[teiid-issues] [JBoss JIRA] Commented: (TEIID-345) Consolidate ifnull, nvl, and coalesce support
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https://jira.jboss.org/jira/browse/TEIID-345?page=com.atlassian.jira.plug...
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Steven Hawkins commented on TEIID-345:
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ifnull is now the only push-down function. coalesce full support will be added when we
support var-args.
Consolidate ifnull, nvl, and coalesce support
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Key: TEIID-345
URL: https://jira.jboss.org/jira/browse/TEIID-345
Project: Teiid
Issue Type: Feature Request
Components: Connector API, Query Engine
Affects Versions: 6.0.0
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Minor
Fix For: 6.1.0
Original Estimate: 1 day
Remaining Estimate: 1 day
We should use ifnull to represent the 2 arg function form and coalesce to represent the n
arg (not available until var arg support). The rewriter should rewrite nvl as ifnull and
connectors should express support for ifnull and coalesce only.
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