pvary commented on code in PR #17873:
URL: https://github.com/apache/iceberg/pull/17873#discussion_r4014163036
##########
flink/v2.3/flink/src/main/java/org/apache/iceberg/flink/FlinkCatalog.java:
##########
@@ -529,6 +573,42 @@ private boolean isReservedProperty(String prop) {
||
FlinkCreateTableOptions.SRC_CATALOG_PROPS_KEY.equalsIgnoreCase(prop);
}
+ private void createIcebergView(
+ ObjectPath tablePath, ResolvedCatalogView view, boolean ignoreIfExists)
+ throws CatalogException, DatabaseNotExistException,
TableAlreadyExistException {
+ Map<String, String> properties = Maps.newHashMap(view.getOptions());
+ if (!StringUtils.isNullOrWhitespaceOnly(view.getComment())) {
+ properties.put(ViewProperties.COMMENT, view.getComment());
+ }
+
+ try {
+ // the default catalog is intentionally left unset so that readers
resolve it to the
+ // name this catalog is registered under (see toCatalogView)
+ asViewCatalog
+ .buildView(toIdentifier(tablePath))
+ .withSchema(FlinkSchemaUtil.convert(view.getResolvedSchema()))
+ .withDefaultNamespace(appendLevel(baseNamespace,
tablePath.getDatabaseName()))
+ // the expanded query fully qualifies every table reference, so the
view resolves the
+ // same way regardless of the reader's session; views built
programmatically may not
+ // carry an expanded query, in which case the original query is
stored as-is
+ .withQuery(FLINK_DIALECT, viewQuery(view))
+ .withProperties(properties)
+ .create();
+ } catch (AlreadyExistsException e) {
+ if (!ignoreIfExists) {
+ throw new TableAlreadyExistException(getName(), tablePath, e);
+ }
+ } catch (NoSuchNamespaceException e) {
+ throw new DatabaseNotExistException(getName(),
tablePath.getDatabaseName(), e);
+ }
+ }
+
+ private static String viewQuery(ResolvedCatalogView view) {
+ return StringUtils.isNullOrWhitespaceOnly(view.getExpandedQuery())
+ ? view.getOriginalQuery()
+ : view.getExpandedQuery();
Review Comment:
Could this happen?
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