diff options
| -rw-r--r-- | src/storage/bdb_utils.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/storage/bdb_utils.h b/src/storage/bdb_utils.h index f908d23..8aa0f40 100644 --- a/src/storage/bdb_utils.h +++ b/src/storage/bdb_utils.h @@ -25,6 +25,8 @@ #include <assert.h> #include <db.h> +namespace pinyin{ + inline u_int32_t attach_option(guint32 flags) { u_int32_t db_flags = 0; @@ -38,4 +40,35 @@ inline u_int32_t attach_option(guint32 flags) { return db_flags; } + +inline bool copy_bdb(DB * srcdb, DB * destdb) { + int ret = 0; + + DBC * cursorp = NULL; + DBT key, data; + /* Get a cursor */ + srcdb->cursor(srcdb, NULL, &cursorp, 0); + + if (NULL == cursorp) + return false; + + /* Initialize our DBTs. */ + memset(&key, 0, sizeof(DBT)); + memset(&data, 0, sizeof(DBT)); + + /* Iterate over the database, retrieving each record in turn. */ + while ((ret = cursorp->c_get(cursorp, &key, &data, DB_NEXT)) == 0) { + ret = destdb->put(destdb, NULL, &key, &data, 0); + assert(0 == ret); + } + assert(DB_NOTFOUND == ret); + + /* Cursors must be closed */ + if ( cursorp != NULL ) + cursorp->c_close(cursorp); + + return true; +} + +}; #endif |