Deprecated: Here to not break compatibility since it was once public.

MySQLDataTooLong returns true when the provided error matches the MySQL code for data too long for column (when trying to insert a value that is greater than the defined max size of the column).

MySQLDeadlockFound returns true when the provided error matches the MySQL code for deadlock found.

MySQLUniqueViolation returns true when the provided error matches the MySQL code for duplicate entries (violating a unique table constraint).

New establishes a database connection according to the type and environmental variables for that specific database.

SpannerUniqueViolation returns true when the provided error matches the Spanner code for duplicate entries (violating a unique table constraint).

UniqueViolation returns true when the provided error matches a database error for duplicate entries (violating a unique table constraint).

ErrOpenConnections describes the number of open connections that should have been closed by a call to Close().