drh 98b677f2cb Overhaul of EXPLAIN QUERY PLAN. The output is now in the form of a tree. ...

More details of the query plan are shown, and what is shown is truer to what
actually happens.

FossilOrigin-Name: ff01bbdabc4b9db3db8b928979442c91b32d72082158e4f5fe62ae51a73649d2

2018-05-03 19:56:50 +00:00

..

alter.c

Add the new sqlite3.mDbFlags field. Factor out bits of sqlite3.flags that

2017-07-26 19:59:13 +00:00

analyze.c

Fix the ANALYZE command so that it will process tables whose names begin

2018-03-23 12:59:10 +00:00

attach.c

Avoid many unnecessary calls to sqlite3ReadSchema() and sqlite3Init() when

2018-04-25 12:01:45 +00:00

auth.c

Size optimization in the authorizer error message generation logic.

2017-08-17 18:54:27 +00:00

backup.c

Allocate Parse objects off of the stack where appropriate for a substantial

2016-10-03 01:21:51 +00:00

bitvec.c

Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE.

2016-12-07 15:49:02 +00:00

btmutex.c

Avoid many unnecessary calls to sqlite3ReadSchema() and sqlite3Init() when

2018-04-25 12:01:45 +00:00

btree.c

Add the "PRAGMA reset_database=ON|OFF" command. When on, it causes the

2018-04-28 01:27:09 +00:00

btree.h

Change the function name to sqlite_unsupported_offset(X). Only enable the

2017-12-29 15:04:49 +00:00

btreeInt.h

Rearrange fields of the BtCursor object so that it is smaller and requires less

2018-01-24 16:04:21 +00:00

build.c

The SQLITE_ALLOW_SQLITE_MASTER_INDEX compile-time option allows a CREATE INDEX

2018-05-01 18:39:31 +00:00

callback.c

The query planner tries to avoids using indexes that use unknown collating

2017-12-08 19:37:04 +00:00

complete.c

Enhance ability to debug out-of-memory errors.

2016-02-13 23:43:46 +00:00

ctime.c

Omit some code not used without SQLITE_ENABLE_SORTER_REFERENCES. Improvements

2018-04-18 14:48:08 +00:00

date.c

Fix typo in comment. No changes to code.

2017-12-07 22:04:53 +00:00

dbpage.c

Fix harmless compiler warning seen with MSVC.

2017-11-10 12:41:21 +00:00

dbstat.c

Modify the sqlite3OsFileControl() interface to detect unopened sqlite3_file

2018-03-29 13:47:01 +00:00

delete.c

Avoid the use of statement journals on DELETEs of a single row without

2018-04-20 19:46:52 +00:00

expr.c

Optimizations to the new EQP framework.

2018-05-03 19:47:14 +00:00

fault.c

Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE.

2016-12-07 15:49:02 +00:00

fkey.c

In the parse tree, combine LIMIT and OFFSET into a single expression rooted

2017-11-14 23:48:23 +00:00

func.c

Fix misplaced testcase() macros from the previous check-in.

2018-02-10 02:31:30 +00:00

global.c

Add SQLITE_CONFIG_SORTERREF_SIZE configuration option.

2018-04-16 21:12:42 +00:00

hash.c

Make the hash table implementation a little smaller and faster.

2017-07-05 23:33:33 +00:00

hash.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

hwtime.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

in-operator.md

Refactor the sqlite3ExprCodeIN() routine for improved maintainability.

2016-08-25 21:14:34 +00:00

insert.c

Add test cases for UPSERT. And a fix for a "REPLACE INTO ... ON CONFLICT"

2018-04-20 15:34:08 +00:00

legacy.c

Simplify error handling logic in sqlite3_exec() to save about 40 bytes.

2017-06-28 01:21:16 +00:00

loadext.c

Make the new sqlite3_vtab_collation() interface accessible to loadable

2018-01-16 20:50:37 +00:00

main.c

Add the SQLITE_DBCONFIG_RESET_DATABASE control as a replacement for

2018-04-28 12:43:16 +00:00

malloc.c

Tag an unreachable branch using ALWAYS().

