[GitHub] [iceberg] rdblue commented on a change in pull request #1848: Add support for converting avro schemas containing timestamps without the adjust-to-utc annotations

[GitBox <gi...@apache.org>]

rdblue commented on a change in pull request #1848:
URL: https://github.com/apache/iceberg/pull/1848#discussion_r532765677



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File path: core/src/main/java/org/apache/iceberg/avro/AvroSchemaUtil.java
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@@ -107,10 +107,14 @@ public static Schema buildAvroProjection(Schema schema, org.apache.iceberg.Schem
 
   public static boolean isTimestamptz(Schema schema) {
     LogicalType logicalType = schema.getLogicalType();
-    if (logicalType != null && logicalType instanceof LogicalTypes.TimestampMicros) {
+    if (logicalType instanceof LogicalTypes.TimestampMillis || logicalType instanceof LogicalTypes.TimestampMicros) {
       // timestamptz is adjusted to UTC
       Object value = schema.getObjectProp(ADJUST_TO_UTC_PROP);
-      if (value instanceof Boolean) {
+
+      if (value == null) {
+        // not all avro timestamp logical types will have the adjust_to_utc prop, default to not timestamptz

Review comment:
       How about "default to timestamp" or "default to timestamp without time zone"?




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