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commit 452cff9c549ab4d7ea3c0679ed9c16b836bb7114 Author: Michal Stutzmann <[email protected]> AuthorDate: Sat Aug 23 12:19:43 2025 +0200 Add test --- .../apache/calcite/sql/type/FunctionSqlType.java | 3 ++ .../calcite/sql/type/FunctionSqlTypeTest.java | 52 ++++++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/core/src/main/java/org/apache/calcite/sql/type/FunctionSqlType.java b/core/src/main/java/org/apache/calcite/sql/type/FunctionSqlType.java index 4633c3c88f..b71dbe1ef2 100644 --- a/core/src/main/java/org/apache/calcite/sql/type/FunctionSqlType.java +++ b/core/src/main/java/org/apache/calcite/sql/type/FunctionSqlType.java @@ -35,6 +35,9 @@ public FunctionSqlType( RelDataType parameterType, RelDataType returnType) { super(SqlTypeName.FUNCTION, true, null); this.parameterType = requireNonNull(parameterType, "parameterType"); + if (!parameterType.isStruct()) { + throw new IllegalArgumentException("paramType must be a struct"); + } this.returnType = requireNonNull(returnType, "returnType"); computeDigest(); } diff --git a/core/src/test/java/org/apache/calcite/sql/type/FunctionSqlTypeTest.java b/core/src/test/java/org/apache/calcite/sql/type/FunctionSqlTypeTest.java new file mode 100644 index 0000000000..3f780b3ecf --- /dev/null +++ b/core/src/test/java/org/apache/calcite/sql/type/FunctionSqlTypeTest.java @@ -0,0 +1,52 @@ +/* + * 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.calcite.sql.type; + +import org.apache.calcite.rel.type.RelDataType; +import org.apache.calcite.rel.type.RelDataTypeFactory; +import org.apache.calcite.rel.type.RelDataTypeSystem; + +import com.google.common.collect.ImmutableList; + +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +/** + * Tests for {@link FunctionSqlType}. + */ +public class FunctionSqlTypeTest { + final RelDataTypeFactory sqlTypeFactory = + new SqlTypeFactoryImpl(RelDataTypeSystem.DEFAULT); + + final RelDataType parameterType = + sqlTypeFactory.createStructType( + ImmutableList.of(sqlTypeFactory.createSqlType(SqlTypeName.BOOLEAN)), + ImmutableList.of("field1")); + final RelDataType returnType = sqlTypeFactory.createSqlType(SqlTypeName.BOOLEAN); + final FunctionSqlType functionSqlType = + new FunctionSqlType(parameterType, returnType); + + @Test void testGetParamType() { + assertEquals(parameterType, functionSqlType.getParameterType()); + } + + @Test void testGetReturnType() { + assertEquals(returnType, functionSqlType.getReturnType()); + } + +}