2018-01-10 13:58:23 +00:00

mem0.c

…

mem1.c

New simplified memory initialization for MacOS.

2017-03-21 20:17:24 +00:00

mem2.c

…

mem3.c

Performance optimizations to the sqlite3MallocSize() by requiring the

2015-10-15 16:20:57 +00:00

mem5.c

Small simplification and performance improvement in memsys5Free().

2016-01-25 01:07:59 +00:00

memdb.c

Minor comment changes.

2018-03-28 15:06:39 +00:00

memjournal.c

More precise determination of when an in-memory journal needs to be

2017-07-28 18:16:14 +00:00

msvc.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

mutex_noop.c

Add static mutexes for use by the built-in / third-party VFSs and use the built-in VFS mutex where appropriate.

2015-07-03 21:38:09 +00:00

mutex_unix.c

Fix a data race causing a tsan complaint with SQLITE_ENABLE_API_ARMOR builds

2018-02-17 07:38:50 +00:00

mutex_w32.c

Port mutex enhancments from check-in [f53b8a573b] to the Win32 implementation.

2018-02-18 00:54:06 +00:00

mutex.c

Fix a compilation problem when both SQLITE_ENABLE_MULTITHREADED_CHECKS and

2017-12-05 14:58:59 +00:00

mutex.h

Attempt to declare sqlite3MemoryBarrier() correctly for all possible

2015-09-10 04:17:06 +00:00

notify.c

…

os_common.h

Enhance the MSVC makefile to enable building 'testfixture' fully from source code.

2016-02-11 21:28:16 +00:00

os_setup.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

os_unix.c

Avoid a race condition that might cause a busy_timeout to last longer than

2018-03-26 20:43:05 +00:00

os_win.c

Add sqlite3_win32_set_directory8() and sqlite3_win32_set_directory16() functions.

2018-05-02 03:01:50 +00:00

os_win.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

os.c

When testing, avoid injecting an OOM fault into a file-control call made by

2018-04-10 14:29:51 +00:00

os.h

Fix compiler warnings that come up with SQLITE_OMIT_WAL.

2017-10-05 20:57:38 +00:00

pager.c

Modify the sqlite3OsFileControl() interface to detect unopened sqlite3_file

2018-03-29 13:47:01 +00:00

pager.h

Avoid a race condition that might cause a busy_timeout to last longer than

2018-03-26 20:43:05 +00:00

parse.y

Add the %extra_context directive to lemon, as an alternative to %extra_argument.

2018-04-21 13:51:42 +00:00

pcache1.c

Small performance optimization in pcache1.

2017-08-30 04:44:59 +00:00

pcache.c

Fix a typo causing SQLITE_LOG_CACHE_SPILL builds to fail.

2018-03-12 21:09:16 +00:00

pcache.h

Small size and performance improvement in pcacheManageDirtyList() by not

2017-09-01 12:18:41 +00:00

pragma.c

Merge latest trunk changes with this branch.

2017-10-11 20:26:07 +00:00

pragma.h

Add the SQLITE_DBCONFIG_RESET_DATABASE control as a replacement for

2018-04-28 12:43:16 +00:00

prepare.c

Fix a dangling-else problem that was causing recursive CTEs to malfunction.

2018-05-02 14:24:34 +00:00

printf.c

Optimize calls to sqlite3_mprintf("%z...") so that they attempt to append

2018-02-20 15:23:37 +00:00

random.c

Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE.

2016-12-07 15:49:02 +00:00

resolve.c

Add new testcase() macros and fix a bug that was revealed when trying to

2018-04-18 01:34:39 +00:00

rowset.c

Optimizations to link list merge sort code in vdbesort.c, pcache.c, and

2016-05-20 14:54:54 +00:00

select.c

Optimizations to the new EQP framework.

2018-05-03 19:47:14 +00:00

shell.c.in

Begin reengineering the EXPLAIN QUERY PLAN function to provide more

2018-05-02 00:33:43 +00:00

sqlite3.rc

More work on the MSVC build.

2016-01-23 00:07:51 +00:00

sqlite3ext.h

Fix the sqlite3ext.h header file so that it correctly accesses the

2018-01-24 11:25:59 +00:00

sqlite.h.in

Add sqlite3_win32_set_directory8() and sqlite3_win32_set_directory16() functions.

