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ListVersions

摘要

列出工作空间中的数据版本。

讨论

可以指定作为函数参数的连接文件的路径，或为连接文件设置工作空间环境并调用不带任何参数的 ListVersions 函数。

语法

ListVersions (sde_workspace)
参数说明数据类型
sde_workspace

An enterprise geodatabase workspace.

String

返回值

数据类型说明
Version

该列表从包含 Version 对象的函数返回结果。

代码实例

ListVersions 示例 1

识别上周修改的所有数据库版本。

import arcpy
import datetime

# Use datetime to establish current date/time
#
now = datetime.datetime.now()

sdeConnection = "Database Connections/toolboxDEFAULTVersion.sde"

# Compare lastModified property of each version to current date, and 
#  print version name if the version was modified in the last 7 days.
#
for version in arcpy.da.ListVersions(sdeConnection):
    if (now - version.lastModified).days < 7:
        print(version.name)
ListVersions 示例 2

请删除所有属于特定用户、且不具有任何子版本的数据库版本。

import arcpy

sdeConnection = "Database Connections/toolboxDEFAULTVersion.sde"

for version in arcpy.da.ListVersions(sdeConnection):
    # Delete any versions owned by "RJones" that don't have any children
    #
    if version.name.split(".")[0] == "RJones" and not version.children:
        print("Deleting version {0}".format(version.name))
        arcpy.DeleteVersion_management(sdeConnection, version.name)

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