cloud-fan commented on code in PR #43751:
URL: https://github.com/apache/spark/pull/43751#discussion_r1494067449
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/TableCatalog.java:
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@@ -97,6 +102,26 @@ public interface TableCatalog extends CatalogPlugin {
*/
Identifier[] listTables(String[] namespace) throws NoSuchNamespaceException;
+ /**
+ * List the tables in a namespace from the catalog by pattern string.
+ * <p>
+ * If the catalog supports views, this must return identifiers for only
tables and not views.
+ *
+ * @param namespace a multi-part namespace
+ * @param pattern the filter pattern, only '*' and '|' are allowed as
wildcards, others will
+ * follow regular expression convention, case-insensitive
match and white spaces
+ * on both ends will be ignored
Review Comment:
do we have a doc page for the pattern string semantic? If we do we should
reference it here.
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