forked from laiweijian4/doc-exports
Lu, Huayi
346ac31da9
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Jiang, Beibei <beibei.jiang@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
63 lines
2.9 KiB
HTML
63 lines
2.9 KiB
HTML
<a name="EN-US_TOPIC_0000001234042175"></a><a name="EN-US_TOPIC_0000001234042175"></a>
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<h1 class="topictitle1">REF CURSOR</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001234042175__en-us_topic_0238518408_en-us_topic_0237362354_en-us_topic_0202727407_p8611163594313">REF Cursor is a data type that can store the database cursor values and is used to return query results. DSC supports migration of REF CURSOR. The example below shows how the DSC migrates <strong id="EN-US_TOPIC_0000001234042175__en-us_topic_0237712617_b4198172017473">lref_strong_emptyp</strong> (local REF CURSOR) and ref_strong_emptyp (package-level REF CURSOR).</p>
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<p id="EN-US_TOPIC_0000001234042175__en-us_topic_0238518408_en-us_topic_0237362354_en-us_topic_0202727407_p1050535822219"><strong id="EN-US_TOPIC_0000001234042175__en-us_topic_0237712617_b543818813814">Input - REF CURSOR in PL/SQL Package </strong>(Package Specification and Body)</p>
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<pre class="screen" id="EN-US_TOPIC_0000001234042175__en-us_topic_0238518408_en-us_topic_0237362354_en-us_topic_0202727407_screen765225513104"># Package specification
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CREATE OR REPLACE PACKAGE pkg_refcur
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IS
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TYPE ref_variable IS REF CURSOR;
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TYPE ref_strong_emptyp IS REF CURSOR RETURN emp_o%ROWTYPE;
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PROCEDURE p_get_employees ( v_id in INTEGER ,po_results OUT ref_strong_emptyp );
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END pkg_refcur ;
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/
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# Package body
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CREATE OR REPLACE PACKAGE BODY pkg_refcur
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IS
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TYPE lref_strong_emptyp IS REF CURSOR RETURN emp_o%ROWTYPE ;
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var_num NUMBER ;
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PROCEDURE p_get_employees ( v_id IN INTEGER, po_results OUT ref_strong_emptyp )
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is
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vemp_rc lref_strong_emptyp ;
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Begin
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OPEN po_results for
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SELECT * FROM emp_o e
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WHERE e.id = v_id;
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EXCEPTION
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WHEN OTHERS THEN
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RAISE;
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END p_get_employees;
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END pkg_refcur;
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/</pre>
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<p id="EN-US_TOPIC_0000001234042175__en-us_topic_0238518408_en-us_topic_0237362354_en-us_topic_0202727407_p950855813225"><strong id="EN-US_TOPIC_0000001234042175__en-us_topic_0237712617_b14895441185412">Output</strong></p>
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<pre class="screen" id="EN-US_TOPIC_0000001234042175__en-us_topic_0238518408_en-us_topic_0237362354_en-us_topic_0202727407_screen770818721120">BEGIN
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INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( SCHEMA_NAME ,PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,EXPRESSION_I )
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VALUES ( UPPER( current_schema ( ) ) ,UPPER( 'pkg_refcur' ) ,'B' ,UPPER( 'var_num' ) ,UPPER( 'NUMBER' ) ,false ,NULL ,false ) ;
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END ;
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/
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CREATE
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OR REPLACE PROCEDURE pkg_refcur#p_get_employees ( v_id IN INTEGER ,po_results OUT SYS_REFCURSOR ) is vemp_rc SYS_REFCURSOR ;
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Begin
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OPEN po_results for SELECT
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*
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FROM
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emp_o e
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WHERE
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e.id = v_id ;
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EXCEPTION WHEN OTHERS
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THEN RAISE ;
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END ;
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/</pre>
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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="dws_mt_0156.html">PL/SQL Packages</a></div>
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</div>
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</div>
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