside branch code that might not be taken. Ticket [4fc08501f4e56692] check-in: 9e07b489 user: drh tags: trunk
19:25
Minor simplification to the changes from check-in [36c11ad51f]. check-in: 7bc8205d user: mistachkin tags: trunk
17:31
Fix the OP_DeferredSeek index-to-table column map in P4 so that it works with generated columns. Ticket [ce22a07731530118] check-in: 36c11ad5 user: drh tags: trunk
14:49
Fix the handling of NOT NULL constraint violations for generated columns in a REPLACE statement. Ticket [2399f5986134f79c] check-in: 77b1c90a user: drh tags: trunk
2019-11-04
12:49
Changes an unreachable testcase() into an assert(). check-in: 5710845b user: drh tags: trunk
02:05
Fix a false-postive in the sqlite3ExprImpliesNonNullRow() decision routine, that resulted in an incorrect LEFT JOIN strength reduction when the WHERE clause contained a row-value comparison. Ticket [02aa2bd02f97d0f2] check-in: ea20068e user: drh tags: trunk
2019-11-03
00:07
The optimization of check-in [9b2879629c34fc0a] is incorrectly reasoned. The WHERE clause of the partial index might not be true if the table of the partial index is the right table of a left join. So disable the optimization in that case. Ticket [623eff57e76d45f6] check-in: 3be19e11 user: drh tags: trunk
2019-11-02
17:59
Fix a problem in VIEW creation that was introduced by the generated columns feature. check-in: 9c795c4d user: drh tags: trunk
13:45
"STORED" is not actually a keyword. The parser looks for STORED as an ordinary identifier. check-in: 167cd574 user: drh tags: trunk
13:32
In sqlite3GenerateIndexKey(), do not attempt to reuse column values from the previous index if the current index is a partial index as the partial index test may have changed those values. Ticket [a9efb42811fa41ee] check-in: 17e9f658 user: drh tags: trunk
00:00
Restore the on-line ".help" for the ".explain" command in the CLI. check-in: 28b8f103 user: drh tags: trunk
2019-11-01
18:52
Fix a harmless compiler warning. check-in: f0ebea35 user: drh tags: trunk
17:31
The SET DEFAULT and SET NULL conflict resolution actions for foreign key constraints should cause an error when they appear on a generated column. check-in: b47513d2 user: drh tags: trunk
16:37
Fix a potential use-after-free bug that follows an OOM error in code added two days ago by check-in [84e02d773d60cffe]. Problem discovered by OSSFuzz. check-in: 0a2eb949 user: drh tags: trunk
16:08
Add another missing column number translation to the foreign key logic. check-in: 32df5edc user: drh tags: trunk
15:19
Omit the optimization that reduces the column-count on rowid-table cursors when the table has generated columns, because we do not know what columns the generator expressions might try to access. check-in: e6c96ed9 user: drh tags: trunk
13:37
Fix an fts3 assert() that could fail when operating on a database containing corrupt records. check-in: 7c52f547 user: dan tags: trunk
12:14
Add missing column translations to foreign key logic. Ticket [c28a01da72f8957c] check-in: bc6a43e7 user: drh tags: trunk
10:49
Fix a potential array bounds overflow in the mkkeywordhash.c code generator. Also add marks to omit keywords specific to generated columns when building with -DSQLITE_OMIT_GENERATED_COLUMNS. check-in: cc6a4081 user: drh tags: trunk
02:30
Slightly faster keyword hash table. check-in: f12e743e user: drh tags: trunk
2019-10-31
20:54
Correctly generate pre-UPDATE content for virtual columns that are used by foreign key constraints. Ticket [b9befa4b83a660cc] check-in: 40d3282e user: drh tags: trunk
17:13
Add a few simple TCL test cases for generated columns. (Full test coverage of the generated column logic is provided separately by TH3.) check-in: acedb5c7 user: drh tags: trunk
13:16
Ignore differences in Expr.op2 in sqlite3ExprCompare() in cases where it does matter. Ticket [1d2a8efc6c3a595a]. check-in: 32982067 user: drh tags: trunk
12:30
Enhance the TreeView logic to show information about Expr.op2 for FUNCTION and COLUMN nodes. check-in: aceeaf9e user: drh tags: trunk
