drh b2d7137154 Back out the pager performance enhancement at [a1c090e08139f99d3], because it ...

turns out we should never allow a zero key into the pcache interface according
to the design specs, even if that page is immediately released without ever
being used.

FossilOrigin-Name: ec96293ead83603ebe5d7f250d6fdc11f22172f05a9513f175331437c3eaa4c8

2022-07-12 07:13:38 +00:00

..

alter.c

Minor simplification to ALTER TABLE logic.

2022-05-27 17:36:21 +00:00

analyze.c

When computing STAT1 values using ANALYZE, if a ratio comes out to be between

2022-04-27 16:41:56 +00:00

attach.c

Improved technique for parsing the ON and USING clauses of a join is faster

2022-04-07 01:11:13 +00:00

auth.c

Refactor field names in the Column object, zCnName and zCnColl, to make them

2021-08-02 18:03:43 +00:00

backup.c

Fix an obscure problem in sqlite3_backup_init() caused by

2022-01-31 12:29:14 +00:00

bitvec.c

Fix harmless static-analyzer warnings.

2021-10-04 22:34:38 +00:00

btmutex.c

…

btree.c

Very small size reduction and performance increase in btree.c.

2022-07-07 22:59:35 +00:00

btree.h

Add the sqlite3_changes64() and sqlite3_total_changes64() API functions.

2021-06-22 18:32:05 +00:00

btreeInt.h

Fix a minor typo in a comment.

2022-03-08 15:49:17 +00:00

build.c

Ensure that the Parse.nErr flag is set following an SQLITE_TOOBIG error on

2022-07-11 14:36:03 +00:00

callback.c

Merge the JSON function enhancements from the json-enhancements branch into

2022-01-08 15:37:13 +00:00

complete.c

…

ctime.c

Add the sqlite3Show() family of debugging interfaces under SQLITE_DEBUG.

2022-04-06 12:25:04 +00:00

date.c

Fix the 'localtime' modifier in date/time functions so that it preserves

2022-03-05 20:12:53 +00:00

dbpage.c

Avoid dropping error codes in the xBegin() method of virtual table sqlite_dbpage.

2022-07-06 13:59:45 +00:00

dbstat.c

Have the dbstat module arrange things internally so that there are 256 addressable bytes following each page buffer. This way, small buffer overreads caused by corrupt database pages do not lead to undefined behaviour.

2021-09-29 19:15:25 +00:00

delete.c

Improved technique for parsing the ON and USING clauses of a join is faster

2022-04-07 01:11:13 +00:00

expr.c

The subtype of a value should not propagate across a subquery boundary.

2022-06-09 16:19:01 +00:00

fault.c

…

fkey.c

Fix a problem with "ON DELETE RESTRICT" and "ON UPDATE RESTRICT" foreign keys in attached databases scanning child tables in the wrong schema.

2022-04-16 15:46:23 +00:00

func.c

Move the sqlite_offset() function implementation to be an in-line function,

2022-06-01 11:05:59 +00:00

global.c

Rename debugging defines and variables from SELECTTRACE to TREETRACE (and

2022-04-06 11:08:38 +00:00

hash.c

…

hash.h

Fix the previous check-in so that it works with virtual tables that add new

2021-10-21 19:48:14 +00:00

hwtime.h

…

in-operator.md

…

insert.c

Enhance the IdList object to exist in a single memory allocation (rather than

2022-04-15 15:47:14 +00:00

json.c

When constructing the JSON Path for the "fullpath" column of the

2022-04-04 15:15:45 +00:00

legacy.c

…

loadext.c

Add the sqlite3_db_name() interface.

2022-05-17 14:59:05 +00:00

main.c

Fix harmless compiler warnings about unused debugging functions in treeview.c.

2022-07-11 18:26:14 +00:00

malloc.c

When an OOM occurs and sets the Parse.nErr value, also set the Parse.nErr

2022-07-10 21:12:54 +00:00

mem0.c

…

mem1.c

…

mem2.c

Fix another harmless compiler warning for MSVC.

2021-10-12 02:26:32 +00:00

mem3.c

Extend the refactoring into extensions. Clean up stray newlines.

2020-06-19 15:24:12 +00:00

mem5.c

Performance optimization in the memsys5 memory allocator.

2022-03-28 13:22:54 +00:00

memdb.c

Fix an assert() in memdbTruncate() that could fail when processing a corrupt database.

2021-11-08 15:46:08 +00:00

memjournal.c

New assert() statements to help prove correctness of memjournal.c.

2022-02-15 11:46:31 +00:00

msvc.h

…

mutex_noop.c

…

mutex_unix.c

Refactoring various names. No changes in the resulting machine code.

2020-06-19 11:34:57 +00:00

mutex_w32.c

Refactoring various names. No changes in the resulting machine code.

2020-06-19 11:34:57 +00:00

mutex.c

Add new memory barriers during initialization.

2020-01-29 13:10:50 +00:00

mutex.h

…

notify.c

Refactoring various names. No changes in the resulting machine code.

2020-06-19 11:34:57 +00:00

os_common.h

…

os_setup.h

…

os_unix.c

Fix harmless compiler warnings in the new unixFullPathname implementation.

2022-05-17 15:11:57 +00:00

os_win.c

Harden the xShmLock method of both the unix and Windows VFSes so that they

2022-03-22 19:41:55 +00:00

os_win.h

…

os.c

Minor changes to make it easier for static analyzers to reason about the code.

2021-10-28 12:07:43 +00:00

os.h

For the unix VFS, rewrite the xFullPathname method so that it automatically

2022-05-11 16:46:27 +00:00

pager.c

Back out the pager performance enhancement at [a1c090e08139f99d3], because it

2022-07-12 07:13:38 +00:00

pager.h

Store the page number for the PENDING_BYTE page in the Pager object, rather

2022-02-23 17:00:44 +00:00

parse.y

Apply the UPDATE-FROM file from check-in [98b3816bbaf539ea] to

2022-05-28 14:03:23 +00:00

pcache1.c

Fix a compiler warning in pcache1. Reduce the maximum size of a pcache1

2021-08-09 19:54:27 +00:00

pcache.c

Some branches are no longer reachable after the previous change. Mark them

2022-03-21 18:48:31 +00:00

pcache.h

…

pragma.c

Use unpacked keys for OP_Found in foreign key processing.

2022-04-04 18:17:59 +00:00

pragma.h

For the "PRAGMA database_list" statement, do not check to see if the schema

2022-02-22 20:29:31 +00:00

prepare.c

Prevent an infinite loop on SQLITE_ERROR_RETRY when trying to modify a

2022-05-06 00:43:06 +00:00

printf.c

Redefine the acccess rules for the Expr.w union so that the Expr.w.iJoin

2022-05-13 16:38:40 +00:00

random.c

Add NULL checks on all sqlite3_vfs_find(0) calls. This is not strictly

2021-06-15 15:15:40 +00:00

resolve.c

Fix harmless compiler warnings seen with MSVC.

2022-07-06 23:50:01 +00:00

rowset.c

Fix typos in RowSet.

2020-03-09 03:21:33 +00:00

select.c

Remove an obsolete statement from a comment. No changes to code.

2022-07-08 11:55:54 +00:00

shell.c.in

Fix harmless compiler warnings seen with MSVC.

2022-07-06 23:50:01 +00:00

sqlite3.rc

…

sqlite3ext.h

Add the sqlite3_db_name() interface.

2022-05-17 14:59:05 +00:00

sqlite.h.in

Fix documentation type. [forum:/forumpost/8d900996ed|forum post 8d900996ed].

2022-06-25 18:55:08 +00:00

sqliteInt.h

Fix harmless compiler warnings about unused debugging functions in treeview.c.

2022-07-11 18:26:14 +00:00

sqliteLimit.h

Fix a crash that could occur in SQLITE_MAX_EXPR_DEPTH=0 builds when processing SQL containing syntax errors.

2020-08-20 16:25:26 +00:00

status.c

Only invoke sqlite3VdbeClearObject() from a single location, so that the

2022-04-04 01:12:11 +00:00

table.c

Use the sqlite3Realloc() interface internally, rather than the public

2020-05-17 00:26:44 +00:00

tclsqlite.c

Fix a minor problem in the Tcl "incrblob" command. This does not affect the SQLite core.

2022-06-01 14:32:05 +00:00

test1.c

Rename debugging defines and variables from SELECTTRACE to TREETRACE (and

2022-04-06 11:08:38 +00:00

test2.c

…

test3.c

…

test4.c

Add memory barriers to multi-threaded code in test4.c.

2022-05-16 16:55:22 +00:00

test5.c

…

test6.c

Fix some test code so that testfixture can build with SQLITE_OMIT_WAL defined.

2020-10-02 15:15:18 +00:00

test7.c

…

test8.c

When deleting an SQL function that does not exist, return without doing

2021-05-17 13:11:24 +00:00

test9.c

…

test_async.c

…

test_autoext.c

…

test_backup.c

…

test_bestindex.c

Test cases for sqlite3_vtab_in() and sqlite3_vtab_distinct().

2022-02-02 19:15:53 +00:00

test_blob.c

…

test_btree.c

…

test_config.c

Remove references to the now-defunct SQLITE_ENABLE_JSON1 compile-time option.

2022-02-17 14:33:13 +00:00

test_delete.c

…

test_demovfs.c

…

test_devsym.c

Fix some test code so that testfixture can build with SQLITE_OMIT_WAL defined.

2020-10-02 15:15:18 +00:00

test_fs.c

…

test_func.c

Omit the return value from sqlite3VdbeSerialGet() for a size reduction

2021-12-14 00:36:09 +00:00

test_hexio.c

Avoid a buffer overrun in test code that could occur if certain test functions were passed a hex-string containing an odd number of digits.

2020-08-20 11:03:33 +00:00

test_init.c

…

test_intarray.c

…

test_intarray.h

…

test_journal.c

…

test_loadext.c

…

test_malloc.c

Modifications to test code so that the sqlite3MemdebugHastype() assert() statements are enabled for Tcl tests.

2020-07-16 14:52:24 +00:00

test_md5.c

…

test_multiplex.c

Add pragmas "multiplex_enabled", "multiplex_chunksize", and "multiplex_filecount" to the multiplexer implementation.

2021-10-29 12:29:22 +00:00

test_multiplex.h

…

test_mutex.c

Further refactoring of the schema table name.

2020-06-19 13:33:53 +00:00

test_onefile.c

…

test_osinst.c

Refactoring various names. No changes in the resulting machine code.

2020-06-19 11:34:57 +00:00

test_pcache.c

…

test_quota.c

…

test_quota.h

…

test_rtree.c

…

test_schema.c

Further refactoring of the schema table name.

2020-06-19 13:33:53 +00:00

test_server.c

…

test_sqllog.c

Extend the refactoring into extensions. Clean up stray newlines.

2020-06-19 15:24:12 +00:00

test_superlock.c

…

test_syscall.c

…

test_tclsh.c

Add tests for legacy geometry callbacks to rtreedoc2.test.

2021-09-17 20:43:27 +00:00

test_tclvar.c

…

test_thread.c

Simplify the code by removing the unsupported and undocumented

2020-02-07 01:12:53 +00:00

test_vdbecov.c

…

test_vfs.c

Fix some test code so that testfixture can build with SQLITE_OMIT_WAL defined.

2020-10-02 15:15:18 +00:00

test_vfstrace.c

…

test_windirent.c

…

test_windirent.h

…

test_window.c

…

test_wsd.c

…

threads.c

…

tokenize.c

Ensure that the Parse.nErr flag is set following an SQLITE_TOOBIG error on

2022-07-11 14:36:03 +00:00

treeview.c

Fix harmless compiler warnings about unused debugging functions in treeview.c.

2022-07-11 18:26:14 +00:00

trigger.c

Fix further issues with ALTER TABLE and triggers that contain UPDATE..FROM statements.

2022-05-27 15:04:43 +00:00

update.c

Dbsqlfuzz discovered a case where a bytecode branch is in fact taken, so change

2022-06-15 12:32:27 +00:00

upsert.c

Refactor field names in the Column object, zCnName and zCnColl, to make them

2021-08-02 18:03:43 +00:00

utf.c

Work around a bug in clang-11.0.0.

2020-06-04 02:50:47 +00:00

util.c

Remove many redundant checks for sqlite3.mallocFailed now that any OOM should

2022-01-24 16:47:12 +00:00

vacuum.c

Perserve the requested reserved-bytes size for the database file when

2022-05-06 22:29:45 +00:00

vdbe.c

Put an ALWAYS() on an unreachable branch.

2022-06-25 20:32:29 +00:00

vdbe.h

For debug builds, if the RIGHT JOIN body subroutine contains a jump that

2022-04-23 18:04:31 +00:00

vdbeapi.c

Small performance improvement to sqlite3_finalize().

2022-06-30 22:46:28 +00:00

vdbeaux.c

Improved comment on sqlite3VdbeSwap(). No changes to code.

2022-07-03 11:16:03 +00:00

vdbeblob.c

Make it so that any Parse object is always linked into the database conenction

2022-01-24 15:34:55 +00:00

vdbeInt.h

Fix the OP_NullRow opcode so that it works even if it applied to an

2022-06-14 22:21:23 +00:00

vdbemem.c

Change a harmless assert() into a testcase(). The actually test case code

2022-06-25 02:39:29 +00:00

vdbesort.c

Small performance and size optimization to allocateCursor().

2022-01-03 01:43:28 +00:00

vdbetrace.c

Remove an unnecessary static buffer from sqlite3VdbeExpandSql().

2021-10-02 17:34:28 +00:00

vdbevtab.c

Fix compiler warnings in MSVC.

2020-07-30 17:37:49 +00:00

vtab.c

Disable trigger coding while running sqlite3_declare_vtab().

2022-03-14 20:31:57 +00:00

vxworks.h

…

wal.c

Back out the optimization at [1a8c2e54375ee2cf7] because there are some

2022-07-11 18:11:51 +00:00

wal.h

Block on the WRITER lock when attempting to run recovery.

2020-05-06 19:14:41 +00:00

walker.c

Protect all accesses to the Expr.x union using nearby assert()s and branches.

2021-10-07 17:43:30 +00:00

where.c

Performance optimizations in the WHERE clause processing of the query planner.

2022-07-08 20:03:41 +00:00

wherecode.c

Candidate fix for the problem with row-value WHERE clause constraints on

2022-06-01 13:32:47 +00:00

whereexpr.c

More comment fixes. No changes to code.

2022-06-22 15:55:28 +00:00

whereInt.h

Candidate fix for the problem with row-value WHERE clause constraints on

2022-06-01 13:32:47 +00:00

window.c

Organize the various flag bits of the ExprList_item object into a substructure

2022-05-02 20:49:30 +00:00