/PHP/Laravel/Laravel migration remove unique constraint

Laravel migration remove unique constraint

/** To drop an index you must specify the index's name. 
Laravel assigns a reasonable name to the indexes by default. 
Simply concatenate the table name, the names of the column in the index, 
and the index type **/

// Format of unique key tableName_column_unique
$table->dropUnique('users_email_unique');

Laravel migration remove unique

//The UNique need be a constraint name
// This name has this format:
// [TABLE_NAME]_[COLUMN_NAME]_unique
// For 'users' table and 'user_code' column, whe get the name:
// users_user_code_unique
$table->dropUnique('users_user_code_unique');

//The inverst is 
$table->unique('user_code');

Similar codes

0 vote158 views1 answer
Laravel stack script
PHP Laravel
4 votes141 views2 answers
Laravel collection count
PHP Laravel
0 vote136 views1 answer
Php value to javascript variable laravel blade
PHP Laravel
0 vote166 views3 answers
Convert object to array laravel
PHP Laravel
2 votes221 views1 answer
Extend laravel blade
PHP Laravel
-4 votes141 views1 answer
Alert laravel 7
PHP Laravel
0 vote134 views2 answers
Laravel db insert get last id
PHP Laravel
5 votes138 views6 answers
Laravel sort collection
PHP Laravel
7 votes144 views1 answer
Laravel auth user_id
PHP Laravel
2 votes93 views2 answers
Laravel select query return array
PHP Laravel