git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10502 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			121 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| ## @file
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| # This file is used to create/update/query/erase a common table
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| #
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| # Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>
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| # This program and the accompanying materials
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| # are licensed and made available under the terms and conditions of the BSD License
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| # which accompanies this distribution.  The full text of the license may be found at
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| # http://opensource.org/licenses/bsd-license.php
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| #
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| # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| #
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| 
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| ##
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| # Import Modules
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| #
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| import Common.EdkLogger as EdkLogger
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| 
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| ## TableFile
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| #
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| # This class defined a common table
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| # 
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| # @param object:     Inherited from object class
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| #
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| # @param Cursor:     Cursor of the database
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| # @param TableName:  Name of the table
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| #
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| class Table(object):
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|     def __init__(self, Cursor):
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|         self.Cur = Cursor
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|         self.Table = ''
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|         self.ID = 0
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|     
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|     ## Create table
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|     #
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|     # Create a table
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|     #
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|     def Create(self, SqlCommand):
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|         self.Cur.execute(SqlCommand)
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|         self.ID = 0
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|         EdkLogger.verbose(SqlCommand + " ... DONE!")
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| 
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|     ## Insert table
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|     #
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|     # Insert a record into a table
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|     #
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|     def Insert(self, SqlCommand):
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|         self.Exec(SqlCommand)
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|     
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|     ## Query table
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|     #
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|     # Query all records of the table
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|     #  
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|     def Query(self):
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|         EdkLogger.verbose("\nQuery tabel %s started ..." % self.Table)
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|         SqlCommand = """select * from %s""" % self.Table
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|         self.Cur.execute(SqlCommand)
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|         for Rs in self.Cur:
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|             EdkLogger.verbose(str(Rs))
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|         
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|         TotalCount = self.GetCount()
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|         EdkLogger.verbose("*** Total %s records in table %s ***" % (TotalCount, self.Table) )
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|         EdkLogger.verbose("Query tabel %s DONE!" % self.Table)
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| 
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|     ## Drop a table
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|     #
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|     # Drop the table
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|     #
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|     def Drop(self):
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|         SqlCommand = """drop table IF EXISTS %s""" % self.Table
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|         self.Cur.execute(SqlCommand)
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|         EdkLogger.verbose("Drop tabel %s ... DONE!" % self.Table)
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|     
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|     ## Get count
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|     #
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|     # Get a count of all records of the table
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|     #
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|     # @retval Count:  Total count of all records
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|     #
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|     def GetCount(self):
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|         SqlCommand = """select count(ID) from %s""" % self.Table
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|         self.Cur.execute(SqlCommand)
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|         for Item in self.Cur:
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|             return Item[0]
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|     
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|     ## Generate ID
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|     #
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|     # Generate an ID if input ID is -1
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|     #
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|     # @param ID:   Input ID 
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|     #
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|     # @retval ID:  New generated ID
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|     #
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|     def GenerateID(self, ID):
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|         if ID == -1:
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|             self.ID = self.ID + 1
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| 
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|         return self.ID
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|     
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|     ## Init the ID of the table
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|     #
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|     # Init the ID of the table
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|     #
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|     def InitID(self):
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|         self.ID = self.GetCount()
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|     
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|     ## Exec
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|     #
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|     # Exec Sql Command, return result
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|     #
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|     # @param SqlCommand:  The SqlCommand to be executed
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|     #
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|     # @retval RecordSet:  The result after executed
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|     #
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|     def Exec(self, SqlCommand):
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|         EdkLogger.debug(4, "SqlCommand: %s" % SqlCommand)
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|         self.Cur.execute(SqlCommand)
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|         RecordSet = self.Cur.fetchall()
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|         EdkLogger.debug(4, "RecordSet: %s" % RecordSet)
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|         return RecordSet
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