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root/public/ibx/branches/udr/testsuite/Test3.pas
Revision: 396
Committed: Thu Feb 17 11:57:23 2022 UTC (4 months, 2 weeks ago) by tony
File size: 6717 byte(s)
Log Message:
Remove set sql dialect from clone attachment
Line File contents
1 (*
2 * Firebird Interface (fbintf) Test suite. This program is used to
3 * test the Firebird Pascal Interface and provide a semi-automated
4 * pass/fail check for each test.
5 *
6 * The contents of this file are subject to the Initial Developer's
7 * Public License Version 1.0 (the "License"); you may not use this
8 * file except in compliance with the License. You may obtain a copy
9 * of the License here:
10 *
11 * http://www.firebirdsql.org/index.php?op=doc&id=idpl
12 *
13 * Software distributed under the License is distributed on an "AS
14 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
15 * implied. See the License for the specific language governing rights
16 * and limitations under the License.
17 *
18 * The Initial Developer of the Original Code is Tony Whyman.
19 *
20 * The Original Code is (C) 2016 Tony Whyman, MWA Software
21 * (http://www.mwasoftware.co.uk).
22 *
23 * All Rights Reserved.
24 *
25 * Contributor(s): ______________________________________.
26 *
27 *)
28
29 unit Test3;
30 {$IFDEF MSWINDOWS}
31 {$DEFINE WINDOWS}
32 {$ENDIF}
33
34 {$IFDEF FPC}
35 {$mode delphi}
36 {$codepage utf8}
37 {$ENDIF}
38
39 { Test 3: ad hoc queries}
40
41 { This test opens the employee example databases with the supplied user name/password
42 and runs several queries:
43
44 1. The convenience function OpenCursorAtStart is used to return a count of the
45 records in the employee database. This creates its own read only transaction.
46
47 2. A parameterised query is used to delete a record. The record count is repeated
48 using the same transaction as the deletion. The transaction is rolled back.
49
50 3. Rollback is demonstrated by returning a record count. This time creating the
51 transaction in place.
52
53 4. The above two steps are repeated but with a named parameter ad an implicit end to the transaction.
54
55 5. Note implicit disconnect on end
56 }
57
58 interface
59
60 uses
61 Classes, SysUtils, TestApplication, FBTestApp, IB;
62
63 type
64 { TTest3 }
65
66 TTest3 = class(TFBTestBase)
67 private
68 procedure DoQuery(Attachment: IAttachment);
69 public
70 function TestTitle: AnsiString; override;
71 procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
72 end;
73
74
75 implementation
76
77 { TTest3 }
78
79 procedure TTest3.DoQuery(Attachment: IAttachment);
80 var Transaction: ITransaction;
81 ResultSet: IResultSet;
82 Statement: IStatement;
83 TPB: ITPB;
84 us: UnicodeString;
85 begin
86 writeln(OutFile,'Employee Count = ',Attachment.OpenCursorAtStart('Select count(*) from EMPLOYEE')[0].AsInteger);
87
88 TPB := FirebirdAPI.AllocateTPB;
89 TPB.Add(isc_tpb_write);
90 TPB.Add(isc_tpb_nowait);
91 TPB.Add(isc_tpb_concurrency);
92 TPB.Add(isc_tpb_lock_read).AsString := 'EMPLOYEE';
93 TPB.Add(isc_tpb_protected);
94 Transaction := Attachment.StartTransaction(TPB,taRollback);
95 writeln(OutFile,'Transaction ID = ',Transaction.GetTransactionID);
96 if Transaction.GetIsReadOnly then
97 writeln(OutFile,'Transaction is Read Only')
98 else
99 writeln(OutFile,'Transaction is Read/Write');
100 writeTRInfo(Transaction.GetTrInformation([isc_info_tra_id,
101 isc_info_tra_oldest_interesting,
102 isc_info_tra_oldest_active,
103 isc_info_tra_oldest_snapshot,
104 fb_info_tra_snapshot_number,
105 isc_info_tra_lock_timeout,
106 isc_info_tra_access,
107 isc_info_tra_isolation,
108 fb_info_tra_dbpath]));
109 Attachment.ExecuteSQL(Transaction, 'Execute Procedure DELETE_EMPLOYEE ?', [8]);
110
111 ResultSet := Attachment.OpenCursorAtStart(
112 Transaction,
113 'Select count(*) from EMPLOYEE',3);
114
115 writeln(OutFile,'Employee Count = ',ResultSet[0].AsInteger);
116
117 ResultSet := Attachment.OpenCursorAtStart('Select count(*) from EMPLOYEE');
118 writeln(OutFile,'Employee Count = ',ResultSet[0].AsInteger);
119
120 {$IFNDEF FPC}
121 Transaction.Rollback; {Delphi does not dispose of interfaces until the end of the function
122 so we need to explicitly rollback here. FPC will dispose of the
123 interface as soon as it is overwritten - hence this is not needed.}
124 {$ENDIF}
125 Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taRollback);
126 Statement := Attachment.PrepareWithNamedParameters(Transaction,'Execute Procedure DELETE_EMPLOYEE :EMP_NO',3);
127 Statement.GetSQLParams.ByName('EMP_NO').AsInteger := 8;
128 Statement.Execute;
129
130 ResultSet := Attachment.OpenCursorAtStart(
131 Transaction,
132 'Select count(*) from EMPLOYEE',3);
133
134 writeln(OutFile,'Employee Count = ',ResultSet[0].AsInteger);
135
136 Transaction := nil; {implicit rollback}
137
138
139 writeln(OutFile,'Employee Count = ',Attachment.OpenCursorAtStart(
140 Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
141 'Select count(*) As Counter from EMPLOYEE',3)[0].AsInteger);
142
143 writeln(OutFile,'Constrained Employee Count = ',Attachment.OpenCursorAtStart(
144 Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
145 'Select count(*) As Counter from EMPLOYEE Where EMP_NO < ?',3,[8])[0].AsInteger);
146
147 writeln(OutFile,'"Johnson" Employee Count = ',Attachment.OpenCursorAtStart(
148 Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
149 'Select count(*) As Counter from EMPLOYEE Where LAST_NAME = ?',3,['Johnson'])[0].AsInteger);
150
151 us := UTF8Decode('Yanowski'); {Test a UnicodeString as a parameter}
152
153 writeln(OutFile,'"Yanowski" Employee Count = ',Attachment.OpenCursorAtStart(
154 Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
155 'Select count(*) As Counter from EMPLOYEE Where LAST_NAME = ?',3,[us])[0].AsInteger);
156
157 end;
158
159 function TTest3.TestTitle: AnsiString;
160 begin
161 Result := 'Test 3: ad hoc queries';
162 end;
163
164 procedure TTest3.RunTest(CharSet: AnsiString; SQLDialect: integer);
165 var Attachment: IAttachment;
166 DPB: IDPB;
167 begin
168 DPB := FirebirdAPI.AllocateDPB;
169 DPB.Add(isc_dpb_user_name).AsString := Owner.GetUserName;
170 DPB.Add(isc_dpb_password).AsString := Owner.GetPassword;
171 DPB.Add(isc_dpb_lc_ctype).AsString := CharSet;
172
173 writeln(OutFile,'Opening ',Owner.GetEmployeeDatabaseName);
174 Attachment := FirebirdAPI.OpenDatabase(Owner.GetEmployeeDatabaseName,DPB);
175 writeln(OutFile,'Database Open');
176 DoQuery(Attachment);
177 end;
178
179 initialization
180 RegisterTest(TTest3);
181
182 end.
183

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