drh
756440febc
Corrections to the xRead method for databases in the os_kv.c VFS so that it
...
correctly reads the header, and thus avoids unnecessary cache flushes. This
changes also includes an optimization to the header read logic.
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2022-09-16 15:19:04 +00:00
drh
84e5076787
Fix os_kv.c so that it uses SQLITE_FCNTL_SYNC and hence
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works even with PRAGMA synchronous=OFF.
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2022-09-16 11:37:01 +00:00
stephan
d22cfa8c80
Pull the src/os_kv.c part of [13839759f8f4] into the kv-vfs branch.
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2022-09-16 01:08:06 +00:00
stephan
5fd8f27bfb
Remove an extraneous key-copy op in the EM_JS impl of kvstorageDelete().
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2022-09-12 20:21:34 +00:00
drh
b126ec18b6
Fix the <sys/time.h> include in os_kv.c.
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2022-09-12 19:33:20 +00:00
drh
d8bb0b5ae6
Add a gettimeofday()-based implementation of xCurrentTimeInt64() to os_kv.c.
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2022-09-12 19:29:34 +00:00
drh
bb19512438
Fix a debugging/testing edit in the previous check-in.
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2022-09-12 18:10:41 +00:00
drh
6acd7b0a75
Faster text decoder for kv_os.c.
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2022-09-12 17:44:35 +00:00
drh
1ad51ffe21
Fix uninitialized variable in rollback-journal processing in os_kv.c
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2022-09-12 15:59:35 +00:00
stephan
2811759d5e
Resolve missing kvvfs JS test: sqlite3_initialize() must be called by the client in this build. Add basic sanity test of kvvfs using sessionStorage().
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2022-09-12 13:05:54 +00:00
drh
6b013afb88
Fix the amalgamation so that it builds with the standard unix backend again.
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2022-09-12 12:41:07 +00:00
stephan
ad5125a624
Initial build of kvvfs in wasm. It loads but cannot find the VFS for as-yet-unknown reasons (sqlite3 shell works fine), and most APIs throw "null function or function signature mismatch" from deep within wasm, presumably as a side effect of the "missing" VFS.
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2022-09-12 12:39:28 +00:00
drh
c6c9c6aad0
Improved comments in os_kv.c. Better names for the key/value name spaces.
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2022-09-10 18:38:21 +00:00
drh
7585f49a0a
Move the vfskv.c extension to src/os_kv.c and make it part of the amalgamation,
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activated if and only if SQLITE_OS_KV is true.
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2022-09-10 18:20:59 +00:00
drh
25f62508f5
Database must be named either "local" or "session". Each has a distinct
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namespace.
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2022-09-09 16:16:33 +00:00
drh
f7377d5763
Separate sqlite3_io_methods objects for database files and journals.
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2022-09-09 14:22:41 +00:00
drh
126976c9f8
Simple reading and writing now works.
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2022-09-09 11:41:54 +00:00
drh
7cd81af3a9
Compiles and loads as an extension. Starts to run but quickly hits issues.
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2022-09-08 17:12:12 +00:00
drh
e3485ee996
Compiles without error, but untested.
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2022-09-08 16:27:50 +00:00
drh
cb94132d9f
Code snapshot. Completely untested. Probably does not compile.
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2022-09-08 15:48:01 +00:00
drh
59ece7e106
Non-working code towards a VFS for text key/value storage.
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2022-09-07 17:29:22 +00:00
drh
2e440a0801
Add the tool/omittest-msvc.tcl script that will try to build using MSVC
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using various compile-time options, to ensure that the compile-time options
all build without errors.
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2022-09-05 22:54:36 +00:00
drh
0c4517a61a
Get the tool/omittest-msvc.tcl script working.
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2022-09-05 22:53:24 +00:00
drh
4c8404e555
Add a prototype for a script, similar to tool/omittest.tcl, that is designed
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to test builds using MSVC to ensure they work with various OMIT options.
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2022-09-05 20:42:01 +00:00
drh
6e440ab3de
Fix the windows build so that it works with -DSQLITE_OMIT_AUTOINIT.
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2022-09-05 18:17:03 +00:00
dan
ad617b4d6d
Ensure the Pager.journalOff variable is zeroed if an error occurs while writing the initial header to the journal file.
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2022-09-02 21:19:24 +00:00
drh
173b418e60
Fix an assert() associated with the dbsqlfuzz error at [8372468bb5d8922c].
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2022-09-02 17:25:25 +00:00
drh
5fc3a8a32f
If sqlite3PcacheMove() really performs a swap, then be sure to renumber the
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second page.
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2022-09-02 15:09:55 +00:00
drh
4e9bf5ace3
Enhance the pcache1 implementation so that during an xRekey operation if
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another page already exists at the destination, that other page gets moved
to the source key.
