CodePudding user response:
Check the primary key is composed of which a few fields, remove the insert statement to query again alone do not insert (), and then according to the primary key group, the count, greater than 1 is the problem with the data, as to how to solve, depending on your needsCodePudding user response:
Like a primary key conflict, you can check list is a primary key of the same data to insert your dataCodePudding user response:
The primary key conflict,