40 lines
1011 B
MySQL
40 lines
1011 B
MySQL
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-- Common View
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CREATE VIEW IF NOT EXISTS mydb.bro_view
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COMMENT '一个测试视图'
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AS SELECT * FROM mydb.sale_tbl;
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CREATE VIEW mydb.task_view (
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taskId COMMENT '任务id',
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taskName COMMENT '任务名称',
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taskRunTime COMMENT '任务运行时长'
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)
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COMMENT '一个任务信息视图'
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TBLPROPERTIES(
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'author'='hayden'
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)
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AS SELECT DISTINCT id, `name`, runtime
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FROM task_tbl
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WHERE type='day';
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-- Materialized View
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CREATE MATERIALIZED VIEW druid_wiki_mv
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COMMENT '这是一个物化视图'
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STORED AS PARQUET
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AS
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SELECT page, `user`, c_added, c_removed
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FROM src;
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CREATE MATERIALIZED VIEW IF NOT EXISTS mv2
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DISABLE REWRITE
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PARTITIONED ON (lo_revenue)
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ROW FORMAT DELIMITED FIELDS TERMINATED BY ','
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LOCATION '/user/hive/materialized_view'
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TBLPROPERTIES('author'='hayden','desc'='一个物化视图')
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AS
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SELECT lo_revenue,
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lo_extendedprice * lo_discount AS d_price,
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lo_revenue - lo_supplycost AS d_balance
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FROM customer, dates, lineorder, part, supplier
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WHERE lo_orderdate = d_datekey;
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