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Overview
| Comment: | Disable the optimization from [8cb8516d] (omit TableLock instructions for non-sharable databases) on this branch. This branch uses the TableLock instructions to ensure that the db schema is not written from within a BEGIN CONCURRENT transaction. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | begin-concurrent |
| Files: | files | file ages | folders |
| SHA1: |
c8ca3e0a8d82dbb077551c2d952cb204 |
| User & Date: | dan 2017-01-09 06:53:00 |
| Wiki: | begin-concurrent |
Context
|
2017-01-09
| ||
| 07:00 | Merge the "changebatch" functionality into this branch. check-in: 50fb1eb3 user: dan tags: begin-concurrent | |
| 06:53 | Disable the optimization from [8cb8516d] (omit TableLock instructions for non-sharable databases) on this branch. This branch uses the TableLock instructions to ensure that the db schema is not written from within a BEGIN CONCURRENT transaction. check-in: c8ca3e0a user: dan tags: begin-concurrent | |
| 06:33 | Upgrade this branch to 3.16 plus the various fixes that appeared after its release. check-in: d0e212d0 user: dan tags: begin-concurrent | |
Changes
Changes to src/build.c.
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 |
){
Parse *pToplevel = sqlite3ParseToplevel(pParse);
int i;
int nBytes;
TableLock *p;
assert( iDb>=0 );
if( iDb==1 ) return;
if( !sqlite3BtreeSharable(pParse->db->aDb[iDb].pBt) ) return;
for(i=0; i<pToplevel->nTableLock; i++){
p = &pToplevel->aTableLock[i];
if( p->iDb==iDb && p->iTab==iTab ){
p->isWriteLock = (p->isWriteLock || isWriteLock);
return;
}
}
|
> > |
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
){
Parse *pToplevel = sqlite3ParseToplevel(pParse);
int i;
int nBytes;
TableLock *p;
assert( iDb>=0 );
#ifdef SQLITE_OMIT_CONCURRENT
if( iDb==1 ) return;
if( !sqlite3BtreeSharable(pParse->db->aDb[iDb].pBt) ) return;
#endif
for(i=0; i<pToplevel->nTableLock; i++){
p = &pToplevel->aTableLock[i];
if( p->iDb==iDb && p->iTab==iTab ){
p->isWriteLock = (p->isWriteLock || isWriteLock);
return;
}
}
|