trunk/testsuite/Test16.pas

unit Test16;

{$mode objfpc}{$H+}

{Test 16: TIBTable in master/detail relationship}

{ Description
  Open two tables: DEPARATMENT (Master) and EMPLOYEE (Slave) from example
  database and navigate in a master/detail relationship.

  Update employee record to illustrate update returning.

  Insert employee record to illustrate insert returning and generator

  Delete Employee record

  Rollback transaction
}

interface

uses
  Classes, SysUtils,   TestApplication, IBXTestBase, DB, IB, IBTable,
  IBCustomDataset;

const
  aTestID    = '16';
  aTestTitle = 'TIBTable in master/detail relationship';

type

{ TTest16 }

  TTest16 = class(TIBXTestBase)
  private
    FDepartmentTable: TIBTable;
    FEmployeeTable: TIBTable;
    FDataSource: TDataSource;
    procedure HandleDeptOpen(aDataSet: TDataSet);
  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

{ TTest16 }

procedure TTest16.HandleDeptOpen(aDataSet: TDataSet);
begin
  FEmployeeTable.Active := true;
end;

procedure TTest16.CreateObjects(Application: TTestApplication);
begin
  inherited CreateObjects(Application);
  FDepartmentTable := TIBTable.Create(Application);
  with FDepartmentTable do
  begin
    Database := IBDatabase;
    TableName := 'DEPARTMENT';
    IndexFieldNames := 'DEPT_NO';
    ReadOnly := true;
    AfterOpen := @HandleDeptOpen;
  end;
  FDataSource := TDataSource.Create(Application);
  FDataSource.DataSet := FDepartmentTable;
  FEmployeeTable := TIBTable.Create(Application);
  with FEmployeeTable do
  begin
    Database := IBDatabase;
    TableName := 'EMPLOYEE';
    MasterSource := FDataSource;
    IndexFieldNames := 'DEPT_NO';
    MasterFields := 'DEPT_NO';
    with GeneratorField do
    begin
      ApplyOnEvent := gaeOnNewRecord;
      Field := 'EMP_NO';
      Generator := 'EMP_NO_GEN';
    end;
  end;
end;

function TTest16.GetTestID: AnsiString;
begin
  Result := aTestID;
end;

function TTest16.GetTestTitle: AnsiString;
begin
  Result := aTestTitle;
end;

procedure TTest16.InitTest;
begin
  inherited InitTest;
  IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
  ReadWriteTransaction;
end;

procedure TTest16.RunTest(CharSet: AnsiString; SQLDialect: integer);
begin
  IBDatabase.Connected := true;
  IBTransaction.Active := true;
  try
    FDepartmentTable.Active := true;
    writeln(OutFile);
    writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
    PrintDataSet(FEmployeeTable);
    if FDepartmentTable.Locate('DEPT_NO','600',[]) then
    begin
      writeln(OutFile);
      writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
      PrintDataSet(FEmployeeTable);
    end
    else
      writeln(OutFile,'Unable to locate Dept 600');
    if FDepartmentTable.Locate('DEPT_NO','621',[]) then
    begin
      writeln(OutFile);
      writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
      PrintDataSet(FEmployeeTable);
    end
    else
      writeln(OutFile,'Unable to locate Dept 621');

    writeln(OutFile);
    writeln(OutFile,'Update Row with Computed Field');
    with FEmployeeTable do
    begin
      Edit;
      FieldByName('FIRST_NAME').AsString := 'Boris';
      Post;
    end;
    PrintDataSetRow(FEmployeeTable);
  finally
    IBTransaction.Rollback;
    IBDatabase.Connected := false;
  end;
end;

initialization
  RegisterTest(TTest16);

