/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

2 votes332 views1 answer
Command to delete storage logs in laravel
PHP Laravel
0 vote316 views1 answer
Db connection postgres laravel
PHP Laravel
0 vote308 views4 answers
Laravel collection contains
PHP Laravel
11 votes350 views3 answers
How to remove composer package in laravel
PHP Laravel
3 votes311 views3 answers
Laravel notification
PHP Laravel
3 votes323 views3 answers
Laravel make view
PHP Laravel
12 votes340 views4 answers
Laravel get second last record
PHP Laravel
0 vote330 views2 answers
Count with condition laravel
PHP Laravel
1 vote326 views1 answer
Laravel date diff
PHP Laravel
6 votes318 views1 answer
Laravel route param blade
PHP Laravel