drh bf539c4d5c Begin an experimental refactoring to estimate the average number of bytes ...

in table and index rows and to use that information in query planner.
Begin by renaming WhereCost to LogEst and making that type and its
conversion routines available outside of where.c.

FossilOrigin-Name: 66c4a251d61582b47d5cbe50cbca160a9209bd06

2013-10-05 18:16:02 +00:00

..

alter.c

When possible, use the multi-column samples in sqlite_stat4 to estimate the number of index rows scanned by a query plan.

2013-08-06 20:01:43 +00:00

analyze.c

Further refinements of the index scanning speed logic.

2013-10-04 18:29:25 +00:00

attach.c

The sqlite3FixInit() routine cannot fail. So change the return type from "int"

2013-10-03 15:39:44 +00:00

auth.c

…

backup.c

Simplify the btreeGetPage() routine so that it uses a single flag parameter

2013-08-21 23:42:32 +00:00

bitvec.c

Many spelling fixes in comments. No changes to code.

2013-03-21 21:20:32 +00:00

btmutex.c

…

btree.c

Fix a faulty assert() in sqlite3BtreeBeginTrans() that may fail in shared-cache mode.

2013-09-26 11:04:33 +00:00

btree.h

Add the cache_spill pragma.

2013-08-16 20:42:20 +00:00

btreeInt.h

Bring some file format comments in btreeInt.h up to date.

2013-10-01 20:29:30 +00:00

build.c

Further refinements of the index scanning speed logic.

2013-10-04 18:29:25 +00:00

callback.c

Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single

2013-09-06 13:10:12 +00:00

complete.c

…

ctime.c

If ENABLE_STAT3 is defined but ENABLE_STAT4 is not, have ANALYZE create and populate the sqlite_stat3 table instead of sqlite_stat4.

2013-08-12 20:14:04 +00:00

date.c

The date and time functions use the exact same notion of "now" for every

2013-09-16 12:57:19 +00:00

delete.c

Obtain the required shared-cache write-lock when executing "DELETE FROM tbl" statements. Fix for [1e1321ee98].

2013-09-26 15:21:16 +00:00

expr.c

Improved estimates of the relative speed of index scans based on declared

2013-10-04 15:30:21 +00:00

fault.c

…

fkey.c

When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE.

2013-09-05 18:40:29 +00:00

func.c

Adjust the query planner to take into account WHERE clause terms that do not

2013-09-13 17:47:57 +00:00

global.c

Refactoring the mmap interface. The controlling pragma is now "mmap_size"

2013-04-15 17:03:42 +00:00

hash.c

…

hash.h

Many spelling fixes in comments. No changes to code.

2013-03-21 21:20:32 +00:00

hwtime.h

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insert.c

If an "INSERT INTO ... SELECT" can use the xfer optimization, pass the OPFLAG_BULKCSR hint to btree cursors used to update indices. This results in a tighter key packing.

2013-10-04 18:17:18 +00:00

journal.c

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legacy.c

Increase the default SQLITE_MAX_SCHEMA_RETRY to 50. Make sure that macro

2013-04-06 18:06:51 +00:00

lempar.c

…

loadext.c

Add the sqlite3_cancel_auto_extension(X) interface which will undo a prior

2013-07-15 17:02:28 +00:00

main.c

Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single

2013-09-06 13:10:12 +00:00

malloc.c

Change the PRAGMA parser to use a binary search for the pragma name.

2013-09-13 16:36:46 +00:00

mem0.c

…

mem1.c

…

mem2.c

Fix harmless MSVC compiler warning with MEMDEBUG defined.

2013-08-31 05:13:22 +00:00

mem3.c

…

mem5.c

Fix a few more minor comment typos. No changes to code.

2013-08-14 00:20:23 +00:00

memjournal.c

Make the MIN() and MAX() macros available in sqliteInt.h. Add TUNING

2013-06-13 15:16:53 +00:00

mutex_noop.c

…

mutex_unix.c

…

mutex_w32.c

Make names of private functions in the Win32 VFS consistent. Fix comment typo in Win32 mutex implementation.

2013-08-28 02:37:29 +00:00

mutex.c

…

mutex.h

…

notify.c

…

os_common.h

…

os_unix.c

Add support for Cygwin when handling temporary file names. Improve error codes and diagnostic messages for temporary file name handling on Windows. Rename winConvertUtf8Filename to winConvertFromUtf8Filename. Improve placement and comments for forward function declarations.

