ArcGIS Help 10.2 - 在 DB2 中编写地理数据库升级脚本

可以修改和使用在本主题中提供的其中一个 Python 脚本来连接和升级企业级地理数据库。

第一组脚本使用现有数据库连接文件来连接和升级地理数据库。

第二个脚本显示如何能够在用于升级地理数据库的同一脚本中提供连接信息。此脚本在无法访问 ArcGIS for Desktop 时特别有用；您可在已安装 ArcGIS Engine（含 Geodatabase Update 扩展模块）或 ArcGIS for Server（Standard 或 Advanced）的计算机上运行 Python 脚本，并提供连接信息和升级地理数据库。

无论是使用现有数据库连接文件还是通过脚本中的参数，您与地理数据库建立的连接都是直连。运行脚本的计算机上必须有以下内容：

名为 sde 的本地用户
配置为连接到数据库的 IBM DB2 客户端
如果将从 32 位 ArcGIS 客户端升级，则必须使用 32 位 DB2 客户端。
升级地理数据库时不能使用非 DSN 连接。
ArcGIS 客户端，ArcGIS for Desktop（Standard 或 Advanced）、具有 Geodatabase Update 扩展模块的 ArcGIS Engine Runtime 或 ArcGIS for Server（Standard 或 Advanced）
确保在运行脚本前对 ArcGIS 客户端授权。

请确保升级之前已经阅读和执行过升级 DB2 中的地理数据库的准备工作中的步骤。

步骤:

首先，检查地理数据库是否可升级。
1. 打开 Python。
  cd /arcgis/server/tools ./python
2. 使用 Describe 函数检查地理数据库版本与 ArcGIS 客户端版本是否匹配。
  import arcpy isCurrent = arcpy.Describe('/tmp/egdb_connection.sde').currentRelease print isCurrent
如果返回 false，则可升级地理数据库。继续执行下一步。如果返回 true，则无需升级地理数据库。

要想升级地理数据库，请将这些示例脚本中的一个脚本复制到文本编辑器中。根据需要更改任意变量值，以与您的站点信息相匹配。

如果现有数据库连接文件使用直连并以地理数据库管理员的身份进行连接，则根据不同的操作系统来复制和修改以下脚本之一：

# Name: upgradesdegdb_example.py
# Description: Connect from a Windows computer 
# with an existing database connection file 
# and upgrade an enterprise geodatabase in DB2
# Author: Esri

# Import arcpy module
import arcpy
 
# Local variables:
Output_Workspace = "C:\\ArcGIS\connection_files\<Connection file>"
Default_gdb = "C:\\ArcGIS\connection_files\<Connection file>"

# Process: Upgrade Geodatabase
arcpy.UpgradeGDB_management(Default_gdb, "PREREQUISITE_CHECK", "UPGRADE")

# Name: upgradesdegdb_example.py
# Description: Connect from a Linux or UNIX computer 
# with an existing database connection file 
# and upgrade an enterprise geodatabase in DB2
# Author: Esri

# Import arcpy module
import arcpy
 
# Local variables:
Output_Workspace = "<user>/connections/<Connection_file>"
Default_gdb = "<user>/connections/<Connection_file>"

# Process: Upgrade Geodatabase
arcpy.UpgradeGDB_management(Default_gdb, "PREREQUISITE_CHECK", "UPGRADE")

如果计算机上没有用于编写升级脚本的数据库连接文件，则可复制和修改以下脚本：

"""
Name: upgrade_gdb_db2.py
Description: Create a connection file and upgrade an enterprise geodatabase in DB2.
Author: Esri
"""

# Import system modules
import arcpy, os, optparse, sys


# Define usage and version
parser = optparse.OptionParser(usage = "usage: %prog [Options]", version="%prog 1.0 for " + arcpy.GetInstallInfo()['Version'] )

#Define help and options
parser.add_option ("-s", dest="Server", type="string", default="", help="RDBMS server name")
parser.add_option ("-i", dest="Service", type="string", default="", help="Use direct connection syntax")
parser.add_option ("-u", dest="User", type="string", default="", help="Geodatabase administrator user name")
parser.add_option ("-p", dest="Password", type="string", default="", help="Geodatabase  administrator password")
parser.add_option ("--upgrade", dest="Upgrade", type="choice", choices=['TRUE', 'FALSE'], default="FALSE", help="Upgrade Options (case-sensitive):  TRUE=Perform Pre-requisite check and upgrade geodatabase, FALSE=Perform Pre-requisite check only.  Default=FALSE")                   
parser.add_option ("-D", dest="Database", type="string", default="none", help="Database name:  Not required for Oracle")
parser.add_option ("--auth", dest="account_authentication", type ="choice", choices=['DATABASE_AUTH', 'OPERATING_SYSTEM_AUTH'], default='DATABASE_AUTH', help="Authentication type options (case-sensitive):  DATABASE_AUTH, OPERATING_SYSTEM_AUTH.  Default=DATABASE_AUTH")

