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mysql

A KhanFeb 10 2016 — edited Feb 10 2016

need to convert oracle instr() function in mysql

This post has been answered by Dave Stokes-MySQL Community Team-Oracle on Feb 10 2016
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Answer

rqEval can accept non-numeric types as input.

In your example, 'select 1 "Industry" forces a returned numeric value.  It fails because the data returned contains 1 non-numeric column. The output doesn't match the specification in the SQL provided, and an error is returned.

Instead, use cast to return as varchar as follows:

SQL> select * from table(rqEval(

        NULL,

        'select cast(''Industry'' as varchar2(8)) "Industry" from dual',

       'Test'));

Returns:

1 Text

Marked as Answer by 3631507 · Sep 27 2020
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Added on Feb 10 2016
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