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  • hive sql 常见异常

    1、union

    Logging initialized using configuration in file:/home/xiaoju/hadoop/apache-hive-1.2.1-bin/conf/hive-log4j.properties
    Added [target/publiclog-serde-1.0-SNAPSHOT-jar-with-dependencies.jar] to class path
    Added resources: [target/publiclog-serde-1.0-SNAPSHOT-jar-with-dependencies.jar]
    FAILED: SemanticException Schema of both sides of union should match.

    原因:union 两边的表必须字段必须一致。

    2、insert into 

    17/02/22 20:15:54 WARN conf.HiveConf: HiveConf of name hive.client.unlimit.users does not exist
    17/02/22 20:15:54 WARN conf.HiveConf: HiveConf of name hive.hadoop.master does not exist

    Logging initialized using configuration in file:/home/xiaoju/hadoop/apache-hive-1.2.1-bin/conf/hive-log4j.properties
    Added [target/publiclog-serde-1.0-SNAPSHOT-jar-with-dependencies.jar] to class path
    Added resources: [target/publiclog-serde-1.0-SNAPSHOT-jar-with-dependencies.jar]
    OK
    Time taken: 0.859 seconds
    OK
    Time taken: 0.291 seconds
    FAILED: SemanticException [Error 10044]: Line 3:18 Cannot insert into target table because column number/types are different ''20'': Table insclause-0 has 1 columns, but query has 2 columns.

    原因:insert into 后跟的结果集的字段类型和个数与表的字段和个数不一致。

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  • 原文地址:https://www.cnblogs.com/likehua/p/6430669.html
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