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optimize-null-values
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1295 Commits

Author SHA1 Message Date
dan
eebf2f5747 Enhance the log messages produced in some cases if database corruption is 
encountered by an SQLITE_DEBUG build.

FossilOrigin-Name: 23a3128083834b5fc80adf45448f7dc65587c52761fb3c9483b80313b369406f
 2017-11-18 17:30:08 +00:00
drh
7e45e3a5d7 Change the name of SQLITE_READONLY_CANTLOCK to SQLITE_READONLY_CANTINIT. 
FossilOrigin-Name: 6d7f94faa7e6de62f82bc6cac019508a9c1ffd6fa1d14f52fa93e9c06afdd32f
 2017-11-08 17:32:12 +00:00
dan
518e3f0673 Merge latest trunk changes with this branch. 
FossilOrigin-Name: 2719cf5c5bbe8e31d18368d54d968af3878ad2e15f0666e18d7b567d7439c451
 2017-10-11 20:26:07 +00:00
dan
7fdb9a7edc Change some internal details to bring this branch closer to the code on trunk. 
FossilOrigin-Name: 58e42cfd7d4af2279dab8dd895dca7afbdf9035445bc81bd4a7461ea24e846fc
 2017-10-11 20:10:22 +00:00
drh
a43c8c8a60 Initial implementation of the "sqlite_dbpage" virtual table. Currently 
it is read-only and has a place-holder xBestIndex.

FossilOrigin-Name: c2c1d656e3f52465192c2a697a976cd1837ccc4e10708a2377cff8bf6eaa7d49
 2017-10-11 13:48:11 +00:00
drh
c6aa38159b Updates to requirements marks. 
FossilOrigin-Name: 40964a4ef7565ea0ddf452f48cb22373d068528e07d40eefc008f2231c969422
 2017-10-04 18:26:44 +00:00
drh
ce2c482e5a Remove an unused variable from sqlite3Insert() and fix harmless 
compiler warnings associated with -DSQLITE_MUTATION_TEST.

FossilOrigin-Name: 7be760e907274131bcd4acfaff9e72c9c59a05e7d411db3d9afe690fe0d64b4b
 2017-10-03 17:17:34 +00:00
drh
84d4f1a328 Improved resolution of large integer values in "CAST(x AS NUMERIC)". 
FossilOrigin-Name: 7f2bd4ff45fba29528c18cac6da983bd9b164303525d3965056f5b40f85dc83f
 2017-09-20 10:47:10 +00:00
dan
7834551c1e Have the header comment for sqlite3Checkpoint() mention TRUNCATE along with 
the other three checkpoint types. No changes to code.

FossilOrigin-Name: e1e3ca7ea43a68b9b57dc38d8855f63b63a53feb8128b666a1becf87a2c70341
 2017-09-08 17:48:00 +00:00
drh
52fb8e1945 Faster memory allocation from lookaside by not trying to keep track of the 
number of outstanding allocations, and rather computing that value only
when requested.

FossilOrigin-Name: a06263f1efd2d45eac88b8d59e8fe8e458670fa3808c795feaa7f247fc36cbe9
 2017-08-29 20:21:12 +00:00
drh
b2a0f75c06 Remove the rarely-used scratch memory allocator. This makes the code smaller, 
faster, and easier to maintain.  In place of the scratch allocator, add the
SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite
that large memory allocations should be avoided.

FossilOrigin-Name: 54b000246cfb5c7b8adb61a17357ef5a49adddde9e48e8937834d5ba0beb8a6b
 2017-08-28 15:51:35 +00:00
mistachkin
f6285fab68 Fix harmless compiler warning. 
FossilOrigin-Name: 3286e1a07b0693049a07f0865bf93749c461ea8f6d1175ec2d1642886673d8ac
 2017-07-28 22:13:26 +00:00
drh
8257aa8dbe Add the new sqlite3.mDbFlags field. Factor out bits of sqlite3.flags that 
do not interact with PRAGMA statements into sqlite3.mDbFlags.

