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checkpoint-truncate
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4915 Commits

Author SHA1 Message Date
dan
f26a1549ac Add the SQLITE_CHECKPOINT_TRUNCATE option. 
FossilOrigin-Name: 8e20a43419e46b6b9d1f60ec7ea420bbfb3ef358
 2014-12-02 19:04:54 +00:00
drh
ac5649a985 Remove the ill-designed "-end" option from the command-line shell. Instead, 
allow multiple SQL or dot-commands as command-line arguments.  Any -cmd
commands are processed first, followed by other command-line arguments, for
backwards compatibility.

FossilOrigin-Name: 24fa2e9832daaa5d68ee28a00c56c55f97a4da9e
 2014-11-28 13:35:03 +00:00
dan
d89b834f54 Fix a buffer overread during compilation of CREATE VIRTUAL TABLE statements that featured an explicit database name but no virtual table arguments. For example, "CREATE VIRTUAL TABLE main.ft USING fts4". 
FossilOrigin-Name: f095cde579e7417306e11b5c1d2dd90b6bb547d5
 2014-11-27 11:36:36 +00:00
drh
3f2d22e1a3 More test cases for the balancer. 
FossilOrigin-Name: 358ea818f7ea5aa55bafaf4057e9fc7a5fd77c11
 2014-11-27 04:23:19 +00:00
drh
5ab63775dd Fix a problem in the new b-tree balancer that was causing corruption of 
the fragmentation count.

FossilOrigin-Name: f242394e079dd185aad90f2aee902a5edf27e150
 2014-11-27 03:46:04 +00:00
dan
0a79238b39 Fix an integer overflow bug in vdbesort.c. 
FossilOrigin-Name: 623827192532f08b68bc0eb9ed1449e173361f0c
 2014-11-25 18:59:55 +00:00
drh
7a1bca7e74 Deploy heuristics (well-commented) to better estimate how much unindexed terms 
in the WHERE clause filter the number of output rows from a single table.

FossilOrigin-Name: 221659945c3f78d3b6789bfe8fdeb8d3ee1fa038
 2014-11-22 18:50:44 +00:00
drh
a3898250d4 Remove a redundant test case (probably a copy/paste error). Add an assert() 
to where.c to ensure that automatic indexes do not have there output row 
counts adjusted downward by supplementary constraints.

FossilOrigin-Name: eea47933493c85a85247ad383bd148b06f627d04
 2014-11-22 12:22:13 +00:00
drh
2d8233157d Fix a benign test error on PRAGMA collation_list 
introduced by a recent checkin.

FossilOrigin-Name: 332cc9591d05508ac9cb56fde2b82e20e0342d1f
 2014-11-20 23:11:30 +00:00
drh
fead4ed8f3 Adding the "noskipscan" token to an sqlite_stat1.stat field prevents 
an index for being used with the skip-scan algorithm.

FossilOrigin-Name: 4461bf045d8eecf98478035efcdba3f41c709bc5
 2014-11-18 21:54:31 +00:00
drh
36ff0bf684 Allow an automatic index to be used if the only uses of declared indexes for 
the same loop use the skip-scan algorithm.

FossilOrigin-Name: c52f7971e90cac1058d6b66c9e334cbc8607def3
 2014-11-18 21:45:35 +00:00
drh
64b600ff13 Merge in all the other ROLLBACK fixes from the branch-3.8.7 branch. 
I don't know why I was doing them one-by-one.

FossilOrigin-Name: 296b0c7397790ceadbdb330959e962f6491abc3e
 2014-11-18 20:49:30 +00:00
drh
58f95c43ad Update a couple of test cases to account for the fact that ROLLBACK does not always abort all running SELECT statements. 
FossilOrigin-Name: abccda769a3f6b755c3bf70b5fb31a5e16718ef3
 2014-11-18 20:16:27 +00:00
dan
2b8669a9da Avoid calling sqlite3BtreeKeysize() on a b-tree cursor in SKIPNEXT or SKIPPREV state. 
FossilOrigin-Name: 54e7d3fcb1ab21c03ffef1af93ae029a2901098a
 2014-11-17 19:42:48 +00:00
drh
77b1deec40 When a SELECT statement is terminated by a ROLLBACK TO operation, make the 
error message be "abort due to ROLLBACK" rather than 
"callback requested query abort".

FossilOrigin-Name: 34fc4a082c192830e48f643549c04a4f91912b8b
 2014-11-17 17:13:06 +00:00
dan
302f583aa4 Update a couple of test cases to account for the fact that ROLLBACK does not always abort all running SELECT statements. 
FossilOrigin-Name: eba171e980fa4491dfee9d7e4df50c87a0ebbf87
 2014-11-17 15:22:08 +00:00
drh
f9df2fbdcd Adding the "noskipscan" token to an sqlite_stat1.stat field prevents an 
index for being used with the skip-scan algorithm.

