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In shared-cache mode, do not allow one connection to checkpoint a database while a second connection is reading or writing the same shared-cache.

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FossilOrigin-Name: e75b52d156905ce16bedb94f65c01a4640bdfa75
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dan
2010-08-02 10:47:05 +00:00
parent 1c320a4366
commit a550f2decd
6 changed files with 99 additions and 30 deletions
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11
src/main.c
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@@ -1308,16 +1308,7 @@ int sqlite3Checkpoint(sqlite3 *db, int iDb){
for(i=0; i<db->nDb && rc==SQLITE_OK; i++){
if( i==iDb || iDb==SQLITE_MAX_ATTACHED ){
Btree *pBt = db->aDb[i].pBt;
if( pBt ){
if( sqlite3BtreeIsInReadTrans(pBt) ){
rc = SQLITE_LOCKED;
}else{
sqlite3BtreeEnter(pBt);
rc = sqlite3PagerCheckpoint(sqlite3BtreePager(pBt));
sqlite3BtreeLeave(pBt);
}
}
rc = sqlite3BtreeCheckpoint(db->aDb[i].pBt);
}
}