Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Enable the SQLITE_FCNTL_SIZE_HINT on unix even if SQLITE_FCNTL_CHUNK_SIZE has not been set. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
05c9832e5f6eb705f1dce4e65cf4e2d5 |
User & Date: | drh 2011-07-25 23:25:47.867 |
References
2011-08-29
| ||
11:56 | Back out [05c9832e5f6eb] since it was causing a performance regression with no obvious benefit. (check-in: 639cc85a91 user: drh tags: trunk) | |
Context
2011-07-28
| ||
00:14 | Use osStat() instead of stat() consistently in os_unix.c (check-in: 9109128cb5 user: drh tags: trunk) | |
2011-07-26
| ||
16:03 | Prototype change for a new sqlite3_file_control() that will cause the -wal and -shm files to persist after the last database connection closes. (check-in: e34c553bf0 user: drh tags: persistent-wal-patch) | |
2011-07-25
| ||
23:25 | Enable the SQLITE_FCNTL_SIZE_HINT on unix even if SQLITE_FCNTL_CHUNK_SIZE has not been set. (check-in: 05c9832e5f user: drh tags: trunk) | |
2011-07-23
| ||
13:54 | Merge the winAccess retry logic from the anti-antivirus branch into the trunk. (check-in: 08d0e8799e user: drh tags: trunk) | |
Changes
Changes to src/os_unix.c.
︙ | ︙ | |||
3391 3392 3393 3394 3395 3396 3397 | ** file-control operation. ** ** If the user has configured a chunk-size for this file, it could be ** that the file needs to be extended at this point. Otherwise, the ** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix. */ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ | | > | > > > > > | 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 | ** file-control operation. ** ** If the user has configured a chunk-size for this file, it could be ** that the file needs to be extended at this point. Otherwise, the ** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix. */ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ { /* preserve indentation of removed "if" */ i64 nSize; /* Required file size */ i64 szChunk; /* Chunk size */ struct stat buf; /* Used to hold return values of fstat() */ if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT; szChunk = pFile->szChunk; if( szChunk==0 ){ nSize = nByte; }else{ nSize = ((nByte+szChunk-1) / szChunk) * szChunk; } if( nSize>(i64)buf.st_size ){ #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE /* The code below is handling the return value of osFallocate() ** correctly. posix_fallocate() is defined to "returns zero on success, ** or an error number on failure". See the manpage for details. */ int err; |
︙ | ︙ |
Changes to test/wal5.test.
︙ | ︙ | |||
231 232 233 234 235 236 237 | } {} do_test 2.3.$tn.2 { file_page_counts } {1 5 1 5} do_test 2.3.$tn.3 { sql2 { BEGIN; SELECT * FROM t1 } } {1 2} do_test 2.3.$tn.4 { sql1 { INSERT INTO t1 VALUES(3, 4) } } {} do_test 2.3.$tn.5 { sql1 { INSERT INTO t2 VALUES(3, 4) } } {} do_test 2.3.$tn.6 { file_page_counts } {1 7 1 7} do_test 2.3.$tn.7 { code1 { do_wal_checkpoint db -mode full } } {1 7 5} | < < < < | < < < | 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | } {} do_test 2.3.$tn.2 { file_page_counts } {1 5 1 5} do_test 2.3.$tn.3 { sql2 { BEGIN; SELECT * FROM t1 } } {1 2} do_test 2.3.$tn.4 { sql1 { INSERT INTO t1 VALUES(3, 4) } } {} do_test 2.3.$tn.5 { sql1 { INSERT INTO t2 VALUES(3, 4) } } {} do_test 2.3.$tn.6 { file_page_counts } {1 7 1 7} do_test 2.3.$tn.7 { code1 { do_wal_checkpoint db -mode full } } {1 7 5} do_test 2.3.$tn.8 { file_page_counts } {2 7 2 7} } # Check that checkpoints block on the correct locks. And respond correctly # if they cannot obtain those locks. There are three locks that a checkpoint # may block on (in the following order): # # 1. The writer lock: FULL and RESTART checkpoints block until any writer |
︙ | ︙ | |||
346 347 348 349 350 351 352 | do_test 3.$tn.6 { code3 { do_wal_checkpoint db3 } } {0 0 0} } } finish_test | < | 339 340 341 342 343 344 345 | do_test 3.$tn.6 { code3 { do_wal_checkpoint db3 } } {0 0 0} } } finish_test |