45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
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<?php
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namespace common\components\helpers;
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use \yii\db\Connection;
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class TableCreateHelper
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{
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private Connection $db;
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public function __construct(Connection $db)
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{
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$this->db = $db;
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}
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public function createTempTable(string $tableName, array $columns): void
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{
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$collation_settings = '';
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if ($this->db->driverName === 'mysql') {
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$collation_settings = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci';
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}
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$this->db
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->createCommand(
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"CREATE TEMPORARY TABLE IF NOT EXISTS {$this->db->quoteTableName($tableName)}
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( {$this->buildColumns($columns)} ) {$collation_settings};"
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)
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->execute();
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$this->db->createCommand()->truncateTable($tableName)->execute();
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}
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private function buildColumns(array $columns): string
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{
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return implode(
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', ',
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array_map(
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function (string $column_name, string $column_type) {
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return "[[{$column_name}]] {$column_type}";
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},
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array_keys($columns),
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array_values($columns)
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)
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);
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}
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}
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