trunk/testsuite/Test07.pas

unit Test07;

{$mode objfpc}{$H+}

{Test 7: Open and read from Employee Database using TIBSQL}

{  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.

}

interface

uses
  Classes, SysUtils, TestApplication, IBXTestBase, IB, IBCustomDataSet, IBDatabase, IBSQL;

const
  aTestID    = '07';
  aTestTitle = 'Open and read from Employee Database using IBSQL';

type

{ TTest07 }

  TTest07 = class(TIBXTestBase)
  private
    FIBSQL: TIBSQL;
  protected
    procedure CreateObjects(Application: TTestApplication); override;
    function GetTestID: AnsiString; override;
    function GetTestTitle: AnsiString; override;
    procedure InitTest; override;
  public
    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 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';

  { TTest07 }

procedure TTest07.CreateObjects(Application: TTestApplication);
begin
  inherited CreateObjects(Application);
  FIBSQL := TIBSQL.Create(Application);
  FIBSQL.Database := IBDatabase;
end;

function TTest07.GetTestID: AnsiString;
begin
  Result := aTestID;
end;

function TTest07.GetTestTitle: AnsiString;
begin
  Result := aTestTitle;
end;

procedure TTest07.InitTest;
begin
  inherited InitTest;
  IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
  ReadWriteTransaction;
end;

procedure TTest07.RunTest(CharSet: AnsiString; SQLDialect: integer);
var stats: TPerfCounters;
begin
  IBDatabase.Connected := true;
  with FIBSQL do
  begin
     SQL.Text := sqlExample + ' Order By 1';
     Transaction.Active := true;
     Prepare;
     PrintMetaData(MetaData);
     Statement.EnableStatistics(true);
     writeln(OutFile,Plan);
     ExecQuery;
     try
       while not EOF do
       begin
         ReportResult(Current);
         Next;
       end;
     finally
       Close;
     end;

     if Statement.GetPerfStatistics(stats) then
       WritePerfStats(stats);
     PrintAffectedRows(IBQuery);
     writeln(OutFile);
     writeln(OutFile,'------------------------------------------------------');
     writeln(OutFile,'With Named Parameter');
     SQL.Text := sqlExample + ' Where Hire_Date < :HireDate';
     Transaction.Active := true;
     ParamByName('HireDate').AsDateTime := StrToDateTime('1/1/1991');
     ExecQuery;
     try
       while not EOF do
       begin
         ReportResult(Current);
         Next;
       end;
     finally
       Close;
     end;
     writeln(OutFile);
     writeln(OutFile,'With Positional Parameter');
     ParamCheck := false;
     SQL.Text := sqlExample + ' Where Hire_Date < ?';
     Transaction.Active := true;
     Params[0].AsDateTime := StrToDateTime('1/1/1990');
     ExecQuery;
     try
       while not EOF do
       begin
         ReportResult(Current);
         Next;
       end;
     finally
       Close;
     end;

     writeln(OutFile);
     writeln(OutFile,'Get Employee Project');
     ParamCheck := true;
     Transaction.Active := true;
     SQL.Text := 'Select * From GET_EMP_PROJ(:EMP_NO)';
     ParamByName('EMP_NO').AsInteger := 4;
     PrintMetaData(MetaData);
     ExecQuery;
     try
       while not EOF do
       begin
         ReportResult(Current);
         Next;
       end;
     finally
       Close;
     end;

     writeln(OutFile);
     writeln(OutFile,'Call Delete Employee - exception expected');
     SQL.Text := 'Execute Procedure Delete_EMPLOYEE :EMP_NO';
     ParamByName('EMP_NO').AsInteger := 11;
     try
       ExecQuery;
     except on E:Exception do
       writeln(OutFile,'Terminated with Exception:',E.Message);
     end;
     Transaction.Rollback;
  end;
end;

initialization
  RegisterTest(TTest07);

end.

