1 |
program TestSelectInto;
|
2 |
|
3 |
{$APPTYPE CONSOLE}
|
4 |
|
5 |
{$R *.res}
|
6 |
|
7 |
uses
|
8 |
System.SysUtils,
|
9 |
Classes, FBUDRController, FBUdrPlugin, IB,
|
10 |
UdrSelectInto in 'UdrSelectInto.pas';
|
11 |
|
12 |
procedure ReportResult(aValue: IResults);
|
13 |
var i: integer;
|
14 |
begin
|
15 |
for i := 0 to aValue.getCount - 1 do
|
16 |
writeln(aValue[i].Name,' = ',aValue[i].AsString);
|
17 |
end;
|
18 |
|
19 |
procedure ReportResults(cursor: IResultset);
|
20 |
begin
|
21 |
while not cursor.IsEof do
|
22 |
begin
|
23 |
ReportResult(cursor);
|
24 |
cursor.FetchNext;
|
25 |
end;
|
26 |
end;
|
27 |
|
28 |
procedure RunTest(UDRPlugin: TFBUdrPluginEmulator);
|
29 |
var SelectInto: TExternalProcedureWrapper;
|
30 |
Transaction: ITransaction;
|
31 |
Results: IProcedureResults;
|
32 |
begin
|
33 |
{Get the emulator wrapper for the row_count function, declared as MyRowCount}
|
34 |
SelectInto := UDRPlugin.makeProcedure('SELECT_INTO', {Name of procedure in database - case sensitive}
|
35 |
'', {package name is empty}
|
36 |
'selectinto!select_into' {entry point}
|
37 |
);
|
38 |
try
|
39 |
SelectInto.InputParams.ByName('select_statement').AsString := 'Select * From EMPLOYEE Where Salary < 50000';
|
40 |
SelectInto.InputParams.ByName('table_name').AsString := 'LOWER_PAID';
|
41 |
SelectInto.InputParams.ByName('table_type').AsString := '';
|
42 |
Transaction := UDRPlugin.Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_read_committed],taCommit);
|
43 |
Results := SelectInto.Execute(Transaction);
|
44 |
if Results.FetchNext then
|
45 |
writeln('Procedure Returns ',Results.ByName('Status').AsString)
|
46 |
else
|
47 |
writeln('No results');
|
48 |
|
49 |
writeln('Show Table');
|
50 |
ReportResults(UDRPlugin.Attachment.OpenCursorAtStart(Transaction,'Select * From LOWER_PAID'));
|
51 |
finally
|
52 |
SelectInto.Free;
|
53 |
end;
|
54 |
end;
|
55 |
|
56 |
const
|
57 |
DDL: array [0..0] of Ansistring = ('create or alter procedure select_into (' +
|
58 |
'select_statement blob sub_type 1 not null,'+
|
59 |
'table_name varchar(63) not null,'+
|
60 |
'table_type varchar(25) not null' +
|
61 |
') returns ('+
|
62 |
'status varchar(100)) as begin end'
|
63 |
);
|
64 |
|
65 |
CleanUpDDL: array [0..0] of Ansistring = ('Drop procedure select_into'
|
66 |
);
|
67 |
|
68 |
|
69 |
procedure DoRunTest;
|
70 |
var Attachment: IAttachment;
|
71 |
DPB: IDPB;
|
72 |
UDRPlugin: TFBUdrPluginEmulator;
|
73 |
i: integer;
|
74 |
begin
|
75 |
{Open a connection with the example employee database. Amend database parameters
|
76 |
as needed.}
|
77 |
DPB := FirebirdAPI.AllocateDPB;
|
78 |
DPB.Add(isc_dpb_user_name).setAsString('SYSDBA');
|
79 |
DPB.Add(isc_dpb_password).setAsString('masterkey');
|
80 |
DPB.Add(isc_dpb_lc_ctype).setAsString('UTF8');
|
81 |
DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(3);
|
82 |
Attachment := FirebirdAPI.OpenDatabase('localhost:employee',DPB);
|
83 |
for i := 0 to Length(DDL) -1 do
|
84 |
Attachment.ExecImmediate([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],DDL[i]);
|
85 |
try
|
86 |
UDRPlugin := TFBUdrPluginEmulator.Create(FBUDRControllerOptions.ModuleName);
|
87 |
try
|
88 |
{initialize the emulator with the database connection}
|
89 |
UDRPlugin.Attachment := Attachment;
|
90 |
RunTest(UDRPlugin);
|
91 |
finally
|
92 |
UDRPlugin.Free;
|
93 |
end;
|
94 |
finally
|
95 |
for i := 0 to Length(CleanUpDDL) -1 do
|
96 |
Attachment.ExecImmediate([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],CleanUpDDL[i]);
|
97 |
Attachment.Disconnect(true);
|
98 |
end;
|
99 |
end;
|
100 |
|
101 |
begin
|
102 |
with FBUDRControllerOptions do
|
103 |
begin
|
104 |
ModuleName := 'selectinto';
|
105 |
AllowConfigFileOverrides := true;
|
106 |
LogFileNameTemplate := 'SelectInto.log';
|
107 |
LogOptions := [loLogFunctions, loLogProcedures, loLogTriggers, loDetails];
|
108 |
end;
|
109 |
DoRunTest;
|
110 |
readln; {force console window to stay open}
|
111 |
end.
|
112 |
|