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2022-09-02 14:29:54 +00:00
drh
e04c9f4b33
Mutex protect access to the sqlite3_test_directory and sqlite3_data_directory
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global variables. See
[forum:/forumpost/719a11e1314d1c70|forum thread 719a11e1314d1c70].
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2022-09-02 11:45:26 +00:00
drh
fee6431392
Improved mutex protection of the sqlite3_temp_directory and
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sqlite3_data_directory global variables.
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2022-09-02 11:12:16 +00:00
drh
18a3a48db1
Experimental changes to put sqlite3_temp_directory behind a mutex.
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2022-09-02 00:36:16 +00:00
drh
44132244fa
Defer deleting a transient SELECT statement associated with a flattening
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of one arm of a compound SELECT until after the parse has completed.
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2022-09-01 13:51:09 +00:00
drh
a3fc683c80
In the query planner, add a heuristic that will reduce the cost of a full
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table scan for a materialized view or subquery if the full scan is the
outer-most loop. This is shown to speed up some queries.
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2022-09-01 10:29:02 +00:00
drh
9c3a114ca0
Enhance the b-tree page sorting code to ensure that sqlite3PagerRekey() never
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overloads a page number and uses only the PENDING_BYTE page for temporary
storage.
FossilOrigin-Name: 5007742886bd20de20be3973737cf46b010359911615eb3da69cd262bd9a2435
2022-08-31 15:04:42 +00:00
drh
78d15f097a
Improved comments in pcache1.c. No changes to code.
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2022-08-30 16:54:41 +00:00
drh
4d28830861
Any function call can abort. Take this into account when deciding if a DML
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statement needs a statement journal. See
[forum:/forumpost/9b9e4716c0d7bbd1|forum thread 9b9e4716c0d7bbd1] for more
information.
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2022-08-30 00:11:51 +00:00
drh
f0f025b340
More assert() statements in the page cache.
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2022-08-27 16:11:00 +00:00
drh
f6e3e31625
Ensure that every pcache page always has either the PGHDR_DIRTY or the
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PGHDR_CLEAN bit set, even during transient page reshuffling during btree
balancing.
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2022-08-27 14:43:34 +00:00
drh
23593f8e99
Ensure that sqlite3_prepare() inputs always have a semicolon terminator in
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speedtest1.
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2022-08-25 19:29:35 +00:00
drh
09cb5eb5ac
Add the --script option to speedtest1.
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2022-08-25 19:19:25 +00:00
dan
aa07b36dd5
Remove a NEVER() macro for a condition that is actually reachable following an OOM. dbsqlfuzz crash-6ef3cd3b18ccc5de86120950a0498641acd90a33.txt.
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FossilOrigin-Name: b573e2cffa5fedc893ed30e76e47022b3617ac5583e1eb486afa810b2514c419
2022-08-25 13:32:55 +00:00
drh
7383f5a7d9
Add a mutex to the sqlite3_db_config() interface so that it is threadsafe
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when two or more threads call it on the same database connection at the same
time.
FossilOrigin-Name: 459ad8846ee1ee2d3b277a291c47121692bdf477e779b06e77be8338f62237a6
2022-08-24 17:59:00 +00:00
dan
2ce2b779bb
Fix an inefficiency in the ".dump" command when outputing large blob literals.
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2022-08-24 11:51:31 +00:00
drh
e5928b17ca
Change the names of the Vdbe.pVNext and Vdbe.ppVPrev fields to make them
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unique. Change to ppVPrev to save a few bytes and a few CPU cycles.
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2022-08-23 20:11:01 +00:00
drh
35908b167f
Enhance assert() statements to enforce tighter bounds on the P5 operand of
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the OP_Next and OP_Prev opcodes.
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2022-08-23 17:51:39 +00:00
stephan
f7415736d1
Add mksourceid binary to the clean rules and $(TESTPROGS) to distclean.
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FossilOrigin-Name: ae3e82f5a3332bea261aca6a0dd02063cf7056c023204cc10f1ae18d75249f91
2022-08-23 16:55:19 +00:00
drh
376860ba88
Performance enhancement for sqlite3DbFree().
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2022-08-22 15:18:37 +00:00
drh
41ce47c4f4
Add the new internal interface sqlite3DbNNFreeNN(db,ptr) where both the
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db and ptr parameters are guaranteed to be non-NULL. Use this where
appropriate to save more than 2 million CPU cycles on the standard
performance test.
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2022-08-22 02:00:26 +00:00
drh
05cb948bf7
Merge the test case for dbsqlfuzz 18fe4e257be7fa3ecfb0424ab7427e41e97ef9e3
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assertion fault, which is fixed with the previous check-in.
FossilOrigin-Name: 2d13ec086e96a5446462ce0f689c40c8196e740cd693f5967bfe9eb961f03463
2022-08-20 19:45:41 +00:00
