predator4ann commented on code in PR #8216:
URL: https://github.com/apache/gravitino/pull/8216#discussion_r2324608733
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trino-connector/trino-connector/src/main/java/org/apache/gravitino/trino/connector/catalog/hive/HiveDataTypeTransformer.java:
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@@ -72,6 +75,10 @@ public Type getGravitinoType(io.trino.spi.type.Type type) {
}
return Types.FixedCharType.of(charType.getLength());
+ } else if
(io.trino.spi.type.TimestampType.class.isAssignableFrom(typeClass)) {
+ // When creating a table in Hive, the timestamp data type only supports
not specifying
+ // precision, with the default precision being 3 (milliseconds precision)
+ return Types.TimestampType.withoutTimeZone();
Review Comment:
When creating a Hive table via Trino, only timestamp and timestamp(3) are
accepted, and the ultimately mapped Hive data type is always timestamp(3).
Other types will result in an error.
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