FM / Grammars

/home/techb158/exp.abdallabala.com/vendor/illuminate/database/Schema/Grammars/

/home/techb158/exp.abdallabala.com/vendor/illuminate/database/Schema/Grammars

Name	Size	Mode	Actions
ChangeColumn.php	6714	0644	edit dl rm
Grammar.php	8587	0644	edit dl rm
MySqlGrammar.php	28875	0644	edit dl rm
PostgresGrammar.php	25260	0644	edit dl rm
RenameColumn.php	2451	0644	edit dl rm
SQLiteGrammar.php	23011	0644	edit dl rm
SqlServerGrammar.php	22622	0644	edit dl rm

Edit: /home/techb158/exp.abdallabala.com/vendor/illuminate/database/Schema/Grammars/ChangeColumn.php (6714B)

<?php

namespace Illuminate\Database\Schema\Grammars;

use RuntimeException;
use Doctrine\DBAL\Types\Type;
use Illuminate\Support\Fluent;
use Doctrine\DBAL\Schema\Table;
use Illuminate\Database\Connection;
use Doctrine\DBAL\Schema\Comparator;
use Illuminate\Database\Schema\Blueprint;
use Doctrine\DBAL\Schema\AbstractSchemaManager as SchemaManager;

class ChangeColumn
{
    /**
     * Compile a change column command into a series of SQL statements.
     *
     * @param  \Illuminate\Database\Schema\Grammars\Grammar  $grammar
     * @param  \Illuminate\Database\Schema\Blueprint  $blueprint
     * @param  \Illuminate\Support\Fluent  $command
     * @param  \Illuminate\Database\Connection $connection
     * @return array
     *
     * @throws \RuntimeException
     */
    public static function compile($grammar, Blueprint $blueprint, Fluent $command, Connection $connection)
    {
        if (! $connection->isDoctrineAvailable()) {
            throw new RuntimeException(sprintf(
                'Changing columns for table "%s" requires Doctrine DBAL; install "doctrine/dbal".',
                $blueprint->getTable()
            ));
        }

$tableDiff = static::getChangedDiff(
            $grammar, $blueprint, $schema = $connection->getDoctrineSchemaManager()
        );

if ($tableDiff !== false) {
            return (array) $schema->getDatabasePlatform()->getAlterTableSQL($tableDiff);
        }

return [];
    }

/**
     * Get the Doctrine table difference for the given changes.
     *
     * @param  \Illuminate\Database\Schema\Grammars\Grammar  $grammar
     * @param  \Illuminate\Database\Schema\Blueprint  $blueprint
     * @param  \Doctrine\DBAL\Schema\AbstractSchemaManager  $schema
     * @return \Doctrine\DBAL\Schema\TableDiff|bool
     */
    protected static function getChangedDiff($grammar, Blueprint $blueprint, SchemaManager $schema)
    {
        $current = $schema->listTableDetails($grammar->getTablePrefix().$blueprint->getTable());

return (new Comparator)->diffTable(
            $current, static::getTableWithColumnChanges($blueprint, $current)
        );
    }

/**
     * Get a copy of the given Doctrine table after making the column changes.
     *
     * @param  \Illuminate\Database\Schema\Blueprint  $blueprint
     * @param  \Doctrine\DBAL\Schema\Table  $table
     * @return \Doctrine\DBAL\Schema\Table
     */
    protected static function getTableWithColumnChanges(Blueprint $blueprint, Table $table)
    {
        $table = clone $table;

foreach ($blueprint->getChangedColumns() as $fluent) {
            $column = static::getDoctrineColumn($table, $fluent);

// Here we will spin through each fluent column definition and map it to the proper
            // Doctrine column definitions - which is necessary because Laravel and Doctrine
            // use some different terminology for various column attributes on the tables.
            foreach ($fluent->getAttributes() as $key => $value) {
                if (! is_null($option = static::mapFluentOptionToDoctrine($key))) {
                    if (method_exists($column, $method = 'set'.ucfirst($option))) {
                        $column->{$method}(static::mapFluentValueToDoctrine($option, $value));
                        continue;
                    }

$column->setCustomSchemaOption($option, static::mapFluentValueToDoctrine($option, $value));
                }
            }
        }

return $table;
    }

/**
     * Get the Doctrine column instance for a column change.
     *
     * @param  \Doctrine\DBAL\Schema\Table  $table
     * @param  \Illuminate\Support\Fluent  $fluent
     * @return \Doctrine\DBAL\Schema\Column
     */
    protected static function getDoctrineColumn(Table $table, Fluent $fluent)
    {
        return $table->changeColumn(
            $fluent['name'], static::getDoctrineColumnChangeOptions($fluent)
        )->getColumn($fluent['name']);
    }

/**
     * Get the Doctrine column change options.
     *
     * @param  \Illuminate\Support\Fluent  $fluent
     * @return array
     */
    protected static function getDoctrineColumnChangeOptions(Fluent $fluent)
    {
        $options = ['type' => static::getDoctrineColumnType($fluent['type'])];

if (in_array($fluent['type'], ['text', 'mediumText', 'longText'])) {
            $options['length'] = static::calculateDoctrineTextLength($fluent['type']);
        }

if (in_array($fluent['type'], ['json', 'binary'])) {
            $options['customSchemaOptions'] = [
                'collation' => '',
            ];
        }

return $options;
    }

/**
     * Get the doctrine column type.
     *
     * @param  string  $type
     * @return \Doctrine\DBAL\Types\Type
     */
    protected static function getDoctrineColumnType($type)
    {
        $type = strtolower($type);

switch ($type) {
            case 'biginteger':
                $type = 'bigint';
                break;
            case 'smallinteger':
                $type = 'smallint';
                break;
            case 'mediumtext':
            case 'longtext':
                $type = 'text';
                break;
            case 'binary':
                $type = 'blob';
                break;
        }

return Type::getType($type);
    }

/**
     * Calculate the proper column length to force the Doctrine text type.
     *
     * @param  string  $type
     * @return int
     */
    protected static function calculateDoctrineTextLength($type)
    {
        switch ($type) {
            case 'mediumText':
                return 65535 + 1;
            case 'longText':
                return 16777215 + 1;
            default:
                return 255 + 1;
        }
    }

/**
     * Get the matching Doctrine option for a given Fluent attribute name.
     *
     * @param  string  $attribute
     * @return string|null
     */
    protected static function mapFluentOptionToDoctrine($attribute)
    {
        switch ($attribute) {
            case 'type':
            case 'name':
                return;
            case 'nullable':
                return 'notnull';
            case 'total':
                return 'precision';
            case 'places':
                return 'scale';
            default:
                return $attribute;
        }
    }

/**
     * Get the matching Doctrine value for a given Fluent attribute.
     *
     * @param  string  $option
     * @param  mixed  $value
     * @return mixed
     */
    protected static function mapFluentValueToDoctrine($option, $value)
    {
        return $option === 'notnull' ? ! $value : $value;
    }
}

cmd: