database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-07 02:42:48 +03:00
Code Activity

Updates to comments and testcase() macros in wal.c.

Browse Source 
FossilOrigin-Name: 4d90cc0bc07e791b2838fc384866bd5c2282f681
This commit is contained in:
drh
2010-06-15 11:21:54 +00:00
parent f886b4f851
commit ffca43014b
3 changed files with 16 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
manifest
View File

@@ -1,8 +1,8 @@
-----BEGIN PGP SIGNED MESSAGE----- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1 Hash: SHA1
C Fix\san\serror\sin\sthe\swalfault.test\sscript\sintroduced\sby\sthe\sprevious\scheck-in. C Updates\sto\scomments\sand\stestcase()\smacros\sin\swal.c.
D 2010-06-14T18:06:21 D 2010-06-15T11:21:54
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in a5cad1f8f3e021356bfcc6c77dc16f6f1952bbc3 F Makefile.in a5cad1f8f3e021356bfcc6c77dc16f6f1952bbc3
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -229,7 +229,7 @@ F src/vdbeblob.c 5327132a42a91e8b7acfb60b9d2c3b1c5c863e0e
F src/vdbemem.c 2a82f455f6ca6f78b59fb312f96054c04ae0ead1 F src/vdbemem.c 2a82f455f6ca6f78b59fb312f96054c04ae0ead1
F src/vdbetrace.c 864cef96919323482ebd9986f2132435115e9cc2 F src/vdbetrace.c 864cef96919323482ebd9986f2132435115e9cc2
F src/vtab.c a0f8a40274e4261696ef57aa806de2776ab72cda F src/vtab.c a0f8a40274e4261696ef57aa806de2776ab72cda
F src/wal.c c261aeb28c9b40f4713bace3c1c0cee9dcba87ab F src/wal.c 4ea519e6d6680b2fb504268733c09df7c20ae823
F src/wal.h 4ace25262452d17e7d3ec970c89ee17794004008 F src/wal.h 4ace25262452d17e7d3ec970c89ee17794004008
F src/walker.c 3112bb3afe1d85dc52317cb1d752055e9a781f8f F src/walker.c 3112bb3afe1d85dc52317cb1d752055e9a781f8f
F src/where.c 1c895bef33d0dfc7ed90fb1f74120435d210ea56 F src/where.c 1c895bef33d0dfc7ed90fb1f74120435d210ea56
@@ -823,14 +823,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
P 58dfd83d8b7905391e2a06bb918ffa209c6de6b5 P a2b9374fc6f0aba2d465d432e1124bd957aab548
R 4f3db6f7e5f49d281298da654be5747c R b8eef250f5caed4a924f16a77af9cdc6
U drh U drh
Z d6eef7948b6d2db515c6c316940ff333 Z 605208b22e0624f098357d577c5e0992
-----BEGIN PGP SIGNATURE----- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux) Version: GnuPG v1.4.6 (GNU/Linux)
iD8DBQFMFm+hoxKgR168RlERAozTAJ9OR+HzdHW0lOPqGOxHaVRg71dtTQCbBMmJ iD8DBQFMF2JVoxKgR168RlERAth9AJ9lwylEfM0j4jEYjOmIUA5/QL1cowCfcwM8
e2DOFvD2aJhVnBVlQcph2cU= 3EixOPtKo5P3pdMwt8qjl2M=
=VNCZ =IOSP
-----END PGP SIGNATURE----- -----END PGP SIGNATURE-----

2
manifest.uuid
View File

@@ -1 +1 @@
a2b9374fc6f0aba2d465d432e1124bd957aab548 4d90cc0bc07e791b2838fc384866bd5c2282f681

11
src/wal.c
View File

@@ -72,6 +72,7 @@
** big-endian format regardless of which byte order is used to compute ** big-endian format regardless of which byte order is used to compute
** the checksum. The checksum is computed by interpreting the input as ** the checksum. The checksum is computed by interpreting the input as
** an even number of unsigned 32-bit integers: x[0] through x[N]. The ** an even number of unsigned 32-bit integers: x[0] through x[N]. The
** algorithm used for the checksum is as follows:
** **
** for i from 0 to n-1 step 2: ** for i from 0 to n-1 step 2:
** s0 += x[i] + s1; ** s0 += x[i] + s1;
@@ -80,7 +81,7 @@
** **
** On a checkpoint, the WAL is first VFS.xSync-ed, then valid content of the ** On a checkpoint, the WAL is first VFS.xSync-ed, then valid content of the
** WAL is transferred into the database, then the database is VFS.xSync-ed. ** WAL is transferred into the database, then the database is VFS.xSync-ed.
** The VFS.xSync operations server as write barriers - all writes launched ** The VFS.xSync operations serve as write barriers - all writes launched
** before the xSync must complete before any write that launches after the ** before the xSync must complete before any write that launches after the
** xSync begins. ** xSync begins.
** **
@@ -152,7 +153,7 @@
** **
** Each index block contains two sections, a page-mapping that contains the ** Each index block contains two sections, a page-mapping that contains the
** database page number associated with each wal frame, and a hash-table ** database page number associated with each wal frame, and a hash-table
** that allows users to query an index block for a specific page number. ** that allows readers to query an index block for a specific page number.
** The page-mapping is an array of HASHTABLE_NPAGE (or HASHTABLE_NPAGE_ONE ** The page-mapping is an array of HASHTABLE_NPAGE (or HASHTABLE_NPAGE_ONE
** for the first index block) 32-bit page numbers. The first entry in the ** for the first index block) 32-bit page numbers. The first entry in the
** first index-block contains the database page number corresponding to the ** first index-block contains the database page number corresponding to the
@@ -846,9 +847,9 @@ static void walCleanupHash(Wal *pWal){
int i; /* Used to iterate through aHash[] */ int i; /* Used to iterate through aHash[] */
assert( pWal->writeLock ); assert( pWal->writeLock );
testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE-1 ); testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE-1 );
testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE ); testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE );
testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE+1 ); testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE+1 );
if( pWal->hdr.mxFrame==0 ) return; if( pWal->hdr.mxFrame==0 ) return;