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Caican Cai commented on CALCITE-6252: ------------------------------------- I seem to have encountered this bug before. You may have noticed that I once wrote a format_date test, but there are some format_date format tests that I did not add because my local machine passed the compilation, but the calcite cli did not pass. > BigQuery FORMAT_DATE seems to use the wrong calendar for Julian dates > --------------------------------------------------------------------- > > Key: CALCITE-6252 > URL: https://issues.apache.org/jira/browse/CALCITE-6252 > Project: Calcite > Issue Type: Bug > Components: core > Affects Versions: 1.36.0 > Reporter: Mihai Budiu > Priority: Minor > > For the following query: > {code:sql} > SELECT format_date('%A %d %B %Y', '0001-02-28') > {code} > the BigQuery playground returns the following result: > {code} > Monday 01 January 1 > {code} > However, Calcite returns the following result: > {code} > Saturday 01 Jan 1 > {code} > There are actually two bugs here: > - the day of the week is wrong > - the month name is displayed incorrectly. The latter is because of the > Locale.ROOT used in SimpleDateFormat. -- This message was sent by Atlassian Jira (v8.20.10#820010)