diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/main.c b/src/main.c index 0d6f1be24..11585e7dc 100644 --- a/src/main.c +++ b/src/main.c @@ -3599,15 +3599,30 @@ int sqlite3_test_control(int op, ...){ break; } - /* sqlite3_test_control(SQLITE_TESTCTRL_INITMODE, db, busy, iDb, newTnum); + /* sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, dbName, onOff, tnum); ** - ** Set the db->init.busy, db->init.iDb, and db->init.tnum fields. + ** This test control is used to create imposter tables. "db" is a pointer + ** to the database connection. dbName is the database name (ex: "main" or + ** "temp") which will receive the imposter. "onOff" turns imposter mode on + ** or off. "tnum" is the root page of the b-tree to which the imposter + ** table should connect. + ** + ** Enable imposter mode only when the schema has already been parsed. Then + ** run a single CREATE TABLE statement to construct the imposter table in the + ** parsed schema. Then turn imposter mode back off again. + ** + ** If onOff==0 and tnum>0 then reset the schema for all databases, causing + ** the schema to be reparsed the next time it is needed. This has the + ** effect of erasing all imposter tables. */ - case SQLITE_TESTCTRL_INITMODE: { + case SQLITE_TESTCTRL_IMPOSTER: { sqlite3 *db = va_arg(ap, sqlite3*); - db->init.busy = va_arg(ap,int); - db->init.iDb = va_arg(ap,int); + db->init.iDb = sqlite3FindDbName(db, va_arg(ap,const char*)); + db->init.busy = db->init.imposterTable = va_arg(ap,int); db->init.newTnum = va_arg(ap,int); + if( db->init.busy==0 && db->init.newTnum>0 ){ + sqlite3ResetAllSchemasOfConnection(db); + } break; } } |