SQL_DELETE_ALL_CONTENT 120630 third_party/sqlite/amalgamation/sqlite3.c   fts3SqlExec(&rc, p, SQL_DELETE_ALL_CONTENT, 0);
SQL_DELETE_ALL_CONTENT  724 third_party/sqlite/src/ext/fts3/fts3_write.c   fts3SqlExec(&rc, p, SQL_DELETE_ALL_CONTENT, 0);