[jira] [Created] (CALCITE-4445) Create new conformance level for Postgresql

["Ondřej Štumpf (Jira)" <ji...@apache.org>]

Ondřej Štumpf created CALCITE-4445:
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             Summary: Create new conformance level for Postgresql
                 Key: CALCITE-4445
                 URL: https://issues.apache.org/jira/browse/CALCITE-4445
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Ondřej Štumpf
            Assignee: Ondřej Štumpf


In CALCITE-4443,  a new Postgresql-specific operator {{ILIKE}} was introduced. Currently that operator is only enabled in {{LENIENT}} and {{BABEL}} conformance levels. Let's:
* create a new conformance level {{POSTGRESQL}}
** make sure it supports {{ILIKE}}
* use this new conformance level in Postgresql and Vertica dialects
* update the tests for {{ILIKE}} to set {{POSTGRESQL}} conformance level instead of {{LENIENT}}



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