caicancai commented on code in PR #3648: URL: https://github.com/apache/calcite/pull/3648#discussion_r1468735191
########## testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java: ########## @@ -6188,6 +6188,29 @@ void checkRegexpExtract(SqlOperatorFixture f0, FunctionAlias functionAlias) { f.checkNull("log(10, cast(null as real))"); } + @Test void testLog2Func() { + final SqlOperatorFixture f0 = Fixtures.forOperators(true); + f0.setFor(SqlLibraryOperators.LOG2, VmName.EXPAND); + f0.checkFails("^log2(4)^", + "No match found for function signature LOG2\\(<NUMERIC>\\)", false); + final SqlOperatorFixture f = f0.withLibrary(SqlLibrary.MYSQL); + f.checkScalarApprox("log2(2)", "DOUBLE NOT NULL", + isWithin(1.0, 0.000001)); + f.checkScalarApprox("log2(4)", "DOUBLE NOT NULL", + isWithin(2.0, 0.000001)); + f.checkScalarApprox("log2(65536)", "DOUBLE NOT NULL", + isWithin(16.0, 0.000001)); + f.checkScalarApprox("log2(-2)", "DOUBLE NOT NULL", + "NaN"); + f.checkScalarApprox("log2(2/3)", "DOUBLE NOT NULL", Review Comment: https://issues.apache.org/jira/browse/CALCITE-6232, Julian seems to think this is not a bug -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@calcite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org