2013-08-30 21:52:38 +00:00

os_win.c

Fix Windows SDK compiler warning.

2013-09-13 23:27:39 +00:00

os.c

Refactoring the mmap interface. The controlling pragma is now "mmap_size"

2013-04-15 17:03:42 +00:00

os.h

Remove the unused SQLITE_CURDIR macro.

2013-04-16 14:58:52 +00:00

pager.c

Simplify the btreeGetPage() routine so that it uses a single flag parameter

2013-08-21 23:42:32 +00:00

pager.h

Simplify the btreeGetPage() routine so that it uses a single flag parameter

2013-08-21 23:42:32 +00:00

parse.y

Increase the number of bits available in Expr.flags. Other tweaks aimed at

2013-09-12 16:50:49 +00:00

pcache1.c

Add some extra assert() statements to silence a few clang warnings.

2013-08-19 18:17:03 +00:00

pcache.c

…

pcache.h

…

pragma.c

In the index_list pragma, make sure the "r" column is the same on output

2013-10-05 02:56:25 +00:00

prepare.c

Make sure the sqlite3_prepare16 and sqlite3_prepare16_v2 interfaces do not

2013-07-16 23:26:43 +00:00

printf.c

Simplification to the StrAccum object and the sqlite3StrAccumAppend()

2013-08-21 21:12:10 +00:00

random.c

Refactor the sqlite3_randomness() implementation for improved performance.

2013-08-21 22:09:25 +00:00

resolve.c

Refactor the ExprSetIrreducible() macro into ExprSetVVAProperty(*,EP_NoReduce).

2013-09-12 23:42:22 +00:00

rowset.c

…

select.c

Merge trunk changes.

2013-10-04 20:39:44 +00:00

shell.c

Change the ".dump" command in the command-line shell so that it COMMITs

2013-10-01 15:30:05 +00:00

sqlite3.rc

Readability improvements to the Win32 RC file.

2013-09-16 20:46:34 +00:00

sqlite3ext.h

Modify several extensions to use the new exported function naming. Fix some shared library compilation issues.

2013-07-04 23:53:56 +00:00

sqlite.h.in

Add support for Cygwin when handling temporary file names. Improve error codes and diagnostic messages for temporary file name handling on Windows. Rename winConvertUtf8Filename to winConvertFromUtf8Filename. Improve placement and comments for forward function declarations.

2013-08-30 21:52:38 +00:00

sqliteInt.h

Begin an experimental refactoring to estimate the average number of bytes

2013-10-05 18:16:02 +00:00

sqliteLimit.h

Refactoring the mmap interface. The controlling pragma is now "mmap_size"

2013-04-15 17:03:42 +00:00

status.c

Add the "defer_foreign_keys" pragma and the SQLITE_DBSTATUS_DEFERRED_FKS

2013-07-11 15:03:32 +00:00

table.c

…

tclsqlite.c

Remove unnecessary memset() calls from test code.

2013-10-03 11:27:56 +00:00

test1.c

Fix a couple comments.

2013-08-28 17:59:38 +00:00

test2.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test3.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test4.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test5.c

…

test6.c

Many spelling fixes in comments. No changes to code.

2013-03-21 21:20:32 +00:00

test7.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test8.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test9.c

…

test_async.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_autoext.c

Adjust #ifdefs in test_autoext.c so that it compiles with

2013-08-06 18:35:31 +00:00

test_backup.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_btree.c

…

test_config.c

If ENABLE_STAT3 is defined but ENABLE_STAT4 is not, have ANALYZE create and populate the sqlite_stat3 table instead of sqlite_stat4.

2013-08-12 20:14:04 +00:00

test_demovfs.c

Adjust #ifdefs in test_autoext.c so that it compiles with

2013-08-06 18:35:31 +00:00

test_devsym.c

…

test_fs.c

Adjust #ifdefs in test_autoext.c so that it compiles with

2013-08-06 18:35:31 +00:00

test_func.c

Fixes for test code that was not working with utf16 databases. Run the analyze*.test scripts as part of the 'utf16' permutation test.

2013-08-16 14:48:23 +00:00

test_hexio.c

…

test_init.c

Remove unnecessary memset() calls from test code.

