caicancai commented on code in PR #3648:
URL: https://github.com/apache/calcite/pull/3648#discussion_r1468440668
##########
testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
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@@ -6188,6 +6188,35 @@ void checkRegexpExtract(SqlOperatorFixture f0,
FunctionAlias functionAlias) {
f.checkNull("log(10, cast(null as real))");
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-6224";>[CALCITE-6224]
+ * Add LOG@ function (enabled in MYSQL, Spark library)</a>. */
+ @Test void testLog2Func() {
+ final SqlOperatorFixture f0 = fixture();
+ final Consumer<SqlOperatorFixture> consumer = f -> {
+ f.setFor(SqlLibraryOperators.LOG2);
+ 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",
+ "-Infinity");
+ f.checkScalarApprox("log2(2.2)", "DOUBLE NOT NULL",
+ "1.1375035237499351");
+ f.checkScalarApprox("log2(0.5)", "DOUBLE NOT NULL",
+ "-1.0");
+ f.checkScalarApprox("log2(3)", "DOUBLE NOT NULL",
+ isWithin(1.5849625007211563, 0.000001));
Review Comment:
I will fix it in next PR
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