FossilOrigin-Name: 3808a00f06d372cc531da039d97bd974e4a6576a30cf63bf562f83f186b313b3
 2017-07-26 19:59:13 +00:00
drh
749e4a9fd1 Identify requirements text in the SQLITE_DBCONFIG_ENABLE_QPSG documentation. 
Add some implementation marks for SQLITE_DBCONFIG_MAINDBNAME requirements.
No code changes.

FossilOrigin-Name: ab165dcf35ae7385c9366853ce5648294bf5dc9aa9ffe1af84243e6fac3472fc
 2017-07-14 19:47:32 +00:00
drh
ff4fa772f5 Update error message text for standard error codes to better describe the 
latest usage of those error codes.  Modify sqlite3_open_v2() so that it does
return a valid sqlite3 object in the event of SQLITE_MISUSE due to bad
open flags, so that sqlite3_errmsg() does not report "out of memory" in that
case.

FossilOrigin-Name: f27b6370407842e2c175ea4aa9ce018723c57eaac0cccc1f8399bc20f33324be
 2017-07-10 12:07:53 +00:00
drh
e75be1aedb Remove the error message text from disused error codes such as 
SQLITE_EMPTY and SQLITE_FORMAT.

FossilOrigin-Name: 871752f2925ee14bdd3e994c00832d00860c03f6f28e63504aa6d35978b7f37c
 2017-07-10 11:17:51 +00:00
drh
a690ff360b Change the error message text for SQLITE_ERROR to omit the part about 
"missing database" as that meaning is now obsolete (since approx SQLite 2.0).

FossilOrigin-Name: 732f90d6327c5c6368fc8b4cc207bd644ef08e3ae6d2e7295258ab099deaba63
 2017-07-07 19:43:23 +00:00
drh
c6603af755 Rename the "stmts" virtual table to just "stmt" without the final "s". 
FossilOrigin-Name: adfdb80105c46ac42b71132c80a91dbd5b1c9ff241fb4fbb5d04641a88898d90
 2017-06-29 14:33:51 +00:00
drh
f00f530b7d Build the "stmts" virtual table into the amalgamation. It is active only 
when compiled using SQLITE_ENABLE_STMTSVTAB.  That option is supplied to the
command-line shell.

FossilOrigin-Name: 0ff057d86e42e518fda22bfbf5f1977ab6bd0a74a9211ff259ee7e8a7ce98b58
 2017-06-28 15:47:29 +00:00
drh
169dd928c5 Add the SQLITE_DBCONFIG_ENABLE_QPSG option to activate the query planner 
stability guarantee.  This involves refactoring the sqlite3.flags bitvector
to carve out a free bit to use.

FossilOrigin-Name: 7076e8283ebae1b45a5d85d9538b49b6da399d38c3c6935de100f948f814f6a9
 2017-06-26 13:57:49 +00:00
dan
da1f49b83f Rework the code in ctime.c a bit to report on more compile time options. And 
to only output configuration options passed in to SQLite, not the default
values of #define symbols set automatically. Also generate the large array in
ctime.c using new script tool/mkctime.tcl, instead of entering it manually.

FossilOrigin-Name: bc1951d699e6eeacbe15776a37cd0f5cf3f09eb85d3ae01cff43293cb286fcd7
 2017-06-16 19:51:47 +00:00
drh
cc97ca4c08 In SQLITE_DEBUG mode, attempt to log the page number of the database that 
contained the problem when SQLITE_CORRUPT errors are seen.

FossilOrigin-Name: e39795d7d798d5249c7bd2a0f6ff891b455f4300a3d638c39a4668323b367666
 2017-06-07 22:32:59 +00:00
drh
d4fb196531 Remove a surplus semicolon, which was harmless on gcc and clang but caused 
compile-time errors on msvc.  This only comes up using the encryption extension.

