Composer Version Change

2024-02-05 00:00:23 +08:00
parent 20678a6a0c
commit 6f751ead83
789 changed files with 135417 additions and 18510 deletions
@@ -0,0 +1,235 @@
+<?php
+
+namespace Illuminate\Database\Schema\Grammars;
+
+use Doctrine\DBAL\Schema\AbstractSchemaManager as SchemaManager;
+use Doctrine\DBAL\Schema\Comparator;
+use Doctrine\DBAL\Schema\Table;
+use Doctrine\DBAL\Types\Type;
+use Illuminate\Database\Connection;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Fluent;
+use RuntimeException;
+
+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. Please install the doctrine/dbal package.',
+                $blueprint->getTable()
+            ));
+        }
+
+        $schema = $connection->getDoctrineSchemaManager();
+        $databasePlatform = $schema->getDatabasePlatform();
+        $databasePlatform->registerDoctrineTypeMapping('enum', 'string');
+
+        $tableDiff = static::getChangedDiff(
+            $grammar, $blueprint, $schema
+        );
+
+        if ($tableDiff !== false) {
+            return (array) $databasePlatform->getAlterTableSQL($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'], ['tinyText', 'text', 'mediumText', 'longText'])) {
+            $options['length'] = static::calculateDoctrineTextLength($fluent['type']);
+        }
+
+        if ($fluent['type'] === 'char') {
+            $options['fixed'] = true;
+        }
+
+        if (static::doesntNeedCharacterOptions($fluent['type'])) {
+            $options['customSchemaOptions'] = [
+                'collation' => '',
+                'charset' => '',
+            ];
+        }
+
+        return $options;
+    }
+
+    /**
+     * Get the doctrine column type.
+     *
+     * @param  string  $type
+     * @return \Doctrine\DBAL\Types\Type
+     */
+    protected static function getDoctrineColumnType($type)
+    {
+        $type = strtolower($type);
+
+        return Type::getType(match ($type) {
+            'biginteger' => 'bigint',
+            'smallinteger' => 'smallint',
+            'tinytext', 'mediumtext', 'longtext' => 'text',
+            'binary' => 'blob',
+            'uuid' => 'guid',
+            'char' => 'string',
+            'double' => 'float',
+            default => $type,
+        });
+    }
+
+    /**
+     * Calculate the proper column length to force the Doctrine text type.
+     *
+     * @param  string  $type
+     * @return int
+     */
+    protected static function calculateDoctrineTextLength($type)
+    {
+        return match ($type) {
+            'tinyText' => 1,
+            'mediumText' => 65535 + 1,
+            'longText' => 16777215 + 1,
+            default => 255 + 1,
+        };
+    }
+
+    /**
+     * Determine if the given type does not need character / collation options.
+     *
+     * @param  string  $type
+     * @return bool
+     */
+    protected static function doesntNeedCharacterOptions($type)
+    {
+        return in_array($type, [
+            'bigInteger',
+            'binary',
+            'boolean',
+            'date',
+            'dateTime',
+            'decimal',
+            'double',
+            'float',
+            'integer',
+            'json',
+            'mediumInteger',
+            'smallInteger',
+            'time',
+            'timestamp',
+            'tinyInteger',
+        ]);
+    }
+
+    /**
+     * Get the matching Doctrine option for a given Fluent attribute name.
+     *
+     * @param  string  $attribute
+     * @return string|null
+     */
+    protected static function mapFluentOptionToDoctrine($attribute)
+    {
+        return match ($attribute) {
+            'type', 'name' => null,
+            'nullable' => 'notnull',
+            'total' => 'precision',
+            'places' => 'scale',
+            default => $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;
+    }
+}