我有一个csv文件,想将其一部分导入Mysql数据库。
this question,我在Mysql命令行中尝试了此命令

 load data local infile 'mycsv.csv’ into table mytable fields terminated by ',' enclosed by '"' lines terminated by '\n' (entity_ticker,harvested_at, entity_sector,entity_competitors,story_type,story_source,event,entity_sentiment,event_sentiment,event_relevance,entity_relevance,entity_industry)


括号中的是我要放在表格中的列。顺序与我的表相同,但与csv文件不同。

而mysql没有做任何这样的事情:

mysql>  load data local infile '2013first1000.csv’ into table news_dataset fields terminated by ',' enclosed by '"' lines terminated by '\n' (entity_ticker,harvested_at, entity_sector,entity_competitors,story_type,story_source,event,entity_sentiment,event_sentiment,event_relevance,entity_relevance,entity_industry)
    ">
    ">
    ">
    ">


这是我在txt中打开的文件的前两行:


  signal_id,story_id,story_group_id,new_story_group,story_group_count,SOURCE_ID,AUTHOR_ID,story_type,story_source,templated_story_score,story_traffic,story_group_traffic_sum,story_group_exposure,entity_sentiment,event_sentiment,story_sentiment,story_group_sentiment_avg,story_group_sentiment_stdev,ENTITY_NAME,entity_ticker,entity_exchange,entity_relevance,entity_country,entity_indices,entity_industry, entity_region,entity_sector,entity_competitors,ENTITY_TYPE,entity_composite_figi,entity_exch_code,entity_figi,entity_market_sector,entity_security_description,entity_security_type,entity_share_class_figi,entity_unique_id,entity_unique_id_fut_opt,entity_author_republish_score,entity_author_timeliness_score,entity_source_republish_score,entity_source_timeliness_score,事件,event_group,event_relevance,event_author_republish_score,event_author_timeliness_score,event_source_republish_score,event_source_timeliness_score,event_impact_pct_change_avg, event_impact_pct_change_stdev,event_impact_pos,甚至t_impact_neg,event_impact_gt_mu_add_sigma,event_impact_lt_mu_sub_sigma,event_impact_gt_mu_pos_add_sigma_pos,event_impact_lt_mu_neg_sub_sigma_neg,event_impact_gt_mu_pos_add_2sigma_pos,event_impact_lt_mu_neg_sub_2sigma_neg,event_impact_gt_1pct_pos,event_impact_lt_1pct_neg,overall_source_timeliness_score,overall_source_republish_score,overall_author_republish_score,overall_author_timeliness_score,harvested_at
  5a431613914455535dd2f7e3,59a8c0cb631131661f7cca72,629355b4-5ef4-45ab-872a-9fd1809ca49d,f,552,hW9kPL6pMO0suREcwfIObD7SjwY =,A / mu8VqEc7agwge3fb3G33b3Gb3X9E3,31.2b3e3,31.2b3e3,31.2b3e3,31.2a3e3,3a3c3d3,3a3c3d3,3a3c3c3f3e3,3a3c3d3,3b3b3d3,3a3c3d3,3a3c3d3,3b3d3,3b3c3c3c3c3c3c6b6b6b6b6b6e7人
  Corp Ord,SNE,NYSE,100,N / A,[],消费者
  电子/电器,不适用,消费者
  非耐用品,“ [”“ MSFT”“,”“ IBM”“,” INTC“”,“ 4331”“,”“诺基亚”,“ HPQ”“,” DIS“,”“ MSI“”,“” AAPL“”,“” PHG“”]“,US_EQUITY,BBG000BT7ZK6,UN,BBG000BT81N7,Equity,SNE,ADR,BBG001S5W6H8,EQ0010136500009000,,0,70.2,0.9566,40.4852,就业
  动作-一般,就业
  动作,50.8 ,,,,, 0,32.5118 ,,,,,,,,,,,, 53.7511,0.53,0,64.2908,2013-08-01T00:00:03.000Z


你能告诉我怎么做吗?

最佳答案

1)“顺序与我的表相同,但与csv文件不相同。”-使顺序相同,然后使用csv import的目的是什么?
 用这个-

load data local infile 'mycsv.csv' into table mytable fields terminated by ',' enclosed by ' ' lines terminated by '\n'


2)仍然要忽略列-
从Mysql文档:

您也可以通过将输入值分配给用户变量而不将变量分配给表列来丢弃它:

LOAD DATA INFILE 'file.txt'
INTO TABLE t1 (column1, @dummy, column2, @dummy, column3);


3)跳过第一行-使用忽略1行

关于mysql - 通过命令行将某些列从csv导入mysql,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/49305373/

10-12 13:55
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