apilloud commented on a change in pull request #13930:
URL: https://github.com/apache/beam/pull/13930#discussion_r610044800
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File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamCalcRel.java
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@@ -468,66 +440,174 @@ private static Expression value(
final Expression expression = list.append(list.newName("current"),
input);
- FieldType fromType = schema.getField(index).getType();
- Class convertTo = null;
- if (storageType == Object.class) {
- convertTo = Object.class;
- } else if (fromType.getTypeName().isLogicalType()) {
- convertTo =
LOGICAL_TYPE_TO_BASE_TYPE_MAP.get(fromType.getLogicalType().getIdentifier());
- } else {
- convertTo = TYPE_CONVERSION_MAP.get(fromType.getTypeName());
- }
- if (convertTo == null) {
- throw new UnsupportedOperationException("Unable to get " +
fromType.getTypeName());
+ FieldType fieldType = schema.getField(index).getType();
+ Expression value;
+ switch (fieldType.getTypeName()) {
+ case BYTE:
+ value = Expressions.call(expression, "getByte",
Expressions.constant(index));
Review comment:
Added a comment at the top of the function: `Read field from Beam Row`
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