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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/10/20 12:45:59 UTC

[GitHub] [flink] wuchong commented on a change in pull request #13669: [FLINK-19684][Connector][jdbc] Fix the Jdbc-connector's 'lookup.max-retries' option implementation

wuchong commented on a change in pull request #13669:
URL: https://github.com/apache/flink/pull/13669#discussion_r508466369



##########
File path: flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcDynamicTableFactory.java
##########
@@ -308,6 +308,14 @@ private void validateConfigOptions(ReadableConfig config) {
 			LOOKUP_CACHE_MAX_ROWS,
 			LOOKUP_CACHE_TTL
 		});
+
+		if (config.get(LOOKUP_MAX_RETRIES) <= 0) {
+			throw new IllegalArgumentException("The 'lookup.max-retries' should be greater than 0.");

Review comment:
       Use the option variable instead of hard code the option key. 

##########
File path: flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcDynamicTableFactory.java
##########
@@ -308,6 +308,14 @@ private void validateConfigOptions(ReadableConfig config) {
 			LOOKUP_CACHE_MAX_ROWS,
 			LOOKUP_CACHE_TTL
 		});
+
+		if (config.get(LOOKUP_MAX_RETRIES) <= 0) {
+			throw new IllegalArgumentException("The 'lookup.max-retries' should be greater than 0.");
+		}
+
+		if (config.get(SINK_MAX_RETRIES) <= 0) {
+			throw new IllegalArgumentException("The 'sink.max-retries' should be greater than 0.");

Review comment:
       ditto.

##########
File path: flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcDynamicTableFactory.java
##########
@@ -308,6 +308,14 @@ private void validateConfigOptions(ReadableConfig config) {
 			LOOKUP_CACHE_MAX_ROWS,
 			LOOKUP_CACHE_TTL
 		});
+
+		if (config.get(LOOKUP_MAX_RETRIES) <= 0) {

Review comment:
       I think it can equal to zero?

##########
File path: flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/table/JdbcDynamicTableFactory.java
##########
@@ -308,6 +308,14 @@ private void validateConfigOptions(ReadableConfig config) {
 			LOOKUP_CACHE_MAX_ROWS,
 			LOOKUP_CACHE_TTL
 		});
+
+		if (config.get(LOOKUP_MAX_RETRIES) <= 0) {
+			throw new IllegalArgumentException("The 'lookup.max-retries' should be greater than 0.");

Review comment:
       ```java
   throw new IllegalArgumentException(String.format(
       "The value of '%s' option shouldn't be negative, but is %s.",
       LOOKUP_MAX_RETRIES.key(),
       config.get(LOOKUP_MAX_RETRIES)));
   ```




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