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git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Mon, 1 Apr 2019 20:57:11 +0000 (20:57 +0000)]
Performance improvement on the OP_Variable opcode.
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drh [Fri, 29 Mar 2019 17:26:44 +0000 (17:26 +0000)]
Change the fts3_tokenizer() function to always return the pointer as a BLOB
as long as the first argument is a bound parameter, regardless of the
SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER setting.
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drh [Fri, 29 Mar 2019 11:39:41 +0000 (11:39 +0000)]
The two-argument version of fts3_tokenizer() works regardless of the
value of SQLITE_DBCONFIG_ENABLE_FT3_TOKENIZER as long as the second
argument is a bind parameter.
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drh [Fri, 29 Mar 2019 11:13:37 +0000 (11:13 +0000)]
Initial implementation of the sqlite3_value_frombind() interface.
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drh [Fri, 29 Mar 2019 01:15:11 +0000 (01:15 +0000)]
Recover a some of the performance lost by window function alias fix two
check-ins back.
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drh [Thu, 28 Mar 2019 20:50:41 +0000 (20:50 +0000)]
dan [Thu, 28 Mar 2019 16:15:05 +0000 (16:15 +0000)]
Prevent aliases of window functions expressions from being used as arguments to aggregate or other window functions.
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drh [Thu, 28 Mar 2019 13:53:12 +0000 (13:53 +0000)]
Show the pointer address for Window objects in the TreeView display.
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drh [Thu, 28 Mar 2019 13:35:28 +0000 (13:35 +0000)]
More improvements to TreeView output for Window objects:
(1) Show when the frame-spec is implied rather than explicit.
(2) Move the FILTER clause out from within the OVER clause, making it
a sibling of the OVER clause, to match syntax.
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drh [Thu, 28 Mar 2019 13:03:41 +0000 (13:03 +0000)]
Improved TreeView display of Window objects.
Change the Window.eType field to Window.eFrmType to avoid confusion with
other "eType" values.
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drh [Thu, 28 Mar 2019 04:03:17 +0000 (04:03 +0000)]
If the string formatter in sqlite3NestedParse() fails due to an over-length
string, make sure this error is recorded by the parser so that it knows to
fail.
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drh [Thu, 28 Mar 2019 01:00:37 +0000 (01:00 +0000)]
Improvements to the README.md file. No code changes.
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mistachkin [Wed, 27 Mar 2019 14:59:56 +0000 (14:59 +0000)]
Support building the Tcl bindings DLL using MSVC.
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mistachkin [Wed, 27 Mar 2019 14:58:18 +0000 (14:58 +0000)]
Fix harmless compiler warnings seen with MSVC.
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dan [Tue, 26 Mar 2019 16:47:17 +0000 (16:47 +0000)]
Fix a problem with window frames that use "BETWEEN <start> AND 0 PRECEDING".
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drh [Tue, 26 Mar 2019 16:21:11 +0000 (16:21 +0000)]
dan [Tue, 26 Mar 2019 13:08:34 +0000 (13:08 +0000)]
Add support for new window functions related features - GROUPS frames, RANGE frames with logical start and end points, the EXCLUDE clause and window chaining.
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drh [Mon, 25 Mar 2019 22:05:22 +0000 (22:05 +0000)]
Fix an obsolete comment in the CLI. No code changes.
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drh [Mon, 25 Mar 2019 21:56:26 +0000 (21:56 +0000)]
In the CLI, code the "sqlite_parameters" name directly rather than using a
macro, for clarity of presentation for users who are reading the code for
the purpose of seeing how the CLI implements parameter binding.
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drh [Mon, 25 Mar 2019 21:55:44 +0000 (21:55 +0000)]
Remove a test from the index build logic which is no longer needed and is
in fact unreachable.
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drh [Mon, 25 Mar 2019 21:35:41 +0000 (21:35 +0000)]
Change the name of the parameter table in the CLI to "sqlite_parameters".
Doing so involves adding SQLITE_DBCONFIG_WRITABLE_SCHEMA and allowing the
creation of tables whose names begin with "sqlite_" and that are indexed
while writable_schema is on.
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drh [Mon, 25 Mar 2019 19:50:19 +0000 (19:50 +0000)]
Earlier detection of corruption while added to the freelist.
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drh [Mon, 25 Mar 2019 18:44:08 +0000 (18:44 +0000)]
Fix a faulty assert() statement in balance_nonroot() - the assert() should use
get2byteNotZero() instead of get2byte() for the corner case where the
number cells is zero on a 65536-byte page.
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drh [Mon, 25 Mar 2019 15:09:19 +0000 (15:09 +0000)]
drh [Mon, 25 Mar 2019 15:06:16 +0000 (15:06 +0000)]
Fix the writefile() SQL function implemented by ext/misc/fileio.c such that
any directories created have standard umask permissions, not permissions
of the file that is to be written.
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drh [Mon, 25 Mar 2019 14:24:19 +0000 (14:24 +0000)]
For the ".archive --update" command in the CLI, only update files if their
mtime or mode has changed. To force an update, use the new --insert instead.
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mistachkin [Sat, 23 Mar 2019 00:38:52 +0000 (00:38 +0000)]
mistachkin [Fri, 22 Mar 2019 22:34:16 +0000 (22:34 +0000)]
mistachkin [Fri, 22 Mar 2019 16:52:17 +0000 (16:52 +0000)]
Attempt to detect when the MSVC linker requires the /MACHINE argument.
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dan [Fri, 22 Mar 2019 13:56:49 +0000 (13:56 +0000)]
Fix a problem with a window function in a correlated sub-query where at least one reference to the outer SELECT appears in a FROM clause sub-select.
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drh [Fri, 22 Mar 2019 13:53:25 +0000 (13:53 +0000)]
We learn that readdir_r() is deprecated in favor of plain old readdir(), which
is now suppose to be threadsafe using thread-local storage. So remove the
use of readdir_r() from the test code. (SQLite itself never calls readdir()
or readdir_r()).
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drh [Fri, 22 Mar 2019 11:38:14 +0000 (11:38 +0000)]
Add the --limit N option to dbfuzz2. Set the default callback limit to 250K.
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mistachkin [Fri, 22 Mar 2019 01:26:39 +0000 (01:26 +0000)]
mistachkin [Fri, 22 Mar 2019 01:25:16 +0000 (01:25 +0000)]
Support building the Tcl bindings DLL using MSVC.
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dan [Thu, 21 Mar 2019 21:18:36 +0000 (21:18 +0000)]
Add an extra test for database corruption to defragmentPage().
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dan [Thu, 21 Mar 2019 13:51:09 +0000 (13:51 +0000)]
Remove assert() statements based on the counter-factual proposition that 0 is not a valid cursor number.
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drh [Wed, 20 Mar 2019 18:22:51 +0000 (18:22 +0000)]
In the CLI, give better error messages if something goes wrong
with the ".dbinfo" command.
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dan [Wed, 20 Mar 2019 16:58:21 +0000 (16:58 +0000)]
Fix a potential dangling pointer deference in an ALTER TABLE run on a schema that contains constructs of the form "PRIMARY KEY(column COLLATE collation)".
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drh [Wed, 20 Mar 2019 12:08:27 +0000 (12:08 +0000)]
drh [Wed, 20 Mar 2019 11:16:09 +0000 (11:16 +0000)]
Enhance the rtreenode() function of rtree (used for testing) so that it
uses the newer sqlite3_str object for better performance and improved
error reporting.
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mistachkin [Wed, 20 Mar 2019 05:45:03 +0000 (05:45 +0000)]
Fix various harmless compiler warnings seen with MSVC.
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drh [Tue, 19 Mar 2019 20:42:42 +0000 (20:42 +0000)]
Enhance the VACUUM INTO command so that it works on read-only databases.
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drh [Tue, 19 Mar 2019 20:13:41 +0000 (20:13 +0000)]
dan [Tue, 19 Mar 2019 19:39:42 +0000 (19:39 +0000)]
dan [Tue, 19 Mar 2019 19:19:53 +0000 (19:19 +0000)]
Fix a problem with EXCLUDE clauses on window frames with no ORDER BY.
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dan [Tue, 19 Mar 2019 17:45:31 +0000 (17:45 +0000)]
Add tests to ensure that the window functions implementation is not generating code for unnecessary sorts.
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dan [Tue, 19 Mar 2019 16:49:15 +0000 (16:49 +0000)]
Add missing VdbeCoverage() macros to new code in window.c.
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drh [Tue, 19 Mar 2019 15:36:46 +0000 (15:36 +0000)]
When computing the amount of scratch memory needed during a rebalance operation,
assume the worst case for the number of cells per page, rather than relying
on the BtPage.nCell value, which might be incorrect for a corrupt database.
