如何从全文检索词典中找到一个词组
原文：How to get a list of words from a Full Text Search dictionary

Is there a way to query a dictionary using SQL in PostgreSQL, to get a list of words in that dictionary? I m using Postgres 9.0.

ERROR: function unnest(integer[]) 邮政局不存在。
原文：ERROR: function unnest(integer[]) does not exist in postgresql

SlectT UNNEST(ARRAY[1,2,3,4])