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<h1 class="topictitle1">Example: SQL statements in ILE RPG programs</h1>
<div><p>This sample program is written in the ILE RPG programming language.</p>
<div class="section"> <div class="note"><span class="notetitle">Note:</span> By using the code examples, you agree to the terms of the <a href="codedisclaimer.htm">Code license and disclaimer information</a>.</div>
</div>
<div class="example"> <div class="fignone" id="rzajpssile__samprp2"><a name="rzajpssile__samprp2"><!-- --></a><span class="figcap">Figure 1. Sample ILE RPG program using
SQL statements</span><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 1
Source type...............RPG
Object name...............CORPDATA/RPGLEEX
Source file...............CORPDATA/SRC
Member....................*OBJ
To source file............QTEMP/QSQLTEMP1
Options...................*XREF
RPG preprocessor options..*NONE
Listing option............*PRINT
Target release............V5R4M0
INCLUDE file..............*SRCFILE
Commit....................*CHG
Allow copy of data........*YES
Close SQL cursor..........*ENDMOD
Allow blocking............*READ
Delay PREPARE.............*NO
Generation level..........10
Printer file..............*LIBL/QSYSPRT
Date format...............*JOB
Date separator............*JOB
Time format...............*HMS
Time separator ...........*JOB
Replace...................*YES
Relational database.......*LOCAL
User .....................*CURRENT
RDB connect method........*DUW
Default collection........*NONE
Dynamic default
collection..............*NO
Package name..............*OBJLIB/*OBJ
Path......................*NAMING
SQL rules.................*DB2
Created object type.......*PGM
Debugging view............*NONE
User profile..............*NAMING
Dynamic user profile......*USER
Sort sequence.............*JOB
Language ID...............*JOB
IBM SQL flagging..........*NOFLAG
ANS flagging..............*NONE
Text......................*SRCMBRTXT
Source file CCSID.........65535
Job CCSID.................65535
Decimal result options:
Maximum precision.......31
Maximum scale...........31
Minimum divide scale....0
Compiler options..........*NONE
Source member changed on 07/01/96 15:55:32
</pre><img src="./deltaend.gif" alt="End of change" />
</div>
</div>
<div class="example"><div class="fignone"><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 2
Record *...+... 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 ...+... 8 SEQNBR Last change Comments
1 H 100
2 F* File declaration for QPRINT 200
3 F* 300
4 FQPRINT O F 132 PRINTER 400
5 D* 500
6 D* Structure for report 1. 600
7 D* 700
8 <span><span>1</span></span> DRPT1 E DS EXTNAME(PROJECT) 800
9 D* 900
10 D DS 1000
11 D EMPNO 1 6 1100
12 D NAME 7 36 1200
13 D SALARY 37 41P 2 1300
14 D* 1400
15 D* Structure for report 2. 1500
16 D* 1600
17 DRPT2 DS 1700
18 D PRJNUM 1 6 1800
19 D PNAME 7 42 1900
20 D EMPCNT 43 44B 0 2000
21 D PRCOST 45 49P 2 2100
22 D* 2200
23 D DS 2300
24 D WRKDAY 1 2B 0 2400
25 D COMMI 3 6P 2 2500
26 D RDATE 7 16 2600
27 D PERCNT 17 20P 2 2700
28 * 2800
29 <span><span>2</span></span> C Z-ADD 253 WRKDAY 2900
30 C Z-ADD 2000.00 COMMI 3000
31 C Z-ADD 1.04 PERCNT 3100
32 C MOVEL '1982-06-' RDATE 3200
33 C MOVE '01' RDATE 3300
