Hi Rex, you still forgot
'debezium-json.schema-include' = true Please reread my mail. On Mon, Aug 31, 2020 at 7:55 PM Rex Fenley <r...@remind101.com> wrote: > Thanks for the input, though I've certainly included a schema as is > reflected earlier in this thread. Including here again > ... > tableEnv.executeSql(""" > CREATE TABLE topic_addresses ( > -- schema is totally the same to the MySQL "addresses" table > id INT, > customer_id INT, > street STRING, > city STRING, > state STRING, > zip STRING, > type STRING, > PRIMARY KEY (id) NOT ENFORCED > ) WITH ( > 'connector' = 'kafka', > 'topic' = 'dbserver1.inventory.addresses', > 'properties.bootstrap.servers' = 'flink-jdbc-test_kafka_1:9092', > 'properties.group.id' = 'testGroup', > 'format' = 'debezium-json' -- using debezium-json as the format > ) > """) > > val table = tableEnv.from("topic_addresses").select($"*") > ... > > On Mon, Aug 31, 2020 at 2:39 AM Arvid Heise <ar...@ververica.com> wrote: > >> Hi Rex, >> >> the connector expects a value without a schema, but the message contains >> a schema. You can tell Flink that the schema is included as written in the >> documentation [1]. >> >> CREATE TABLE topic_products ( >> -- schema is totally the same to the MySQL "products" table >> id BIGINT, >> name STRING, >> description STRING, >> weight DECIMAL(10, 2)) WITH ( >> 'connector' = 'kafka', >> 'topic' = 'products_binlog', >> 'properties.bootstrap.servers' = 'localhost:9092', >> 'properties.group.id' = 'testGroup', >> 'format' = 'debezium-json', >> 'debezium-json.schema-include' = true) >> >> @Jark Wu <imj...@gmail.com> , it would be probably good to make the >> connector more robust and catch these types of misconfigurations. >> >> [1] >> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/connectors/formats/debezium.html#how-to-use-debezium-format >> >> On Fri, Aug 28, 2020 at 11:56 PM Rex Fenley <r...@remind101.com> wrote: >> >>> Awesome, so that took me a step further. When running i'm receiving an >>> error however. FYI, my docker-compose file is based on the Debezium mysql >>> tutorial which can be found here >>> https://debezium.io/documentation/reference/1.2/tutorial.html >>> >>> Part of the stack trace: >>> >>> flink-jobmanager_1 | Caused by: java.io.IOException: Corrupt >>> Debezium JSON message >>> '{"schema":{"type":"struct","fields":[{"type":"struct","fields":[{"type":"int32","optional":false,"field":"id"},{"type":"int32","optional":false,"field":"customer_id"},{"type":"string","optional":false,"field":"street"},{"type":"string","optional":false,"field":"city"},{"type":"string","optional":false,"field":"state"},{"type":"string","optional":false,"field":"zip"},{"type":"string","optional":false,"name":"io.debezium.data.Enum","version":1,"parameters":{"allowed":"SHIPPING,BILLING,LIVING"},"field":"type"}],"optional":true,"name":"dbserver1.inventory.addresses.Value","field":"before"},{"type":"struct","fields":[{"type":"int32","optional":false,"field":"id"},{"type":"int32","optional":false,"field":"customer_id"},{"type":"string","optional":false,"field":"street"},{"type":"string","optional":false,"field":"city"},{"type":"string","optional":false,"field":"state"},{"type":"string","optional":false,"field":"zip"},{"type":"string","optional":false,"name":"io.debezium.data.Enum","version":1,"parameters":{"allowed":"SHIPPING,BILLING,LIVING"},"field":"type"}],"optional":true,"name":"dbserver1.inventory.addresses.Value","field":"after"},{"type":"struct","fields":[{"type":"string","optional":false,"field":"version"},{"type":"string","optional":false,"field":"connector"},{"type":"string","optional":false,"field":"name