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[fix](Nereids) fix log and power #46077

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[fix](Nereids) fix log and power #46077

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7924bd7
fix log and power
LiBinfeng-01 Dec 26, 2024
34f33b1
fix compile
LiBinfeng-01 Dec 27, 2024
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6 changes: 6 additions & 0 deletions ...va/org/apache/doris/nereids/trees/expressions/functions/executable/NumericArithmetic.java
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Original file line number Diff line number Diff line change
Expand Up @@ -827,6 +827,9 @@ public static Expression ln(DoubleLiteral first) {
@ExecFunction(name = "log")
public static Expression log(DoubleLiteral first, DoubleLiteral second) {
checkInputBoundary(first, 0.0d, Double.MAX_VALUE, false, true);
if (first.getValue().equals(1.0d)) {
throw new NotSupportedException("the first input of function log can not be 1.0");
}
return checkOutputBoundary(new DoubleLiteral(Math.log(first.getValue()) / Math.log(second.getValue())));
}

Expand Down Expand Up @@ -863,6 +866,9 @@ public static Expression sqrt(DoubleLiteral first) {
@ExecFunction(name = "power")
public static Expression power(DoubleLiteral first, DoubleLiteral second) {
checkInputBoundary(second, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY, false, false);
if (first.getValue() < 0 && second.getValue() % 1 != 0) {
throw new NotSupportedException("input pair of function power can not be negative number and non-integer");
}
return checkOutputBoundary(new DoubleLiteral(Math.pow(first.getValue(), second.getValue())));
}

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10 changes: 10 additions & 0 deletions fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/FoldConstantTest.java
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Expand Up @@ -51,6 +51,7 @@
import org.apache.doris.nereids.trees.expressions.functions.scalar.FromUnixtime;
import org.apache.doris.nereids.trees.expressions.functions.scalar.HoursAdd;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Ln;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Log;
import org.apache.doris.nereids.trees.expressions.functions.scalar.MinutesAdd;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Power;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Round;
Expand Down Expand Up @@ -395,6 +396,11 @@ void testleFoldNumeric() {
executor.rewrite(exExp, context);
}, "input -1 is out of boundary");

Assertions.assertThrows(NotSupportedException.class, () -> {
Log exExp = new Log(new DoubleLiteral(1.0d), new DoubleLiteral(1.0d));
executor.rewrite(exExp, context);
}, "the first input of function log can not be 1.0");

Sqrt sqrt = new Sqrt(new DoubleLiteral(16d));
rewritten = executor.rewrite(sqrt, context);
Assertions.assertEquals(new DoubleLiteral(4d), rewritten);
Expand All @@ -413,6 +419,10 @@ void testleFoldNumeric() {
Power exExp = new Power(new DoubleLiteral(2d), new DoubleLiteral(10000d));
executor.rewrite(exExp, context);
}, "infinite result is invalid");
Assertions.assertThrows(NotSupportedException.class, () -> {
Power exExp = new Power(new DoubleLiteral(-1d), new DoubleLiteral(1.1d));
executor.rewrite(exExp, context);
}, "input pair of function power can not be negative number and non-integer");

Sin sin = new Sin(new DoubleLiteral(Math.PI / 2));
rewritten = executor.rewrite(sin, context);
Expand Down
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