34 C SETON LR 3400
35 C* 3500
36 C* Update the selected projects by the new percentage. If an 3600
37 C* error occurs during the update, ROLLBACK the changes. 3700
38 C* 3800
39 <span><span>3</span></span> C/EXEC SQL WHENEVER SQLERROR GOTO UPDERR 3900
40 C/END-EXEC 4000
41 C* 4100
42 C/EXEC SQL 4200
43 <span><span>4</span></span> C+ UPDATE CORPDATA/EMPLOYEE 4300
44 C+ SET SALARY = SALARY * :PERCNT 4400
45 C+ WHERE COMM &gt;= :COMMI 4500
46 C/END-EXEC 4600
47 C* 4700
48 C* Commit changes. 4800
49 C* 4900
50 <span><span>5</span></span> C/EXEC SQL COMMIT 5000
51 C/END-EXEC 5100
52 C* 5200
53 C/EXEC SQL WHENEVER SQLERROR GO TO RPTERR 5300
54 C/END-EXEC 5400
55 C* 5500
56 C* Report the updated statistics for each employee assigned to 5600
57 C* selected projects. 5700
58 C* 5800
12000</pre><img src="./deltaend.gif" alt="End of change" />
</div>
</div>
<div class="example"><div class="fignone"><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 3
Record *...+... 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 ...+... 8 SEQNBR Last change Comments
59 C* Write out the header for report 1. 5900
60 C* 6000
61 C EXCEPT RECA 6100
62 <span><span>6</span></span> C/EXEC SQL DECLARE C1 CURSOR FOR 6200
63 C+ SELECT DISTINCT PROJNO, EMPPROJACT.EMPNO, 6300
64 C+ LASTNAME||', '||FIRSTNME, SALARY 6400
65 C+ FROM CORPDATA/EMPPROJACT, CORPDATA/EMPLOYEE 6500
66 C+ WHERE EMPPROJACT.EMPNO = EMPLOYEE.EMPNO AND 6600
67 C+ COMM &gt;= :COMMI 6700
68 C+ ORDER BY PROJNO, EMPNO 6800
69 C/END-EXEC 6900
70 C* 7000
71 <span><span>7</span></span> C/EXEC SQL 7100
72 C+ OPEN C1 7200
73 C/END-EXEC 7300
74 C* 7400
75 C* Fetch and write the rows to QPRINT. 7500
76 C* 7600
77 <span><span>8</span></span> C/EXEC SQL WHENEVER NOT FOUND GO TO DONE1 7700
78 C/END-EXEC 7800
79 C SQLCOD DOUNE 0 7900
80 C/EXEC SQL 8000
81 <span><span>9</span></span> C+ FETCH C1 INTO :PROJNO, :EMPNO, :NAME, :SALARY 8100
82 C/END-EXEC 8200
83 C EXCEPT RECB 8300
84 C END 8400
85 C DONE1 TAG 8500
86 C/EXEC SQL 8600
87 <span><span>10</span></span> C+ CLOSE C1 8700
88 C/END-EXEC 8800
89 C* 8900
90 C* For all project ending at a date later than the raise date 9000
91 C* (i.e. those projects potentially affected by the salary raises) 9100
92 C* generate a report containing the project number, project name, 9200
93 C* the count of employees participating in the project and the 9300
94 C* total salary cost of the project. 9400
95 C* 9500
96 C* Write out the header for report 2. 9600
97 C* 9700
98 C EXCEPT RECC 9800
99 C/EXEC SQL 9900
100 <span><span>11</span></span> C+ DECLARE C2 CURSOR FOR 10000
101 C+ SELECT EMPPROJACT.PROJNO, PROJNAME, COUNT(*), 10100
102 C+ SUM((DAYS(EMENDATE) - DAYS(EMSTDATE)) * EMPTIME * 10200
103 C+ DECIMAL((SALARY/:WRKDAY),8,2)) 10300
104 C+ FROM CORPDATA/EMPPROJACT, CORPDATA/PROJECT, CORPDATA/EMPLOYEE 10400
105 C+ WHERE EMPPROJACT.PROJNO = PROJECT.PROJNO AND 10500
106 C+ EMPPROJACT.EMPNO = EMPLOYEE.EMPNO AND 10600
107 C+ PRENDATE &gt; :RDATE 10700
108 C+ GROUP BY EMPPROJACT.PROJNO, PROJNAME 10800
109 C+ ORDER BY 1 10900
110 C/END-EXEC 11000
111 C* 11100
112 C/EXEC SQL OPEN C2 11200
113 C/END-EXEC 11300
114 C* 11400
115 C* Fetch and write the rows to QPRINT. 11500
116 C* 11600
117 C/EXEC SQL WHENEVER NOT FOUND GO TO DONE2 11700