2013-10-03 11:27:56 +00:00

test_intarray.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_intarray.h

Add a guard #ifndef to test_intarray.h to prevent harm if it is #included

2013-08-07 14:18:45 +00:00

test_journal.c

…

test_loadext.c

…

test_malloc.c

Fix several harmless compiler warnings. Fix a couple compiler issues with the shell.

2013-08-28 01:54:12 +00:00

test_multiplex.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_multiplex.h

Add a guard #ifndef to test_intarray.h to prevent harm if it is #included

2013-08-07 14:18:45 +00:00

test_mutex.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_onefile.c

…

test_osinst.c

…

test_pcache.c

…

test_quota.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_quota.h

…

test_rtree.c

Add a missing '#include "tcl.h"' to test_rtree.c.

2013-08-05 12:31:41 +00:00

test_schema.c

Modify several extensions to use the new exported function naming. Fix some shared library compilation issues.

2013-07-04 23:53:56 +00:00

test_server.c

…

test_sqllog.c

Enhanced documentation for the SQLITE_CONFIG_SQLLOG mechanism and the

2013-04-22 13:51:09 +00:00

test_stat.c

…

test_superlock.c

…

test_syscall.c

In test file test_syscall.c, include sqliteInt.h before any tcl or system include files. This ensures that the magical defines in sqliteInt.h really do enable large file support (and set things up so that sizeof(off_t)==8).

2013-05-17 16:41:15 +00:00

test_tclvar.c

…

test_thread.c

More refinements to Windows OSTRACE usage. Replace all usage of sqlite3TestErrorName() with sqlite3ErrName() and add missing return codes.

2013-04-29 03:09:10 +00:00

test_vfs.c

Comment and preprocessor macro cleanup.

2013-07-29 15:54:06 +00:00

test_vfstrace.c

…

test_wsd.c

…

tokenize.c

Updates to requirements marks. No code changes.

2013-08-02 23:40:45 +00:00

trigger.c

The sqlite3FixInit() routine cannot fail. So change the return type from "int"

2013-10-03 15:39:44 +00:00

update.c

When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE.

2013-09-05 18:40:29 +00:00

utf.c

Remove the unused sqlite3Utf8to16() utility function.

2013-08-07 15:57:24 +00:00

util.c

Begin an experimental refactoring to estimate the average number of bytes

2013-10-05 18:16:02 +00:00

vacuum.c

Update and modernize an obsolete comment associated with VACUUM. No

2013-09-30 11:01:28 +00:00

vdbe.c

The date and time functions use the exact same notion of "now" for every

2013-09-16 12:57:19 +00:00

vdbe.h

Refactor internal function name sqlite3VdbeGetValue() to

2013-08-01 12:21:58 +00:00

vdbeapi.c

The date and time functions use the exact same notion of "now" for every

2013-09-16 12:57:19 +00:00

vdbeaux.c

Clear the current time value on prepared statements when the prepared statement

2013-09-17 23:36:33 +00:00

vdbeblob.c

Increase the default SQLITE_MAX_SCHEMA_RETRY to 50. Make sure that macro

2013-04-06 18:06:51 +00:00

vdbeInt.h

The date and time functions use the exact same notion of "now" for every

2013-09-16 12:57:19 +00:00

vdbemem.c

The sqlite3Stat4ProbeSetValue() routine should always return results using

2013-09-04 15:15:10 +00:00

vdbesort.c

Many small harmless comment changes. Removal of obsolete comments and

2013-05-28 12:11:54 +00:00

vdbetrace.c

Refactor names of fields in the sqlite3 object: "activeVdbeCnt" becomes

2013-06-27 23:54:02 +00:00

vtab.c

Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single

2013-09-06 13:10:12 +00:00

wal.c

Add extended error code SQLITE_BUSY_SNAPSHOT - returned in WAL mode when a read-transaction cannot be upgraded to a write-transaction because it is reading from a snapshot other than the most recently committed.

2013-06-27 11:46:27 +00:00

wal.h

Minor fixes for compilation with SQLITE_OMIT_WAL defined.

2013-05-02 17:37:31 +00:00

walker.c

Increase the number of bits available in Expr.flags. Other tweaks aimed at

2013-09-12 16:50:49 +00:00

where.c

Begin an experimental refactoring to estimate the average number of bytes

2013-10-05 18:16:02 +00:00