FossilOrigin-Name: 987a2b5537254b1fe843eb798d7eb7f04dbe1e32fb827cfb9e1e1ef6c2096759
 2017-05-23 00:32:56 +00:00
dan
21766c0c16 Fix a case where NULL was being passed to memcmp() following an OOM. This is 
probably not a real problem, as the number-of-bytes parameter was passed 0 in
this case, but it was causing a santizer complaint.

FossilOrigin-Name: 3ea2bad27e516d5dbfa4a9cb0c767d6a8387280a7e4bbf2ae80cd318da670d66
 2017-05-22 08:04:09 +00:00
drh
31976dacf1 Merge changes from trunk. 
FossilOrigin-Name: 6e0f64ab5eafda5d9e61e00c89af3c1ea2c5aa29821da1bdbcab040957b12403
 2017-05-15 17:56:48 +00:00
drh
ad012d09dc Always enable URI filenames when compiling with SQLITE_HAS_CODEC. Also allow 
plaintext keys using the key= query parameter.

FossilOrigin-Name: 31a51b4d168065fa59cc0e52ba798bd87ac82160c675bd531442b65133edb401
 2017-05-03 15:54:53 +00:00
dan
280db65e2c Add support for analyzing trigger programs to the sqlite3_expert code. 
FossilOrigin-Name: 159e8022a9d6701532b8b60e0c41154bc434c1bbdb107c8c97a78fb1140fa745
 2017-04-17 17:03:08 +00:00
dan
0824ccf29b Modify the code in ext/expert/ to use the vtab interface instead of 
sqlite3_whereinfo_hook(). Remove sqlite3_whereinfo_hook().

FossilOrigin-Name: 3bb6585004090dbf92dd5e9abdf0fd2c921e64b5b3121c4fb7446db764ab59e5
 2017-04-14 19:41:37 +00:00
dan
e86573fa51 Add the sqlite3_whereinfo_hook() API - an experimental API replacing the 
DBCONFIG_WHEREINFO hack on this branch.

FossilOrigin-Name: a54aef35da11f7508a8888a159372036a362fc52afa1df752dc835db334c4330
 2017-04-04 04:23:06 +00:00
dan
fbf3bdcdbc Merge latest trunk into this branch. 
FossilOrigin-Name: cb721d0b36268a7b0ef493fa4d7f6bcbaa9ead8b1990e3c3fae015fa1d545226
 2017-03-31 11:20:20 +00:00
dan
9c58b63c18 Add an sqlite3_set_last_insert_rowid() method. Use it to work around fts4 and 
fts5 modifying the last-insert-rowid unintuitively from within commit
processing.

FossilOrigin-Name: fe41bb5632a5d438acfd682809f1bd12315b970a
 2017-02-27 14:52:48 +00:00
drh
76f63789f2 Back out [ec8ff892ac] which is causing missed OOM errors on some tests. 
FossilOrigin-Name: 0611770d6a2fcb9fa0bedee19df9916820ae8f3b
 2017-02-07 03:44:42 +00:00
drh
238390c3b4 Simplification to the error handling to extension loading in 
sqlite3_open().

FossilOrigin-Name: ec8ff892ac9c6a8f81bcf69f1933f4bb69faa743
 2017-02-04 20:15:51 +00:00
dan
895decf6b5 Avoid passing NULL pointers to memcmp() or memcpy(), even when the 
"number-of-bytes" argument is passed 0.

FossilOrigin-Name: 56ff72ab44288296efc99a608f7edc4346366a50
 2016-12-30 14:15:56 +00:00
drh
575242f66f Allow sqlite3_interrupt() to be invoked on a database connection that is in 
the process of being closed even if SQLITE_ENABLE_API_ARMOR is defined.

FossilOrigin-Name: 7854bee260996087bdb7f8729ba8cfb4f467f93f
 2016-12-27 13:33:52 +00:00
drh
2951809ed4 The schema name "main" is always an acceptable alias for the primary database 
even if the primary database is renamed using SQLITE_DBCONFIG_MAINDBNAME.

