Have fts5 cache the structure of its index in main memory. Use "PRAGMA data_version" to figure out when this cache should be invalidated.

FossilOrigin-Name: 902f221754f3cc6fb4ae049c135f85efce604ed3
2016-03-21 15:30:50 +00:00
parent d260dd3534 3c6707f72b
commit f5268268b7
9 changed files with 202 additions and 46 deletions
@@ -640,6 +640,10 @@ int sqlite3Fts5StorageMerge(Fts5Storage *p, int nMerge){
  return sqlite3Fts5IndexMerge(p->pIndex, nMerge);
 }

+int sqlite3Fts5StorageReset(Fts5Storage *p){
+  return sqlite3Fts5IndexReset(p->pIndex);
+}
+
 /*
 ** Allocate a new rowid. This is used for "external content" tables when
 ** a NULL value is inserted into the rowid column. The new rowid is allocated