[sql] Import SQLite 3.17.0.

third_party/sqlite/src/ext/fts3/fts3Int.h

Index: third_party/sqlite/src/ext/fts3/fts3Int.h
diff --git a/third_party/sqlite/src/ext/fts3/fts3Int.h b/third_party/sqlite/src/ext/fts3/fts3Int.h
index 06bcc7202e10092d0bfb3b303430b88bd5ba54e1..c3cab9d821a435efab8dbd90019362fe3f5d8862 100644
--- a/third_party/sqlite/src/ext/fts3/fts3Int.h
+++ b/third_party/sqlite/src/ext/fts3/fts3Int.h
@@ -18,6 +18,12 @@
 # define NDEBUG 1
 #endif
 
+/* FTS3/FTS4 require virtual tables */
+#ifdef SQLITE_OMIT_VIRTUALTABLE
+# undef SQLITE_ENABLE_FTS3
+# undef SQLITE_ENABLE_FTS4
+#endif
+
 /*
 ** FTS4 is really an extension for FTS3.  It is enabled using the
 ** SQLITE_ENABLE_FTS3 macro.  But to avoid confusion we also all
@@ -224,6 +230,7 @@ struct Fts3Table {
   ** statements is run and reset within a single virtual table API call. 
   */
   sqlite3_stmt *aStmt[40];
+  sqlite3_stmt *pSeekStmt;        /* Cache for fts3CursorSeekStmt() */
 
   char *zReadExprlist;
   char *zWriteExprlist;
@@ -293,6 +300,7 @@ struct Fts3Cursor {
   i16 eSearch;                    /* Search strategy (see below) */
   u8 isEof;                       /* True if at End Of Results */
   u8 isRequireSeek;               /* True if must seek pStmt to %_content row */
+  u8 bSeekStmt;                   /* True if pStmt is a seek */
   sqlite3_stmt *pStmt;            /* Prepared statement in use by the cursor */
   Fts3Expr *pExpr;                /* Parsed MATCH query string */
   int iLangid;                    /* Language being queried for */