Fields terminated by 是什么意思
WebFeb 1, 2024 · 默认的分隔符: hive 默认的字段分隔符为ascii码的控制符\001,建表的时候用fields terminated by ‘\001’,如果要测试的话,造数据在vi 打开文件里面,用ctrl+v然后 … Webfields terminated by '字符串':设置字符串为字段之间的分隔符,可以为单个或多个字符,默认情况下为制表符‘\t’。 fields [optionally] enclosed by '字符':设置字符来括上 char、varchar 和 text 等字符型字段。如果使用了 optionally 则只能用来括上 char 和 varchar 等字符型字段。
Fields terminated by 是什么意思
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WebAug 23, 2006 · fields terminated by whitespace -- fields terminated by x'09' (deptno, dname, loc ) begindata 10 sales virginia 3 ***** 指定不装载那一列 load data infile * into … WebApr 25, 2024 · --fields-terminated-by 导出文件的列分隔符,导出的列包含复杂的文本字段,则必须使用 \001 作为分隔符,这是由于 sqoop 只会替换 \n, \r, \001 字符,如果分隔符为 \t 且文本字段中包含 \t,就会导致列错位--num-mappers 并发的任务数量。建议设置为 1 减少 …
http://www.ichacha.net/terminated.html WebSep 26, 2013 · load data. append into table test1. fields terminated by "," optionally enclosed by '"'. trailing nullcols. (a, b , c) 这段话啥意思啊 请指点一下啊. load, data, append, table.
http://blog.itpub.net/29840459/viewspace-1680593/ WebYou probably need to set the FIELDS TERMINATED BY ',' or whatever the delimiter happens to be. For a CSV file, your statement should look like this: LOAD DATA INFILE 'data.csv' INTO TABLE tbl_name FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n' IGNORE 1 LINES; Share.
WebMay 13, 2024 · 但是区别是hive可以通过row format delimited fields terminated by '\t'这个语句来指定不同的分隔符,但是hive不能够通过LINES TERMINATED BY '$$'来指定行分 …
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