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https://issues.apache.org/jira/browse/CALCITE-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1351.
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Resolution: Duplicate
This is a duplicate of CALCITE-1095.
> "IS [NOT] NULL" operator should have higher precedence than "NOT" operator
> --------------------------------------------------------------------------
>
> Key: CALCITE-1351
> URL: https://issues.apache.org/jira/browse/CALCITE-1351
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.8.0
> Reporter: hongbin ma
> Assignee: Julian Hyde
>
> hi calcite experts
> when I run an auto-generated query(by BI tools):
> {code:sql}
> select "TEST_KYLIN_FACT"."LSTG_FORMAT_NAME", sum("TEST_KYLIN_FACT"."PRICE")
> from "DEFAULT"."TEST_KYLIN_FACT" "TEST_KYLIN_FACT" group by
> "TEST_KYLIN_FACT"."LSTG_FORMAT_NAME" having NOT
> sum("TEST_KYLIN_FACT"."PRICE") is null
> {code}
> the query failed due to : " Cannot apply 'NOT' to arguments of type
> 'NOT<DECIMAL(19, 4)>'. Supported form(s): 'NOT<BOOLEAN>'"
> however the same query would succeed in mysql. I guess calcite is giving
> "NOT" operation higher precedence than "IS NULL" operator.
> Then I googled and found this page:
> https://docs.oracle.com/cd/A57673_01/DOC/server/doc/SQL73/ch3a.htm, it's
> oracle's standard, I'm quoting for as a reference. In this page, it says "All
> comparison operators" has a higher precedence than "NOT","AND","OR", and "IS
> [NOT] NULL" is one of the comparison operators.
> With all the clues above I'm believing it's a calcite's bug. Please correct
> me if I'm wrong.
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