"},{"type":"int64","optional":false,"field":"ts_ms"},{"type":"string","optional":true,"name":"io.debezium.data.Enum","version":1,"parameters":{"allowed":"true,last,false"},"default":"false","field":"snapshot"},{"type":"string","optional":false,"field":"db"},{"type":"string","optional":true,"field":"table"},{"type":"int64","optional":false,"field":"server_id"},{"type":"string","optional":true,"field":"gtid"},{"type":"string","optional":false,"field":"file"},{"type":"int64","optional":false,"field":"pos"},{"type":"int32","optional":false,"field":"row"},{"type":"int64","optional":true,"field":"thread"},{"type":"string","optional":true,"field":"query"}],"optional":false,"name":"io.debezium.connector.mysql.Source","field":"source"},{"type":"string","optional":false,"field":"op"},{"type":"int64","optional":true,"field":"ts_ms"},{"type":"struct","fields":[{"type":"string","optional":false,"field":"id"},{"type":"int64","optional":false,"field":"total_order"},{"type":"int64","optional":false,"field":"data_collection_order"}],"optional":true,"field":"transaction"}],"optional":false,"name":"dbserver1.inventory.addresses.Envelope"},"payload":{"before":null,"after":{"id":18,"customer_id":1004,"street":"111 >>> cool street","city":"Big >>> City","state":"California","zip":"90000","type":"BILLING"},"source":{"version":"1.2.1.Final","connector":"mysql","name":"dbserver1","ts_ms":1598651432000,"snapshot":"false","db":"inventory","table":"addresses","server_id":223344,"gtid":null,"file":"mysql-bin.000010","pos":369,"row":0,"thread":5,"query":null},"op":"c","ts_ms":1598651432407,"transaction":null}}'. >>> flink-jobmanager_1 | at >>> org.apache.flink.formats.json.debezium.DebeziumJsonDeserializationSchema.deserialize(DebeziumJsonDeserializationSchema.java:136) >>> ~[flink-json-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internals.KafkaDeserializationSchemaWrapper.deserialize(KafkaDeserializationSchemaWrapper.java:56) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.partitionConsumerRecordsHandler(KafkaFetcher.java:181) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.runFetchLoop(KafkaFetcher.java:141) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:755) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:201) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | Caused by: java.lang.NullPointerException >>> flink-jobmanager_1 | at >>> org.apache.flink.formats.json.debezium.DebeziumJsonDeserializationSchema.deserialize(DebeziumJsonDeserializationSchema.java:115) >>> ~[flink-json-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internals.KafkaDeserializationSchemaWrapper.deserialize(KafkaDeserializationSchemaWrapper.java:56) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.partitionConsumerRecordsHandler(KafkaFetcher.java:181) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.runFetchLoop(KafkaFetcher.java:141) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:755) >>> ~[?:?] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> flink-jobmanager_1 | at >>> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:201) >>> ~[flink-dist_2.12-1.11.1.jar:1.11.1] >>> >>> On Thu, Aug 27, 2020 at 8:12 PM Jark Wu <imj...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> This is a known issue in 1.11.0, and has been fixed in 1.11.1. >>>> >>>> >>>> Best, >>>> Jark >>>> >>>> On Fri, 28 Aug 2020 at 06:52, Rex Fenley <r...