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  1. Debezium
  2. DBZ-6959

Incremental Snapshot Only Returns Latest Row - SQL Server

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Details

    • Bug
    • Resolution: Obsolete
    • Major
    • None
    • 2.2.1.Final
    • sqlserver-connector
    • None
    • False
    • None
    • False
    • Important

    Description

      In order to make your issue reports as actionable as possible, please provide the following information, depending on the issue type.

      Bug report

      For bug reports, provide this information, please:

      What Debezium connector do you use and what version?

      MSSQL Connector 2.2.1

      What is the connector configuration?

      connector.class=io.debezium.connector.sqlserver.SqlServerConnector
      database.history.consumer.sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
      tasks.max=1
      schema.history.internal.consumer.sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
      database.history.producer.sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler
      database.history.consumer.sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler
      database.history.consumer.security.protocol=SASL_SSL
      include.schema.changes=true
      topic.prefix=employeesdebezium-mssql
      schema.history.internal.kafka.topic=employees-debezium-schema-history
      schema.history.internal.producer.security.protocol=SASL_SSL
      sasl.mechanism=AWS_MSK_IAM
      signal.data.collection=my_db.my_schema.dbz_signal
      value.converter=org.apache.kafka.connect.json.JsonConverter
      key.converter=org.apache.kafka.connect.json.JsonConverter
      database.history.sasl.mechanism=AWS_MSK_IAM
      schema.history.internal.producer.sasl.mechanism=AWS_MSK_IAM
      database.history.producer.sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
      database.history.producer.sasl.mechanism=AWS_MSK_IAM
      database.history.sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
      database.encrypt=false
      schema.history.internal.consumer.sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler
      database.user=admin
      database.names=my_db
      database.server.id=*****
      schema.history.internal.producer.sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler
      database.history.producer.security.protocol=SASL_SSL
      schema.history.internal.kafka.bootstrap.servers=********
      topics.regex=debezium-employees-msql*
      database.port=****
      key.converter.schemas.enable=false
      max.request.size=10000000
      producer.override.max.request.size=10000000
      database.history.sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler
      database.hostname=**********
      database.password=***********
      value.converter.schemas.enable=false
      name=employees-debezium-mssql-source8
      schema.history.internal.producer.sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
      schema.history.internal.consumer.sasl.mechanism=AWS_MSK_IAM
      database.history.security.protocol=SASL_SSL
      table.include.list=my_schema.employees,my_schema.dbz_signal
      database.history.consumer.sasl.mechanism=AWS_MSK_IAM
      schema.history.internal.consumer.security.protocol=SASL_SSL

      What is the captured database version and mode of depoyment?

      (E.g. on-premises, with a specific cloud provider, etc.)

      RDS (AWS) Deployment of SQL Server

      Engine Version:
      15.00.4316.3.v1
      Engine: 
      SQL Server Standard Edition

      What behaviour do you expect?

      1. 
      Snapshot performed with following data: (signaling is enabled and included in table.include.list).
       
      INSERT INTO my_schema.dbz_signal (id, type, data) VALUES('full-snapshot6', 'execute-snapshot', '{"data-collections": ["my_db.my_schema.employees"], "surrogate-key": "id"}');
       
      All records in table my_db.my_schema.employees are streamed into kafka topic.

      What behaviour do you see?

      Only row containing max(id) is streamed into kafka topic. All other rows are not read. If adding additional-condition (such as id < 9), then the row with id=8 will be streamed into kafka topic, but no others will be. 

      Do you see the same behaviour using the latest relesead Debezium version?

      (Ideally, also verify with latest Alpha/Beta/CR version)

      Not tested yet.

      Do you have the connector logs, ideally from start till finish?

      (You might be asked later to provide DEBUG/TRACE level log)

      1.  
         
         
         
        Timestamp
         
        Message
         
        Log stream name
         
         
         
