greenplumn storage_tablespace 源码

2022-08-18
浏览 (469)

greenplumn storage_tablespace 代码

文件路径：/src/backend/catalog/storage_tablespace.c

#include "postgres.h"

#include "catalog/storage_tablespace.h"


static Oid pending_tablespace_scheduled_for_deletion_on_abort;
static Oid pending_tablespace_scheduled_for_deletion_on_commit;
static void (*unlink_tablespace_dir)(Oid tablespace_for_unlink, bool is_redo);


static void
tablespace_storage_reset_on_abort(void)
{
	pending_tablespace_scheduled_for_deletion_on_abort = InvalidOid;
}

static void
tablespace_storage_reset_on_commit(void)
{
	pending_tablespace_scheduled_for_deletion_on_commit = InvalidOid;
}

static void
perform_pending_tablespace_deletion_internal(Oid tablespace_oid_to_delete,
                                                         bool isRedo)
{
	if (!OidIsValid(tablespace_oid_to_delete))
		return;

	unlink_tablespace_dir(tablespace_oid_to_delete, isRedo);
} 

void
TablespaceStorageInit(void (*unlink_tablespace_dir_function)(Oid tablespace_oid, bool is_redo))
{
	unlink_tablespace_dir = unlink_tablespace_dir_function;

	tablespace_storage_reset_on_abort();
	tablespace_storage_reset_on_commit();
}

/*
 * For abort:
 */
void
ScheduleTablespaceDirectoryDeletionForAbort(Oid tablespace_oid)
{
	pending_tablespace_scheduled_for_deletion_on_abort = tablespace_oid;
}

Oid
GetPendingTablespaceForDeletionForAbort(void)
{
	return pending_tablespace_scheduled_for_deletion_on_abort;
}

void
DoPendingTablespaceDeletionForAbort(void)
{
	perform_pending_tablespace_deletion_internal(
		GetPendingTablespaceForDeletionForAbort(),
		false
		);
	tablespace_storage_reset_on_abort();
}

void
UnscheduleTablespaceDirectoryDeletionForAbort(void)
{
	tablespace_storage_reset_on_abort();
}


/* 
 * For commit:
 */
void
ScheduleTablespaceDirectoryDeletionForCommit(Oid tablespaceoid)
{
	pending_tablespace_scheduled_for_deletion_on_commit = tablespaceoid;
}


void
UnscheduleTablespaceDirectoryDeletionForCommit(void)
{
	tablespace_storage_reset_on_commit();
}


Oid
GetPendingTablespaceForDeletionForCommit(void)
{
	return pending_tablespace_scheduled_for_deletion_on_commit;
}


void
DoPendingTablespaceDeletionForCommit(void)
{
	perform_pending_tablespace_deletion_internal(
		GetPendingTablespaceForDeletionForCommit(),
		false);

	tablespace_storage_reset_on_commit();
}


/*
 * For Xlog redo:
 *
 */
void
DoTablespaceDeletionForRedoXlog(Oid tablespace_oid_to_delete)
{
	perform_pending_tablespace_deletion_internal(tablespace_oid_to_delete, true);
}

相关信息

greenplumn 源码目录

相关文章

greenplumn aclchk 源码

greenplumn aoblkdir 源码

greenplumn aocatalog 源码

greenplumn aoseg 源码

greenplumn aovisimap 源码

greenplumn catalog 源码

greenplumn dependency 源码

greenplumn gp_fastsequence 源码

greenplumn gp_partition_template 源码

greenplumn gp_segment_config 源码

0 赞

所属分类： 大数据
本文标签： greenplum
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/5ae0ddd2e0c44d29a09f920afcb2dcf0

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...