/*
* __rename_file --
* WT_SESSION::rename for a file.
*/
static int
__rename_file(
WT_SESSION_IMPL *session, const char *uri, const char *newuri)
{
WT_DECL_RET;
int exist;
const char *filename, *newfile, *newvalue, *oldvalue;
newvalue = oldvalue = NULL;
filename = uri;
newfile = newuri;
if (!WT_PREFIX_SKIP(filename, "file:") ||
!WT_PREFIX_SKIP(newfile, "file:"))
return (EINVAL);
/* Close any btree handles in the file. */
WT_ERR(__wt_conn_btree_close_all(session, uri));
/*
* First, check if the file being renamed exists in the system. Doing
* this check first matches the table rename behavior because we return
* WT_NOTFOUND when the renamed file doesn't exist (subsequently mapped
* to ENOENT by the session layer).
*/
WT_ERR(__wt_metadata_read(session, uri, &oldvalue));
/*
* Check to see if the proposed name is already in use, in either the
* metadata or the filesystem.
*/
switch (ret = __wt_metadata_read(session, newuri, &newvalue)) {
case 0:
WT_ERR_MSG(session, EEXIST, "%s", newuri);
case WT_NOTFOUND:
ret = 0;
break;
default:
WT_ERR(ret);
}
WT_ERR(__wt_exist(session, newfile, &exist));
if (exist)
WT_ERR_MSG(session, EEXIST, "%s", newfile);
/* Replace the old file entries with new file entries. */
WT_ERR(__wt_metadata_remove(session, uri));
WT_ERR(__wt_metadata_insert(session, newuri, oldvalue));
/* Rename the underlying file. */
WT_ERR(__wt_rename(session, filename, newfile));
if (WT_META_TRACKING(session))
WT_ERR(__wt_meta_track_fileop(session, uri, newuri));
err: __wt_free(session, newvalue);
__wt_free(session, oldvalue);
return (ret);
}
/*
* __rename_file --
* WT_SESSION::rename for a file.
*/
static int
__rename_file(
WT_SESSION_IMPL *session, const char *uri, const char *newuri)
{
WT_DECL_RET;
int exist;
const char *filename, *newfile, *value;
value = NULL;
filename = uri;
newfile = newuri;
if (!WT_PREFIX_SKIP(filename, "file:") ||
!WT_PREFIX_SKIP(newfile, "file:"))
return (EINVAL);
/* Close any btree handles in the file. */
WT_RET(__wt_conn_btree_close_all(session, uri));
/*
* Check to see if the proposed name is already in use, in either
* the metadata or the filesystem.
*/
switch (ret = __wt_metadata_read(session, newuri, &value)) {
case 0:
WT_ERR_MSG(session, EEXIST, "%s", newuri);
case WT_NOTFOUND:
ret = 0;
break;
default:
WT_ERR(ret);
}
WT_ERR(__wt_exist(session, newfile, &exist));
if (exist)
WT_ERR_MSG(session, EEXIST, "%s", newfile);
/* Replace the old file entries with new file entries. */
WT_ERR(__wt_metadata_read(session, uri, &value));
WT_ERR(__wt_metadata_remove(session, uri));
WT_ERR(__wt_metadata_insert(session, newuri, value));
/* Rename the underlying file. */
WT_ERR(__wt_rename(session, filename, newfile));
if (WT_META_TRACKING(session))
WT_ERR(__wt_meta_track_fileop(session, uri, newuri));
err: __wt_free(session, value);
return (ret);
}
/*
* __truncate_file --
* WT_SESSION::truncate for a file.
*/
static int
__truncate_file(WT_SESSION_IMPL *session, const char *name)
{
const char *filename;
filename = name;
if (!WT_PREFIX_SKIP(filename, "file:"))
return (EINVAL);
/* Close any btree handles in the file. */
WT_RET(__wt_conn_btree_close_all(session, name));
/* Delete the root address and truncate the file. */
WT_RET(__wt_meta_checkpoint_clear(session, name));
WT_RET(__wt_block_manager_truncate(session, filename));
return (0);
}
/*
* __drop_file --
* Drop a file.
*/
static int
__drop_file(
WT_SESSION_IMPL *session, const char *uri, int force, const char *cfg[])
{
WT_DECL_RET;
int exist;
const char *filename;
filename = uri;
if (!WT_PREFIX_SKIP(filename, "file:"))
return (EINVAL);
if (session->btree == NULL &&
(ret = __wt_session_get_btree(session, uri, NULL, cfg,
WT_BTREE_EXCLUSIVE | WT_BTREE_LOCK_ONLY)) != 0) {
if (ret == WT_NOTFOUND || ret == ENOENT)
ret = 0;
return (ret);
}
/* Close all btree handles associated with this file. */
WT_RET(__wt_conn_btree_close_all(session, uri));
/* Remove the metadata entry (ignore missing items). */
WT_TRET(__wt_metadata_remove(session, uri));
if (force && ret == WT_NOTFOUND)
ret = 0;
/* Remove the underlying physical file. */
exist = 0;
WT_TRET(__wt_exist(session, filename, &exist));
if (exist) {
/*
* There is no point tracking this operation: there is no going
* back from here.
*/
WT_TRET(__wt_remove(session, filename));
}
return (ret);
}
