83 lines
4.2 KiB
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83 lines
4.2 KiB
HTML
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<meta name="DC.Title" content="Use host structure arrays in PL/I applications that use SQL" />
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<meta name="abstract" content="In PL/I programs, you can define a host structure array." />
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<meta name="description" content="In PL/I programs, you can define a host structure array." />
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<title>Use host structure arrays in PL/I applications that use SQL</title>
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<body id="rzajphostarraypli"><a name="rzajphostarraypli"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Use host structure arrays in PL/I applications that use SQL</h1>
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<div><p>In PL/I programs, you can define a host structure array.</p>
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<div class="section"><p>In these examples, the following are true:</p>
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<ul><li>B_ARRAY is the name of a host structure array that contains the items
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C1_VAR and C2_VAR.</li>
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<li>B_ARRAY cannot be qualified.</li>
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<li>B_ARRAY can only be used with the blocked forms of the FETCH and INSERT
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statements.</li>
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<li>All items in B_ARRAY must be valid host variables.</li>
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<li>C1_VAR and C2_VAR are not valid host variables in any SQL statement. A
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structure cannot contain an intermediate level structure. A_STRUCT cannot
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contain the dimension attribute.</li>
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</ul>
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<pre>DCL 1 A_STRUCT,
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2 B_ARRAY(10),
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3 C1_VAR CHAR(20),
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3 C2_FIXED BIN(15) UNALIGNED;
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</pre>
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</div>
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<div class="section"><p>To retrieve 10 rows from the CORPDATA.DEPARTMENT table, do the
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following:</p>
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<pre>
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DCL 1 DEPT(10),
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5 DEPTPNO CHAR(3),
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5 DEPTNAME CHAR(29) VAR,
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5 MGRNO CHAR(6),
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5 ADMRDEPT CHAR (3);
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DCL 1 IND_ARRAY(10),
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5 INDS(4) FIXED BIN(15);
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EXEC SQL
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<strong>DECLARE</strong> C1 <strong>CURSOR FOR</strong>
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<strong>SELECT</strong> *
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<strong>FROM</strong> CORPDATA.DEPARTMENT;
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EXEC SQL
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<strong>FETCH</strong> C1 <strong>FOR</strong> 10 <strong>ROWS INTO</strong> :DEPT :IND_ARRAY;
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</pre>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzajpplihoststruc.htm">Host structure array in PL/I applications that use SQL</a></strong><br />
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The following syntax diagram shows the syntax for valid structure array declarations.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpplone.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in an iSeries PL/I program. Requirements for host structures and host variables are defined.">Code SQL statements in PL/I applications</a></div>
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