chenboat commented on a change in pull request #4608: Unit tests and bug fixes
for DeleteTable rest API for controller.
URL: https://github.com/apache/incubator-pinot/pull/4608#discussion_r332288358
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotTableRestletResource.java
##########
@@ -254,20 +254,49 @@ public SuccessResponse deleteTable(
List<String> tablesDeleted = new LinkedList<>();
try {
- if (tableType != TableType.REALTIME &&
!TableNameBuilder.REALTIME.tableHasTypeSuffix(tableName)) {
+ boolean tableExist = false;
+ if (verifyTableType(tableName, tableType, tableType.OFFLINE)) {
+ tableExist = _pinotHelixResourceManager.hasOfflineTable(tableName);
+ // Even the table name does not exist, still go on to delete remaining
table metadata in case a previous delete
+ // did not complete.
_pinotHelixResourceManager.deleteOfflineTable(tableName);
-
tablesDeleted.add(TableNameBuilder.OFFLINE.tableNameWithType(tableName));
+ if (tableExist) {
+
tablesDeleted.add(TableNameBuilder.OFFLINE.tableNameWithType(tableName));
+ }
}
- if (tableType != TableType.OFFLINE &&
!TableNameBuilder.OFFLINE.tableHasTypeSuffix(tableName)) {
+ if (verifyTableType(tableName, tableType, tableType.REALTIME)) {
+ tableExist = _pinotHelixResourceManager.hasRealtimeTable(tableName);
+ // Even the table name does not exist, still go on to delete remaining
table metadata in case a previous delete
+ // did not complete.
_pinotHelixResourceManager.deleteRealtimeTable(tableName);
-
tablesDeleted.add(TableNameBuilder.REALTIME.tableNameWithType(tableName));
+ if (tableExist) {
+
tablesDeleted.add(TableNameBuilder.REALTIME.tableNameWithType(tableName));
+ }
+ }
+ if (!tableExist) {
+ throw new ControllerApplicationException(LOGGER,
+ "Table '" + tableName + "' with type " + tableType + " does not
exist", Response.Status.NOT_FOUND);
}
return new SuccessResponse("Tables: " + tablesDeleted + " deleted");
} catch (Exception e) {
throw new ControllerApplicationException(LOGGER, e.getMessage(),
Response.Status.INTERNAL_SERVER_ERROR, e);
}
}
+ // Return true iff the table is of the expectedType based on the given
tableName and tableType. The truth table:
+ // tableType
TableNameBuilder.getTableTypeFromTableName(tableName) Return value
+ // 1. null null (i.e., table has no type
suffix) true
+ // 2. null not_null
typeFromTableName == expectedType
+ // 3. not_null null
tableType == expectedType
+ // 4. not_null not_null
tableType==typeFromTableName==expectedType
+ private boolean verifyTableType(String tableName, TableType tableType,
TableType expectedType) {
Review comment:
Use tab instead of space now. There is no template for comments as far as I
know.
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