Revision:	315
Committed:	Thu Feb 25 11:56:36 2021 UTC (3 years, 8 months ago) by tony
Content type:	text/x-pascal
File size:	4422 byte(s)
Log Message:	Updated for IBX 4 release
#	User	Rev	Content
1	tony	315	unit Test07;
2
3			{$mode objfpc}{$H+}
4
5			{Test 7: Open and read from Employee Database using TIBSQL}
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			}
11
12			interface
13
14			uses
15			Classes, SysUtils, TestApplication, IBXTestBase, IB, IBCustomDataSet, IBDatabase, IBSQL;
16
17			const
18			aTestID = '07';
19			aTestTitle = 'Open and read from Employee Database using IBSQL';
20
21			type
22
23			{ TTest07 }
24
25			TTest07 = class(TIBXTestBase)
26			private
27			FIBSQL: TIBSQL;
28			protected
29			procedure CreateObjects(Application: TTestApplication); override;
30			function GetTestID: AnsiString; override;
31			function GetTestTitle: AnsiString; override;
32			procedure InitTest; override;
33			public
34			procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
35			end;
36
37
38			implementation
39
40			const
41			sqlExample =
42			'with recursive Depts As ( '+
43			'Select DEPT_NO, DEPARTMENT, HEAD_DEPT, cast(DEPARTMENT as VarChar(256)) as DEPT_PATH,'+
44			'cast(DEPT_NO as VarChar(64)) as DEPT_KEY_PATH '+
45			'From DEPARTMENT Where HEAD_DEPT is NULL '+
46			'UNION ALL '+
47			'Select D.DEPT_NO, D.DEPARTMENT, D.HEAD_DEPT, Depts.DEPT_PATH \|\| '' / '' \|\| D.DEPARTMENT as DEPT_PATH,'+
48			'Depts.DEPT_KEY_PATH \|\| '';'' \|\| D.DEPT_NO as DEPT_KEY_PATH '+
49			'From DEPARTMENT D '+
50			'JOIN Depts On D.HEAD_DEPT = Depts.DEPT_NO '+
51			')'+
52
53			'Select A.EMP_NO, A.FIRST_NAME, A.LAST_NAME, A.PHONE_EXT, A.HIRE_DATE, A.DEPT_NO, A.JOB_CODE,'+
54			'A.JOB_GRADE, A.JOB_COUNTRY, A.SALARY, A.FULL_NAME, D.DEPT_PATH, D.DEPT_KEY_PATH '+
55			'From EMPLOYEE A '+
56			'JOIN Depts D On D.DEPT_NO = A.DEPT_NO';
57
58			{ TTest07 }
59
60			procedure TTest07.CreateObjects(Application: TTestApplication);
61			begin
62			inherited CreateObjects(Application);
63			FIBSQL := TIBSQL.Create(Application);
64			FIBSQL.Database := IBDatabase;
65			end;
66
67			function TTest07.GetTestID: AnsiString;
68			begin
69			Result := aTestID;
70			end;
71
72			function TTest07.GetTestTitle: AnsiString;
73			begin
74			Result := aTestTitle;
75			end;
76
77			procedure TTest07.InitTest;
78			begin
79			inherited InitTest;
80			IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
81			ReadWriteTransaction;
82			end;
83
84			procedure TTest07.RunTest(CharSet: AnsiString; SQLDialect: integer);
85			var stats: TPerfCounters;
86			begin
87			IBDatabase.Connected := true;
88			with FIBSQL do
89			begin
90			SQL.Text := sqlExample + ' Order By 1';
91			Transaction.Active := true;
92			Prepare;
93			PrintMetaData(MetaData);
94			Statement.EnableStatistics(true);
95			writeln(OutFile,Plan);
96			ExecQuery;
97			try
98			while not EOF do
99			begin
100			ReportResult(Current);
101			Next;
102			end;
103			finally
104			Close;
105			end;
106
107			if Statement.GetPerfStatistics(stats) then
108			WritePerfStats(stats);
109			PrintAffectedRows(IBQuery);
110			writeln(OutFile);
111			writeln(OutFile,'------------------------------------------------------');
112			writeln(OutFile,'With Named Parameter');
113			SQL.Text := sqlExample + ' Where Hire_Date < :HireDate';
114			Transaction.Active := true;
115			ParamByName('HireDate').AsDateTime := StrToDateTime('1/1/1991');
116			ExecQuery;
117			try
118			while not EOF do
119			begin
120			ReportResult(Current);
121			Next;
122			end;
123			finally
124			Close;
125			end;
126			writeln(OutFile);
127			writeln(OutFile,'With Positional Parameter');
128			ParamCheck := false;
129			SQL.Text := sqlExample + ' Where Hire_Date < ?';
130			Transaction.Active := true;
131			Params[0].AsDateTime := StrToDateTime('1/1/1990');
132			ExecQuery;
133			try
134			while not EOF do
135			begin
136			ReportResult(Current);
137			Next;
138			end;
139			finally
140			Close;
141			end;
142
143			writeln(OutFile);
144			writeln(OutFile,'Get Employee Project');
145			ParamCheck := true;
146			Transaction.Active := true;
147			SQL.Text := 'Select * From GET_EMP_PROJ(:EMP_NO)';
148			ParamByName('EMP_NO').AsInteger := 4;
149			PrintMetaData(MetaData);
150			ExecQuery;
151			try
152			while not EOF do
153			begin
154			ReportResult(Current);
155			Next;
156			end;
157			finally
158			Close;
159			end;
160
161			writeln(OutFile);
162			writeln(OutFile,'Call Delete Employee - exception expected');
163			SQL.Text := 'Execute Procedure Delete_EMPLOYEE :EMP_NO';
164			ParamByName('EMP_NO').AsInteger := 11;
165			try
166			ExecQuery;
167			except on E:Exception do
168			writeln(OutFile,'Terminated with Exception:',E.Message);
169			end;
170			Transaction.Rollback;
171			end;
172			end;
173
174			initialization
175			RegisterTest(TTest07);
176
177			end.
178