118 C/END-EXEC 11800
119 C SQLCOD DOUNE 0 11900
120 C/EXEC SQL
121 <span><span>12</span></span> C+ FETCH C2 INTO :RPT2 12100
122 C/END-EXEC 12200
123 C EXCEPT RECD 12300</pre><img src="./deltaend.gif" alt="End of change" />
</div>
</div>
<div class="example"><div class="fignone"><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 4
124 C END 12400
125 C DONE2 TAG 12500
126 C/EXEC SQL CLOSE C2 12600
127 C/END-EXEC 12700
128 C RETURN 12800
129 C* 12900
130 C* Error occurred while updating table. Inform user and rollback 13000
131 C* changes. 13100
132 C* 13200
133 C UPDERR TAG 13300
134 C EXCEPT RECE 13400
135 <span><span>13</span></span> C/EXEC SQL WHENEVER SQLERROR CONTINUE 13500
136 C/END-EXEC 13600
137 C* 13700
138 <span><span>14</span></span> C/EXEC SQL 13800
139 C+ ROLLBACK 13900
140 C/END-EXEC 14000
141 C RETURN 14100
142 C* 14200
143 C* Error occurred while generating reports. Inform user and exit. 14300
144 C* 14400
145 C RPTERR TAG 14500
146 C EXCEPT RECF 14600
147 C* 14700
148 C* All done. 14800
149 C* 14900
150 C FINISH TAG 15000
151 OQPRINT E RECA 0 2 01 15100
152 O 42 'REPORT OF PROJECTS AFFEC' 15200
153 O 64 'TED BY EMPLOYEE RAISES' 15300
154 O E RECA 0 1 15400
155 O 7 'PROJECT' 15500
156 O 17 'EMPLOYEE' 15600
157 O 32 'EMPLOYEE NAME' 15700
158 O 60 'SALARY' 15800
159 O E RECB 0 1 15900
160 O PROJNO 6 16000
161 O EMPNO 15 16100
162 O NAME 50 16200
163 O SALARY L 61 16300
164 O E RECC 2 2 16400
165 O 42 'ACCUMULATED STATISTIC' 16500
166 O 54 'S BY PROJECT' 16600
167 O E RECC 0 1 16700
168 O 7 'PROJECT' 16800
169 O 56 'NUMBER OF' 16900
170 O 67 'TOTAL' 17000
171 O E RECC 0 2 17100
172 O 6 'NUMBER' 17200
173 O 21 'PROJECT NAME' 17300
174 O 56 'EMPLOYEES' 17400
175 O 66 'COST' 17500
176 O E RECD 0 1 17600
177 O PRJNUM 6 17700
178 O PNAME 45 17800
179 O EMPCNT L 54 17900
180 O PRCOST L 70 18000
181 O E RECE 0 1 18100
182 O 28 '*** ERROR Occurred while' 18200
183 O 52 ' updating table. SQLCODE' 18300
184 O 53 '=' 18400
185 O SQLCOD L 62 18500
186 O E RECF 0 1 18600
187 O 28 '*** ERROR Occurred while' 18700
188 O 52 ' generating reports. SQL' 18800
189 O 57 'CODE=' 18900
190 O SQLCOD L 67 19000
* * * * * E N D O F S O U R C E * * * * *</pre><img src="./deltaend.gif" alt="End of change" />
</div>
</div>
<div class="example"><div class="fignone"><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 5
CROSS REFERENCE
Data Names Define Reference
ACTNO 62 SMALL INTEGER PRECISION(4,0) COLUMN (NOT NULL) IN CORPDATA.EMPPROJACT
BIRTHDATE 42 DATE(10) COLUMN IN CORPDATA.EMPLOYEE
BONUS 42 DECIMAL(9,2) COLUMN IN CORPDATA.EMPLOYEE
COMM **** COLUMN
42 62
COMM 42 DECIMAL(9,2) COLUMN IN CORPDATA.EMPLOYEE
COMMI 25 DECIMAL(7,2)
42 62
CORPDATA **** COLLECTION
42 62 62 99 99 99
C1 62 CURSOR
71 80 86
C2 99 CURSOR
112 120 126
DEPTNO 8 CHARACTER(3) IN RPT1
DEPTNO 99 CHARACTER(3) COLUMN (NOT NULL) IN CORPDATA.PROJECT
DONE1 85
DONE1 **** LABEL
77
DONE2 125
DONE2 **** LABEL
117
EDLEVEL 42 SMALL INTEGER PRECISION(4,0) COLUMN (NOT NULL) IN CORPDATA.EMPLOYEE
EMENDATE 62 DATE(10) COLUMN IN CORPDATA.EMPPROJACT
EMENDATE **** COLUMN
99
EMPCNT 20 SMALL INTEGER PRECISION(4,0) IN RPT2
EMPLOYEE **** TABLE IN CORPDATA
42 62 99
EMPLOYEE **** TABLE
62 99
EMPNO 11 CHARACTER(6) DBCS-open
80
EMPNO 42 CHARACTER(6) COLUMN (NOT NULL) IN CORPDATA.EMPLOYEE