        2023-09-22T11:36:01.878+01:00
        Copy
        [2023-09-22 10:36:01,878] INFO [employees-debezium-mssql-source8\|task-0\|offsets] WorkerSourceTask{id=employees-debezium-mssql-source8-0} Committing offsets (org.apache.kafka.connect.runtime.WorkerSourceTask:490)
        [2023-09-22 10:36:01,878] INFO [employees-debezium-mssql-source8\|task-0\|offsets] WorkerSourceTask{id=employees-debezium-mssql-source8-0} Committing offsets (org.apache.kafka.connect.runtime.WorkerSourceTask:490) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:01.878+01:00
        Copy
        [2023-09-22 10:36:01,878] INFO [employees-debezium-mssql-source8\|task-0\|offsets] WorkerSourceTask{id=employees-debezium-mssql-source8-0} flushing 0 outstanding messages for offset commit (org.apache.kafka.connect.runtime.WorkerSourceTask:507)
        [2023-09-22 10:36:01,878] INFO [employees-debezium-mssql-source8\|task-0\|offsets] WorkerSourceTask{id=employees-debezium-mssql-source8-0} flushing 0 outstanding messages for offset commit (org.apache.kafka.connect.runtime.WorkerSourceTask:507) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:04.963+01:00
        Copy
        [2023-09-22 10:36:04,963] INFO [employees-debezium-mssql-source8\|task-0] Requested 'INCREMENTAL' snapshot of data collections '[my_db.my_schema.employees]' with additional condition 'No condition passed' and surrogate key 'id' (io.debezium.pipeline.signal.ExecuteSnapshot:52)
        [2023-09-22 10:36:04,963] INFO [employees-debezium-mssql-source8\|task-0] Requested 'INCREMENTAL' snapshot of data collections '[my_db.my_schema.employees]' with additional condition 'No condition passed' and surrogate key 'id' (io.debezium.pipeline.signal.ExecuteSnapshot:52) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:04.967+01:00
        Copy
        [2023-09-22 10:36:04,966] INFO [employees-debezium-mssql-source8\|task-0] Incremental snapshot for table 'my_db.my_schema.employees' will end at position [11] (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:362)
        [2023-09-22 10:36:04,966] INFO [employees-debezium-mssql-source8\|task-0] Incremental snapshot for table 'my_db.my_schema.employees' will end at position [11] (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:362) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:05.024+01:00
        Copy
        [2023-09-22 10:36:05,024] INFO [employees-debezium-mssql-source8\|task-0] 12 records sent during previous 00:19:36.527, last recorded offset of {server=employeesdebezium-mssql, database=my_db} partition is {transaction_id=null, event_serial_no=1, incremental_snapshot_maximum_key=aced0005757200135b4c6a6176612e6c616e672e4f626a6563743b90ce589f1073296c020000787000000001737200116a6176612e6c616e672e496e746567657212e2a0a4f781873802000149000576616c7565787200106a6176612e6c616e672e4e756d62657286ac951d0b94e08b02000078700000000b, commit_lsn=00000036:00000896:0003, change_lsn=00000036:00000896:0002, incremental_snapshot_collections=[{"incremental_snapshot_collections_id":"my_db.my_schema.employees","incremental_snapshot_collections_additional_condition":null,"incremental_snapshot_collections_surrogate_key":"id"}], incremental_snapshot_primary_key=aced000570} (io.debezium.connector.common.BaseSourceTask:195)
        [2023-09-22 10:36:05,024] INFO [employees-debezium-mssql-source8\|task-0] 12 records sent during previous 00:19:36.527, last recorded offset of {server=employeesdebezium-mssql, database=my_db} partition is {transaction_id=null, event_serial_no=1, incremental_snapshot_maximum_key=aced0005757200135b4c6a6176612e6c616e672e4f626a6563743b90ce589f1073296c020000787000000001737200116a6176612e6c616e672e496e746567657212e2a0a4f781873802000149000576616c7565787200106a6176612e6c616e672e4e756d62657286ac951d0b94e08b02000078700000000b, commit_lsn=00000036:00000896:0003, change_lsn=00000036:00000896:0002, incremental_snapshot_collections=[{"incremental_snapshot_collections_id":"my_db.my_schema.employees","incremental_snapshot_collections_additional_condition":null,"incremental_snapshot_collections_surrogate_key":"id"}], incremental_snapshot_primary_key=aced000570} (io.debezium.connector.common.BaseSourceTask:195) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:09.967+01:00
        Copy
        [2023-09-22 10:36:09,967] INFO [employees-debezium-mssql-source8\|task-0] No data returned by the query, incremental snapshotting of table 'my_db.my_schema.employees' finished (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:368)
        [2023-09-22 10:36:09,967] INFO [employees-debezium-mssql-source8\|task-0] No data returned by the query, incremental snapshotting of table 'my_db.my_schema.employees' finished (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:368) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333
         
         
        2023-09-22T11:36:14.963+01:00
        Copy
        [2023-09-22 10:36:14,963] INFO [employees-debezium-mssql-source8\|task-0] Skipping read chunk because snapshot is not running (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:311)
        [2023-09-22 10:36:14,963] INFO [employees-debezium-mssql-source8\|task-0] Skipping read chunk because snapshot is not running (io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource:311) ecs_agora/agora-ecs-dev-kafka-connect/deb4427cbb2248f0a416aa73ef558333

        How to reproduce the issue using our tutorial deployment?

      TBD

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            Unassigned Unassigned
            matthew.coudert Matthew Coudert (Inactive)
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              Created:
              Updated:
              Resolved: