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我想更新我的一个表,但我得到一个语法错误。例如我的查询:我如何更新Postgres中的表格列?
update micros set tabular = select count (b.the_geom) from trees a, streets b where st_contains(b.the_geom,t.the_geom) group by t.roots;
我收到的错误消息是:
错误:在语法错误或接近“组”