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Better understanding of savepoint code

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FossilOrigin-Name: ce6d8d621505f25e4fd43e7cf27445e1a2ddd58d79108d63499c2ae30cc9f610
This commit is contained in:
shearer 2020-09-30 09:17:53 +00:00
parent 75fa266341
commit 1e6c58dee2
3 changed files with 17 additions and 8 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Small\sperformance\simprovement\sand\ssize\sreduction\sby\sreducing\sthe\ssize\sof\nthe\sWhereTerm\sobject.
D 2020-09-28T15:49:43.021
C Better\sunderstanding\sof\ssavepoint\scode
D 2020-09-30T09:17:53.809
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -477,7 +477,7 @@ F src/backup.c 3014889fa06e20e6adfa0d07b60097eec1f6e5b06671625f476a714d2356513d
F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c 1fbb15cf6af2ccd4bc784f52bda7e6a860e303d677587b6a4b95d72ae36480a0
F src/btree.h c64f1439377e2edf31f7c3a562586a96b71f8d0ca47e65756e7d122fd8f06928
F src/btree.h dcdff4037d75b3f032a5de0d922fcfaf35d48589417f634fa8627362709315f9
F src/btreeInt.h ffd66480520d9d70222171b3a026d78b80833b5cea49c89867949f3e023d5f43
F src/build.c 55faabe78044063eae7d1cb3767afa1bafd6edc41d950b6e2228abf601f87912
F src/callback.c d0b853dd413255d2e337b34545e54d888ea02f20da5ad0e63585b389624c4a6c
@ -1880,7 +1880,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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U shearer
Z 31a184db4475ad0cfaf0375a949ed5dd

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43f7ddad800acf40917c5cc3d926640dbec17c34d5f1cbbb74bd80f44eeed0a5
ce6d8d621505f25e4fd43e7cf27445e1a2ddd58d79108d63499c2ae30cc9f610

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src/btree.h
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@ -87,13 +87,22 @@ int sqlite3BtreeBeginStmt(Btree*,int);
int sqlite3BtreeCreateTable(Btree*, Pgno*, int flags);
int sqlite3BtreeTxnState(Btree*);
int sqlite3BtreeIsInBackup(Btree*);
void *sqlite3BtreeSchema(Btree *, int, void(*)(void *));
int sqlite3BtreeSchemaLocked(Btree *pBtree);
#ifndef SQLITE_OMIT_SHARED_CACHE
int sqlite3BtreeLockTable(Btree *pBtree, int iTab, u8 isWriteLock);
#endif
/* Savepoints are named, nestable SQL transactions mostly implemented */
/* in vdbe.c and pager.c See https://sqlite.org/lang_savepoint.html */
int sqlite3BtreeSavepoint(Btree *, int, int);
/* "Checkpoint" only refers to WAL. See https://sqlite.org/wal.html#ckpt */
#ifndef SQLITE_OMIT_WAL
int sqlite3BtreeCheckpoint(Btree*, int, int *, int *);
#endif
const char *sqlite3BtreeGetFilename(Btree *);
const char *sqlite3BtreeGetJournalname(Btree *);
int sqlite3BtreeCopyFile(Btree *, Btree *);