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<?php |
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|
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namespace Give\Revenue\Migrations; |
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|
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use Give\Framework\Database\DB; |
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use Give\Framework\Migrations\Contracts\Migration; |
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|
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/** |
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* Class RemoveRevenueForeignKeys |
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* |
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* @package Give\Revenue\Migrations |
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* @since 2.9.6 |
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*/ |
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class RemoveRevenueForeignKeys extends Migration |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public static function id() |
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{ |
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return 'remove_revenue_foreign_keys'; |
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} |
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|
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/** |
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* @inheritDoc |
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*/ |
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public function run() |
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{ |
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global $wpdb; |
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|
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$this->dropColumnForeignKeyConstraint($wpdb->give_revenue, 'form_id'); |
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$this->dropColumnForeignKeyConstraint($wpdb->give_revenue, 'donation_id'); |
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} |
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|
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/** |
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* @inheritDoc |
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*/ |
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public static function timestamp() |
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{ |
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return strtotime('01-05-2020 12:45:00'); |
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} |
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|
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/** |
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* Drops the foreign key constraint for a given table and column |
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* |
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* @since 2.9.6 |
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* |
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* @param string $table |
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* @param string $column |
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*/ |
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private function dropColumnForeignKeyConstraint($table, $column) |
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{ |
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$constraintName = DB::get_var( |
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DB::prepare( |
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" |
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SELECT constraints.CONSTRAINT_NAME |
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FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS as constraints |
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JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE as column_usage |
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ON constraints.CONSTRAINT_NAME = column_usage.CONSTRAINT_NAME |
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WHERE constraints.CONSTRAINT_TYPE = 'FOREIGN KEY' |
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AND constraints.TABLE_NAME = %s |
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AND column_usage.COLUMN_NAME = %s |
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", |
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$table, |
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$column |
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) |
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); |
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|
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if ( ! empty($constraintName)) { |
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// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
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DB::query("ALTER TABLE {$table} DROP FOREIGN KEY {$constraintName}"); |
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} |
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} |
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} |
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