87 lines
4.5 KiB
HTML
87 lines
4.5 KiB
HTML
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<meta name="DC.Title" content="Example: Call CL command stored procedures" />
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<meta name="abstract" content="It is possible to run iSeries server commands by using stored procedures. The two examples that are provided here apply to ODBC programs." />
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<title>Example: Call CL command stored procedures</title>
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</head>
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<body id="clcmd"><a name="clcmd"><!-- --></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">Example: Call CL command stored procedures</h1>
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<div><p>It is possible to run iSeries™ server commands by using stored
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procedures. The two examples that are provided here apply to ODBC programs.</p>
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<div class="section"><p>Simply call <span class="cmdname">Execute Command (QCMDEXC)</span> to run
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the command. The process is relatively simple, but ensure that you include
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all of the zeros in the length parameter. Use the <span class="apiname">Remote Command</span> API
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as an alternative.</p>
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</div>
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<div class="section"><p>The first example enables the powerful SQL tracing facility that
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writes data into the joblog for the job running the SQL (in this case, the
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server job). </p>
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</div>
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<div class="section"><p>The second example overcomes a restriction in SQL: its limited
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ability to work with multi-member files. You cannot create a multi-member
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file through CREATE TABLE. However, the following example shows you how to
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access with ODBC anything but the first member of a file that is created through
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DDS:</p>
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</div>
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<div class="example"> <pre> Dim hStmt As Long
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rc = SQLAllocHandle(SQL_HANDLE_STMT, ghDbc, hStmt)
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If rc <> SQL_SUCCESS Then
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Call DspSQLError(SQL_HANDLE_DBC, ghDbc, "Problem: Allocating Debug Statement Handle")
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End If
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' Note that the string within single quotes 'STRDBG UPDPROD(*YES)' is exactly 20 bytes
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cmd = "call qsys.qcmdexc('STRDBG UPDPROD(*YES)',0000000020.00000)"
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' Put the iSeries job in debug mode
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rc = SQLExecDirect(hStmt, cmd, SQL_NTS)
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If rc <> SQL_SUCCESS Then
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Call DspSQLError(SQL_HANDLE_STMT, hStmt, "Problem: Start Debug")
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End If
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rc = SQLAllocHandle(SQL_HANDLE_STMT, ghDbc, ovrhstmt)
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If rc <> SQL_SUCCESS Then
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Call DspSQLError(SQL_HANDLE_DBC, ghDbc, "Problem: Allocating Override Statement Handle")
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End If
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' Note that the string within single quotes 'OVRDBF FILE(BRANCH)... OVRSCOPE(*JOB)'
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is exactly 68 bytes
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cmd = "call qsys.qcmdexc('OVRDBF FILE(BRANCH) TOFILE(HOALIB/BRANCH) MBR(FRANCE)
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OVRSCOPE(*JOB)',0000000068.00000)"
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' Override the iSeries file to point to the 'france' member
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rc = SQLExecDirect(hStmt, cmd, SQL_NTS)
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If rc <> SQL_SUCCESS Then
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Call DspSQLError(SQL_HANDLE_STMT, hStmt, "File Override")
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End If</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaikspex.htm" title="View examples of stored procedures.">Examples: Stored procedures</a></div>
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</div>
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