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https://github.com/CloverHackyColor/CloverBootloader.git
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115 lines
2.8 KiB
Python
115 lines
2.8 KiB
Python
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## @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 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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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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## 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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## 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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## 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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## 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 table %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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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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## 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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## 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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## 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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return self.ID
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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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## 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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