morrySnow commented on code in PR #49074:
URL: https://github.com/apache/doris/pull/49074#discussion_r1995114896
##########
regression-test/suites/nereids_p0/expression/fold_constant/fold_constant_string_arithmatic.groovy:
##########
@@ -448,7 +564,65 @@ suite("fold_constant_string_arithmatic") {
testFoldConst("select rtrim(cast(' Hello World ' as string))")
testFoldConst("select rtrim('Hello')")
testFoldConst("select rtrim(' Hello World ')")
-
+ testFoldConst("select rtrim('abc ')")
+ testFoldConst("select rtrim('abc,,,', ',')")
+ testFoldConst("select rtrim('Aaabc', 'A')")
+ testFoldConst("select rtrim('Aaabc', 'c')")
+ testFoldConst("select rtrim('abc;;;', ';')")
+ testFoldConst("select rtrim('abc, ', ' ,')")
+ testFoldConst("select rtrim(null)")
+ testFoldConst("select rtrim('abc', null)")
+ testFoldConst("select rtrim(null, null)")
+ testFoldConst("select rtrim('abcxyz', 'xyz')")
+ testFoldConst("select rtrim('abcxyxzy', 'xyz')")
+ testFoldConst("select rtrim('')")
+ testFoldConst("select rtrim('', 'a')")
+ testFoldConst("select rtrim(123)")
+ testFoldConst("select rtrim(0)")
+ testFoldConst("select rtrim(true)")
Review Comment:
add some emoji and minority language cases
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/executable/NumericArithmetic.java:
##########
@@ -1072,7 +1072,7 @@ public static Expression dlog1(DoubleLiteral first) {
if (inputOutOfBound(first, 0.0d, Double.MAX_VALUE, false, true)) {
return new NullLiteral(DoubleType.INSTANCE);
}
- return checkOutputBoundary(new
DoubleLiteral(Math.log1p(first.getValue())));
+ return checkOutputBoundary(new
DoubleLiteral(Math.log(first.getValue())));
Review Comment:
reuse `ln` and remove dlog1 function in FE
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