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:	3679 byte(s)
Log Message:	Updated for IBX 4 release
#	User	Rev	Content
1	tony	315	unit Test16;
2
3			{$mode objfpc}{$H+}
4
5			{Test 16: TIBTable in master/detail relationship}
6
7			{ Description
8			Open two tables: DEPARATMENT (Master) and EMPLOYEE (Slave) from example
9			database and navigate in a master/detail relationship.
10
11			Update employee record to illustrate update returning.
12
13			Insert employee record to illustrate insert returning and generator
14
15			Delete Employee record
16
17			Rollback transaction
18			}
19
20			interface
21
22			uses
23			Classes, SysUtils, TestApplication, IBXTestBase, DB, IB, IBTable,
24			IBCustomDataset;
25
26			const
27			aTestID = '16';
28			aTestTitle = 'TIBTable in master/detail relationship';
29
30			type
31
32			{ TTest16 }
33
34			TTest16 = class(TIBXTestBase)
35			private
36			FDepartmentTable: TIBTable;
37			FEmployeeTable: TIBTable;
38			FDataSource: TDataSource;
39			procedure HandleDeptOpen(aDataSet: TDataSet);
40			protected
41			procedure CreateObjects(Application: TTestApplication); override;
42			function GetTestID: AnsiString; override;
43			function GetTestTitle: AnsiString; override;
44			procedure InitTest; override;
45			public
46			procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
47			end;
48
49
50			implementation
51
52			{ TTest16 }
53
54			procedure TTest16.HandleDeptOpen(aDataSet: TDataSet);
55			begin
56			FEmployeeTable.Active := true;
57			end;
58
59			procedure TTest16.CreateObjects(Application: TTestApplication);
60			begin
61			inherited CreateObjects(Application);
62			FDepartmentTable := TIBTable.Create(Application);
63			with FDepartmentTable do
64			begin
65			Database := IBDatabase;
66			TableName := 'DEPARTMENT';
67			IndexFieldNames := 'DEPT_NO';
68			ReadOnly := true;
69			AfterOpen := @HandleDeptOpen;
70			end;
71			FDataSource := TDataSource.Create(Application);
72			FDataSource.DataSet := FDepartmentTable;
73			FEmployeeTable := TIBTable.Create(Application);
74			with FEmployeeTable do
75			begin
76			Database := IBDatabase;
77			TableName := 'EMPLOYEE';
78			MasterSource := FDataSource;
79			IndexFieldNames := 'DEPT_NO';
80			MasterFields := 'DEPT_NO';
81			with GeneratorField do
82			begin
83			ApplyOnEvent := gaeOnNewRecord;
84			Field := 'EMP_NO';
85			Generator := 'EMP_NO_GEN';
86			end;
87			end;
88			end;
89
90			function TTest16.GetTestID: AnsiString;
91			begin
92			Result := aTestID;
93			end;
94
95			function TTest16.GetTestTitle: AnsiString;
96			begin
97			Result := aTestTitle;
98			end;
99
100			procedure TTest16.InitTest;
101			begin
102			inherited InitTest;
103			IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
104			ReadWriteTransaction;
105			end;
106
107			procedure TTest16.RunTest(CharSet: AnsiString; SQLDialect: integer);
108			begin
109			IBDatabase.Connected := true;
110			IBTransaction.Active := true;
111			try
112			FDepartmentTable.Active := true;
113			writeln(OutFile);
114			writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
115			PrintDataSet(FEmployeeTable);
116			if FDepartmentTable.Locate('DEPT_NO','600',[]) then
117			begin
118			writeln(OutFile);
119			writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
120			PrintDataSet(FEmployeeTable);
121			end
122			else
123			writeln(OutFile,'Unable to locate Dept 600');
124			if FDepartmentTable.Locate('DEPT_NO','621',[]) then
125			begin
126			writeln(OutFile);
127			writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
128			PrintDataSet(FEmployeeTable);
129			end
130			else
131			writeln(OutFile,'Unable to locate Dept 621');
132
133			writeln(OutFile);
134			writeln(OutFile,'Update Row with Computed Field');
135			with FEmployeeTable do
136			begin
137			Edit;
138			FieldByName('FIRST_NAME').AsString := 'Boris';
139			Post;
140			end;
141			PrintDataSetRow(FEmployeeTable);
142			finally
143			IBTransaction.Rollback;
144			IBDatabase.Connected := false;
145			end;
146			end;
147
148			initialization
149			RegisterTest(TTest16);
150
151			end.
152