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[feature](Nereids) add scalar function width_bucket (#16106)

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morrySnow
2023-01-20 11:31:17 +08:00
committed by GitHub
parent 73621bdb18
commit 2ed4eac6f8
3 changed files with 103 additions and 0 deletions
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2
fe/fe-core/src/main/java/org/apache/doris/catalog/BuiltinScalarFunctions.java
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@ -319,6 +319,7 @@ import org.apache.doris.nereids.trees.expressions.functions.scalar.Weekday;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksAdd;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksDiff;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksSub;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WidthBucket;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Year;
import org.apache.doris.nereids.trees.expressions.functions.scalar.YearCeil;
import org.apache.doris.nereids.trees.expressions.functions.scalar.YearFloor;
@ -641,6 +642,7 @@ public class BuiltinScalarFunctions implements FunctionHelper {
scalar(WeeksAdd.class, "weeks_add"),
scalar(WeeksDiff.class, "weeks_diff"),
scalar(WeeksSub.class, "weeks_sub"),
scalar(WidthBucket.class, "width_bucket"),
scalar(Year.class, "year"),
scalar(YearCeil.class, "year_ceil"),
scalar(YearFloor.class, "year_floor"),

96
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/WidthBucket.java Normal file
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@ -0,0 +1,96 @@
// 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.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.BigIntType;
import org.apache.doris.nereids.types.DateTimeType;
import org.apache.doris.nereids.types.DateTimeV2Type;
import org.apache.doris.nereids.types.DateType;
import org.apache.doris.nereids.types.DateV2Type;
import org.apache.doris.nereids.types.DecimalV2Type;
import org.apache.doris.nereids.types.DoubleType;
import org.apache.doris.nereids.types.FloatType;
import org.apache.doris.nereids.types.IntegerType;
import org.apache.doris.nereids.types.SmallIntType;
import org.apache.doris.nereids.types.TinyIntType;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import java.util.List;
/**
* WidthBucket.
*/
public class WidthBucket extends ScalarFunction implements ExplicitlyCastableSignature, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
FunctionSignature.ret(BigIntType.INSTANCE).args(TinyIntType.INSTANCE,
TinyIntType.INSTANCE, TinyIntType.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(SmallIntType.INSTANCE,
SmallIntType.INSTANCE, SmallIntType.INSTANCE, SmallIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(IntegerType.INSTANCE,
IntegerType.INSTANCE, IntegerType.INSTANCE, IntegerType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(BigIntType.INSTANCE,
BigIntType.INSTANCE, BigIntType.INSTANCE, BigIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(FloatType.INSTANCE,
FloatType.INSTANCE, FloatType.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DoubleType.INSTANCE,
DoubleType.INSTANCE, DoubleType.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DecimalV2Type.SYSTEM_DEFAULT,
DecimalV2Type.SYSTEM_DEFAULT, DecimalV2Type.SYSTEM_DEFAULT, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DateType.INSTANCE,
DateType.INSTANCE, DateType.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DateV2Type.INSTANCE,
DateV2Type.INSTANCE, DateV2Type.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DateTimeType.INSTANCE,
DateTimeType.INSTANCE, DateTimeType.INSTANCE, TinyIntType.INSTANCE),
FunctionSignature.ret(BigIntType.INSTANCE).args(DateTimeV2Type.SYSTEM_DEFAULT,
DateTimeV2Type.SYSTEM_DEFAULT, DateTimeV2Type.SYSTEM_DEFAULT, TinyIntType.INSTANCE)
);
/**
* constructor with 4 argument.
*/
public WidthBucket(Expression arg0, Expression arg1, Expression arg2, Expression arg3) {
super("width_bucket", arg0, arg1, arg2, arg3);
}
/**
* withChildren.
*/
@Override
public WidthBucket withChildren(List<Expression> children) {
Preconditions.checkArgument(children.size() == 4);
return new WidthBucket(children.get(0), children.get(1), children.get(2), children.get(3));
}
@Override
public List<FunctionSignature> getSignatures() {
return SIGNATURES;
}
@Override
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitWidthBucket(this, context);
}
}

5
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/visitor/ScalarFunctionVisitor.java
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@ -318,6 +318,7 @@ import org.apache.doris.nereids.trees.expressions.functions.scalar.Weekday;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksAdd;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksDiff;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WeeksSub;
import org.apache.doris.nereids.trees.expressions.functions.scalar.WidthBucket;
import org.apache.doris.nereids.trees.expressions.functions.scalar.Year;
import org.apache.doris.nereids.trees.expressions.functions.scalar.YearCeil;
import org.apache.doris.nereids.trees.expressions.functions.scalar.YearFloor;
@ -1539,6 +1540,10 @@ public interface ScalarFunctionVisitor<R, C> {
return visitScalarFunction(weeksSub, context);
}
default R visitWidthBucket(WidthBucket widthBucket, C context) {
return visitScalarFunction(widthBucket, context);
}
default R visitYear(Year year, C context) {
return visitScalarFunction(year, context);
}