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Using DBA_SOURCE to query package source code

This article shows how we can use Oracle's DBA_SOURCE view to search through the source code of a package.

This page is filed under keyword(s): oracle.

Recently I had the need to find out exactly what existing PL/SQL logic was touching a certain field that seems to update by itself, wiping out important data. Below was the quick query I put together, using the DBA_SOURCE view, to hunt down the culprit.

select name as package_name, line, text
from dba_source
where owner='MY_SCHEMA'
and type='PACKAGE BODY'
and (
  upper(text) like '%MY_TABLE_NAME%FIELD_NAME%'
  upper(text) like '%FIELD_NAME%MY_TABLE_NAME%'
order by name, line;

Note that I could have searched for "and upper(text) like '%UPDATE%MY_TABLE_NAME%FIELD_NAME%'" rather than having two conditions, but I wanted to err on the side of caution, thus my wish to pull more data out to be safe.

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This page is filed under keyword(s): oracle.
Author: C. Peter Chen
Last updated: 4 Dec 2014

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