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);
    procedure ShowStatistics(Sender: TObject);
  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.ShowStatistics(Sender: TObject);
begin
  writeln(OutFile,FIBSQLMonitor.ReadCount,' ISQL Monitor Messages Received');
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.OnMonitoringDisabled := @ShowStatistics;
  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;
  writeln(Outfile,MonitorHook.GetWriteCount,' ISQL Monitor Messages written');
  Sleep(1000);
  for i := 0 to FLog.Count - 1 do
    writeln(OutFile,FLog[i]);
  writeln(OutFile,FIBSQLMonitor.ReadCount,' ISQL Monitor Messages Received');
end;

initialization
  RegisterTest(TTest13);

end.

Revision:	319
Committed:	Thu Feb 25 12:05:40 2021 UTC (3 years, 2 months ago) by tony
Content type:	text/x-pascal
File size:	4189 byte(s)
Log Message:	Merge into public 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	tony	319	procedure ShowStatistics(Sender: TObject);
34	tony	315	protected
35			procedure CreateObjects(Application: TTestApplication); override;
36			function GetTestID: AnsiString; override;
37			function GetTestTitle: AnsiString; override;
38			procedure InitTest; override;
39			public
40			destructor Destroy; override;
41			procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
42			end;
43
44
45			implementation
46
47			const
48			sqlExample =
49			'with recursive Depts As ( '+
50			'Select DEPT_NO, DEPARTMENT, HEAD_DEPT, cast(DEPARTMENT as VarChar(256)) as DEPT_PATH,'+
51			'cast(DEPT_NO as VarChar(64)) as DEPT_KEY_PATH '+
52			'From DEPARTMENT Where HEAD_DEPT is NULL '+
53			'UNION ALL '+
54			'Select D.DEPT_NO, D.DEPARTMENT, D.HEAD_DEPT, Depts.DEPT_PATH \|\| '' / '' \|\| D.DEPARTMENT as DEPT_PATH,'+
55			'Depts.DEPT_KEY_PATH \|\| '';'' \|\| D.DEPT_NO as DEPT_KEY_PATH '+
56			'From DEPARTMENT D '+
57			'JOIN Depts On D.HEAD_DEPT = Depts.DEPT_NO '+
58			')'+
59
60			'Select First 2 A.EMP_NO, A.FIRST_NAME, A.LAST_NAME, A.PHONE_EXT, A.HIRE_DATE, A.DEPT_NO, A.JOB_CODE,'+
61			'A.JOB_GRADE, A.JOB_COUNTRY, A.SALARY, A.FULL_NAME, D.DEPT_PATH, D.DEPT_KEY_PATH '+
62			'From EMPLOYEE A '+
63			'JOIN Depts D On D.DEPT_NO = A.DEPT_NO';
64
65			{ TTest13 }
66
67			procedure TTest13.HandleOnSQL(EventText: String; EventTime: TDateTime);
68			begin
69	tony	319	FLog.Add('Monitor ' {+DateTimeToStr(EventTime)}+' '+EventText);
70	tony	315	end;
71
72	tony	319	procedure TTest13.ShowStatistics(Sender: TObject);
73			begin
74			writeln(OutFile,FIBSQLMonitor.ReadCount,' ISQL Monitor Messages Received');
75			end;
76
77	tony	315	procedure TTest13.CreateObjects(Application: TTestApplication);
78			begin
79			inherited CreateObjects(Application);
80			FIBSQLMonitor := TIBSQLMonitor.Create(Application);
81			FIBSQLMonitor.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
82			tfTransact, tfBlob, tfService, tfMisc];
83			IBDatabase.TraceFlags := [tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
84			tfTransact, tfBlob, tfService, tfMisc];
85			FIBSQLMonitor.OnSQL := @HandleOnSQL;
86	tony	319	FIBSQLMonitor.OnMonitoringDisabled := @ShowStatistics;
87	tony	315	FIBSQLMonitor.Enabled := true;
88			FLog := TStringList.Create;
89			end;
90
91			function TTest13.GetTestID: AnsiString;
92			begin
93			Result := aTestID;
94			end;
95
96			function TTest13.GetTestTitle: AnsiString;
97			begin
98			Result := aTestTitle;
99			end;
100
101			procedure TTest13.InitTest;
102			begin
103			inherited InitTest;
104			IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
105			ReadOnlyTransaction;
106			end;
107
108			destructor TTest13.Destroy;
109			begin
110			FLog.Free;
111			inherited Destroy;
112			end;
113
114			procedure TTest13.RunTest(CharSet: AnsiString; SQLDialect: integer);
115			var stats: TPerfCounters;
116			i: integer;
117			begin
118			writeln(OutFile);
119			EnableMonitoring;
120			CheckSynchronize(1);
121			with IBQuery do
122			begin
123			AllowAutoActivateTransaction := true;
124			Unidirectional := true;
125			SQL.Text := sqlExample;
126			EnableStatistics := true;
127			Active := true;
128			PrintDataSet(IBQuery);
129
130			if GetPerfStatistics(stats) then
131			WritePerfStats(stats);
132			PrintAffectedRows(IBQuery);
133			writeln(OutFile);
134			writeln(OutFile,'Reconnect');
135			IBDatabase.ReConnect;
136			Unidirectional := false;
137			Active := true;
138			PrintDataSet(IBQuery);
139			end;
140			IBDatabase.Connected := false;
141			CheckSynchronize(1);
142			DisableMonitoring;
143	tony	319	writeln(Outfile,MonitorHook.GetWriteCount,' ISQL Monitor Messages written');
144			Sleep(1000);
145	tony	315	for i := 0 to FLog.Count - 1 do
146			writeln(OutFile,FLog[i]);
147	tony	319	writeln(OutFile,FIBSQLMonitor.ReadCount,' ISQL Monitor Messages Received');
148	tony	315	end;
149
150			initialization
151			RegisterTest(TTest13);
152
153			end.
154