@remind101.com> wrote: >>>> >>>>> Hi again! >>>>> >>>>> I'm tested out locally in docker on Flink 1.11 first to get my >>>>> bearings before downgrading to 1.10 and figuring out how to replace the >>>>> Debezium connector. However, I'm getting the following error >>>>> ``` >>>>> Provided trait [BEFORE_AND_AFTER] can't satisfy required trait >>>>> [ONLY_UPDATE_AFTER]. This is a bug in planner, please file an issue. >>>>> ``` >>>>> >>>>> Any suggestions for me to fix this? >>>>> >>>>> code: >>>>> >>>>> val bsEnv = StreamExecutionEnvironment.getExecutionEnvironment >>>>> val blinkStreamSettings = >>>>> EnvironmentSettings >>>>> .newInstance() >>>>> .useBlinkPlanner() >>>>> .inStreamingMode() >>>>> .build() >>>>> val tableEnv = StreamTableEnvironment.create(bsEnv, >>>>> blinkStreamSettings) >>>>> >>>>> // Table from Debezium mysql example docker: >>>>> // >>>>> +-------------+-------------------------------------+------+-----+---------+----------------+ >>>>> // | Field | Type | Null | Key | Default | Extra | >>>>> // >>>>> +-------------+-------------------------------------+------+-----+---------+----------------+ >>>>> // | id | int(11) | NO | PRI | NULL | auto_increment | >>>>> // | customer_id | int(11) | NO | MUL | NULL | | >>>>> // | street | varchar(255) | NO | | NULL | | >>>>> // | city | varchar(255) | NO | | NULL | | >>>>> // | state | varchar(255) | NO | | NULL | | >>>>> // | zip | varchar(255) | NO | | NULL | | >>>>> // | type | enum('SHIPPING','BILLING','LIVING') | NO | | NULL | | >>>>> // >>>>> +-------------+-------------------------------------+------+-----+---------+----------------+ >>>>> >>>>> tableEnv.executeSql(""" >>>>> CREATE TABLE topic_addresses ( >>>>> -- schema is totally the same to the MySQL "addresses" table >>>>> id INT, >>>>> customer_id INT, >>>>> street STRING, >>>>> city STRING, >>>>> state STRING, >>>>> zip STRING, >>>>> type STRING, >>>>> PRIMARY KEY (id) NOT ENFORCED >>>>> ) WITH ( >>>>> 'connector' = 'kafka', >>>>> 'topic' = 'dbserver1.inventory.addresses', >>>>> 'properties.bootstrap.servers' = 'flink-jdbc-test_kafka_1:9092', >>>>> 'properties.group.id' = 'testGroup', >>>>> 'format' = 'debezium-json' -- using debezium-json as the format >>>>> ) >>>>> """) >>>>> >>>>> val table = tableEnv.from("topic_addresses").select($"*") >>>>> >>>>> // Defining a PK automatically puts it in Upsert mode, which we want. >>>>> // TODO: type should be a keyword, is that acceptable by the DDL? >>>>> tableEnv.executeSql(""" >>>>> CREATE TABLE ESAddresses ( >>>>> id INT, >>>>> customer_id INT, >>>>> street STRING, >>>>> city STRING, >>>>> state STRING, >>>>> zip STRING, >>>>> type STRING, >>>>> PRIMARY KEY (id) NOT ENFORCED >>>>> ) WITH ( >>>>> 'connector' = 'elasticsearch-7', >>>>> 'hosts' = 'http://flink-jdbc-test_graph-elasticsearch_1:9200', >>>>> 'index' = 'flinkaddresses', >>>>> 'format' = 'json' >>>>> ) >>>>> """) >>>>> >>>>> table.executeInsert("ESAddresses").print() >>>>> >>>>> Thanks! >>>>> >>>>> On Thu, Aug 27, 2020 at 11:53 AM Rex Fenley <r...@remind101.com> wrote: >>>>> >>>>>> Thanks! >>>>>> >>>>>> On Thu, Aug 27, 2020 at 5:33 AM Jark Wu <imj...@gmail.com> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> Regarding the performance difference, the proposed way will have one >>>>>>> more stateful operator (deduplication) than the native 1.11 cdc support. >>>>>>> The overhead of the deduplication operator is just similar to a >>>>>>> simple group by aggregate (max on each non-key column). >>>>>>> >>>>>>> Best, >>>>>>> Jark >>>>>>> >>>>>>> On Tue, 25 Aug 2020 at 02:21, Rex Fenley <r...@remind101.com> wrote: >>>>>>> >>>>>>>> Thank you so much for the help! >>>>>>>> >>>>>>>> On Mon, Aug 24, 2020 at 4:08 AM Marta Paes Moreira < >>>>>>>> ma...@ververica.com> wrote: >>>>>>>> >>>>>>>>> Yes — you'll get the full row in the payload; and you can also >>>>>>>>> access the change operation, which might be useful in your case. >>>>>>>>> >>>>>>>>> About performance, I'm summoning Kurt and @Jark Wu >>>>>>>>> <j...