jackye1995 commented on a change in pull request #3269:
URL: https://github.com/apache/iceberg/pull/3269#discussion_r726488932
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File path: spark3/src/main/java/org/apache/iceberg/spark/SparkCatalog.java
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@@ -80,6 +87,9 @@
*/
public class SparkCatalog extends BaseCatalog {
private static final Set<String> DEFAULT_NS_KEYS =
ImmutableSet.of(TableCatalog.PROP_OWNER);
+ private static final Splitter COMMA = Splitter.on(",");
+ private static final Pattern AT_TIME =
Pattern.compile("at(?:_(?:time(?:stamp)?)?)?_?(\\d+)");
Review comment:
what's the reason for supporting so many different ways to specify the
time and snapshot id? My opinion is we should just support 1 shortcut and 1
full name for each, for example `at_` and `at_timestamp_` for timestamp travel,
`s_` and `snapshot_id_` for snapshot ID travel. Maybe even the full name ones
are not necessary.
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