postgresql的ARRAY_TO_STRING

将多列合并成一列

ARRAY_TO_STRING(ARRAY[column1, column2, column3], ' ')" as new_column

将column1, column2, column3合并,通过空格相连,取别名new_column

 
原文地址:https://www.cnblogs.com/angelfan/p/4310349.html