FossilOrigin-Name: 2f481b854f04bec546eb172d1b6dbc88067d3fda
 2016-12-24 19:37:16 +00:00
drh
d12602a9c5 Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE. 
FossilOrigin-Name: f360818737e73ee4f944685a547abc8f14f47819
 2016-12-07 15:49:02 +00:00
dan
93f5113290 Remove the requirement to open the wal file before sqlite3_snapshot_recover() 
is called. Also add some comments to new functions.

FossilOrigin-Name: 28393c413cc4505b94411730e728583c5d4baaae
 2016-11-19 18:31:37 +00:00
dan
1158498dce Add experimental sqlite3_snapshot_recover() API. 
FossilOrigin-Name: 174a6076a8d7bebe5efebf55f3fdc5d87c589cc7
 2016-11-18 20:49:43 +00:00
dan
edace5d4f1 Require that the database handle be in autocommit mode for 
sqlite3_snapshot_get() to succeed. This is because it may open a read
transaction on the database file.

FossilOrigin-Name: 83b658dad091211ade3594d1e8d00ce525882506
 2016-11-18 18:43:39 +00:00
dan
298af02308 Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for 
disabling SQLite's default checkpoint-on-close behaviour.

FossilOrigin-Name: 093d2fc2288b75c15ccf877bfa0e622d3918a562
 2016-10-31 16:16:49 +00:00
dan
5c35e90377 Add compile time option SQLITE_ENABLE_URI_00_ERROR. If defined, any "%00" 
escape found in a URI is treated as an error.

FossilOrigin-Name: e8a9bfece27e2af178a206ad6bce3f24d64e7ee4
 2016-10-26 12:15:41 +00:00
dan
1480095ff5 Changes to support interrupting a checkpoint using sqlite3_interrupt(). 
FossilOrigin-Name: c88d36e251abec24aa7e37cf550e148904b9fd2d
 2016-10-17 15:28:39 +00:00
mistachkin
e0736da15a Fix typo in comment. 
FossilOrigin-Name: bd3ecbb5c1977744321f4bbac79fd7e2e7c1b5ba
 2016-09-20 17:38:27 +00:00
drh
9e5eb9c8cc Revise the implementation of OP_Once so that it is smaller, faster, and uses 
less memory.  This also fixes an obscure bug introduced 3 days ago by check-in
[5990a1bdb4a073].

FossilOrigin-Name: 6bf5ba10d28f1b0a32aa9a560ae3143a1235eadb
 2016-09-18 16:08:10 +00:00
dan
57b60432ba Fixes to fts5 snippet() function. 
FossilOrigin-Name: d464a7b18d212720a4f4e2fa4e204f1aca99c837
 2016-08-27 18:34:06 +00:00
drh
fb82820a38 Fix the sqlite3_trace_v2() interface so that it goes disabled if either the 
callback or mask arguments are zero, in accordance with the documentation.

FossilOrigin-Name: 37e6c54b1afc634844026b3fe874dd2d550c6558
 2016-08-25 22:06:37 +00:00
dan
c9e75fb23a Register any built-in fts5 module before loading automatic extensions. This allows automatic extensions to register fts5 tokenizers and auxiliary functions. 
FossilOrigin-Name: b10e31dce8e590e1ba30f512374a8c16656bcc72
 2016-08-19 18:37:35 +00:00
drh
da84dcae54 Add the SQLITE_DBCONFIG_MAINDBNAME interface. 
FossilOrigin-Name: d6e3d5796c9991ca0af45ed92ce36f55efc02348
 2016-08-18 22:44:22 +00:00
drh
69c338263a Rename the Db.zName field to Db.zDbSName to make it more descriptive and to 
distinguish it from all of the other "zName" variables scattered throughout
the code.

FossilOrigin-Name: 92a22f01343a898455fd61c3b8e7d7c954f5b569
 2016-08-18 14:33:11 +00:00