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## @file
# This file is used to create/update/query/erase table for files
#
# Copyright (c) 2008 - 2018, 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.LongFilePathOs as os
import Common.EdkLogger as EdkLogger
from CommonDataClass import DataClass
from CommonDataClass.DataClass import FileClass
## Convert to SQL required string format
def ConvertToSqlString(StringList):
return map(lambda s: "'" + s.replace("'", "''") + "'", StringList)
## 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):
_COLUMN_ = ''
_ID_STEP_ = 1
_ID_MAX_ = 0x80000000
_DUMMY_ = 0
def __init__(self, Cursor, Name='', IdBase=0, Temporary=False):
self.Cur = Cursor
self.Table = Name
self.IdBase = int(IdBase)
self.ID = int(IdBase)
self.Temporary = Temporary
def __str__(self):
return self.Table
## Create table
#
# Create a table
#
def Create(self, NewTable=True):
if NewTable:
self.Drop()
if self.Temporary:
SqlCommand = """create temp table IF NOT EXISTS %s (%s)""" % (self.Table, self._COLUMN_)
else:
SqlCommand = """create table IF NOT EXISTS %s (%s)""" % (self.Table, self._COLUMN_)
EdkLogger.debug(EdkLogger.DEBUG_8, SqlCommand)
self.Cur.execute(SqlCommand)
self.ID = self.GetId()
## Insert table
#
# Insert a record into a table
#
def Insert(self, *Args):
self.ID = self.ID + self._ID_STEP_
if self.ID >= (self.IdBase + self._ID_MAX_):
self.ID = self.IdBase + self._ID_STEP_
Values = ", ".join(str(Arg) for Arg in Args)
SqlCommand = "insert into %s values(%s, %s)" % (self.Table, self.ID, Values)
EdkLogger.debug(EdkLogger.DEBUG_5, SqlCommand)
self.Cur.execute(SqlCommand)
return self.ID
## Query table
#
# Query all records of the table
#
def Query(self):
SqlCommand = """select * from %s""" % self.Table
self.Cur.execute(SqlCommand)
for Rs in self.Cur:
EdkLogger.verbose(str(Rs))
TotalCount = self.GetId()
## Drop a table
#
# Drop the table
#
def Drop(self):
SqlCommand = """drop table IF EXISTS %s""" % self.Table
try:
self.Cur.execute(SqlCommand)
except Exception, e:
print "An error occurred when Drop a table:", e.args[0]
## 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
Record = self.Cur.execute(SqlCommand).fetchall()
return Record[0][0]
def GetId(self):
SqlCommand = """select max(ID) from %s""" % self.Table
Record = self.Cur.execute(SqlCommand).fetchall()
Id = Record[0][0]
if Id is None:
Id = self.IdBase
return Id
## Init the ID of the table
#
# Init the ID of the table
#
def InitID(self):
self.ID = self.GetId()
## 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(EdkLogger.DEBUG_5, SqlCommand)
self.Cur.execute(SqlCommand)
RecordSet = self.Cur.fetchall()
return RecordSet
def SetEndFlag(self):
pass
def IsIntegral(self):
Result = self.Exec("select min(ID) from %s" % (self.Table))
if Result[0][0] != -1:
return False
return True
def GetAll(self):
return self.Exec("select * from %s where ID > 0 order by ID" % (self.Table))
## TableDataModel
#
# This class defined a table used for data model
#
# @param object: Inherited from object class
#
#
class TableDataModel(Table):
_COLUMN_ = """
ID INTEGER PRIMARY KEY,
CrossIndex INTEGER NOT NULL,
Name VARCHAR NOT NULL,
Description VARCHAR
"""
def __init__(self, Cursor):
Table.__init__(self, Cursor, 'DataModel')
## Insert table
#
# Insert a record into table DataModel
#
# @param ID: ID of a ModelType
# @param CrossIndex: CrossIndex of a ModelType
# @param Name: Name of a ModelType
# @param Description: Description of a ModelType
#
def Insert(self, CrossIndex, Name, Description):
(Name, Description) = ConvertToSqlString((Name, Description))
return Table.Insert(self, CrossIndex, Name, Description)
## Init table
#
# Create all default records of table DataModel
#
def InitTable(self):
EdkLogger.verbose("\nInitialize table DataModel started ...")
Count = self.GetCount()
if Count is not None and Count != 0:
return
for Item in DataClass.MODEL_LIST:
CrossIndex = Item[1]
Name = Item[0]
Description = Item[0]
self.Insert(CrossIndex, Name, Description)
EdkLogger.verbose("Initialize table DataModel ... DONE!")
## Get CrossIndex
#
# Get a model's cross index from its name
#
# @param ModelName: Name of the model
# @retval CrossIndex: CrossIndex of the model
#
def GetCrossIndex(self, ModelName):
CrossIndex = -1
SqlCommand = """select CrossIndex from DataModel where name = '""" + ModelName + """'"""
self.Cur.execute(SqlCommand)
for Item in self.Cur:
CrossIndex = Item[0]
return CrossIndex
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