database/doris
2
0
Fork 0
Code Issues Pull Requests Actions 3 Packages Projects Releases Wiki Activity

[Feature](function) Support xxhash function like murmur hash function (#31193)

Browse Source
This commit is contained in:
yangshijie
2024-02-23 11:07:50 +08:00
committed by yiguolei
parent 1456785aa1
commit 8f77e6363a
21 changed files with 690 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fe/fe-core/src/main/java/org/apache/doris/catalog/BuiltinScalarFunctions.java
View File

@ -426,6 +426,8 @@ 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.XxHash32;
import org.apache.doris.nereids.trees.expressions.functions.scalar.XxHash64;
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;
@ -876,6 +878,8 @@ public class BuiltinScalarFunctions implements FunctionHelper {
scalar(WeeksDiff.class, "weeks_diff"),
scalar(WeeksSub.class, "weeks_sub"),
scalar(WidthBucket.class, "width_bucket"),
scalar(XxHash32.class, "xxhash_32"),
scalar(XxHash64.class, "xxhash_64"),
scalar(Year.class, "year"),
scalar(YearCeil.class, "year_ceil"),
scalar(YearFloor.class, "year_floor"),

72
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/XxHash32.java Normal file
View File

@ -0,0 +1,72 @@
// 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.IntegerType;
import org.apache.doris.nereids.types.StringType;
import org.apache.doris.nereids.types.VarcharType;
import org.apache.doris.nereids.util.ExpressionUtils;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import java.util.List;
/**
* ScalarFunction 'xxhash_32'.
*/
public class XxHash32 extends ScalarFunction
implements ExplicitlyCastableSignature, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
FunctionSignature.ret(IntegerType.INSTANCE).varArgs(VarcharType.SYSTEM_DEFAULT),
FunctionSignature.ret(IntegerType.INSTANCE).varArgs(StringType.INSTANCE)
);
/**
* constructor with 1 or more arguments.
*/
public XxHash32(Expression arg, Expression... varArgs) {
super("xxhash_32", ExpressionUtils.mergeArguments(arg, varArgs));
}
/**
* withChildren.
*/
@Override
public XxHash32 withChildren(List<Expression> children) {
Preconditions.checkArgument(children.size() >= 1);
return new XxHash32(children.get(0),
children.subList(1, children.size()).toArray(new Expression[0]));
}
@Override
public List<FunctionSignature> getSignatures() {
return SIGNATURES;
}
@Override
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitXxHash32(this, context);
}
}

72
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/XxHash64.java Normal file
View File

@ -0,0 +1,72 @@
// 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.StringType;
import org.apache.doris.nereids.types.VarcharType;
import org.apache.doris.nereids.util.ExpressionUtils;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import java.util.List;
/**
* ScalarFunction 'xxhash_64'.
*/
public class XxHash64 extends ScalarFunction
implements ExplicitlyCastableSignature, PropagateNullable {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
FunctionSignature.ret(BigIntType.INSTANCE).varArgs(VarcharType.SYSTEM_DEFAULT),
FunctionSignature.ret(BigIntType.INSTANCE).varArgs(StringType.INSTANCE)
);
/**
* constructor with 1 or more arguments.
*/
public XxHash64(Expression arg, Expression... varArgs) {
super("xxhash_64", ExpressionUtils.mergeArguments(arg, varArgs));
}
/**
* withChildren.
*/
@Override
public XxHash64 withChildren(List<Expression> children) {
Preconditions.checkArgument(children.size() >= 1);
return new XxHash64(children.get(0),
children.subList(1, children.size()).toArray(new Expression[0]));
}
@Override
public List<FunctionSignature> getSignatures() {
return SIGNATURES;
}
@Override
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitXxHash64(this, context);
}
}

10
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/visitor/ScalarFunctionVisitor.java
View File

@ -416,6 +416,8 @@ 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.XxHash32;
import org.apache.doris.nereids.trees.expressions.functions.scalar.XxHash64;
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;
@ -1515,6 +1517,14 @@ public interface ScalarFunctionVisitor<R, C> {
return visitScalarFunction(murmurHash364, context);
}
default R visitXxHash32(XxHash32 xxHash32, C context) {
return visitScalarFunction(xxHash32, context);
}
default R visitXxHash64(XxHash64 xxHash64, C context) {
return visitScalarFunction(xxHash64, context);
}
default R visitNegative(Negative negative, C context) {
return visitScalarFunction(negative, context);
}