PostgreSQL doesn't have any built-in UPSERT (or MERGE ) facility, and doing it efficiently in the face of concurrent use is very difficult. ... <看更多>

PostgreSQL : Upsert | Course | 2019 ... PostgreSQL is a general purpose and object-relational database ... ... <看更多>

Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE. ... <看更多>

When doing upserts in PostgreSQL 9.5+ you must refer to the excluded data (that which failed to insert) by the alias excluded . Also, the on conflict option ... ... <看更多>

背景PostgreSQL 9.5 引入了一项新功能，UPSERT(insert on conflict do)，当插入遇到约束错误时，直接返回，或者改为执行UPDATE。 ... <看更多>

upsert, 在MySQL，PostgreSQL和SQLite3上，更新使用INSERT或者IGNORE，透明地为MySQL和PostgreSQL创建函数( UDF ) ；. Epictetus•分享于 17年11月17日. ... <看更多>