lcspinter commented on a change in pull request #2129:
URL: https://github.com/apache/iceberg/pull/2129#discussion_r564419641
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File path: mr/src/main/java/org/apache/iceberg/mr/Catalogs.java
##########
@@ -180,47 +186,80 @@ public static boolean dropTable(Configuration conf,
Properties props) {
/**
* Returns true if HiveCatalog is used
* @param conf a Hadoop conf
+ * @param props the controlling properties
* @return true if the Catalog is HiveCatalog
*/
- public static boolean hiveCatalog(Configuration conf) {
- return HIVE.equalsIgnoreCase(conf.get(InputFormatConfig.CATALOG));
+ public static boolean hiveCatalog(Configuration conf, Properties props) {
+ String catalogName = props.getProperty(InputFormatConfig.TABLE_CATALOG);
+ if (catalogName != null) {
+ return
HIVE.equals(conf.get(String.format(InputFormatConfig.CATALOG_TYPE_TEMPLATE,
catalogName)));
+ } else {
+ if
(HIVE.equals(conf.get(String.format(InputFormatConfig.CATALOG_TYPE_TEMPLATE,
"default")))) {
+ return true;
+ } else {
+ return HIVE.equalsIgnoreCase(conf.get(InputFormatConfig.CATALOG));
+ }
+ }
}
@VisibleForTesting
- static Optional<Catalog> loadCatalog(Configuration conf) {
- String catalogLoaderClass =
conf.get(InputFormatConfig.CATALOG_LOADER_CLASS);
-
- if (catalogLoaderClass != null) {
- CatalogLoader loader = (CatalogLoader)
DynConstructors.builder(CatalogLoader.class)
- .impl(catalogLoaderClass)
- .build()
- .newInstance();
- Catalog catalog = loader.load(conf);
- LOG.info("Loaded catalog {} using {}", catalog, catalogLoaderClass);
- return Optional.of(catalog);
+ static Optional<Catalog> loadCatalog(Configuration conf, String catalogName)
{
+ String catalogType;
+ String name = catalogName;
+ if (name == null) {
+ name = "default";
}
+ catalogType =
conf.get(String.format(InputFormatConfig.CATALOG_TYPE_TEMPLATE, name));
- String catalogName = conf.get(InputFormatConfig.CATALOG);
+ // keep both catalog configuration methods for seamless transition
+ if (catalogType != null) {
+ // new logic
+ return loadCatalog(conf, catalogType,
String.format(InputFormatConfig.CATALOG_WAREHOUSE_TEMPLATE, name),
+ String.format(InputFormatConfig.CATALOG_LOADER_CLASS_TEMPLATE,
name));
+ } else {
+ // old logic
+ // use catalog {@link InputFormatConfig.CATALOG} stored in global hive
config if table specific catalog
+ // configuration or default catalog definition is missing
+ catalogType = conf.get(InputFormatConfig.CATALOG);
+ return loadCatalog(conf, catalogType,
InputFormatConfig.HADOOP_CATALOG_WAREHOUSE_LOCATION,
+ InputFormatConfig.CATALOG_LOADER_CLASS);
+ }
+ }
- if (catalogName != null) {
- Catalog catalog;
- switch (catalogName.toLowerCase()) {
- case HADOOP:
- String warehouseLocation =
conf.get(InputFormatConfig.HADOOP_CATALOG_WAREHOUSE_LOCATION);
+ private static Optional<Catalog> loadCatalog(Configuration conf, String
catalogType,
+ String
warehouseLocationConfigName, String loaderClassConfigName) {
+ if (catalogType == null) {
+ LOG.info("Catalog is not configured");
+ return Optional.empty();
+ }
- catalog = (warehouseLocation != null) ? new HadoopCatalog(conf,
warehouseLocation) : new HadoopCatalog(conf);
- LOG.info("Loaded Hadoop catalog {}", catalog);
+ Catalog catalog;
+ switch (catalogType.toLowerCase()) {
+ case HADOOP:
+ String warehouseLocation = conf.get(warehouseLocationConfigName);
+ catalog = (warehouseLocation != null) ? new HadoopCatalog(conf,
warehouseLocation) :
+ new HadoopCatalog(conf);
+ LOG.info("Loaded Hadoop catalog {}", catalog);
+ return Optional.of(catalog);
+ case HIVE:
+ catalog = HiveCatalogs.loadCatalog(conf);
+ LOG.info("Loaded Hive Metastore catalog {}", catalog);
+ return Optional.of(catalog);
+ case CUSTOM:
+ String catalogLoaderClass = conf.get(loaderClassConfigName);
+ if (catalogLoaderClass != null) {
+ CatalogLoader loader = (CatalogLoader)
DynConstructors.builder(CatalogLoader.class)
Review comment:
HiveCatalogs handles the caching, but in the end, calls CatalogUtil.
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