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dan [Tue, 19 Mar 2019 11:56:39 +0000 (11:56 +0000)]
Revert the OP_MustBeInt opcode implementation on this branch so that it again matches trunk. The extra functionality is no longer required.
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dan [Tue, 19 Mar 2019 11:35:18 +0000 (11:35 +0000)]
Tweak the tool/cg_anno.tcl script so that it can run on systems without /usr/bin/tclsh.
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dan [Tue, 19 Mar 2019 11:17:28 +0000 (11:17 +0000)]
Update this branch with latest trunk changes.
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drh [Tue, 19 Mar 2019 09:57:52 +0000 (09:57 +0000)]
Add a LICENSE.md, containing the text of the blessing.
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dan [Tue, 19 Mar 2019 06:40:29 +0000 (06:40 +0000)]
Ensure that all the new window-function keywords can still be used as SQL identifiers.
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dan [Mon, 18 Mar 2019 21:19:40 +0000 (21:19 +0000)]
Add further tests for new window function functionality.
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dan [Mon, 18 Mar 2019 18:55:35 +0000 (18:55 +0000)]
Always evaluate window functions using the alternative path usually only used by EXCLUDE frames if the SQLITE_QueryFlattener test flag is set.
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dan [Mon, 18 Mar 2019 16:51:24 +0000 (16:51 +0000)]
dan [Mon, 18 Mar 2019 15:49:07 +0000 (15:49 +0000)]
Fix a buffer overread that could occur when running fts5 prefix queries inside a transaction.
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dan [Mon, 18 Mar 2019 15:23:20 +0000 (15:23 +0000)]
Fix an fts5 problem with interleaving reads and writes in a single transaction.
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drh [Mon, 18 Mar 2019 10:30:00 +0000 (10:30 +0000)]
Fix a typo in a comment. No changes to code.
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drh [Sun, 17 Mar 2019 23:59:02 +0000 (23:59 +0000)]
drh [Sun, 17 Mar 2019 23:44:16 +0000 (23:44 +0000)]
Update the README.md file at the top level to talk about how to deal with
version names and how to verify the code in Git mirrors.
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dan [Sat, 16 Mar 2019 20:29:54 +0000 (20:29 +0000)]
Fix problems with RANGE windows and string, blob and NULL values.
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dan [Sat, 16 Mar 2019 10:15:24 +0000 (10:15 +0000)]
In order to identify the first row of each partition, check if the rowid in the ephemeral table is 1 instead of using a dedicated flag register.
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dan [Fri, 15 Mar 2019 20:46:19 +0000 (20:46 +0000)]
Implement the EXCLUDE clause for window frames.
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drh [Fri, 15 Mar 2019 19:08:23 +0000 (19:08 +0000)]
Back out the change to support Fuchsia, since it turns out fuchsia does not
like dot-file locks.
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dan [Fri, 15 Mar 2019 18:57:49 +0000 (18:57 +0000)]
Remove a debugging printf() left in test/sessionfuzz.c.
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dan [Fri, 15 Mar 2019 16:17:32 +0000 (16:17 +0000)]
Ensure that ALTER TABLE commands open statement transactions. Fix for [
596d059a ].
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dan [Thu, 14 Mar 2019 20:53:21 +0000 (20:53 +0000)]
Parse EXCLUDE clauses in window frames. They do not yet work.
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dan [Thu, 14 Mar 2019 16:36:20 +0000 (16:36 +0000)]
Add things to this branch that will be required to support the EXCLUDE clause.
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drh [Thu, 14 Mar 2019 00:01:23 +0000 (00:01 +0000)]
Technical improvements to the documentation for sqlite3_bind_blob() and
sqlite3_bind_text(). No changes to code.
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drh [Wed, 13 Mar 2019 23:51:05 +0000 (23:51 +0000)]
Improvements to the sqlite3_db_filename() API documentation. No code changes.
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dan [Wed, 13 Mar 2019 17:31:20 +0000 (17:31 +0000)]
Merge latest trunk changes into this branch.
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dan [Wed, 13 Mar 2019 17:20:27 +0000 (17:20 +0000)]
Avoid allocating excessive registers for the PARTITION BY expressions when processing window functions.
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dan [Wed, 13 Mar 2019 15:29:14 +0000 (15:29 +0000)]
Remove rows from the ephemeral table used by window functions once they are no longer required.
