[ https://issues.apache.org/jira/browse/CALCITE-4861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Hyde updated CALCITE-4861: --------------------------------- Summary: Optimization of chained CAST calls can lead to unexpected behavior (was: Optimisation of chained cast calls can lead to unexpected behaviour) > Optimization of chained CAST calls can lead to unexpected behavior > ------------------------------------------------------------------ > > Key: CALCITE-4861 > URL: https://issues.apache.org/jira/browse/CALCITE-4861 > Project: Calcite > Issue Type: Bug > Components: core > Reporter: Marios Trivyzas > Priority: Minor > Labels: pull-request-available > Time Spent: 2h 20m > Remaining Estimate: 0h > > Simplification of Cast chained calls can lead to unexpected behaviour: > {code}CAST(CAST(CAST(123456 AS TINYINT) AS INT) AS BIGINT){code} > is simplified to > {code} > CAST(123456 AS BIGINT){code} > and returns *123456* with *BIGINT* data type, where the first inner cast as > TINYINT should already fail because the value is out of range. > For example, for PostgreSQL: > {noformat} > postgres=# select 123456::smallint::int::bigint; > ERROR: smallint out of range{noformat} -- This message was sent by Atlassian Jira (v8.20.7#820007)