Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3409#discussion_r107005694
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/TableEnvironment.scala
---
@@ -246,6 +251,36 @@ abstract class TableEnvironment(val config:
TableConfig) {
}
/**
+ * Registers a [[ExternalCatalog]] under a unique name in the
TableEnvironment's catalog.
+ * The databases and tables in the registered external catalog can be
referenced in SQL queries.
+ *
+ * @param name The name under which the externalCatalog will
be registered.
+ * @param externalCatalog The externalCatalog to register.
+ */
+ def registerExternalCatalog(name: String, externalCatalog:
ExternalCatalog): Unit = {
+ if (this.externalCatalogs.contains(name)) {
+ throw new ExternalCatalogAlreadyExistException(name)
+ }
+ this.externalCatalogs.put(name, externalCatalog)
+ // create an external catalog calicte schema, register it on the root
schema
+ ExternalCatalogSchema.create(rootSchema, name, externalCatalog)
+ }
+
+ /**
+ * Gets a registered [[ExternalCatalog]] by name
+ *
+ * @param name The name under which the externalCatalog was previous
registered.
+ * @return the externalCatalog found by name
+ */
+ def getRegisteredExternalCatalog(name: String): ExternalCatalog = {
--- End diff --
I see, good point!
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