wgtmac commented on code in PR #35139:
URL: https://github.com/apache/arrow/pull/35139#discussion_r1167359721
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java/flight/flight-sql-jdbc-core/src/test/java/org/apache/arrow/driver/jdbc/accessor/impl/text/ArrowFlightJdbcVarCharVectorAccessorTest.java:
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@@ -510,14 +510,23 @@ public void
testShouldGetDateReturnValidDateWithCalendar() throws Exception {
Text value = new Text("2021-07-02");
when(getter.get(0)).thenReturn(value.copyBytes());
- Calendar calendar =
Calendar.getInstance(TimeZone.getTimeZone("America/Sao_Paulo"));
- Date result = accessor.getDate(calendar);
+ {
+ Calendar calendar =
Calendar.getInstance(TimeZone.getTimeZone("America/Sao_Paulo"));
+ Date result = accessor.getDate(calendar);
+ calendar.setTime(result);
- calendar = Calendar.getInstance(TimeZone.getTimeZone("Etc/UTC"));
- calendar.setTime(result);
+ collector.checkThat(dateTimeFormat.format(calendar.getTime()),
+ equalTo("2021-07-01T21:00:00.000Z"));
Review Comment:
It depends on the whether the timezone field is set in the TimeStampVector.
- If timezone is not set, it assumes UTC and converts from that.
- If timezone is set, it converts from the provided timezone.
If user does not request a different timezone, then the result is good.
Otherwise the problem emerges.
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