clickhouse 查询

查询得到值域:visitParamExtractRaw('{"abc":"\n\u0000"}', 'abc') = "{"abc":"\n\u0000"}";

visitParamExtractString('{"abc":"\n\u0000"}', 'abc') = ' '

content  json 格式 内容  :      {“phone”:'132111111111111','bb':'1234566','cc':'uuuuuuuuuuu'}

表test 查询在content 字段中phone ='132111111111111'的语句是:

select * from  test where  visitParamExtractString(content ,'phone')='132111111111111'

原文地址:https://www.cnblogs.com/miaoer/p/10068455.html