Hive table 属性 将连续的定界符视为一个定界符

Question

jan 18 "value1 is null"
feb  4 "value1 is null"

在上面的数据集中，第二行的第一列和第二列之间有连续的分隔符如何将连续的分隔符作为一个分隔符处理。

Answer 1

create external table mydata 
(
    c1 string
   ,c2 string
   ,c3 string
)
row format serde 'org.apache.hadoop.hive.serde2.RegexSerDe'
with serdeproperties ('input.regex' = '(".*?"|.*?)\s+(".*?"|.*?)\s+(".*?"|.*?)')
location '/user/hive/warehouse/mydata'
;

---

select * from mydata;

---

+-----------+-----------+------------------+
| mydata.c1 | mydata.c2 |    mydata.c3     |
+-----------+-----------+------------------+
| jan       |        18 | "value1 is null" |
| feb       |         4 | "value1 is null" |
+-----------+-----------+------------------+