2019-10-30
18:50
Always disallow the use of non-deterministic functions in CHECK constraints, even date/time functions that use the 'now' or similar keywords. Provide improved error messages when this requirement is not met. Ticket [830277d9db6c3ba1] check-in: 2978b65e user: drh tags: trunk
16:29
Simplify the bytecode generation for SQL function calls such that the OP_Function or OP_PureFunc opcodes are coded directly, rather than using the intermediate OP_Function0 or OP_PureFunc0 - opcodes that are now removed. check-in: 84e02d77 user: drh tags: trunk
13:00
New tokens ALWAYS, GENERATED, and STORED used by generated columns should all be fallback tokens. check-in: 13fe6978 user: drh tags: trunk
2019-10-29
16:18
Remove the legacy_file_format PRAGMA. In its place, provide the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option to sqlite3_db_config(). Fix for ticket [6484e6ce678fffab] check-in: 4d424f30 user: drh tags: trunk
03:39
Tighten the generated column requirement such that every table must have at least one non-generated column. Ticket [166347c6fc994155]. check-in: 4fba090e user: drh tags: trunk
03:30
Add a missing translation from table column numbers to storage table numbers while processing constraints on an UPDATE statement. Ticket [9621dd78a024d07a] check-in: 361ea81a user: drh tags: trunk
01:26
Disallow tables that have only virtual columns. check-in: 59197321 user: drh tags: trunk
2019-10-28
13:54
Fix a problem in fts3 causing it to report corruption if a doclist contains consectutive rowid entries that differ by more than 2^63. check-in: 0b0a3048 user: dan tags: trunk
13:07
Remove a NEVER() comparison from sqlite3ExprCompare(). check-in: f4285297 user: drh tags: trunk
04:20
ALWAYS macro added for coverage. check-in: a1e1ba91 user: drh tags: trunk
2019-10-27
22:22
Improved detection of attempts to use a generated column as part of the primary key. Ticket [91e86951016a6802] check-in: 6d1bbba9 user: drh tags: trunk
2019-10-26
23:51
Remove code from the constraint checker that generates virtual column values with the incorrect time. Turns out the the regular code for all other columns works correctly and so the incorrect special-case code is not actually needed. Fix for ticket [3ea175512444b0d1]. check-in: 5b4c0f2d user: drh tags: trunk
18:56
Remove redundant code resulting from a merge error on the previous check-in. check-in: 713fe86b user: drh tags: trunk
18:47
Add support for generated columns. check-in: b855acf1 user: drh tags: trunk
17:08
Performance optimization on sqlite3GenerateConstraintChecks() - bypass the loop that checks each column for NOT NULL constraints if it is known in advance that the table has no NOT NULL constraints. check-in: e3c3f4d7 user: drh tags: trunk
16:38
Clarify some comments and add assert() and testcase() macros to the replace-trigger recheck logic for ticket [c1e19e12046d23fe] check-in: 8c0042bd user: drh tags: trunk
16:02
Fix a problem in the legacy ".explain on" formatting when it is used on a query with more than 8 output columns. check-in: 070b4982 user: drh tags: trunk
15:40
Minor changes to help ensure the pointer returned by sqlite3VdbeGetOp() is not used after it becomes invalid. check-in: 346bdd49 user: drh tags: trunk
12:27
Overnight, OSSFuzz helpfully pointed out a potential use-after-free bug in yesterdays changes, involving continued use of a pointer after the memory pointed to had been realloc()-ed. Thanks Google. check-in: c422afb5 user: drh tags: trunk
01:43
Add missing VdbeCoverage() macro. Fix an off-by-one error in partial index handling. New test cases. Ticket [c1e19e12046d23fe] check-in: 41cc8e3d user: drh tags: trunk
00:04
If replace triggers are run during uniqueness checking, then rerun all uniqueness checks a second time using the ABORT algorithm. Fix for ticket [c1e19e12046d23fe] check-in: fbac0c65 user: drh tags: trunk
2019-10-25
14:46
