com.hazelcast.org.apache.calcite.sql.validate.SqlUserDefinedAggFunction Maven / Gradle / Ivy
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* 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
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package com.hazelcast.org.apache.calcite.sql.validate;
import com.hazelcast.org.apache.calcite.rel.type.RelDataTypeFactory;
import com.hazelcast.org.apache.calcite.schema.AggregateFunction;
import com.hazelcast.org.apache.calcite.sql.SqlAggFunction;
import com.hazelcast.org.apache.calcite.sql.SqlFunctionCategory;
import com.hazelcast.org.apache.calcite.sql.SqlIdentifier;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.type.SqlOperandMetadata;
import com.hazelcast.org.apache.calcite.sql.type.SqlOperandTypeChecker;
import com.hazelcast.org.apache.calcite.sql.type.SqlOperandTypeInference;
import com.hazelcast.org.apache.calcite.sql.type.SqlReturnTypeInference;
import com.hazelcast.org.apache.calcite.util.Optionality;
import com.hazelcast.org.apache.calcite.util.Util;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
/**
* User-defined aggregate function.
*
* Created by the validator, after resolving a function call to a function
* defined in a Calcite schema.
*/
public class SqlUserDefinedAggFunction extends SqlAggFunction {
public final AggregateFunction function;
@Deprecated // to be removed before 2.0
public SqlUserDefinedAggFunction(SqlIdentifier opName,
SqlReturnTypeInference returnTypeInference,
SqlOperandTypeInference operandTypeInference,
@Nullable SqlOperandTypeChecker operandTypeChecker, AggregateFunction function,
boolean requiresOrder, boolean requiresOver,
Optionality requiresGroupOrder, RelDataTypeFactory typeFactory) {
this(opName, SqlKind.OTHER_FUNCTION, returnTypeInference,
operandTypeInference,
operandTypeChecker instanceof SqlOperandMetadata
? (SqlOperandMetadata) operandTypeChecker : null, function,
requiresOrder, requiresOver, requiresGroupOrder);
Util.discard(typeFactory); // no longer used
}
/** Creates a SqlUserDefinedAggFunction. */
public SqlUserDefinedAggFunction(SqlIdentifier opName, SqlKind kind,
SqlReturnTypeInference returnTypeInference,
SqlOperandTypeInference operandTypeInference,
@Nullable SqlOperandMetadata operandMetadata, AggregateFunction function,
boolean requiresOrder, boolean requiresOver,
Optionality requiresGroupOrder) {
super(Util.last(opName.names), opName, kind,
returnTypeInference, operandTypeInference, operandMetadata,
SqlFunctionCategory.USER_DEFINED_FUNCTION, requiresOrder, requiresOver,
requiresGroupOrder);
this.function = function;
}
@Override public @Nullable SqlOperandMetadata getOperandTypeChecker() {
return (@Nullable SqlOperandMetadata) super.getOperandTypeChecker();
}
}
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