249 lines
7.6 KiB
PHP
249 lines
7.6 KiB
PHP
<?php
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namespace Illuminate\Database\Console;
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use Illuminate\Database\ConnectionResolverInterface;
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use Illuminate\Database\Schema\Builder;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Number;
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use Symfony\Component\Console\Attribute\AsCommand;
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use function Laravel\Prompts\select;
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#[AsCommand(name: 'db:table')]
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class TableCommand extends DatabaseInspectionCommand
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{
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/**
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* The name and signature of the console command.
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*
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* @var string
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*/
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protected $signature = 'db:table
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{table? : The name of the table}
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{--database= : The database connection}
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{--json : Output the table information as JSON}';
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/**
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* The console command description.
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*
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* @var string
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*/
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protected $description = 'Display information about the given database table';
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/**
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* Execute the console command.
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*
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* @return int
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*/
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public function handle(ConnectionResolverInterface $connections)
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{
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$connection = $connections->connection($this->input->getOption('database'));
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$schema = $connection->getSchemaBuilder();
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$tables = $schema->getTables();
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$tableName = $this->argument('table') ?: select(
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'Which table would you like to inspect?',
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array_column($tables, 'name')
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);
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$table = Arr::first($tables, fn ($table) => $table['name'] === $tableName);
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if (! $table) {
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$this->components->warn("Table [{$table}] doesn't exist.");
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return 1;
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}
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$tableName = $this->withoutTablePrefix($connection, $table['name']);
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$columns = $this->columns($schema, $tableName);
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$indexes = $this->indexes($schema, $tableName);
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$foreignKeys = $this->foreignKeys($schema, $tableName);
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$data = [
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'table' => [
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'name' => $table['name'],
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'columns' => count($columns),
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'size' => $table['size'],
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],
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'columns' => $columns,
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'indexes' => $indexes,
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'foreign_keys' => $foreignKeys,
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];
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$this->display($data);
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return 0;
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}
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/**
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* Get the information regarding the table's columns.
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*
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* @param \Illuminate\Database\Schema\Builder $schema
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* @param string $table
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* @return \Illuminate\Support\Collection
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*/
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protected function columns(Builder $schema, string $table)
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{
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return collect($schema->getColumns($table))->map(fn ($column) => [
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'column' => $column['name'],
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'attributes' => $this->getAttributesForColumn($column),
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'default' => $column['default'],
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'type' => $column['type'],
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]);
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}
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/**
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* Get the attributes for a table column.
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*
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* @param array $column
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* @return \Illuminate\Support\Collection
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*/
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protected function getAttributesForColumn($column)
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{
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return collect([
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$column['type_name'],
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$column['auto_increment'] ? 'autoincrement' : null,
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$column['nullable'] ? 'nullable' : null,
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$column['collation'],
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])->filter();
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}
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/**
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* Get the information regarding the table's indexes.
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*
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* @param \Illuminate\Database\Schema\Builder $schema
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* @param string $table
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* @return \Illuminate\Support\Collection
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*/
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protected function indexes(Builder $schema, string $table)
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{
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return collect($schema->getIndexes($table))->map(fn ($index) => [
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'name' => $index['name'],
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'columns' => collect($index['columns']),
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'attributes' => $this->getAttributesForIndex($index),
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]);
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}
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/**
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* Get the attributes for a table index.
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*
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* @param array $index
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* @return \Illuminate\Support\Collection
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*/
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protected function getAttributesForIndex($index)
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{
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return collect([
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$index['type'],
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count($index['columns']) > 1 ? 'compound' : null,
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$index['unique'] && ! $index['primary'] ? 'unique' : null,
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$index['primary'] ? 'primary' : null,
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])->filter();
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}
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/**
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* Get the information regarding the table's foreign keys.
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*
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* @param \Illuminate\Database\Schema\Builder $schema
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* @param string $table
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* @return \Illuminate\Support\Collection
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*/
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protected function foreignKeys(Builder $schema, string $table)
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{
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return collect($schema->getForeignKeys($table))->map(fn ($foreignKey) => [
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'name' => $foreignKey['name'],
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'columns' => collect($foreignKey['columns']),
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'foreign_schema' => $foreignKey['foreign_schema'],
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'foreign_table' => $foreignKey['foreign_table'],
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'foreign_columns' => collect($foreignKey['foreign_columns']),
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'on_update' => $foreignKey['on_update'],
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'on_delete' => $foreignKey['on_delete'],
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]);
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}
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/**
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* Render the table information.
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*
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* @param array $data
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* @return void
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*/
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protected function display(array $data)
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{
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$this->option('json') ? $this->displayJson($data) : $this->displayForCli($data);
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}
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/**
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* Render the table information as JSON.
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*
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* @param array $data
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* @return void
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*/
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protected function displayJson(array $data)
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{
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$this->output->writeln(json_encode($data));
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}
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/**
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* Render the table information formatted for the CLI.
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*
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* @param array $data
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* @return void
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*/
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protected function displayForCli(array $data)
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{
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[$table, $columns, $indexes, $foreignKeys] = [
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$data['table'], $data['columns'], $data['indexes'], $data['foreign_keys'],
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];
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$this->newLine();
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$this->components->twoColumnDetail('<fg=green;options=bold>'.$table['name'].'</>');
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$this->components->twoColumnDetail('Columns', $table['columns']);
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if ($size = $table['size']) {
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$this->components->twoColumnDetail('Size', Number::fileSize($size, 2));
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}
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$this->newLine();
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if ($columns->isNotEmpty()) {
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$this->components->twoColumnDetail('<fg=green;options=bold>Column</>', 'Type');
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$columns->each(function ($column) {
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$this->components->twoColumnDetail(
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$column['column'].' <fg=gray>'.$column['attributes']->implode(', ').'</>',
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(! is_null($column['default']) ? '<fg=gray>'.$column['default'].'</> ' : '').$column['type']
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);
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});
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$this->newLine();
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}
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if ($indexes->isNotEmpty()) {
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$this->components->twoColumnDetail('<fg=green;options=bold>Index</>');
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$indexes->each(function ($index) {
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$this->components->twoColumnDetail(
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$index['name'].' <fg=gray>'.$index['columns']->implode(', ').'</>',
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$index['attributes']->implode(', ')
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);
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});
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$this->newLine();
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}
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if ($foreignKeys->isNotEmpty()) {
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$this->components->twoColumnDetail('<fg=green;options=bold>Foreign Key</>', 'On Update / On Delete');
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$foreignKeys->each(function ($foreignKey) {
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$this->components->twoColumnDetail(
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$foreignKey['name'].' <fg=gray;options=bold>'.$foreignKey['columns']->implode(', ').' references '.$foreignKey['foreign_columns']->implode(', ').' on '.$foreignKey['foreign_table'].'</>',
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$foreignKey['on_update'].' / '.$foreignKey['on_delete'],
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);
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});
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$this->newLine();
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}
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}
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}
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