Normalize tables and views list in MetadataManager.

Earlier in MetadataManager.listTables used QualifiedObjectName that had a check for lowercase. Now, we can normalize identifer based on the connector, until specified in the connector, it would by default normalized to lowercase.

Author: agrawalreetika

presto-main-base/src/main/java/com/facebook/presto/metadata/MetadataManager.java

@@ -571,9 +571,11 @@ public List<QualifiedObjectName> listTables(Session session, QualifiedTablePrefi
                 ConnectorSession connectorSession = session.toConnectorSession(connectorId);
                 metadata.listTables(connectorSession, prefix.getSchemaName()).stream()
                         .map(convertFromSchemaTableName(prefix.getCatalogName()))
-                        .filter(name -> prefix.matches(new QualifiedObjectName(name.getCatalogName(),
+                        .map(name -> new QualifiedObjectName(
+                                name.getCatalogName(),
                                 normalizeIdentifier(session, connectorId.getCatalogName(), name.getSchemaName()),
-                                normalizeIdentifier(session, connectorId.getCatalogName(), name.getObjectName()))))
+                                normalizeIdentifier(session, connectorId.getCatalogName(), name.getObjectName())))
+                        .filter(prefix::matches)
                         .forEach(tables::add);
             }
         }
@@ -996,9 +998,11 @@ public List<QualifiedObjectName> listViews(Session session, QualifiedTablePrefix
                 ConnectorSession connectorSession = session.toConnectorSession(connectorId);
                 metadata.listViews(connectorSession, prefix.getSchemaName()).stream()
                         .map(convertFromSchemaTableName(prefix.getCatalogName()))
-                        .filter(name -> prefix.matches(new QualifiedObjectName(name.getCatalogName(),
+                        .map(name -> new QualifiedObjectName(
+                                name.getCatalogName(),
                                 normalizeIdentifier(session, connectorId.getCatalogName(), name.getSchemaName()),
-                                normalizeIdentifier(session, connectorId.getCatalogName(), name.getObjectName()))))
+                                normalizeIdentifier(session, connectorId.getCatalogName(), name.getObjectName())))
+                        .filter(prefix::matches)
                         .forEach(views::add);
             }
         }