2018-05-02 03:01:50 +00:00

sqliteInt.h

Optimizations to the new EQP framework.

2018-05-03 19:47:14 +00:00

sqliteLimit.h

Begin enforcing the SQLITE_LIMIT_VDBE_OP. The documentation warned that this

2017-03-17 22:50:16 +00:00

status.c

Add the SQLITE_DBSTATUS_CACHE_SPILL option to sqlite3_db_status()

2018-03-14 14:53:50 +00:00

table.c

If compiled with SQLITE_INLINE_MEMCPY, all memcpy() calls are replaced with

2017-01-19 21:20:11 +00:00

tclsqlite.c

Fix the second callback argument to the "profile" response of the

2018-03-10 20:25:08 +00:00

test1.c

Add the SQLITE_DBCONFIG_RESET_DATABASE control as a replacement for

2018-04-28 12:43:16 +00:00

test2.c

Have wal file checkpoints exit early if the sqlite3_interrupt() API function is called.

2016-08-12 16:21:15 +00:00

test3.c

Change sqlite3BtreeNext() and sqlite3BtreePrevious() so that they return

2017-05-30 18:34:07 +00:00

test4.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test5.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test6.c

Add a test for the outcome of a process crash within an xWrite VFS method

2017-07-22 20:12:31 +00:00

test7.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test8.c

Enhance the vtab interface to handle IS, !=, IS NOT, IS NULL and IS NOT NULL

2017-09-09 19:41:12 +00:00

test9.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_async.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_autoext.c

Avoid making unnecessary changes to the signatures of the

2016-08-01 14:35:48 +00:00

test_backup.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_bestindex.c

Enhance the vtab interface to handle IS, !=, IS NOT, IS NULL and IS NOT NULL

2017-09-09 19:41:12 +00:00

test_blob.c

Handle a real OOM condition when incrblob2.test is run on a low-memory machine.

2017-07-24 17:37:35 +00:00

test_btree.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_config.c

Improved documentation for sqlite3_serialize() and sqlite3_deserialize().

2018-03-06 21:43:19 +00:00

test_delete.c

Reinstate the SQLITE_API qualifier on the sqlite3_delete_database() method in

2017-04-13 15:51:27 +00:00

test_demovfs.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_devsym.c

Add a test for the outcome of a process crash within an xWrite VFS method

2017-07-22 20:12:31 +00:00

test_fs.c

Fix a bug in test_fs.c that occurs when the first component of a path contains

2017-06-05 16:33:53 +00:00

test_func.c

Fix harmless compiler warning seen with MSVC.

2017-10-07 23:58:55 +00:00

test_hexio.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_init.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_intarray.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_intarray.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

test_journal.c

Do not run sync2.test as part of the "journaltest" permutation, as it uses

2017-03-20 16:06:48 +00:00

test_loadext.c

Fix some more harmless compiler warnings.

2015-12-16 22:06:52 +00:00

test_malloc.c

Add the SQLITE_DBSTATUS_CACHE_SPILL option to sqlite3_db_status()

2018-03-14 14:53:50 +00:00

test_md5.c

Move some test logic out of tclsqlite.c and into auxiliary test_*.c files.

2017-10-13 15:06:06 +00:00

test_multiplex.c

Remove the mutex from test_multiplex.c.

2016-10-27 14:51:02 +00:00

test_multiplex.h

Fix various internal #defines to conform to new C-language naming restrictions,

2016-07-09 16:14:45 +00:00

test_mutex.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_onefile.c

More harmless compiler warning fixes.

2016-04-12 20:05:06 +00:00

test_osinst.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_pcache.c

…

test_quota.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_quota.h

…

test_rtree.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_schema.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_server.c

…

test_sqllog.c

Adjust filename creation in test_sqllog.c so that it uses leading zeros on

2017-01-04 14:53:53 +00:00

test_superlock.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_syscall.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_tclsh.c

Merge latest trunk changes into this branch.