EMPNO **** COLUMN IN EMPPROJACT
62 62 62 99
EMPNO **** COLUMN IN EMPLOYEE
62 99
EMPNO 62 CHARACTER(6) COLUMN (NOT NULL) IN CORPDATA.EMPPROJACT
EMPPROJACT **** TABLE
62 62 99 99 99 99
EMPPROJACT **** TABLE IN CORPDATA
62 99
EMPTIME 62 DECIMAL(5,2) COLUMN IN CORPDATA.EMPPROJACT
EMPTIME **** COLUMN
99
EMSTDATE 62 DATE(10) COLUMN IN CORPDATA.EMPPROJACT
EMSTDATE **** COLUMN
99
FINISH 150
FIRSTNME 42 VARCHAR(12) COLUMN (NOT NULL) IN CORPDATA.EMPLOYEE
FIRSTNME **** COLUMN
62
HIREDATE 42 DATE(10) COLUMN IN CORPDATA.EMPLOYEE
JOB 42 CHARACTER(8) COLUMN IN CORPDATA.EMPLOYEE
LASTNAME 42 VARCHAR(15) COLUMN (NOT NULL) IN CORPDATA.EMPLOYEE
LASTNAME **** COLUMN
62
MAJPROJ 8 CHARACTER(6) IN RPT1
MAJPROJ 99 CHARACTER(6) COLUMN IN CORPDATA.PROJECT
MIDINIT 42 CHARACTER(1) COLUMN (NOT NULL) IN CORPDATA.EMPLOYEE
NAME 12 CHARACTER(30) DBCS-open
80
PERCNT 27 DECIMAL(7,2)
42
PHONENO 42 CHARACTER(4) COLUMN IN CORPDATA.EMPLOYEE
PNAME 19 CHARACTER(36) DBCS-open IN RPT2
PRCOST 21 DECIMAL(9,2) IN RPT2
PRENDATE 8 DATE(8) IN RPT1</pre><img src="./deltaend.gif" alt="End of change" />
</div>
</div>
<div class="example"><div class="fignone"><img src="./delta.gif" alt="Start of change" /><pre>5722ST1 V5R4M0 060210 Create SQL ILE RPG Object RPGLEEX 08/06/02 16:03:02 Page 6
PRENDATE **** COLUMN
99
PRENDATE 99 DATE(10) COLUMN IN CORPDATA.PROJECT
PRJNUM 18 CHARACTER(6) DBCS-open IN RPT2
CROSS REFERENCE
PROJECT **** TABLE IN CORPDATA
99
PROJECT **** TABLE
99
PROJNAME 8 VARCHAR(24) IN RPT1
PROJNAME **** COLUMN
99 99
PROJNAME 99 VARCHAR(24) COLUMN (NOT NULL) IN CORPDATA.PROJECT
PROJNO 8 CHARACTER(6) IN RPT1
80
PROJNO **** COLUMN
62 62
PROJNO 62 CHARACTER(6) COLUMN (NOT NULL) IN CORPDATA.EMPPROJACT
PROJNO **** COLUMN IN EMPPROJACT
99 99 99
PROJNO **** COLUMN IN PROJECT
99
PROJNO 99 CHARACTER(6) COLUMN (NOT NULL) IN CORPDATA.PROJECT
PRSTAFF 8 DECIMAL(5,2) IN RPT1
PRSTAFF 99 DECIMAL(5,2) COLUMN IN CORPDATA.PROJECT
PRSTDATE 8 DATE(8) IN RPT1
PRSTDATE 99 DATE(10) COLUMN IN CORPDATA.PROJECT
RDATE 26 CHARACTER(10) DBCS-open
99
RESPEMP 8 CHARACTER(6) IN RPT1
RESPEMP 99 CHARACTER(6) COLUMN (NOT NULL) IN CORPDATA.PROJECT
RPTERR 145
RPTERR **** LABEL
53
RPT1 8 STRUCTURE
RPT2 17 STRUCTURE
120
SALARY 13 DECIMAL(9,2)
80
SALARY **** COLUMN
42 42 62 99
SALARY 42 DECIMAL(9,2) COLUMN IN CORPDATA.EMPLOYEE
SEX 42 CHARACTER(1) COLUMN IN CORPDATA.EMPLOYEE
UPDERR 133
UPDERR **** LABEL
39
WORKDEPT 42 CHARACTER(3) COLUMN IN CORPDATA.EMPLOYEE
WRKDAY 24 SMALL INTEGER PRECISION(4,0)
99
No errors found in source
190 Source records processed
* * * * * E N D O F L I S T I N G * * * * *</pre><img src="./deltaend.gif" alt="End of change" />
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpsamprog.htm" title="This topic contains a sample application showing how to code SQL statements in each of the languages supported by the DB2 UDB for iSeries system.">Sample programs using DB2 UDB for iSeries statements</a></div>
</div>
<div class="relconcepts"><strong>Related concepts</strong><br />
<div><a href="rzajprpgi.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in an ILE RPG program. The coding requirements for host variables are defined.">Code SQL statements in ILE RPG applications</a></div>
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