FossilOrigin-Name: 00fe09505792cd0d104b2da9d040f023e30fa871
 2014-11-15 19:08:13 +00:00
dan
70273d0bab Consider using an automatic-index for a scan even if there exists a possible skip-scan that uses one or more "=" operators. 
FossilOrigin-Name: 93642a65ef3d53ece322ffd85233b68fc9a86c9d
 2014-11-14 19:34:20 +00:00
drh
0a9d9d566e Do not automatically remove the DISTINCT keyword from "a IN (SELECT DISTINCT ...)" expressions. Fix for [db87229497]. 
FossilOrigin-Name: 98457a57d642b35917eb9ad8f70065e273aad206
 2014-11-14 15:42:23 +00:00
dan
dd715f7c57 Do not automatically remove the DISTINCT keyword from "a IN (SELECT DISTINCT ...)" expressions. Fix for [db87229497]. 
FossilOrigin-Name: 55e453aadbb676dda07f0fa537d39ce184ef636c
 2014-11-14 15:28:33 +00:00
dan
fad01993b7 Have calls to sqlite3_backup_init() fail if there is already a read or read-write transaction open on the destination database. 
FossilOrigin-Name: 169b5505498c0a7ee2b5dbb2ba13c41dfaa7c62f
 2014-11-13 14:18:25 +00:00
drh
6f9c5669e2 When a transaction or savepoint rollback occurs, save the positions of all open read-cursors so that they can be restored following the rollback operation. Cherry-pick of check-in [dd03a2802f3f27] 
FossilOrigin-Name: 402780a9c8df9e7ea898bdca49c1191042fe387a
 2014-11-13 13:42:39 +00:00
dan
d7b06909ad Add further tests for rollback operations in the presence of ongoing selects. 
FossilOrigin-Name: eaf3aae014f59c8d37aa20aa31d54cf13f9e86fc
 2014-11-12 17:45:37 +00:00
dan
8023104252 When a transaction or savepoint rollback occurs, save the positions of all open read-cursors so that they can be restored following the rollback operation. 
FossilOrigin-Name: dd03a2802f3f276525f3cef9a93f825dd8606626
 2014-11-12 14:56:02 +00:00
drh
5a2c8c885c Fix the %c format character in sqlite3VXPrintf() so that it correctly handles precisions larger than 70. 
FossilOrigin-Name: 839a6df9f98b90fb593534a62145d9c913540bae
 2014-11-12 14:12:28 +00:00
drh
51a205410c Make sure that NULL results from OP_Column are fully and completely NULL and do not have the MEM_Ephem bit set. Fix for ticket [094d39a4c95ee4]. 
FossilOrigin-Name: e1017745e183f5d7429ce787ec2feef946a24f0f
 2014-11-12 14:07:28 +00:00
drh
85fabf1444 This is a cherry-pick of version [b5df5ac052]. 
FossilOrigin-Name: d4b2d5d066891e06f2bf4337902b44b000fa9fd2
 2014-11-11 22:55:26 +00:00
mistachkin
bfa395d085 Remove some calls to the 'breakpoint' test command. 
FossilOrigin-Name: 1412fcc480799ecbd68d44dd18d5bad40e20ccf1
 2014-11-11 19:07:56 +00:00
dan
2d8e3caa2e Add tests for sqlite3_blob_bytes(). 
FossilOrigin-Name: a066a3832a7c6de65c3016e77e49ac00e09db749
 2014-11-11 16:11:04 +00:00
drh
949d43a5fd Permit read operations to continue after a ROLLBACK as long as the schema 
does not change.

FossilOrigin-Name: b5df5ac0529f7b0d1e880a7f4a307e7d77b7fa6c
 2014-11-11 14:59:31 +00:00
dan
43f4066e10 Add new test file e_blobclose.test, containing tests for sqlite3_blob_close(). 
FossilOrigin-Name: 5a1eac2419b1462e6f21595a3fff26d9cc49d203
 2014-11-11 12:20:35 +00:00
drh
47b7fc7843 Experimental changes that permit read operations to continue after a 
ROLLBACK, as long as the schema is unchanged.

