trunk/testsuite/Test13.pas

unit Test13;

{$mode objfpc}{$H+}

{Test 13: Open and read from Employee Database with ISQLMonitor}

{  This is a simple use of IBX to access the employee database in console mode.
  The program opens the database, runs a query and writes the result to stdout.

  ISQLMonitor is used to trace the activity.

}

interface

uses
  Classes, SysUtils, TestApplication, IBXTestBase, IB, IBCustomDataSet, IBDatabase,
  IBQuery, IBInternals, IBSQLMonitor;

const
  aTestID    = '13';
  aTestTitle = 'Open and read from Employee Database with ISQLMonitor';

type

{ TTest13 }

  TTest13 = class(TIBXTestBase)
  private
    FIBSQLMonitor: TIBSQLMonitor;
    FLog: TStringList;
    procedure HandleOnSQL(EventText: String; EventTime : TDateTime);
  protected
    procedure CreateObjects(Application: TTestApplication); override;
    function GetTestID: AnsiString; override;
    function GetTestTitle: AnsiString; override;
    procedure InitTest; override;
  public
    destructor Destroy; override;
    procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
  end;


implementation

const
  sqlExample =
'with recursive Depts As (   '+
'Select DEPT_NO, DEPARTMENT, HEAD_DEPT, cast(DEPARTMENT  as VarChar(256)) as DEPT_PATH,'+
'cast(DEPT_NO as VarChar(64)) as DEPT_KEY_PATH '+
'From DEPARTMENT Where HEAD_DEPT is NULL '+
'UNION ALL '+
'Select D.DEPT_NO, D.DEPARTMENT, D.HEAD_DEPT, Depts.DEPT_PATH ||  '' / '' || D.DEPARTMENT as DEPT_PATH,'+
'Depts.DEPT_KEY_PATH || '';'' || D.DEPT_NO as DEPT_KEY_PATH '+
'From DEPARTMENT D '+
'JOIN Depts On D.HEAD_DEPT = Depts.DEPT_NO '+
')'+

'Select First 2 A.EMP_NO, A.FIRST_NAME, A.LAST_NAME, A.PHONE_EXT, A.HIRE_DATE, A.DEPT_NO, A.JOB_CODE,'+
'A.JOB_GRADE, A.JOB_COUNTRY, A.SALARY, A.FULL_NAME, D.DEPT_PATH, D.DEPT_KEY_PATH '+
'From EMPLOYEE A '+
'JOIN Depts D On D.DEPT_NO = A.DEPT_NO';

  { TTest13 }

procedure TTest13.HandleOnSQL(EventText: String; EventTime: TDateTime);
begin
  FLog.Add('*Monitor* '+DateTimeToStr(EventTime)+' '+EventText);
end;

procedure TTest13.CreateObjects(Application: TTestApplication);
begin
  inherited CreateObjects(Application);
  FIBSQLMonitor := TIBSQLMonitor.Create(Application);
  FIBSQLMonitor.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
     tfTransact, tfBlob, tfService, tfMisc];
  IBDatabase.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
     tfTransact, tfBlob, tfService, tfMisc];
  FIBSQLMonitor.OnSQL := @HandleOnSQL;
  FIBSQLMonitor.Enabled := true;
  FLog := TStringList.Create;
end;

function TTest13.GetTestID: AnsiString;
begin
  Result := aTestID;
end;

function TTest13.GetTestTitle: AnsiString;
begin
  Result := aTestTitle;
end;

procedure TTest13.InitTest;
begin
  inherited InitTest;
  IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
  ReadOnlyTransaction;
end;

destructor TTest13.Destroy;
begin
  FLog.Free;
  inherited Destroy;
end;

procedure TTest13.RunTest(CharSet: AnsiString; SQLDialect: integer);
var stats: TPerfCounters;
    i: integer;
begin
  writeln(OutFile);
  EnableMonitoring;
  CheckSynchronize(1);
  with IBQuery do
  begin
     AllowAutoActivateTransaction := true;
     Unidirectional := true;
     SQL.Text := sqlExample;
     EnableStatistics := true;
     Active := true;
     PrintDataSet(IBQuery);

     if GetPerfStatistics(stats) then
       WritePerfStats(stats);
     PrintAffectedRows(IBQuery);
     writeln(OutFile);
     writeln(OutFile,'Reconnect');
     IBDatabase.ReConnect;
     Unidirectional := false;
     Active := true;
     PrintDataSet(IBQuery);
  end;
  IBDatabase.Connected := false;
  CheckSynchronize(1);
  DisableMonitoring;
  for i := 0 to FLog.Count - 1 do
    writeln(OutFile,FLog[i]);
end;

initialization
  RegisterTest(TTest13);

end.

