rdblue commented on code in PR #9513:
URL: https://github.com/apache/iceberg/pull/9513#discussion_r1471676989
##########
spark/v3.5/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestViews.java:
##########
@@ -1149,6 +1149,159 @@ public void
createViewWithSubqueryExpressionUsingGlobalTempView() {
"because it references to the temporary object
global_temp.%s", globalTempView));
}
+ @Test
+ public void describeView() {
+ String viewName = "describeView";
+
+ sql("CREATE VIEW %s AS SELECT id, data FROM %s WHERE id <= 3", viewName,
tableName);
+ assertThat(sql("DESCRIBE %s", viewName))
+ .containsExactlyInAnyOrder(row("id", "int", ""), row("data", "string",
""));
+ }
+
+ @Test
+ public void describeExtendedView() {
+ String viewName = "describeExtendedView";
+ String sql = String.format("SELECT id, data FROM %s WHERE id <= 3",
tableName);
+
+ sql(
+ "CREATE VIEW %s (new_id COMMENT 'ID', new_data COMMENT 'DATA') COMMENT
'view comment' AS %s",
+ viewName, sql);
+ assertThat(sql("DESCRIBE EXTENDED %s", viewName))
+ .contains(
+ row("new_id", "int", "ID"),
+ row("new_data", "string", "DATA"),
+ row("Comment", "view comment", ""),
+ row("View Text", sql, ""),
+ row("View Catalog and Namespace", String.format("%s.%s",
catalogName, NAMESPACE), ""),
+ row("View Query Output Columns", "[id, data]", ""),
+ row(
+ "View Properties",
+ String.format(
+ "['format-version' = '1', 'location' = '/%s/%s',
'provider' = 'iceberg']",
+ NAMESPACE, viewName),
+ ""));
+ }
+
+ @Test
+ public void showViewProperties() {
+ String viewName = "showViewProps";
+
+ sql(
+ "CREATE VIEW %s TBLPROPERTIES ('key1'='val1', 'key2'='val2') AS SELECT
id, data FROM %s WHERE id <= 3",
+ viewName, tableName);
+ assertThat(sql("SHOW TBLPROPERTIES %s", viewName))
+ .contains(row("key1", "val1"), row("key2", "val2"));
+ }
+
+ @Test
+ public void showViewPropertiesByKey() {
+ String viewName = "showViewPropsByKey";
+
+ sql("CREATE VIEW %s AS SELECT id, data FROM %s WHERE id <= 3", viewName,
tableName);
+ assertThat(sql("SHOW TBLPROPERTIES %s",
viewName)).contains(row("provider", "iceberg"));
+
+ assertThat(sql("SHOW TBLPROPERTIES %s (provider)", viewName))
+ .contains(row("provider", "iceberg"));
+
+ assertThat(sql("SHOW TBLPROPERTIES %s (non.existing)", viewName))
+ .contains(
+ row(
+ "non.existing",
+ String.format(
+ "View %s.%s.%s does not have property: non.existing",
+ catalogName, NAMESPACE, viewName)));
+ }
+
+ @Test
+ public void showViews() throws NoSuchTableException {
+ insertRows(6);
+ String sql = String.format("SELECT * from %s", tableName);
+ sql("CREATE VIEW v1 AS %s", sql);
+ sql("CREATE VIEW prefixV2 AS %s", sql);
+ sql("CREATE VIEW prefixV3 AS %s", sql);
+ sql("CREATE GLOBAL TEMPORARY VIEW globalViewForListing AS %s", sql);
+ sql("CREATE TEMPORARY VIEW tempViewForListing AS %s", sql);
+
+ // spark stores temp views case-insensitive by default
+ Object[] tempView = row("", "tempviewforlisting", true);
+ assertThat(sql("SHOW VIEWS"))
+ .contains(
+ row(NAMESPACE.toString(), "prefixV2", false),
+ row(NAMESPACE.toString(), "prefixV3", false),
+ row(NAMESPACE.toString(), "v1", false),
+ tempView);
+
+ assertThat(sql("SHOW VIEWS IN %s", catalogName))
+ .contains(
+ row(NAMESPACE.toString(), "prefixV2", false),
+ row(NAMESPACE.toString(), "prefixV3", false),
+ row(NAMESPACE.toString(), "v1", false),
+ tempView);
Review Comment:
Also weird when filtering by NAMESPACE below.
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