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