2017-11-29 16:16:29 +00:00

test_tclvar.c

Test case for writing to a WITHOUT ROWID virtual table. The TCLVAR virtual

2017-08-10 17:53:11 +00:00

test_thread.c

Avoid making unnecessary changes to the signatures of the

2016-08-01 14:35:48 +00:00

test_vfs.c

Make sure the SQLITE_TCLAPI macro is always defined.

2016-07-28 17:11:20 +00:00

test_vfstrace.c

…

test_windirent.c

Remove the dependency on test_windirent.h from the generated shell.c file.

2018-01-07 21:58:17 +00:00

test_windirent.h

Skip defining WIN32_LEAN_AND_MEAN when it is already defined.

2018-01-23 07:11:05 +00:00

test_wsd.c

…

threads.c

Enhance ability to debug out-of-memory errors.

2016-02-13 23:43:46 +00:00

tokenize.c

Add the %extra_context directive to lemon, as an alternative to %extra_argument.

2018-04-21 13:51:42 +00:00

treeview.c

Optimizations to the new EQP framework.

2018-05-03 19:47:14 +00:00

trigger.c

Add new testcase() macros and fix a bug that was revealed when trying to

2018-04-18 01:34:39 +00:00

update.c

The previous fix for ticket [d85fffd6ffe856092ed8da] in check-in

2018-04-26 18:34:26 +00:00

upsert.c

Fix a VDBE comment on upsert. Provide an error message when upsert detects

2018-04-20 18:01:31 +00:00

utf.c

Compile cleanly with SQLITE_OMIT_UTF16.

2017-07-12 12:19:33 +00:00

util.c

Changes to avoid a harmless UB warning from clang.

2018-01-27 14:25:27 +00:00

vacuum.c

Prevent VACUUM from running any commands in sqlite_master.sql other than

2018-05-02 15:00:26 +00:00

vdbe.c

Detect corruption in the form of the sqlite_sequence table pointing to the

2018-03-16 23:59:36 +00:00

vdbe.h

Optimizations to the new EQP framework.

2018-05-03 19:47:14 +00:00

vdbeapi.c

Improve detection of out-of-range parameters in sqlite3_stmt_status() for

2018-03-14 08:27:39 +00:00

vdbeaux.c

Begin reengineering the EXPLAIN QUERY PLAN function to provide more

2018-05-02 00:33:43 +00:00

vdbeblob.c

Fix a problem in the incr-blob code causing a new cursor to be opened for

2017-10-24 17:28:25 +00:00

vdbeInt.h

Always interpret non-zero floating-point values as true even if their

2018-02-26 15:27:31 +00:00

vdbemem.c

Enhance ALTER TABLE ADD COLUMN to support "DEFAULT true" and "DEFAULT false".

2018-04-18 11:35:35 +00:00

vdbesort.c

Remove the rarely-used scratch memory allocator. This makes the code smaller,

2017-08-28 15:51:35 +00:00

vdbetrace.c

Fix a few over-length source code lines. No functional changes.

2017-08-25 19:51:51 +00:00

vtab.c

Avoid using lookaside memory for persistent virtual table structures.

2017-10-02 13:20:43 +00:00

vxworks.h

Only use lstat() if the HAVE_LSTAT macro is defined. Fix some test file issues.

2016-01-25 18:43:05 +00:00

wal.c

Fix walIteratorInit() so that it always leaves the iterator as a NULL pointer

2018-03-05 23:23:28 +00:00

wal.h

Update the mechanism used to keep track of what kind of syncing to do for

2017-08-25 01:14:43 +00:00

walker.c

In the parse tree, combine LIMIT and OFFSET into a single expression rooted

2017-11-14 23:48:23 +00:00

where.c

Enhance EXPLAIN QUERY PLAN to report the generation of constant rows using

2018-05-03 01:37:13 +00:00

wherecode.c

Fix a dangling-else problem that was causing recursive CTEs to malfunction.

2018-05-02 14:24:34 +00:00

whereexpr.c

All the OR optimization to proceed even if the OR is also converted into

2018-04-24 16:41:37 +00:00

whereInt.h

Fix the sqlite3WhereTrace mechanism so that it compiles with

2018-04-05 12:02:27 +00:00