Sean Hsuan-Yi Chu created CALCITE-928:
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Summary: Parsing Issue with Interval
Key: CALCITE-928
URL: https://issues.apache.org/jira/browse/CALCITE-928
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Sean Hsuan-Yi Chu
Assignee: Sean Hsuan-Yi Chu
There are two issues with Interval type
1. A case which should be blocked at parsing:
The negative sign is not supposed to be outside of quotes. For example,
{code}
INTERVAL -'1' hour
{code}
Calcite should have blocked it.
2. The sign is not set correctly in parsing if there is a negative sign in
quotes. For example,
{code}
INTERVAL -'1' hour
{code}
If you set a break point at the constructor of IntervalValue (, which will be
called during parsing), you can see that, in the case above, sign is set to be
+1.
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