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root/public/ibx/trunk/fbintf/testsuite/Test7.pas
Revision: 380
Committed: Mon Jan 10 10:13:17 2022 UTC (2 years, 11 months ago) by tony
Content type: text/x-pascal
File size: 6464 byte(s)
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# User Rev Content
1 tony 315 (*
2     * Firebird Interface (fbintf) Test suite. This program is used to
3     * test the Firebird Pascal Interface and provide a semi-automated
4     * pass/fail check for each test.
5     *
6     * The contents of this file are subject to the Initial Developer's
7     * Public License Version 1.0 (the "License"); you may not use this
8     * file except in compliance with the License. You may obtain a copy
9     * of the License here:
10     *
11     * http://www.firebirdsql.org/index.php?op=doc&id=idpl
12     *
13     * Software distributed under the License is distributed on an "AS
14     * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
15     * implied. See the License for the specific language governing rights
16     * and limitations under the License.
17     *
18     * The Initial Developer of the Original Code is Tony Whyman.
19     *
20     * The Original Code is (C) 2016 Tony Whyman, MWA Software
21     * (http://www.mwasoftware.co.uk).
22     *
23     * All Rights Reserved.
24     *
25     * Contributor(s): ______________________________________.
26     *
27     *)
28    
29     unit Test7;
30 tony 56 {$IFDEF MSWINDOWS}
31     {$DEFINE WINDOWS}
32     {$ENDIF}
33 tony 45
34 tony 56 {$IFDEF FPC}
35     {$mode delphi}
36 tony 45 {$codepage utf8}
37 tony 56 {$ENDIF}
38 tony 45
39     {Test 7: Create and read back an Array}
40    
41     {
42     1. Create an empty database and populate with a single table including an array of integer column.
43    
44     2. Select all and show metadata including array metadata.
45    
46     3. Insert a row but leave array null
47    
48     4. Show result.
49    
50     5. Update row with a populated array and show results.
51    
52     7. Reopen cursor but before fetching array, shrink bounds
53    
54     8. Fetch and print array with reduced bounds.
55    
56     }
57    
58     interface
59    
60     uses
61 tony 315 Classes, SysUtils, TestApplication, FBTestApp, IB;
62 tony 45
63     type
64    
65     { TTest7 }
66    
67 tony 315 TTest7 = class(TFBTestBase)
68 tony 45 private
69     procedure UpdateDatabase(Attachment: IAttachment);
70     public
71 tony 56 function TestTitle: AnsiString; override;
72     procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
73 tony 45 end;
74    
75     implementation
76    
77     const
78     sqlCreateTable =
79     'Create Table TestData ('+
80     'RowID Integer not null,'+
81     'Title VarChar(32) Character Set UTF8,'+
82     'Dated TIMESTAMP, '+
83     'Notes VarChar(64) Character Set ISO8859_1,'+
84     'MyArray Integer [0:16],'+
85 tony 315 'MyArray2 Timestamp [0:16],'+
86     'MyArray3 Numeric(10,2) [0:16],'+
87 tony 45 'Primary Key(RowID)'+
88     ')';
89    
90     sqlInsert = 'Insert into TestData(RowID,Title,Dated,Notes) Values(:RowID,:Title,:Dated,:Notes)';
91    
92     sqlUpdate = 'Update TestData Set MyArray = :MyArray Where RowID = 1';
93 tony 315 sqlUpdate2 = 'Update TestData Set MyArray2 = :MyArray2 Where RowID = 1';
94     sqlUpdate3 = 'Update TestData Set MyArray3 = :MyArray3 Where RowID = 1';
95 tony 45
96     { TTest7 }
97    
98     procedure TTest7.UpdateDatabase(Attachment: IAttachment);
99     var Transaction: ITransaction;
100     Statement: IStatement;
101     ResultSet: IResultSet;
102     i,j: integer;
103     ar: IArray;
104 tony 315 aDateTime: TDateTime;
105     f: double;
106 tony 45 begin
107     Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taCommit);
108     Statement := Attachment.Prepare(Transaction,'Select * from TestData');
109     PrintMetaData(Statement.GetMetaData);
110     Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlInsert);
111     ParamInfo(Statement.GetSQLParams);
