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[Function](exec) upport atan2 math function (#30672)

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Co-authored-by: Rohit Satardekar <rohitrs1983@gmail.com>
This commit is contained in:
Rohit Satardekar
2024-02-04 08:30:36 +05:30
committed by yiguolei
parent 36b2712709
commit 6442663735
10 changed files with 229 additions and 1 deletions
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2
fe/fe-core/src/main/java/org/apache/doris/catalog/BuiltinScalarFunctions.java
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@ -72,6 +72,7 @@ import org.apache.doris.nereids.trees.expressions.functions.scalar.ArraysOverlap
import org.apache.doris.nereids.trees.expressions.functions.scalar.Ascii;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Asin;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Atan;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Atan2;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Bin;
import org.apache.doris.nereids.trees.expressions.functions.scalar.BitCount;
import org.apache.doris.nereids.trees.expressions.functions.scalar.BitLength;
@ -497,6 +498,7 @@ public class BuiltinScalarFunctions implements FunctionHelper {
scalar(Ascii.class, "ascii"),
scalar(Asin.class, "asin"),
scalar(Atan.class, "atan"),
scalar(Atan2.class, "atan2"),
scalar(Bin.class, "bin"),
scalar(BitCount.class, "bit_count"),
scalar(BitLength.class, "bit_length"),

68
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Atan2.java Normal file
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@ -0,0 +1,68 @@
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package org.apache.doris.nereids.trees.expressions.functions.scalar;
import org.apache.doris.catalog.FunctionSignature;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.functions.ExplicitlyCastableSignature;
import org.apache.doris.nereids.trees.expressions.functions.PropagateNullable;
import org.apache.doris.nereids.trees.expressions.shape.UnaryExpression;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.DoubleType;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import java.util.List;
/**
* ScalarFunction 'atan2'. This class is generated by GenerateFunction.
*/
public class Atan2 extends ScalarFunction
implements UnaryExpression, ExplicitlyCastableSignature, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
FunctionSignature.ret(DoubleType.INSTANCE).args(DoubleType.INSTANCE, DoubleType.INSTANCE)
);
/**
* constructor with 2 argument.
*/
public Atan2(Expression arg0, Expression arg1) {
super("atan2", arg0, arg1);
}
/**
* withChildren.
*/
@Override
public Atan2 withChildren(List<Expression> children) {
Preconditions.checkArgument(children.size() == 2);
return new Atan2(children.get(0), children.get(1));
}
@Override
public List<FunctionSignature> getSignatures() {
return SIGNATURES;
}
@Override
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitAtan2(this, context);
}
}

5
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/visitor/ScalarFunctionVisitor.java
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@ -72,6 +72,7 @@ import org.apache.doris.nereids.trees.expressions.functions.scalar.ArraysOverlap
import org.apache.doris.nereids.trees.expressions.functions.scalar.Ascii;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Asin;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Atan;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Atan2;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Bin;
import org.apache.doris.nereids.trees.expressions.functions.scalar.BitCount;
import org.apache.doris.nereids.trees.expressions.functions.scalar.BitLength;
@ -633,6 +634,10 @@ public interface ScalarFunctionVisitor<R, C> {
return visitScalarFunction(atan, context);
}
default R visitAtan2(Atan2 atan2, C context) {
return visitScalarFunction(atan2, context);
}
default R visitBin(Bin bin, C context) {
return visitScalarFunction(bin, context);
}