Comments (4)
暂时不支持source,只支持left join, 后面几天我会把source支持加上。
from flink-connector-redis.
您的意思是目前不支持只从redis中get数据然后写到其他数据库吗?
还有个疑惑,目前我用redis获取数据并与kafka的数据碰撞,出现了java.lang.ClassNotFoundException报错,即这个类找不到org.apache.flink.calcite.shaded.com.google.common.cache.Cache。
无论是直接用您1.3.1的release版本jar,还是进行去test编译后的依赖包,都有这个提示……
具体脱敏后代码如下:
CREATE DATABASE IF NOT EXISTS test_source;
CREATE DATABASE IF NOT EXISTS test_sink;
CREATE TABLE test_source.test_redis (
redis_key string,
redis_value string
) WITH (
'connector' = 'redis',
'password' = 'XXXXX',
'host' = 'XXXXX',
'port' = 'XXXXX',
'redis-mode' = 'single',
'command'='get',
'maxIdle'='2',
'minIdle'='1',
'lookup.cache.max-rows'='10',
'lookup.cache.ttl'='10',
'lookup.max-retries'='3'
);
CREATE TABLE test_source.test_kafka (
kafka_key varchar(50),
kafka_value varchar(50),
pt AS PROCTIME()
) WITH (
'connector' = 'kafka',
'topic' = 'topicXXXX',
'properties.bootstrap.servers' = 'XXXXX:XXXXX',
'properties.group.id' = 'XXXX',
'scan.startup.mode' = 'latest-offset',
'format' = 'json',
'json.ignore-parse-errors'='true',
'properties.security.protocol' = 'SASL_PLAINTEXT',
'properties.sasl.mechanism' = 'SCRAM-SHA-256',
'properties.sasl.jaas.config' = 'org.apache.flink.kafka.shaded.org.apache.kafka.common.security.scram.ScramLoginModule required username="XXXX" password="XXXX";'
);
CREATE TABLE IF NOT EXISTS test_sink.test_sr_kafka2redis (
sr_key varchar(50),
sr_value varchar(50),
PRIMARY KEY (sr_key) NOT ENFORCED
) WITH (
'connector' = 'starrocks',
'jdbc-url'='jdbc:mysql://XXXXX:XXXXX?characterEncoding=utf-8&useSSL=false&serverTimezone=Asia/Shanghai',
'load-url'='XXXXX:XXXXX',
'sink.properties.strip_outer_array' = 'true',
'sink.properties.format' = 'json',
'database-name' = 'XXXXX',
'username' = 'XXXXX',
'password' = 'XXXXX',
'table-name' = 'test_sr_kafka2redis',
'sink.buffer-flush.interval-ms' = '60000',
'sink.parallelism' = '1'
);
INSERT INTO test_sink.test_sr_kafka2redis
select
k.kafka_key as sr_key,
k.kafka_value as sr_value
from test_source.test_kafka k
left join test_source.test_redis FOR SYSTEM_TIME AS OF k.pt r
on r.redis_key = concat('XXXXX::', k.kafka_key);
from flink-connector-redis.
你的项目没引入这个包:
<dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-table-planner_${scala.binary.version}</artifactId> <version>${flink.version}</version> <scope>provided</scope> </dependency>
from flink-connector-redis.
你的项目没引入这个包:
<dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-table-planner_${scala.binary.version}</artifactId> <version>${flink.version}</version> <scope>provided</scope> </dependency>
谢谢!这个问题确实解决了之前报的错误,但因为之前是有flink-table-planner-loader,这两个包不能同时在lib文件里……
我加入了netty-transport-native-epoll包,但我看编译的时候还有其他的netty包,是都要放进lib环境下吗?
from flink-connector-redis.
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from flink-connector-redis.