select查询时，查询出的数据字段为空值时的处理

对其where增加限制条件

leave_things!=''
    或
leave_things!=null

 

TRANSLATE with x English

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Bulgarian	Hindi	Portuguese
Catalan	Hmong Daw	Romanian
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Czech	Italian	Slovenian
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Dutch	Klingon	Swedish
English	Korean	Thai
Estonian	Latvian	Turkish
Finnish	Lithuanian	Ukrainian
French	Malay	Urdu
German	Maltese	Vietnamese
Greek	Norwegian	Welsh
Haitian Creole	Persian

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标签：TRANSLATE,数据字,查询,leave,location,&&,English,document,select
来源： https://www.cnblogs.com/lyj0810/p/16364776.html