gong commented on code in PR #4666:
URL: https://github.com/apache/incubator-inlong/pull/4666#discussion_r896645972
##########
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/node/extract/MongoExtractNode.java:
##########
@@ -61,23 +61,23 @@ public class MongoExtractNode extends ExtractNode
implements Serializable {
@JsonCreator
public MongoExtractNode(@JsonProperty("id") String id,
- @JsonProperty("name") String name,
- @JsonProperty("fields") List<FieldInfo> fields,
- @Nullable @JsonProperty("watermarkField") WatermarkField
waterMarkField,
- @JsonProperty("properties") Map<String, String> properties,
- @JsonProperty("primaryKey") String primaryKey,
- @JsonProperty("collection") @Nonnull String collection,
- @JsonProperty("hostname") String hostname,
- @JsonProperty("username") String username,
- @JsonProperty("password") String password,
- @JsonProperty("database") String database) {
+ @JsonProperty("name") String name,
+ @JsonProperty("fields") List<FieldInfo> fields,
+ @Nullable @JsonProperty("watermarkField") WatermarkField
waterMarkField,
+ @JsonProperty("properties") Map<String, String> properties,
+ @JsonProperty("collection") @Nonnull String collection,
+ @JsonProperty("hostname") String hostname,
+ @JsonProperty("username") String username,
+ @JsonProperty("password") String password,
+ @JsonProperty("database") String database) {
super(id, name, fields, waterMarkField, properties);
this.collection = Preconditions.checkNotNull(collection, "collection
is null");
this.hosts = Preconditions.checkNotNull(hostname, "hostname is null");
this.username = Preconditions.checkNotNull(username, "username is
null");
this.password = Preconditions.checkNotNull(password, "password is
null");
this.database = Preconditions.checkNotNull(database, "database is
null");
- this.primaryKey = primaryKey;
+ // the primaryKey must be "_id"
+ this.primaryKey = "_id";
Review Comment:
`fields` should add "_id" field
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