pnowojski commented on a change in pull request #6614: [FLINK-9432] [table]
Support extract timeunit: DECADE, EPOCH, ISODOW, ISOYEAR…
URL: https://github.com/apache/flink/pull/6614#discussion_r220168491
##########
File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/expressions/ScalarFunctionsTest.scala
##########
@@ -1852,6 +1852,42 @@ class ScalarFunctionsTest extends ScalarTypesTestBase {
"EXTRACT(DOY FROM f16)",
"315")
+ testSqlApi(
+ "EXTRACT(EPOCH FROM f18)",
+ "847608883")
Review comment:
Why does the PostgreSQL (which seems to be the only major DB that supports
EPOCHs?) returns different results here? The results are 10 seconds of, which
seems disturbing.
http://sqlfiddle.com/#!17/9eecb/21451
It might have something to do with leap seconds...
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