I am using psycopg2 (version 2.5.4) to query a PostgreSQL database (version 9.2.7). One of the columns I'm querying is a json type which psycopg2 is documented as being able to handle. However, I'm receiving the following error:I am using psycopg2 (version 2.5.4) to query a
阅读背景：
如何在psycopg2查询中返回json ?
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