Performance optimization in sqlite3BtreeCursor(). check-in: ea068b09 user: drh tags: trunk
2019-10-24
23:43
Merge fixes from trunk. Closed-Leaf check-in: 4ec57d88 user: drh tags: generated-columns
21:02
The previous fix was incomplete. It is also necessary to disable the Expr.y.pTab field when making the translation. check-in: b99d5701 user: drh tags: generated-columns
20:35
In fts5, fix a case of overreading a buffer by 1 byte when counting characters in malformed utf-8. Fix for [dd1f67bf]. check-in: 8d964e1c user: dan tags: trunk
20:29
Fix handling of covering indexes that use virtual columns. check-in: e0f7e321 user: drh tags: generated-columns
19:35
Correction to check-in [bec5b6d4d083556d] so that it detects *all* triggers that might perturb the insertion cursor. Ticket [50c09fc2cf0d91ce]. check-in: 521f1d36 user: drh tags: trunk
01:04
Do not allow ALTER TABLE ADD COLUMN for a STORED column. check-in: 42fc08bc user: drh tags: generated-columns
2019-10-23
21:00
Add an experimental set of UUID processing functions as the uuid.c extension in ext/misc/uuid.c. check-in: 1a6e0093 user: drh tags: trunk
18:14
Add uuid_string and uuid_blob functions Leaf check-in: 97ba442b user: numist tags: uuid-funcs
18:09
When a vector comparison appears in the WHERE clause and the constraint side has a COLLATE clause on the first term of the vector, be sure to honor that COLLATE clause. Ticket [135c9da7513e5a97]. check-in: 978b2d20 user: drh tags: trunk
18:01
Create new branch named "uuid-funcs" check-in: 815dc043 user: numist tags: uuid-funcs
15:47
Minor adjustments for clarity and test coverage. check-in: 30065716 user: drh tags: generated-columns
03:53
Fix incorrect arguments to testcase() macros. check-in: 812467fb user: drh tags: generated-columns
00:31
Fix the foreign key logic to be compatible with generated columns. check-in: 3de57145 user: drh tags: generated-columns
2019-10-22
21:01
Take the declared column time into account when computing the values for generated columns, and apply appropriate affinity. check-in: 9e04ba22 user: drh tags: generated-columns
20:16
Merge the row-value fix from trunk. check-in: 1fbd7438 user: drh tags: generated-columns
19:51
Disqualify row-value comparisons for use by an index if the right-hand side has an affinity that does not match the index. Fix for ticket [6ef984af8972c2eb] check-in: 5c118617 user: drh tags: trunk
15:45
Do not allow generated columns in the PRIMARY KEY. check-in: 1a54743a user: drh tags: generated-columns
13:59
In UPDATE processing, include generated columns in the set of columns being updated if and only if their generator expressions reference some other column that is being updated. check-in: d38176e9 user: drh tags: generated-columns
13:01
New testcase() macros. Fix a problem with INSERT when the IPK is to the right of generated columns. check-in: 412799fc user: drh tags: generated-columns
12:02
Merge changes on trunk into the generated-columns branch. check-in: ba123b8c user: drh tags: generated-columns
11:29
Previous check-in to fix [b47e3627ecaadbde] was incomplete. This check-in completes the fix and adds a test cases. check-in: c7da1c01 user: drh tags: trunk
01:00
Move the sqlite3LocateCollSeq(), sqlite3FindCollSeq(), and sqlite3GetCollSeq() routines so that they are all beside one another in the callback.c source file. No logic changes. check-in: 9ff80a9b user: drh tags: trunk
00:03
When flipping ("commuting") a comparison operator, set the new EP_Commuted bit rather than adding extra EP_Collate bits, to single later processing that the order of precedence for COLLATE operators is inverted. Fix for ticket [b47e3627ecaadbde] check-in: 90f7c477 user: drh tags: trunk
2019-10-21
23:41
Add a VdbeCoverage() macro that was omitted from check-in [eea1e7aa57e74c43]. check-in: cd2317d0 user: drh tags: trunk
16:15
Try to fix a harmless compiler warning reported by ICC. check-in: 7f41b44c user: drh tags: trunk
01:04
