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1 | ## @file\r |
2 | # This file is used to create/update/query/erase a common table\r | |
3 | #\r | |
4 | # Copyright (c) 2008, Intel Corporation\r | |
5 | # All rights reserved. This program and the accompanying materials\r | |
6 | # are licensed and made available under the terms and conditions of the BSD License\r | |
7 | # which accompanies this distribution. The full text of the license may be found at\r | |
8 | # http://opensource.org/licenses/bsd-license.php\r | |
9 | #\r | |
10 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | #\r | |
13 | \r | |
14 | ##\r | |
15 | # Import Modules\r | |
16 | #\r | |
17 | import Common.EdkLogger as EdkLogger\r | |
18 | \r | |
19 | ## TableFile\r | |
20 | #\r | |
21 | # This class defined a common table\r | |
22 | # \r | |
23 | # @param object: Inherited from object class\r | |
24 | #\r | |
25 | # @param Cursor: Cursor of the database\r | |
26 | # @param TableName: Name of the table\r | |
27 | #\r | |
28 | class Table(object):\r | |
29 | def __init__(self, Cursor):\r | |
30 | self.Cur = Cursor\r | |
31 | self.Table = ''\r | |
32 | self.ID = 0\r | |
33 | \r | |
34 | ## Create table\r | |
35 | #\r | |
36 | # Create a table\r | |
37 | #\r | |
38 | def Create(self, SqlCommand):\r | |
39 | self.Cur.execute(SqlCommand)\r | |
40 | self.ID = 0\r | |
41 | EdkLogger.verbose(SqlCommand + " ... DONE!")\r | |
42 | \r | |
43 | ## Insert table\r | |
44 | #\r | |
45 | # Insert a record into a table\r | |
46 | #\r | |
47 | def Insert(self, SqlCommand):\r | |
48 | self.Exec(SqlCommand)\r | |
49 | \r | |
50 | ## Query table\r | |
51 | #\r | |
52 | # Query all records of the table\r | |
53 | # \r | |
54 | def Query(self):\r | |
55 | EdkLogger.verbose("\nQuery tabel %s started ..." % self.Table)\r | |
56 | SqlCommand = """select * from %s""" % self.Table\r | |
57 | self.Cur.execute(SqlCommand)\r | |
58 | for Rs in self.Cur:\r | |
59 | EdkLogger.verbose(str(Rs))\r | |
60 | \r | |
61 | TotalCount = self.GetCount()\r | |
62 | EdkLogger.verbose("*** Total %s records in table %s ***" % (TotalCount, self.Table) )\r | |
63 | EdkLogger.verbose("Query tabel %s DONE!" % self.Table)\r | |
64 | \r | |
65 | ## Drop a table\r | |
66 | #\r | |
67 | # Drop the table\r | |
68 | #\r | |
69 | def Drop(self):\r | |
70 | SqlCommand = """drop table IF EXISTS %s""" % self.Table\r | |
71 | self.Cur.execute(SqlCommand)\r | |
72 | EdkLogger.verbose("Drop tabel %s ... DONE!" % self.Table)\r | |
73 | \r | |
74 | ## Get count\r | |
75 | #\r | |
76 | # Get a count of all records of the table\r | |
77 | #\r | |
78 | # @retval Count: Total count of all records\r | |
79 | #\r | |
80 | def GetCount(self):\r | |
81 | SqlCommand = """select count(ID) from %s""" % self.Table\r | |
82 | self.Cur.execute(SqlCommand)\r | |
83 | for Item in self.Cur:\r | |
84 | return Item[0]\r | |
85 | \r | |
86 | ## Generate ID\r | |
87 | #\r | |
88 | # Generate an ID if input ID is -1\r | |
89 | #\r | |
90 | # @param ID: Input ID \r | |
91 | #\r | |
92 | # @retval ID: New generated ID\r | |
93 | #\r | |
94 | def GenerateID(self, ID):\r | |
95 | if ID == -1:\r | |
96 | self.ID = self.ID + 1\r | |
97 | \r | |
98 | return self.ID\r | |
99 | \r | |
100 | ## Init the ID of the table\r | |
101 | #\r | |
102 | # Init the ID of the table\r | |
103 | #\r | |
104 | def InitID(self):\r | |
105 | self.ID = self.GetCount()\r | |
106 | \r | |
107 | ## Exec\r | |
108 | #\r | |
109 | # Exec Sql Command, return result\r | |
110 | #\r | |
111 | # @param SqlCommand: The SqlCommand to be executed\r | |
112 | #\r | |
113 | # @retval RecordSet: The result after executed\r | |
114 | #\r | |
115 | def Exec(self, SqlCommand):\r | |
116 | EdkLogger.debug(4, "SqlCommand: %s" % SqlCommand)\r | |
117 | self.Cur.execute(SqlCommand)\r | |
118 | RecordSet = self.Cur.fetchall()\r | |
119 | EdkLogger.debug(4, "RecordSet: %s" % RecordSet)\r | |
120 | return RecordSet\r |