Revision:	315
Committed:	Thu Feb 25 11:56:36 2021 UTC (3 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	3769 byte(s)
Log Message:	Updated for IBX 4 release
#	User	Rev	Content
1	tony	315	unit Test13;
2
3			{$mode objfpc}{$H+}
4
5			{Test 13: Open and read from Employee Database with ISQLMonitor}
6
7			{ This is a simple use of IBX to access the employee database in console mode.
8			The program opens the database, runs a query and writes the result to stdout.
9
10			ISQLMonitor is used to trace the activity.
11
12			}
13
14			interface
15
16			uses
17			Classes, SysUtils, TestApplication, IBXTestBase, IB, IBCustomDataSet, IBDatabase,
18			IBQuery, IBInternals, IBSQLMonitor;
19
20			const
21			aTestID = '13';
22			aTestTitle = 'Open and read from Employee Database with ISQLMonitor';
23
24			type
25
26			{ TTest13 }
27
28			TTest13 = class(TIBXTestBase)
29			private
30			FIBSQLMonitor: TIBSQLMonitor;
31			FLog: TStringList;
32			procedure HandleOnSQL(EventText: String; EventTime : TDateTime);
33			protected
34			procedure CreateObjects(Application: TTestApplication); override;
35			function GetTestID: AnsiString; override;
36			function GetTestTitle: AnsiString; override;
37			procedure InitTest; override;
38			public
39			destructor Destroy; override;
40			procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
41			end;
42
43
44			implementation
45
46			const
47			sqlExample =
48			'with recursive Depts As ( '+
49			'Select DEPT_NO, DEPARTMENT, HEAD_DEPT, cast(DEPARTMENT as VarChar(256)) as DEPT_PATH,'+
50			'cast(DEPT_NO as VarChar(64)) as DEPT_KEY_PATH '+
51			'From DEPARTMENT Where HEAD_DEPT is NULL '+
52			'UNION ALL '+
53			'Select D.DEPT_NO, D.DEPARTMENT, D.HEAD_DEPT, Depts.DEPT_PATH \|\| '' / '' \|\| D.DEPARTMENT as DEPT_PATH,'+
54			'Depts.DEPT_KEY_PATH \|\| '';'' \|\| D.DEPT_NO as DEPT_KEY_PATH '+
55			'From DEPARTMENT D '+
56			'JOIN Depts On D.HEAD_DEPT = Depts.DEPT_NO '+
57			')'+
58
59			'Select First 2 A.EMP_NO, A.FIRST_NAME, A.LAST_NAME, A.PHONE_EXT, A.HIRE_DATE, A.DEPT_NO, A.JOB_CODE,'+
60			'A.JOB_GRADE, A.JOB_COUNTRY, A.SALARY, A.FULL_NAME, D.DEPT_PATH, D.DEPT_KEY_PATH '+
61			'From EMPLOYEE A '+
62			'JOIN Depts D On D.DEPT_NO = A.DEPT_NO';
63
64			{ TTest13 }
65
66			procedure TTest13.HandleOnSQL(EventText: String; EventTime: TDateTime);
67			begin
68			FLog.Add('Monitor '+DateTimeToStr(EventTime)+' '+EventText);
69			end;
70
71			procedure TTest13.CreateObjects(Application: TTestApplication);
72			begin
73			inherited CreateObjects(Application);
74			FIBSQLMonitor := TIBSQLMonitor.Create(Application);
75			FIBSQLMonitor.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
76			tfTransact, tfBlob, tfService, tfMisc];
77			IBDatabase.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
78			tfTransact, tfBlob, tfService, tfMisc];
79			FIBSQLMonitor.OnSQL := @HandleOnSQL;
80			FIBSQLMonitor.Enabled := true;
81			FLog := TStringList.Create;
82			end;
83
84			function TTest13.GetTestID: AnsiString;
85			begin
86			Result := aTestID;
87			end;
88
89			function TTest13.GetTestTitle: AnsiString;
90			begin
91			Result := aTestTitle;
92			end;
93
94			procedure TTest13.InitTest;
95			begin
96			inherited InitTest;
97			IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
98			ReadOnlyTransaction;
99			end;
100
101			destructor TTest13.Destroy;
102			begin
103			FLog.Free;
104			inherited Destroy;
105			end;
106
107			procedure TTest13.RunTest(CharSet: AnsiString; SQLDialect: integer);
108			var stats: TPerfCounters;
109			i: integer;
110			begin
111			writeln(OutFile);
112			EnableMonitoring;
113			CheckSynchronize(1);
114			with IBQuery do
115			begin
116			AllowAutoActivateTransaction := true;
117			Unidirectional := true;
118			SQL.Text := sqlExample;
119			EnableStatistics := true;
120			Active := true;
121			PrintDataSet(IBQuery);
122
123			if GetPerfStatistics(stats) then
124			WritePerfStats(stats);
125			PrintAffectedRows(IBQuery);
126			writeln(OutFile);
127			writeln(OutFile,'Reconnect');
128			IBDatabase.ReConnect;
129			Unidirectional := false;
130			Active := true;
131			PrintDataSet(IBQuery);
132			end;
133			IBDatabase.Connected := false;
134			CheckSynchronize(1);
135			DisableMonitoring;
136			for i := 0 to FLog.Count - 1 do
137			writeln(OutFile,FLog[i]);
138			end;
139
140			initialization
141			RegisterTest(TTest13);
142
143			end.
144