/*
* __wt_open_cursor --
* Internal version of WT_SESSION::open_cursor.
*/
int
__wt_open_cursor(WT_SESSION_IMPL *session,
const char *uri, WT_CURSOR *owner, const char *cfg[], WT_CURSOR **cursorp)
{
WT_COLGROUP *colgroup;
WT_DATA_SOURCE *dsrc;
WT_DECL_RET;
if (WT_PREFIX_MATCH(uri, "backup:"))
ret = __wt_curbackup_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "colgroup:")) {
/*
* Column groups are a special case: open a cursor on the
* underlying data source.
*/
WT_RET(__wt_schema_get_colgroup(session, uri, NULL, &colgroup));
ret = __wt_open_cursor(
session, colgroup->source, owner, cfg, cursorp);
} else if (WT_PREFIX_MATCH(uri, "config:"))
ret = __wt_curconfig_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "file:"))
ret = __wt_curfile_open(session, uri, owner, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "index:"))
ret = __wt_curindex_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "statistics:"))
ret = __wt_curstat_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "table:"))
ret = __wt_curtable_open(session, uri, cfg, cursorp);
else if ((ret = __wt_schema_get_source(session, uri, &dsrc)) == 0)
ret = dsrc->open_cursor(dsrc, &session->iface,
uri, owner, cfg, cursorp);
return (ret);
}
/*
* __session_open_cursor --
* WT_SESSION->open_cursor method.
*/
static int
__session_open_cursor(WT_SESSION *wt_session,
const char *uri, WT_CURSOR *to_dup, const char *config, WT_CURSOR **cursorp)
{
WT_SESSION_IMPL *session;
int ret;
session = (WT_SESSION_IMPL *)wt_session;
SESSION_API_CALL(session, open_cursor, config, cfg);
if (uri != NULL && to_dup != NULL)
WT_ERR_MSG(session, EINVAL,
"should be passed either a URI or a cursor, but not both");
if (to_dup != NULL)
ret = __wt_cursor_dup(session, to_dup, config, cursorp);
else if (WT_PREFIX_MATCH(uri, "colgroup:"))
ret = __wt_curfile_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "config:"))
ret = __wt_curconfig_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "file:"))
ret = __wt_curfile_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "index:"))
ret = __wt_curindex_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "statistics:"))
ret = __wt_curstat_open(session, uri, cfg, cursorp);
else if (WT_PREFIX_MATCH(uri, "table:"))
ret = __wt_curtable_open(session, uri, cfg, cursorp);
else {
__wt_err(session, EINVAL, "Unknown cursor type '%s'", uri);
ret = EINVAL;
}
err:
API_END_NOTFOUND_MAP(session, ret);
}