FossilOrigin-Name: fa6e6a9ae276cad60e9a4abc1bc23cf2809ea786
 2014-11-11 01:33:57 +00:00
drh
de58f4fe7f New test cases for deleting content out from under a SELECT statement. 
FossilOrigin-Name: 8289c3e9b47f7c2a606a88839f6bf615f8904ac2
 2014-11-10 19:16:59 +00:00
dan
923c4b35be Add test file e_blobwrite.test, containing tests for the sqlite3_blob_write() interface. 
FossilOrigin-Name: 1df77e5f1bd82de4dc92fe28359c3e56ab3f9ed4
 2014-11-10 17:53:03 +00:00
drh
1728bcb07f Add the eval() SQL function extension in ext/misc/eval.c. 
FossilOrigin-Name: 27cf665b957f2c0ced403e3032099e80c295598f
 2014-11-10 16:49:56 +00:00
dan
b391b94431 Add new test file e_blobopen.test, containing tests for sqlite3_blob_open(). 
FossilOrigin-Name: ecbccd0e594d22b3ae7fabc8037951dc49570bc3
 2014-11-07 14:41:11 +00:00
drh
518140ed04 Change the SQLITE_SCANSTAT_EST parameter so that it returns a double for 
the estimated number of output rows per loop, rather than a 64-bit integer.
Revise the output format for the ".scanstats on" in the shell to make use
of this new capability.

FossilOrigin-Name: f9684000665ae7ef6f89c3773612b8286b8f545a
 2014-11-06 03:55:10 +00:00
drh
e1db0db899 Fixes to the Windows VFS to allow memory mapped files to work without WAL support. 
FossilOrigin-Name: 272fddc14cc322655eeba670bc0f9fc30e5a804c
 2014-11-05 21:34:56 +00:00
drh
6d3f91d040 Change the query planner to do a better job of estimating the number rows 
selected by a BETWEEN operator using STAT4 when both upper and lower bounds
are contained within the same sample.

FossilOrigin-Name: 2d36be5d9a1cdd4fd2d54fc4eeece32a81cbacc1
 2014-11-05 19:26:12 +00:00
drh
6b5631e02f Make sure that NULL results from OP_Column are fully and completely NULL 
and do not have the MEM_Ephem bit set.  Fix for ticket [094d39a4c95ee4].

FossilOrigin-Name: 42705fd7d892c4fdfb95fbbb468c99569beece25
 2014-11-05 15:57:39 +00:00
dan
937994aa65 Add a test case to check that the previous commit is effective. 
FossilOrigin-Name: 948d6e5d07bc14b6de32ec2144c716a5532f894c
 2014-11-05 14:19:05 +00:00
mistachkin
fdece7bad1 Skip tests that require WAL mode when it is not enabled. 
FossilOrigin-Name: 6fc4ead26d19b9348bbda34c3053ae1e066abc32
 2014-11-04 19:52:15 +00:00
dan
e2f771b047 Add further tests. Fixes so that compilation without ENABLE_STMT_SCANSTATUS works. 
FossilOrigin-Name: a2303c719222f1effb51acc6b37930561148c00c
 2014-11-03 15:33:17 +00:00
dan
037b5324bd Remove unused variable from struct WhereInfo. Add some explanatory comments to new code. 
FossilOrigin-Name: f5313e0c680d9baebefb1cf50ddadedd4418a334
 2014-11-03 11:25:32 +00:00
dan
6f9702ed4d If SQLITE_ENABLE_STMT_SCANSTATUS is defined, record the number of times each VDBE opcode is executed. Derive the values returned by sqlite3_stmt_scanstatus() from these records on demand. 
FossilOrigin-Name: 9ea37422a8cc2fce51bb10508e5e90f40fd4b511
 2014-11-01 20:38:06 +00:00
dan
89e71646df Minor fixes and documentation improvements for sqlite3_stmt_scanstatus(). 
FossilOrigin-Name: 8d8cc9608d30bb65fffcfe488e904411cbbc7f41
 2014-11-01 18:08:04 +00:00
dan
04489b6dce Add the experimental sqlite3_stmt_scanstatus() API. 
FossilOrigin-Name: 6a9bab34aeb6a01b612211a28c140de60a3e883c
 2014-10-31 20:11:32 +00:00
drh
af8f513f9d Fix the %c format character in sqlite3VXPrintf() so that it correctly 
handles precisions larger than 70.

FossilOrigin-Name: 08a27440f19b7fc884464832e6105af1bf008172
 2014-10-29 18:20:18 +00:00
drh
a26b9a7727 Fix problems with running UPDATE and DELETE against a VIEW and referencing 
the rowid in the WHERE clause.  This is a cherrypick of [95f8ebdbf87326f2]
and [8523670d50004f3].

FossilOrigin-Name: cc33e846c8509419f0a1fbfb286807b4c137788d
 2014-10-29 01:26:25 +00:00
drh
739383d25d In the OP_Column opcode, when extracting a field that is past the end of 
a short record (because the row was originally inserted prior to ALTER TABLE
ADD COLUMN) then make sure the output register is fully NULL and does not
contain leftover flags (such as MEM_Ephem) from its previous use.
Fix for ticket [43107840f1c02].  This is a cherrypick of
check-in [24780f8ddc1683fc].

FossilOrigin-Name: 304ea6ba6f4cf40a76d32d37af73a253f493ba47
 2014-10-29 01:13:58 +00:00