112     with Statement.GetSQLParams do
113     begin
114     for i := 0 to GetCount - 1 do
115     writeln(OutFile,'Param Name = ',Params[i].getName);
116     ByName('rowid').AsInteger := 1;
117 tony 56 {$IFDEF DCC}
118     ByName('title').AsString := UTF8Encode('Blob Test ©€');
119     {$ELSE}
120 tony 45 ByName('title').AsString := 'Blob Test ©€';
121 tony 315 {$ENDIF}
122 tony 45 ByName('Notes').AsString := 'Écoute moi';
123     ByName('Dated').AsDateTime := EncodeDate(2016,4,1) + EncodeTime(9,30,0,100);
124     end;
125     Statement.Execute;
126     Statement := Attachment.Prepare(Transaction,'Select * from TestData');
127     ReportResults(Statement);
128    
129     Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate);
130     ParamInfo(Statement.GetSQLParams);
131     Transaction.CommitRetaining;
132     ar := Attachment.CreateArray(Transaction,'TestData','MyArray');
133     j := 100;
134     for i := 0 to 16 do
135     begin
136     ar.SetAsInteger([i],j);
137     dec(j);
138     end;
139     Statement.SQLParams[0].AsArray := ar;
140     Statement.Execute;
141 tony 315
142     Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate2);
143     ParamInfo(Statement.GetSQLParams);
144     ar := Attachment.CreateArray(Transaction,'TestData','MyArray2');
145     for i := 0 to 16 do
146     begin
147     aDateTime := EncodeDate(2020,5,1) + EncodeTime(12,i,0,0);
148     ar.SetAsDateTime(i,aDateTime);
149     end;
150     Statement.SQLParams[0].AsArray := ar;
151     Statement.Execute;
152    
153     Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate3);
154     ParamInfo(Statement.GetSQLParams);
155     ar := Attachment.CreateArray(Transaction,'TestData','MyArray3');
156     f := 0;
157 tony 353 for i := 0 to 13 do
158 tony 315 begin
159     ar.SetAsFloat(i,f);
160     f := f + 1.05
161     end;
162 tony 353 ar.SetAsString([14],'0.424567');
163     ar.SetAsString([15],'42.4567');
164     ar.SetAsString([16],'4269');
165 tony 315 Statement.SQLParams[0].AsArray := ar;
166     Statement.Execute;
167    
168 tony 45 Statement := Attachment.Prepare(Transaction,'Select * from TestData');
169 tony 315 PrintMetaData(Statement.GetMetaData);
170 tony 45 ReportResults(Statement);
171    
172     ResultSet := Statement.OpenCursor;
173     if Resultset.FetchNext then
174     begin
175     ar := ResultSet.ByName('MyArray').AsArray;
176     ar.SetBounds(0,10,2);
177     writeln(OutFile,'Shrink to 2:10');
178     WriteArray(ar);
179     end
180     else
181     writeln(OutFile,'Unable to reopen cursor');
182    
183     {Now update the reduced slice}
184     writeln(OutFile,'Write updated reduced slice');
185     ar.SetAsInteger([2],1000);
186     Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlUpdate);
187     Statement.SQLParams[0].AsArray := ar;
188     Statement.Execute;
189     writeln(OutFile,'Show update array');
190     Statement := Attachment.Prepare(Transaction,'Select * from TestData');
191     ReportResults(Statement);
192    
193     Transaction.Commit;
194     end;
195    
196 tony 56 function TTest7.TestTitle: AnsiString;
197 tony 45 begin
198     Result := 'Test 7: Create and read back an Array';
199     end;
200    
201 tony 56 procedure TTest7.RunTest(CharSet: AnsiString; SQLDialect: integer);
202 tony 45 var DPB: IDPB;
203     Attachment: IAttachment;
204     begin
205     DPB := FirebirdAPI.AllocateDPB;
206     DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName);
207     DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword);
208     DPB.Add(isc_dpb_lc_ctype).setAsString(CharSet);
209     DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect);
210     Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB);
211     Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateTable);
212     UpdateDatabase(Attachment);
213    
214     Attachment.DropDatabase;
215     end;
216    
217     initialization
218     RegisterTest(TTest7);
219    
220     end.
221    

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