我想在select子句中使用多个数组。最明显的一个没有工作和PostgreSQL点ROWS FROM() ... select * from unnest(array[1,2], array[3,4]) as (a int, b int);
错误: UNNEST() with multiple arguments cannot have a column definition list
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为什么这个错误即将.. Mar 29, 2013 2:04:26 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [com.jagrut.GroupServlet] in context with path [/jaagrut] threw except