本文整理汇总了C++中WT_DATA_SOURCE::truncate方法的典型用法代码示例。如果您正苦于以下问题：C++ WT_DATA_SOURCE::truncate方法的具体用法？C++ WT_DATA_SOURCE::truncate怎么用？C++ WT_DATA_SOURCE::truncate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WT_DATA_SOURCE的用法示例。
在下文中一共展示了WT_DATA_SOURCE::truncate方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
/*
* __wt_schema_truncate --
* WT_SESSION::truncate without a range.
*/
int
__wt_schema_truncate(
WT_SESSION_IMPL *session, const char *uri, const char *cfg[])
{
WT_DATA_SOURCE *dsrc;
WT_DECL_RET;
const char *tablename;
tablename = uri;
if (WT_PREFIX_MATCH(uri, "file:")) {
ret = __truncate_file(session, uri);
} else if (WT_PREFIX_MATCH(uri, "lsm:"))
ret = __wt_lsm_tree_truncate(session, uri, cfg);
else if (WT_PREFIX_SKIP(tablename, "table:"))
ret = __truncate_table(session, tablename, cfg);
else if ((dsrc = __wt_schema_get_source(session, uri)) != NULL)
ret = dsrc->truncate == NULL ?
__truncate_dsrc(session, uri) :
dsrc->truncate(
dsrc, &session->iface, uri, (WT_CONFIG_ARG *)cfg);
else
ret = __wt_bad_object_type(session, uri);
/* If we didn't find a metadata entry, map that error to ENOENT. */
return (ret == WT_NOTFOUND ? ENOENT : ret);
}示例2: if
/*
* __wt_schema_truncate --
* WT_SESSION::truncate.
*/
int
__wt_schema_truncate(
WT_SESSION_IMPL *session, const char *uri, const char *cfg[])
{
WT_DATA_SOURCE *dsrc;
WT_DECL_RET;
const char *tablename;
WT_UNUSED(cfg);
tablename = uri;
if (WT_PREFIX_MATCH(uri, "file:"))
ret = __truncate_file(session, uri);
else if (WT_PREFIX_SKIP(tablename, "table:"))
ret = __truncate_table(session, tablename);
else if ((ret = __wt_schema_get_source(session, uri, &dsrc)) == 0)
ret = dsrc->truncate(dsrc, &session->iface, uri, cfg);
/* If we didn't find a metadata entry, map that error to ENOENT. */
return (ret == WT_NOTFOUND ? ENOENT : ret);
}