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<?php |
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use Doctrine\DBAL\Schema\Index; |
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use Illuminate\Database\Schema\Blueprint; |
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use Illuminate\Support\Facades\Schema; |
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/* |
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* Create an index if it doesn't exist yet |
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*/ |
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Blueprint::macro('createIndexIfNotExists', function ($columns, $name = null, $connection = null) { |
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return $this->hasIndex($columns, $connection) |
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? $this |
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: $this->index($columns, $name ?: $this->createIndexNameByColumns($columns)); |
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}); |
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/* |
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* Check if an index exists |
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*/ |
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Blueprint::macro('hasIndex', function ($columns) { |
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return $this->getIndexNameByColumns($columns) !== null; |
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}); |
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/* |
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* Get an index name by columns |
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*/ |
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Blueprint::macro('getIndexNameByColumns', function ($columns) { |
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if (is_string($columns)) { |
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$columns = [$columns]; |
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} |
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$schemaManager = Schema::getConnection()->getDoctrineSchemaManager(); |
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$indices = $schemaManager->listTableIndexes($this->getTable()); |
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$filteredIndices = collect($indices)->filter(function (Index $index) use ($columns) { |
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return compare_array($index->getColumns(), $columns); |
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}); |
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if ($filteredIndices->isNotEmpty()) { |
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return $filteredIndices->keys()->first(); |
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} |
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return null; |
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}); |
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/* |
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* Create an index name based on columns |
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*/ |
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Blueprint::macro('createIndexNameByColumns', function ($columns) { |
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if (is_string($columns)) { |
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$columns = [$columns]; |
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} |
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$index = $this->createIndexName('index', $columns); |
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if (strlen($index) > 64) { |
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$index = implode('_', $columns); |
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} |
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return $index; |
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}); |
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/* |
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* Drop an index if it exists |
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*/ |
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Blueprint::macro('dropIndexIfExists', function ($columns) { |
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if ($this->hasIndex($columns)) { |
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return $this->dropIndex($this->getIndexNameByColumns($columns)); |
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} |
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return $this; |
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}); |
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if (!function_exists('compare_array')) { |
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/** |
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* @param $arrayA |
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* @param $arrayB |
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* @return bool |
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*/ |
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function compare_array($arrayA, $arrayB): bool |
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{ |
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return ( |
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is_array($arrayA) |
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&& is_array($arrayB) |
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&& count($arrayA) == count($arrayB) |
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&& array_diff($arrayA, $arrayB) === array_diff($arrayB, $arrayA) |
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); |
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} |
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} |
cleaniquecoders /
blueprint-macro
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