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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2019/10/08 10:08:00 UTC
[jira] [Created] (SPARK-29385) Make `INTERVAL` values comparable
Maxim Gekk created SPARK-29385:
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Summary: Make `INTERVAL` values comparable
Key: SPARK-29385
URL: https://issues.apache.org/jira/browse/SPARK-29385
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
PostgreSQL allows to compare interval by `=`, `<>`, `<`, `<=`, `>`, `>=`. For example:
{code}
maxim=# select interval '1 month' > interval '29 days';
?column?
----------
t
{code}
but the same fails in Spark:
{code}
spark-sql> select interval 1 month > interval 29 days;
Error in query: cannot resolve '(interval 1 months > interval 4 weeks 1 days)' due to data type mismatch: GreaterThan does not support ordering on type interval; line 1 pos 7;
'Project [unresolvedalias((interval 1 months > interval 4 weeks 1 days), None)]
+- OneRowRelation
{code}
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