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CString 对象可以容纳的最大字符长度是多少?
取决于您的可用内存或 INT_MAX-1(以较小者为准)。
INT_MAX - 1
2,147,483,647 个字符
我知道 \d 仅适用于 psql,我可以使用 psql -E 查看用于实现 \d 的实际 SQL 查询是什么
这是我的例子
\d foo_table ********* QUERY ********** SELECT c.oid, n.nspname, c.relname FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_namespa