x-tong commented on code in PR #2086: URL: https://github.com/apache/auron/pull/2086#discussion_r2940525388
########## auron-flink-extension/auron-flink-runtime/src/main/java/org/apache/auron/flink/arrow/writers/TimeWriter.java: ########## @@ -0,0 +1,112 @@ +/* + * 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.auron.flink.arrow.writers; + +import org.apache.arrow.vector.BaseFixedWidthVector; +import org.apache.arrow.vector.TimeMicroVector; +import org.apache.arrow.vector.TimeMilliVector; +import org.apache.arrow.vector.TimeNanoVector; +import org.apache.arrow.vector.TimeSecVector; +import org.apache.arrow.vector.ValueVector; +import org.apache.flink.table.data.ArrayData; +import org.apache.flink.table.data.RowData; + +/** + * {@link ArrowFieldWriter} for time values stored in Arrow time vectors. + * + * <p>Supports all four Arrow time precisions: {@link TimeSecVector}, {@link TimeMilliVector}, {@link + * TimeMicroVector}, and {@link TimeNanoVector}. Flink internally stores TIME values as milliseconds + * in an {@code int}; this writer converts to the target precision on write. + * + * <p>Use {@link #forRow(ValueVector)} when writing from {@link RowData} and {@link + * #forArray(ValueVector)} when writing from {@link ArrayData}. + * + * @param <T> the input data type + */ +public abstract class TimeWriter<T> extends ArrowFieldWriter<T> { + + /** Creates a TimeWriter that reads from {@link RowData}. */ + public static TimeWriter<RowData> forRow(ValueVector valueVector) { + return new TimeWriterForRow(valueVector); + } + + /** Creates a TimeWriter that reads from {@link ArrayData}. */ + public static TimeWriter<ArrayData> forArray(ValueVector valueVector) { + return new TimeWriterForArray(valueVector); + } + + private TimeWriter(ValueVector valueVector) { + super(valueVector); + } + + abstract boolean isNullAt(T in, int ordinal); + + abstract int readTime(T in, int ordinal); + + @Override + public void doWrite(T in, int ordinal) { + ValueVector vector = getValueVector(); + if (isNullAt(in, ordinal)) { + ((BaseFixedWidthVector) vector).setNull(getCount()); + } else { + int millis = readTime(in, ordinal); Review Comment: Fixed — added `Preconditions.checkState` in the constructor to validate the vector type upfront, consistent with `TimestampWriter`. ########## auron-flink-extension/auron-flink-runtime/src/main/java/org/apache/auron/flink/arrow/writers/TimeWriter.java: ########## @@ -0,0 +1,112 @@ +/* + * 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.auron.flink.arrow.writers; + +import org.apache.arrow.vector.BaseFixedWidthVector; +import org.apache.arrow.vector.TimeMicroVector; +import org.apache.arrow.vector.TimeMilliVector; +import org.apache.arrow.vector.TimeNanoVector; +import org.apache.arrow.vector.TimeSecVector; +import org.apache.arrow.vector.ValueVector; +import org.apache.flink.table.data.ArrayData; +import org.apache.flink.table.data.RowData; + +/** + * {@link ArrowFieldWriter} for time values stored in Arrow time vectors. + * + * <p>Supports all four Arrow time precisions: {@link TimeSecVector}, {@link TimeMilliVector}, {@link + * TimeMicroVector}, and {@link TimeNanoVector}. Flink internally stores TIME values as milliseconds + * in an {@code int}; this writer converts to the target precision on write. + * + * <p>Use {@link #forRow(ValueVector)} when writing from {@link RowData} and {@link + * #forArray(ValueVector)} when writing from {@link ArrayData}. + * + * @param <T> the input data type + */ +public abstract class TimeWriter<T> extends ArrowFieldWriter<T> { + + /** Creates a TimeWriter that reads from {@link RowData}. */ + public static TimeWriter<RowData> forRow(ValueVector valueVector) { + return new TimeWriterForRow(valueVector); + } + + /** Creates a TimeWriter that reads from {@link ArrayData}. */ + public static TimeWriter<ArrayData> forArray(ValueVector valueVector) { + return new TimeWriterForArray(valueVector); + } + + private TimeWriter(ValueVector valueVector) { + super(valueVector); Review Comment: Good catch, fixed — added `Preconditions.checkState` in the constructor to validate the vector type, consistent with `TimestampWriter`. -- This is an automated message from the Apache Git Service. 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