Dou*_*ger 3 hadoop user-defined-functions cloudera impala
假设我有一个可变长度的字符串,例如:
'633000000HIQWA4:005160000UT334'
'00YYSKSG004:00YJDJJDA3443'
'300SGDK112WA4:00KFJJD900'
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哪个impala字符串函数用于在:
for之后提取文本,例如:
'005160000UT334'
'00YJDJJDA3443'
'00KFJJD900'
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使用split_part(string source, string delimiter, bigint n)功能。的值n将是因为字段从 1 开始编号。
select split_part('633000000HIQWA4:005160000UT334',':',2);
+----------------------------------------------------+
| split_part('633000000HIQWA4:005160000UT334',':',2) |
+----------------------------------------------------+
| 005160000UT334 |
+----------------------------------------------------+
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