# Check if value entered for option
try:
	(options, args) = parser.parse_args()

	
#Check if no system arguments (options) entered
	if len(sys.argv) == 1:
		print "%s: error: %s\n" % (sys.argv[0], "No command options given")
		parser.print_help()
		sys.exit(3)
	

	#Usage parameters for spatial database connection
	server = options.Server
	service = options.Service	
	account_authentication = options.account_authentication.upper()
	username = options.User.lower() 
	password = options.Password	
	database = options.Database.lower()
	do_upgrade = options.Upgrade
	
	# Get the current product license
	product_license=arcpy.ProductInfo()
	
	if (license == ""):
		print " \n%s: error:%s\n" % (sys.argv[0], "Authorization file (-l) must be specified.")
		parser.print_help()
		sys.exit(3)
	
	# Checks required license level
	if product_license.upper() == "ARCVIEW" or product_license.upper() == 'ENGINE':
		print "\n" + product_license + " license found!" + "  Upgrading enterprise geodatabase requires an ArcGIS for Desktop Standard or Advanced license, or an ArcGIS Server license."
		sys.exit("Re-authorize ArcGIS before enabling enterprise geodatabase.")
	else:
		print "\n" + product_license + " license available!  Continuing to enable..."
		arcpy.AddMessage("+++++++++")
	
	
	# Check if direct connection
	if service.find(":") <> -1:  #This is direct connect
		ServiceConnFileName = service.replace(":", "")
		ServiceConnFileName = ServiceConnFileName.replace(";", "")
		ServiceConnFileName = ServiceConnFileName.replace("=", "")
		ServiceConnFileName = ServiceConnFileName.replace("/", "")
		ServiceConnFileName = ServiceConnFileName.replace("\\", "")
	else:
		arcpy.AddMessage("\n+++++++++")
		arcpy.AddMessage("Exiting!!")
		arcpy.AddMessage("+++++++++")
		sys.exit("\nSyntax for a direct connection in the Service parameter is required for enabling enterprise geodatabase.")
	
	
	# Local variables
	Conn_File_NameT = server + "_" + ServiceConnFileName + "_" + database + "_" + username    
	
	if os.environ.get("TEMP") == None:
		temp = "c:\\temp"	
	else:
		temp = os.environ.get("TEMP")
	
	if os.environ.get("TMP") == None:
		temp = "/usr/tmp"		
	else:
		temp = os.environ.get("TMP")  
	
	Connection_File_Name = temp + os.sep + Conn_File_NameT + ".sde"
	
	
	# Check for the .sde file and delete it if present
	arcpy.env.overwriteOutput=True
	
	
	# Variables defined within the script; other variable options commented out at the end of the line
	saveUserInfo = "SAVE_USERNAME"
	saveVersionInfo = "SAVE_VERSION" 
	# The Version shouldn't matter for non-geodatabase connection
	version = "" 
	
	print "\nCreating ArcSDE Connection File...\n"
	# Process: Create ArcSDE Connection File...
	# Usage: out_folder_path, out_name, server, service, database, account_authentication, username, password, save_username_password, version,   save_version_info
	arcpy.CreateArcSDEConnectionFile_management(temp, Conn_File_NameT, server, service, database, account_authentication, username, password, saveUserInfo, version, saveVersionInfo)
	for i in range(arcpy.GetMessageCount()):
		if "000565" in arcpy.GetMessage(i):   #Check if database connection was successful
			arcpy.AddReturnMessage(i)
			arcpy.AddMessage("\n+++++++++")
			arcpy.AddMessage("Exiting!!")
			arcpy.AddMessage("+++++++++\n")
			sys.exit(3)            
		else:
			arcpy.AddReturnMessage(i)
			arcpy.AddMessage("+++++++++\n")
	
	# Process: Upgrade geodatabase...
	try:
		if do_upgrade.lower() == "true":
			print "Upgrading Geodatabase...\n"
			arcpy.UpgradeGDB_management(Connection_File_Name, "PREREQUISITE_CHECK", "UPGRADE")
			for i in range(arcpy.GetMessageCount()):
				arcpy.AddReturnMessage(i)
			arcpy.AddMessage("+++++++++\n")
	
		else:
			print "Running Pre-Requisite Check...\n"
			arcpy.UpgradeGDB_management(Connection_File_Name, "PREREQUISITE_CHECK", "NO_UPGRADE")
			for i in range(arcpy.GetMessageCount()):
				arcpy.AddReturnMessage(i)
			arcpy.AddMessage("+++++++++\n")
	
	except:
		for i in range(arcpy.GetMessageCount()):
			arcpy.AddReturnMessage(i)
			
#Check if no value entered for option	
except SystemExit as e:
	if e.code == 2:
		parser.usage = ""
		print "\n"
		parser.print_help()   
		parser.exit(2)

运行已复制和更改的脚本来执行先决条件检查和升级地理数据库。

在 DB2 中编写地理数据库升级脚本

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