GET_FIELD

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Description :

The GET_FIELD is an oracle sql function very efficent, created under GNU General Public License v3.0 to
extract from a string with fields separated by a one or more characters a specific field by its position,
if is not present function return null.

Function have three input arguments :

1. Input String
2. Separator String (It is possible specify more than a single character)
3. Field Number

Function returns null if it's impossible determinate field at position specified in Field Number

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Compatibility :

ORACLE 8 or upper

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Samples :

       GET_FIELD( '1|2|3|4','|',2 )

       result:
       ----------
       2  


       GET_FIELD( 'ARA;BAR;COO;SAA',';',5 )

       result:
       -----------
       null  

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License :

This project is licensed under the GNU GENERAL PUBLIC LICENSE 3.0 License - see the LICENSE file for details