/PHP/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 vote176 views2 answers
Drupal set message
PHP Drupal
0 vote113 views1 answer
Php run cron evey hour
PHP
7 votes132 views4 answers
$errors show this error in laravel
PHP Laravel
0 vote116 views1 answer
Php if else wordpress
PHP
0 vote111 views1 answer
Basic Syntax
PHP
0 vote120 views1 answer
Show sender name laravel
PHP
1 vote75 views1 answer
Laravel model find one
PHP
1 vote122 views2 answers
Add laravel sail build as alias
PHP
0 vote113 views1 answer
Laravel self
PHP
1 vote160 views1 answer
What is lang in laravel
PHP Laravel