/*** author Alina* date 2021年12月26日 1:48 上午*/
public class SingleLanhan {private SingleLanhan() { }private static SingleLanhan s null;public static SingleLanhan getInstance(){if (s null){synchronized (SingleLanhan.class){if (s null){s new SingleL…
With the following query, we can get a list of column names and datatype of a table in PostgreSQL.解决方案SELECTa.attname as "Column",pg_catalog.format_type(a.atttypid, a.atttypmod) as "Datatype"FROMpg_catalog.pg_attribute aWHEREa.attnu…