com.hazelcast.jet.sql.impl.aggregate.function.HazelcastHopTableFunction Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.aggregate.function;
import com.hazelcast.jet.sql.impl.schema.HazelcastTableFunctionParameter;
import com.hazelcast.jet.sql.impl.validate.operand.AnyOperandChecker;
import com.hazelcast.jet.sql.impl.validate.operand.TypedOperandChecker;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.type.SqlTypeName;
import java.util.List;
import static java.util.Arrays.asList;
public class HazelcastHopTableFunction extends HazelcastWindowTableFunction {
private static final List PARAMETERS = asList(
new HazelcastTableFunctionParameter(0, "input", SqlTypeName.ROW, false, TypedOperandChecker.ROW),
new HazelcastTableFunctionParameter(1, "time_col", SqlTypeName.COLUMN_LIST, false, TypedOperandChecker.COLUMN_LIST),
new HazelcastTableFunctionParameter(2, "window_size", SqlTypeName.ANY, false, AnyOperandChecker.INSTANCE),
new HazelcastTableFunctionParameter(3, "slide_size", SqlTypeName.ANY, false, AnyOperandChecker.INSTANCE)
);
public HazelcastHopTableFunction() {
super(SqlKind.HOP, new WindowOperandMetadata(PARAMETERS, new int[]{2, 3}), 1);
}
}