79 lines
6.0 KiB
HTML
79 lines
6.0 KiB
HTML
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<meta name="DC.Title" content="Files shared in a job" />
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<meta name="abstract" content="In order for your application program to use the open data path built by the Open Query File (OPNQRYF) command, your program must share the query file. If your program does not open the query file as shared, then it actually does a full open of the file it was originally compiled to use (not the query open data path built by the OPNQRYF command)." />
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<meta name="DC.subject" content="sharing, file, OPNQRYF command, database file, sharing in a job, open data path considerations, in a job" />
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<title>Files shared in a job</title>
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<body id="rbafocosof"><a name="rbafocosof"><!-- --></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">Files shared in a job</h1>
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<div><p>In order for your application program to use the open data path
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built by the Open Query File (OPNQRYF) command, your program must share the
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query file. If your program does not open the query file as shared, then it
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actually does a full open of the file it was originally compiled to use (not
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the query open data path built by the OPNQRYF command). </p>
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<div class="p">Your program will share the query open data path, depending on the following
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conditions: <ul><li>Your application program must open the file as shared. Your program meets
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this condition when the first or only member queried (as specified on the
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FILE parameter) has an attribute of SHARE(*YES). If the first
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or only member has an attribute of SHARE(*NO), then you must specify SHARE(*YES)
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in an Override with Database File (OVRDBF) command before calling your program.</li>
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<li>The file opened by your application program must have the same name as
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the file opened by the OPNQRYF command. Your program meets this condition
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when the file specified in your program has the same file and member name
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as the first or only member queried (as specified on the FILE parameter).
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If the first or only member has a different name, then you must specify an
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Override with Database File (OVRDBF) command of the name of the file your
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program was compiled against to the name of the first or only member queried.</li>
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<li>Your program must be running in the same activation group to which the
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query open data path (ODP) is scoped. If the query ODP is scoped to the job,
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your program can run in any activation group within the job.</li>
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</ul>
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</div>
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<div class="p">The OPNQRYF command never shares an existing open data path in the job
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or activation group. A request to open a query file fails with an error message
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if the open data path has the same library, file, and member name that is
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in the open request, and if either of the following is true: <ul><li>OPNSCOPE(*ACTGRPDFN) or OPNSCOPE(*ACTGRP) is specified for the OPNQRYF
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command, and the open data path is scoped to the same activation group or
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job from which the OPNQRYF command is run.</li>
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<li>OPNSCOPE(*JOB) is specified for the OPNQRYF command, and the open data
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path is scoped to the same job from which the OPNQRYF command is run.</li>
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</ul>
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</div>
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<p>Subsequent shared opens adhere to the same open options (such as SEQONLY)
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that were in effect when the OPNQRYF command was run.</p>
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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="rbafoopnqf.htm" title="The Open Query File (OPNQRYF) command is a control language (CL) command that allows you to perform many data processing functions on database files. These topics discuss how to create a query using the OPNQRYF command, how to specify parameters for its major functions, and how to use it with your high-level language program.">Use Open Query File (OPNQRYF) command</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rbafosfile.htm" title="By default, the database management system lets one file be read and changed by many users at the same time. However, you can share the database files in the same job or activation group through the SHARE parameter.">Share database files in the same job or activation group</a></div>
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</div>
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</div>
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</body>
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