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<?php |
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namespace Ubiquity\db\providers\pdo\drivers; |
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/** |
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* Ubiquity\db\providers\pdo\drivers$MysqlDriverMetas |
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* This class is part of Ubiquity |
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* |
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* @author jc |
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* @version 1.0.0 |
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* |
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*/ |
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class MysqlDriverMetas extends AbstractDriverMetaDatas { |
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public function getTablesName(): array { |
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$query = $this->dbInstance->query ( 'SHOW TABLES' ); |
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return $query->fetchAll ( \PDO::FETCH_COLUMN ); |
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} |
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public function getPrimaryKeys(string $tableName): array { |
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$fieldkeys = array (); |
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$recordset = $this->dbInstance->query ( "SHOW KEYS FROM `{$tableName}` WHERE Key_name = 'PRIMARY'" ); |
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$keys = $recordset->fetchAll ( \PDO::FETCH_ASSOC ); |
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foreach ( $keys as $key ) { |
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$fieldkeys [] = $key ['Column_name']; |
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} |
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return $fieldkeys; |
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} |
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public function getForeignKeys(string $tableName, string $pkName, ?string $dbName = null): array { |
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$recordset = $this->dbInstance->query ( "SELECT * |
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FROM |
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information_schema.KEY_COLUMN_USAGE |
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WHERE |
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REFERENCED_TABLE_NAME = '" . $tableName . "' |
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AND REFERENCED_COLUMN_NAME = '" . $pkName . "' |
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AND TABLE_SCHEMA = '" . $dbName . "';" ); |
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return $recordset->fetchAll ( \PDO::FETCH_ASSOC ); |
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} |
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public function getFieldsInfos(string $tableName): array { |
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$fieldsInfos = array (); |
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$recordset = $this->dbInstance->query ( "SHOW COLUMNS FROM `{$tableName}`" ); |
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$fields = $recordset->fetchAll ( \PDO::FETCH_ASSOC ); |
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foreach ( $fields as $field ) { |
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$fieldsInfos [$field ['Field']] = [ "Type" => $field ['Type'],"Nullable" => $field ["Null"] ]; |
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} |
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return $fieldsInfos; |
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} |
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public function getRowNum(string $tableName, string $pkName, string $condition): int { |
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$query = $this->dbInstance->query ( "SELECT num FROM (SELECT *, @rownum:=@rownum + 1 AS num FROM `{$tableName}`, (SELECT @rownum:=0) r ORDER BY {$pkName}) d WHERE " . $condition ); |
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if ($query) { |
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return $query->fetchColumn ( 0 ); |
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} |
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return 0; |
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} |
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public function groupConcat(string $fields, string $separator): string { |
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return "GROUP_CONCAT({$fields} SEPARATOR '{$separator}')"; |
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} |
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} |
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phpMv /
ubiquity
