Have fts5 load its configuration from the xConnect() method is invoked. This ensures that the very first query run uses the correct value of the 'rank' option.

FossilOrigin-Name: 33e6606f5e497e81119ec491cf2370f60bddafc0
This commit is contained in:
dan
2015-11-06 12:50:57 +00:00
parent 9030d0ac28
commit dbbda39453
9 changed files with 157 additions and 51 deletions
+40 -5
View File
@@ -395,6 +395,15 @@ static int fts5InitVtab(
rc = sqlite3Fts5ConfigDeclareVtab(pConfig);
}
/* Load the initial configuration */
if( rc==SQLITE_OK ){
assert( pConfig->pzErrmsg==0 );
pConfig->pzErrmsg = pzErr;
rc = sqlite3Fts5IndexLoadConfig(pTab->pIndex);
sqlite3Fts5IndexRollback(pTab->pIndex);
pConfig->pzErrmsg = 0;
}
if( rc!=SQLITE_OK ){
fts5FreeVtab(pTab);
pTab = 0;
@@ -829,6 +838,36 @@ static int fts5NextMethod(sqlite3_vtab_cursor *pCursor){
return rc;
}
static sqlite3_stmt *fts5PrepareStatement(
int *pRc,
Fts5Config *pConfig,
const char *zFmt,
...
){
sqlite3_stmt *pRet = 0;
va_list ap;
va_start(ap, zFmt);
if( *pRc==SQLITE_OK ){
int rc;
char *zSql = sqlite3_vmprintf(zFmt, ap);
if( zSql==0 ){
rc = SQLITE_NOMEM;
}else{
rc = sqlite3_prepare_v2(pConfig->db, zSql, -1, &pRet, 0);
if( rc!=SQLITE_OK ){
*pConfig->pzErrmsg = sqlite3_mprintf("%s", sqlite3_errmsg(pConfig->db));
}
sqlite3_free(zSql);
}
*pRc = rc;
}
va_end(ap);
return pRet;
}
static int fts5CursorFirstSorted(Fts5Table *pTab, Fts5Cursor *pCsr, int bDesc){
Fts5Config *pConfig = pTab->pConfig;
Fts5Sorter *pSorter;
@@ -853,17 +892,13 @@ static int fts5CursorFirstSorted(Fts5Table *pTab, Fts5Cursor *pCsr, int bDesc){
** table, saving it creates a circular reference.
**
** If SQLite a built-in statement cache, this wouldn't be a problem. */
zSql = sqlite3Fts5Mprintf(&rc,
pSorter->pStmt = fts5PrepareStatement(&rc, pConfig,
"SELECT rowid, rank FROM %Q.%Q ORDER BY %s(%s%s%s) %s",
pConfig->zDb, pConfig->zName, zRank, pConfig->zName,
(zRankArgs ? ", " : ""),
(zRankArgs ? zRankArgs : ""),
bDesc ? "DESC" : "ASC"
);
if( zSql ){
rc = sqlite3_prepare_v2(pConfig->db, zSql, -1, &pSorter->pStmt, 0);
sqlite3_free(zSql);
}
pCsr->pSorter = pSorter;
if( rc==SQLITE_OK ){