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On . By CodimTh
Category:

Updating Column Attributes in Laravel

 

The change method allows you to modify some existing column types to a new type or modify the column's attributes. For example, you may wish to increase the size of a string column. To see the change method in action, let's increase the size of the name column from 25 to 50:

Schema::table('users', function (Blueprint $table) {
    $table->string('name', 50)->change();
});

We could also modify a column to be nullable:

Schema::table('users', function (Blueprint $table) {
    $table->string('name', 50)->nullable()->change();
});

{note} The following column types can not be "changed": char, double, enum, mediumInteger, timestamp, tinyInteger, ipAddress, json, jsonb, macAddress, mediumIncrements, morphs, nullableMorphs, nullableTimestamps, softDeletes, timeTz, timestampTz, timestamps, timestampsTz, unsignedMediumInteger, unsignedTinyInteger, uuid.

Renaming Columns

To rename a column, you may use the renameColumn method on the Schema builder. Before renaming a column, be sure to add the doctrine/dbal dependency to your composer.json file:

Schema::table('users', function (Blueprint $table) {
    $table->renameColumn('from', 'to');
});

{note} Renaming any column in a table that also has a column of type enum is not currently supported.

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