trushev commented on code in PR #5830:
URL: https://github.com/apache/hudi/pull/5830#discussion_r1001518524
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/table/format/mor/MergeOnReadInputFormat.java:
##########
@@ -166,29 +177,56 @@ public void open(MergeOnReadInputSplit split) throws
IOException {
this.currentReadCount = 0L;
this.closed = false;
this.hadoopConf = HadoopConfigurations.getHadoopConf(this.conf);
+ if (schemaEvolutionContext.isPresent()) {
+ SchemaEvolutionContext context = schemaEvolutionContext.get();
+ querySchema = context.getQuerySchema();
+ actualSchema = context.getActualSchema(split);
+ actualFieldNames = context.getFieldNames(actualSchema);
+ actualFieldTypes = context.getFieldTypes(actualSchema);
+ } else {
+ querySchema = InternalSchema.getEmptyInternalSchema();
+ actualSchema = InternalSchema.getEmptyInternalSchema();
+ actualFieldNames = fieldNames;
+ actualFieldTypes = fieldTypes;
+ }
+
if (!(split.getLogPaths().isPresent() && split.getLogPaths().get().size()
> 0)) {
- if (split.getInstantRange() != null) {
+ if (split.getInstantRange().isPresent()) {
// base file only with commit time filtering
this.iterator = new BaseFileOnlyFilteringIterator(
- split.getInstantRange(),
- this.tableState.getRequiredRowType(),
+ split.getInstantRange().get(),
getReader(split.getBasePath().get(),
getRequiredPosWithCommitTime(this.requiredPos)));
+ int[] positions = IntStream.range(1, requiredPos.length + 1).toArray();
+ RowDataProjection projection = getCastProjection(positions)
+
.orElse(RowDataProjection.instance(tableState.getRequiredRowType(), positions));
+ projectRecordIterator(projection);
} else {
// base file only
this.iterator = new
BaseFileOnlyIterator(getRequiredSchemaReader(split.getBasePath().get()));
+ projectRecordIterator();
}
} else if (!split.getBasePath().isPresent()) {
// log files only
if (OptionsResolver.emitChangelog(conf)) {
this.iterator = new
LogFileOnlyIterator(getUnMergedLogFileIterator(split));
+ projectRecordIterator();
} else {
this.iterator = new LogFileOnlyIterator(getLogFileIterator(split));
+ projectRecordIterator();
Review Comment:
You are right, fixed
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/table/format/CastMap.java:
##########
@@ -0,0 +1,259 @@
+/*
+ * 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.hudi.table.format;
+
+import org.apache.hudi.internal.schema.InternalSchema;
+import org.apache.hudi.internal.schema.Type;
+import org.apache.hudi.internal.schema.Types;
+import org.apache.hudi.internal.schema.convert.AvroInternalSchemaConverter;
+import org.apache.hudi.internal.schema.utils.InternalSchemaUtils;
+import org.apache.hudi.util.AvroSchemaConverter;
+
+import org.apache.avro.Schema;
+import org.apache.flink.annotation.VisibleForTesting;
+import org.apache.flink.table.data.DecimalData;
+import org.apache.flink.table.data.binary.BinaryStringData;
+import org.apache.flink.table.types.DataType;
+import org.apache.flink.table.types.logical.DecimalType;
+import org.apache.flink.table.types.logical.LogicalType;
+import org.apache.flink.table.types.logical.LogicalTypeRoot;
+import org.apache.flink.util.Preconditions;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.BIGINT;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.DATE;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.DECIMAL;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.DOUBLE;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.FLOAT;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.INTEGER;
+import static org.apache.flink.table.types.logical.LogicalTypeRoot.VARCHAR;
+
+/**
+ * CastMap is responsible for conversion of flink types when full schema
evolution enabled.
+ */
+public final class CastMap implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // Maps position to corresponding cast
+ private final Map<Integer, Cast> castMap = new HashMap<>();
+
+ /**
+ * Creates CastMap by comparing two schemes. Cast of a specific column is
created if its type has changed.
+ */
+ public static CastMap of(String tableName, InternalSchema querySchema,
InternalSchema actualSchema) {
+ DataType queryType = internalSchemaToDataType(tableName, querySchema);
+ DataType actualType = internalSchemaToDataType(tableName, actualSchema);
+ CastMap castMap = new CastMap();
+ InternalSchemaUtils.collectTypeChangedCols(querySchema,
actualSchema).entrySet().stream()
+ .filter(e -> !isSameType(e.getValue().getLeft(),
e.getValue().getRight()))
Review Comment:
fixed
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