目前 JDBC connector 只支持 MySQL, Pg和Derby(一般测试用)这几种dialect, Oracle还不支持。
祝好, Leonard > 在 2020年12月17日,09:47,肖越 <18242988...@163.com> 写道: > > pyflink小白,测试pyflink1.12功能,想通过定义connector从oracle数据库中获取数据 > 通过如下方式定义: > env = StreamExecutionEnvironment.get_execution_environment() > env.set_parallelism(1) > env = StreamTableEnvironment \ > .create(env, environment_settings=EnvironmentSettings > .new_instance() > .use_blink_planner().build()) > source_ddl1 = """ > CREATE TABLE source_table (id BIGINT,pf_id VARCHAR,\ > tree_id VARCHAR,node_id VARCHAR,biz_date DATE,\ > ccy_type VARCHAR,cur_id_d VARCHAR,tldrate DOUBLE,\ > is_valid INT,time_mark TIMESTAMP) WITH ( > 'connector.type' = 'jdbc', > 'connector.url' = 'jdbc:oracle:thin:@ip:dbnamel', > 'connector.table' = 'ts_pf_ac_yldrate', > 'connector.driver' = 'oracle.jdbc.driver.OracleDriver', > 'connector.username' = 'xxx', > 'connector.password' = 'xxx') > """ > sql = "select pf_id,biz_date from source_table where biz_date='20160701' " > env.sql_update(source_ddl1) > table = env.sql_query(sql) > env.execute("flink_test") > 报错信息: > raise java_exception > pyflink.util.exceptions.TableException: findAndCreateTableSource failed. > at > org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:49) > at > org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.findAndCreateLegacyTableSource(LegacyCatalogSourceTable.scala:193) > at > org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.toRel(LegacyCatalogSourceTable.scala:94) > at > org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3585) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2507) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2144) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2093) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2050) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:663) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:644) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3438) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:570) > at > org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$rel(FlinkPlannerImpl.scala:165) > at > org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:157) > at > org.apache.flink.table.planner.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:823) > at > org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:795) > at > org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:250) > at > org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78) > at > org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:639) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) > at > org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) > at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282) > at > org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) > at > org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79) > at > org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238) > at java.lang.Thread.run(Thread.java:748)