We believe that Doctrine should actually omit this query entirely on DBMSes which do not support partial unique constraints, as the query that is generated does not enforce the same logic as the ...

It seems that Comparator class doesn't look into implicit indexes when diffing two tables. Just to clarify, I'm using DBAL and Migrations packages without ORM, and "manually" building schema using ...

In mysql, the unique constraint is used to uniquely identify each record in a table.unique constraint on create tablethe following statement creates a unique constraint on the "id" column when the ...

In mysql, the primary key constraint is used to uniquely identify each record in a table.primary key contains unique values only and the column defined as primary key column can not be null. a table ...