@apache.org> to the thread, who will be able to give you a >>>>>>>>> more complete answer and likely also some optimization tips for your >>>>>>>>> specific use case. >>>>>>>>> >>>>>>>>> Marta >>>>>>>>> >>>>>>>>> On Fri, Aug 21, 2020 at 8:55 PM Rex Fenley <r...@remind101.com> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> Yup! This definitely helps and makes sense. >>>>>>>>>> >>>>>>>>>> The 'after' payload comes with all data from the row right? So >>>>>>>>>> essentially inserts and updates I can insert/replace data by pk and >>>>>>>>>> null >>>>>>>>>> values I just delete by pk, and then I can build out the rest of my >>>>>>>>>> joins >>>>>>>>>> like normal. >>>>>>>>>> >>>>>>>>>> Are there any performance implications of doing it this way that >>>>>>>>>> is different from the out-of-the-box 1.11 solution? >>>>>>>>>> >>>>>>>>>> On Fri, Aug 21, 2020 at 2:28 AM Marta Paes Moreira < >>>>>>>>>> ma...@ververica.com> wrote: >>>>>>>>>> >>>>>>>>>>> Hi, Rex. >>>>>>>>>>> >>>>>>>>>>> Part of what enabled CDC support in Flink 1.11 was the >>>>>>>>>>> refactoring of the table source interfaces (FLIP-95 [1]), and the >>>>>>>>>>> new >>>>>>>>>>> ScanTableSource [2], which allows to emit bounded/unbounded streams >>>>>>>>>>> with >>>>>>>>>>> insert, update and delete rows. >>>>>>>>>>> >>>>>>>>>>> In theory, you could consume data generated with Debezium as >>>>>>>>>>> regular JSON-encoded events before Flink 1.11 — there just wasn't a >>>>>>>>>>> convenient way to really treat it as "changelog". As a workaround, >>>>>>>>>>> what you >>>>>>>>>>> can do in Flink 1.10 is process these messages as JSON and extract >>>>>>>>>>> the >>>>>>>>>>> "after" field from the payload, and then apply de-duplication [3] >>>>>>>>>>> to keep >>>>>>>>>>> only the last row. >>>>>>>>>>> >>>>>>>>>>> The DDL for your source table would look something like: >>>>>>>>>>> >>>>>>>>>>> CREATE TABLE tablename ( *... * after ROW(`field1` DATATYPE, >>>>>>>>>>> `field2` DATATYPE, ...) ) WITH ( 'connector' = 'kafka', 'format' >>>>>>>>>>> = 'json', ... ); >>>>>>>>>>> Hope this helps! >>>>>>>>>>> >>>>>>>>>>> Marta >>>>>>>>>>> >>>>>>>>>>> [1] >>>>>>>>>>> https://cwiki.apache.org/confluence/display/FLINK/FLIP-95%3A+New+TableSource+and+TableSink+interfaces >>>>>>>>>>> [2] >>>>>>>>>>> https://ci.apache.org/projects/flink/flink-docs-release-1.11/api/java/org/apache/flink/table/connector/source/ScanTableSource.html >>>>>>>>>>> [3] >>>>>>>>>>> https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/table/sql/queries.html#deduplication >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Fri, Aug 21, 2020 at 10:28 AM Chesnay Schepler < >>>>>>>>>>> ches...@apache.org> wrote: >>>>>>>>>>> >>>>>>>>>>>> @Jark Would it be possible to use the 1.11 debezium support in >>>>>>>>>>>> 1.10? >>>>>>>>>>>> >>>>>>>>>>>> On 20/08/2020 19:59, Rex Fenley wrote: >>>>>>>>>>>> >>>>>>>>>>>> Hi, >>>>>>>>>>>> >>>>>>>>>>>> I'm trying to set up Flink with Debezium CDC Connector on AWS >>>>>>>>>>>> EMR, however, EMR only supports Flink 1.10.0, whereas Debezium >>>>>>>>>>>> Connector >>>>>>>>>>>> arrived in Flink 1.11.0, from looking at the documentation. >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-flink.html >>>>>>>>>>>> >>>>>>>>>>>> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/connectors/formats/debezium.html >>>>>>>>>>>> >>>>>>>>>>>> I'm wondering what alternative solutions are available for >>>>>>>>>>>> connecting Debezium to Flink? Is there an open source Debezium >>>>>>>>>>>> connector >>>>>>>>>>>> that works with Flink 1.10.0? Could I potentially pull the code >>>>>>>>>>>> out for the >>>>>>>>>>>> 1.11.0 Debezium connector and compile it in my project using Flink >>>>>>>>>>>> 1.10.0 >>>>>>>>>>>> api? >>>>>>>>>>>> >>>>>>>>>>>> For context, I plan on doing some fairly complicated long lived >>>>>>>>>>>> stateful joins / materialization using the Table API over data >>>>>>>>>>>> ingested >>>>>>>>>>>> from Postgres and possibly MySQL. >>>>>>>>>>>> >>>>>>>>>>>> Appreciate any help, thanks! >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> >>>>>>>>>>>> Rex Fenley | Software Engineer - Mobile and Backend >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> Remind.com <https://www.remind.com/> | BLOG >>>>>>>>>>>> <http://blog.remind.com/> | FOLLOW US >>>>>>>>>>>> <https://twitter.com/remindhq> | LIKE US >>>>>>>>>>>> <https://www.facebook.com/remindhq> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> >>>>>>>>>> Rex Fenley | Software Engineer - Mobile and Backend >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Remind.com <https://www.remind.com/> | BLOG >>>>>>>>>> <http://blog.remind.com/> | FOLLOW US >>>>>>>>>> <https://twitter.com/remindhq> | LIKE US >>>>>>>>>> <https://www.facebook.com/remindhq> >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> >>>>>>>> Rex Fenley | Software Engineer - Mobile and Backend >>>>>>>> >>>>>>>> >>>>>>>> Remind.com <https://www.remind.com/> | BLOG >>>>>>>> <http://blog.remind.com/> | FOLLOW US >>>>>>>> <https://twitter.com/remindhq> | LIKE US >>>>>>>> <https://www.facebook.com/remindhq> >>>>>>>> >>>>>>> >>>>>> >>>>>> -- >>>>>> >>>>>> Rex Fenley | Software Engineer - Mobile and Backend >>>>>> >>>>>> >>>>>> Remind.com <https://www.remind.com/> | BLOG >>>>>> <http://blog.remind.com/> | FOLLOW US >>>>>> <https://twitter.com/remindhq> | LIKE US >>>>>> <https://www.facebook.com/remindhq> >>>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Rex Fenley | Software Engineer - Mobile and Backend >>>>> >>>>> >>>>> Remind.com <https://www.remind.com/> | BLOG <http://blog.remind.com/> >>>>> | FOLLOW US <https://twitter.com/remindhq> | LIKE US >>>>> <https://www.facebook.com/remindhq> >>>>> >>>> >>> >>> -- >>> >>> Rex Fenley | Software Engineer - Mobile and Backend >>> >>> >>> Remind.com <https://www.remind.com/> | BLOG <http://blog.remind.com/> >>> | FOLLOW US <https://twitter.com/remindhq> | LIKE US >>> <https://www.facebook.com/remindhq> >>> >> >> >> -- >> >> Arvid Heise | Senior Java Developer >> >> <https://www.ververica.com/> >> >> Follow us @VervericaData >> >> -- >> >> Join Flink Forward <https://flink-forward.org/> - The Apache Flink >> Conference >> >> Stream Processing | Event Driven | Real Time >> >> -- >> >> Ververica GmbH | Invalidenstrasse 115, 10115 Berlin, Germany >> >> -- >> Ververica GmbH >> Registered at Amtsgericht Charlottenburg: HRB 158244 B >> Managing Directors: Timothy Alexander Steinert, Yip Park Tung Jason, Ji >> (Toni) Cheng >> > > > -- > > Rex Fenley | Software Engineer - Mobile and Backend > > > Remind.com <https://www.remind.com/> | BLOG <http://blog.remind.com/> | > FOLLOW US <https://twitter.com/remindhq> | LIKE US > <https://www.facebook.com/remindhq> > -- Arvid Heise | Senior Java Developer <https://www.ververica.com/> Follow us @VervericaData -- Join Flink Forward <https://flink-forward.org/> - The Apache Flink Conference Stream Processing | Event Driven | Real Time -- Ververica GmbH | Invalidenstrasse 115, 10115 Berlin, Germany -- Ververica GmbH Registered at Amtsgericht Charlottenburg: HRB 158244 B Managing Directors: Timothy Alexander Steinert, Yip Park Tung Jason, Ji (Toni) Cheng