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  • 关于phoenix构建hbase视图,更新hbase表后,视图表是否更新的验证

    1:创建表

    create 'MY_TABLE', 'CF1','CF2'
    

    2:在hbase上插入一条数据

    put 'MY_TABLE','1' ,'CF1:V1', 'uwo1'

    3:在phoenix上创建视图

    create view MY_TABLE (PK  varchar primary key, CF1.V1 varchar, CF2.V2 varchar, CF1.V3 varchar);

    4:查询phoenix的视图

    0: jdbc:phoenix:df1:2181> select * from MY_TABLE;
    +-----+-------+-----+-----+
    | PK  |  V1   | V2  | V3  |
    +-----+-------+-----+-----+
    | 1   | uwo1  |     |     |
    +-----+-------+-----+-----+

    5:向hbase在插入一条数据

    put 'MY_TABLE','1' ,'CF1:V3', '10'

    此时hbase中有2条数据,然后再次插入phoenix的视图:

    0: jdbc:phoenix:df1:2181> select * from MY_TABLE;
    +-----+-------+-----+-----+
    | PK  |  V1   | V2  | V3  |
    +-----+-------+-----+-----+
    | 1   | uwo1  |     | 10  |
    +-----+-------+-----+-----+
    1 row selected (0.018 seconds)

    仍然只有1条数据。说明:phoenix构建hbase视图,更新hbase表后,视图表是不会更新的

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  • 原文地址:https://www.cnblogs.com/niutao/p/11157110.html
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