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drh [Wed, 13 Mar 2019 13:19:05 +0000 (13:19 +0000)]
dan [Wed, 13 Mar 2019 11:40:30 +0000 (11:40 +0000)]
When deserializing a database (sqlite3_deserialize()), do not attempt to parse the schema before the data is loaded.
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drh [Wed, 13 Mar 2019 10:29:16 +0000 (10:29 +0000)]
Detect zero-length free slots on btree pages and report that as corruption.
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dan [Wed, 13 Mar 2019 08:28:51 +0000 (08:28 +0000)]
Minor optimization in sqlite3WindowCodeStep().
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dan [Tue, 12 Mar 2019 18:28:51 +0000 (18:28 +0000)]
Allow real values to be used in PRECEDING and FOLLOWING expressions for RANGE window frames.
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dan [Tue, 12 Mar 2019 15:21:51 +0000 (15:21 +0000)]
Expand on header comment for sqlite3WindowCodeStep(). Further simplify the implementation of the same.
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dan [Tue, 12 Mar 2019 09:49:10 +0000 (09:49 +0000)]
Fix a crash that could occur if the RHS of an IN expression is a correlated sub-query that refers to the outer query from within a window frame definition only.
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dan [Mon, 11 Mar 2019 19:50:54 +0000 (19:50 +0000)]
Remove "cache mode" from the window frame code generator. Handle the same cases by editing the window frame specification itself.
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dan [Mon, 11 Mar 2019 18:17:04 +0000 (18:17 +0000)]
Simplify the windows frame code some. Add a comment explaining some of the VM code generated by sqlite3WindowCodeStep().
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dan [Mon, 11 Mar 2019 11:12:34 +0000 (11:12 +0000)]
Fix problems with "RANGE ... ORDER BY <expr> DESC" window frames.
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dan [Sat, 9 Mar 2019 20:49:17 +0000 (20:49 +0000)]
Add support for RANGE window frames. Some cases still do not work.
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dan [Sat, 9 Mar 2019 07:38:16 +0000 (07:38 +0000)]
Merge latest trunk changes into this branch.
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dan [Fri, 8 Mar 2019 20:57:05 +0000 (20:57 +0000)]
drh [Fri, 8 Mar 2019 20:26:12 +0000 (20:26 +0000)]
dan [Fri, 8 Mar 2019 20:02:52 +0000 (20:02 +0000)]
Finish consolidation of window frame code. Add untested support for GROUPS frames.
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drh [Fri, 8 Mar 2019 14:07:15 +0000 (14:07 +0000)]
drh [Fri, 8 Mar 2019 14:02:11 +0000 (14:02 +0000)]
Patch makes balance_nonroot() slightly smaller and faster and more robust
against corrupt databases.
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dan [Fri, 8 Mar 2019 13:27:27 +0000 (13:27 +0000)]
Fix another segfault in fts3 that could occur with corrupt records.
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drh [Fri, 8 Mar 2019 01:52:30 +0000 (01:52 +0000)]
Detect an attempt to drop a btree that is not within the bounds of the
database file and abort early with an SQLITE_CORRUPT error, to avoid
problems later on in the process.
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dan [Thu, 7 Mar 2019 20:47:46 +0000 (20:47 +0000)]
Fix other "ROWS BETWEEN" cases on this branch.
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dan [Thu, 7 Mar 2019 19:26:17 +0000 (19:26 +0000)]
Modify new window functions function so that cursors are stepped immediately after each operation, instead of immediately before.
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dan [Wed, 6 Mar 2019 21:04:11 +0000 (21:04 +0000)]
Simplify the window function code generator some more.
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dan [Wed, 6 Mar 2019 17:12:32 +0000 (17:12 +0000)]
Improvements to the way built-in window functions are handled.
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drh [Wed, 6 Mar 2019 14:53:27 +0000 (14:53 +0000)]
drh [Wed, 6 Mar 2019 14:08:41 +0000 (14:08 +0000)]
Add an "|| CORRUPT_DB" term to an assert() that might be false if the database
is corrupt. Also add a branch to have sqlite3PagerMovepage() return
SQLITE_CORRUPT in that case.
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drh [Tue, 5 Mar 2019 23:49:17 +0000 (23:49 +0000)]
Fix a potential 32-bit integer overflow in the "showdb" utility program when
it is trying to interpret a corrupt database file.
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