yzeng1618 commented on code in PR #4027:
URL: https://github.com/apache/flink-cdc/pull/4027#discussion_r2110666798
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flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/source/config/MySqlSourceOptions.java:
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@@ -293,4 +293,15 @@ public class MySqlSourceOptions {
.defaultValue(false)
.withDescription(
"Whether to assign the unbounded chunks first
during snapshot reading phase. This might help reduce the risk of the
TaskManager experiencing an out-of-memory (OOM) error when taking a snapshot of
the largest unbounded chunk. Defaults to false.");
+
+ @Experimental
+ public static final ConfigOption<Boolean> IGNORE_NO_PRIMARY_KEY_TABLE =
+ ConfigOptions.key("ignore-no-primary-key-table")
+ .booleanType()
+ .defaultValue(false)
+ .withDescription(
+ "Whether to ignore tables without primary key.
When enabled, the connector will skip tables "
+ + "that don't have a primary key. By
default these tables will be processed, but for some "
+ + "scenarios it may be desirable to ignore
them since tables without primary keys "
+ + "might cause performance issues during
incremental snapshot.");
Review Comment:
we will skip them
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