[JBoss JIRA] Created: (TEIID-586) Like pushdown handling
by Steven Hawkins (JIRA)
Like pushdown handling
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Key: TEIID-586
URL: https://jira.jboss.org/jira/browse/TEIID-586
Project: Teiid
Issue Type: Bug
Components: LDAP Connector, Query Engine, Salesforce Connector
Affects Versions: 6.0.0
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Minor
Fix For: 6.2.0
Both salesforce and ldap like semantics are not the same as SQL. We could capture this with more capabilities supportsLikeCaseSensitive and supportsLikeWildcardSingleCharacter repectively, or another approach would be to allow the connector to generically indicate partial support and have the query engine both push down the conjunct and leave a copy to be applied after the query. With either explicit supports or generic partial support it would only applicable to top level where clause conjuncts.
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13 years, 10 months
[JBoss JIRA] Created: (TEIID-784) Enhance distinct set op processing
by Steven Hawkins (JIRA)
Enhance distinct set op processing
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Key: TEIID-784
URL: https://jira.jboss.org/jira/browse/TEIID-784
Project: Teiid
Issue Type: Feature Request
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Minor
Fix For: 6.3.0
The sort operation should be able to pushed for each set op child (distinct is already eligible for pushing, but typically won't be because there's no order by). Also for union the sorted children should be fed directly into the second phase of sorting.
All of this relies on the connector guaranteeing null ordering (TEIID-715 should be repurposed to cover the language enhancement of nulls first|last)
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13 years, 10 months