Changes to the INSERT logic to make it simpler and faster and so that it works with generated columns and BEFORE triggers. check-in: bc368cb0 user: drh tags: generated-columns
2019-10-20
08:26
Fix a resource leak in fts5 that could occur if an auxiliary function is called from within a query that does not use the full-text index. check-in: b528bdcd user: dan tags: trunk
2019-10-19
18:47
Work toward getting generated columns to work with triggers. Still more work to do in this area. check-in: 932a3727 user: drh tags: generated-columns
15:01
Add testcase macros. check-in: fb9c9bb2 user: drh tags: generated-columns
13:29
Refactor names of column index transformation functions, for clarity. Get generated columns working with ALTER TABLE RENAME COLUMN. check-in: 27ab41c9 user: drh tags: generated-columns
2019-10-18
22:54
Use an allocation count and freelist instead of a membership bitfield in the mini lookaside allocator Leaf check-in: 9496b4d3 user: numist tags: 2-size-lookaside
18:33
Fixes for WITHOUT ROWID tables with VIRTUAL columns and an INTEGER PRIMARY KEY. check-in: 86074da0 user: drh tags: generated-columns
17:47
Merge trunk enhancements into the generated-columns branch. check-in: 85bc4524 user: drh tags: generated-columns
17:42
Get generated columns working for WITHOUT ROWID tables. check-in: 9f409649 user: drh tags: generated-columns
15:58
Enhance the ".imposter" command in the CLI so that the first argument can be an existing WITHOUT ROWID table instead of an index. The resulting imposter is the same table, but with columns in storage order and with all constraints removed. check-in: 9dc0d345 user: drh tags: trunk
12:52
Claw back some performance from the sqlite3ExprGetColumnOfTable() routine. check-in: e8426acb user: drh tags: generated-columns
12:14
Fix sqlite3ColumnOfIndex() to account for virtual columns. check-in: 44727112 user: drh tags: generated-columns
10:05
Get indexes working on virtual columns. check-in: 450c4876 user: drh tags: generated-columns
02:19
STORED columns can now reference other STORED columns, in any order, as long as there are not loops. check-in: 0d236698 user: drh tags: generated-columns
2019-10-17
18:35
In the Table object, change the nVCol field to nNVCol - the number of non-virtual columns, as that is the quantity that we need most. check-in: 4ad66af0 user: drh tags: generated-columns
18:07
Bug fix with INSERT using an explicit column list on a table with a non-final STORED column. check-in: 61b4459a user: drh tags: generated-columns
17:54
Some (but not all) INSERT and UPDATE statements now work for STORED columns. check-in: fe7517bf user: drh tags: generated-columns
16:16
Fix the xfer optimization for generated columns, so that VACUUM works again. check-in: 8f67b89b user: drh tags: generated-columns
15:59
Basic UPDATE functionality working for VIRTUAL columns. check-in: c21959d4 user: drh tags: generated-columns
15:41
Avoid an infinite loop in fts3/4 incremental-merge in the case where the lowest level in the database contains segments but no data (because there is a delete-marker for each valid entry). Fix for [bf1aab89]. check-in: 35beaee0 user: dan tags: trunk
14:21
Bug fixes so that "make test" once against runs with no errors. check-in: 7bfe0f67 user: drh tags: generated-columns
13:15
Fix the table_info and table_xinfo pragmas so that they work with virtual columns. Table_info omits virtual columns. Table_xinfo gives them a "hidden" flag of 2, and 3 for STORED columns. check-in: 069351b8 user: drh tags: generated-columns
2019-10-16
22:01
INSERT with named columns for a table with generated columns. check-in: 64db39f9 user: drh tags: generated-columns
20:05
ALTER TABLE is able to add a VIRTUAL column. check-in: 120c6b78 user: drh tags: generated-columns
19:31
Simple INSERT and SELECT operations working with VIRTUAL columns. check-in: 7f9f90b1 user: drh tags: generated-columns
17:46
Enhancements to SQL query normalization for UPDATE statements. check-in: bba975c7 user: mistachkin tags: trunk