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Bug 151185 - User should be warned when upstream schema change might affect downstream operators
Summary: User should be warned when upstream schema change might affect downstream ope...
Status: NEW
Alias: None
Product: soa
Classification: Unclassified
Component: IEP editor (show other bugs)
Version: 6.x
Hardware: All All
: P3 blocker (vote)
Assignee: Ritesh Adval
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2008-10-23 17:31 UTC by jlautz
Modified: 2008-10-23 17:31 UTC (History)
0 users

See Also:
Issue Type: ENHANCEMENT
Exception Reporter:

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Description jlautz 2008-10-23 17:31:48 UTC 
Seen with Java CAPS 6 with NB 6.1 Patch 4 applied, and IEP *.jar and *.nbm artifacts installed from soarelease
builds 20081022_1.

See scenario described in issue 147112, which is verified fixed per the description.

However, the user should receive some design time feedback that a schema or naming change in an upstream operator
(StreamInput, etc) will affect SQL queries in downstream operators (ex. RelationMap, StreamProjectionAndFilter, etc.). 

Examples of changes to a schema or operator that can cause unexpected behavior or make the SQL query invalid (which
won't be detected until runtime): deleting attributes, renaming attributes, changing attribute data types, changing
operator names.