【文件属性】:
文件名称:Hive-JSON-Array-UDF:一个UDF从嵌套的JSON数组中检索元素,并作为HiveQL数组返回
文件大小:5KB
文件格式:ZIP
更新时间:2021-05-19 15:24:39
Java
Hive嵌套JSON Arrray UDF
此UDF接收“ JSON字符串”和JSON数组的路径,并收集此路径指定的所有元素(也处理嵌套的JSON数组)。
例子:
假设此JSON在某些表的行中:
{
" request " : {
" user " : " Mario " ,
" location " : " His house. " ,
" siblings " : [ " Luigi " ],
" countries " : [
{
" name " : " USA " ,
" regions " : [ " California " , " New York " , " Washington " ]
},
{
" name " : " Japan " ,
" regions " : [ " Tokyo " ,
【文件预览】:
Hive-JSON-Array-UDF-master
----pom.xml(1KB)
----unformatted_test.json(450B)
----test.json(450B)
----src()
--------main()
----.gitignore(26B)
----README.md(2KB)