original_string: public static function getTableColumns(string $schemaName, string $tableName): array
    {
      $sql = sprintf('
  select COLUMN_NAME        as column_name
  ,      COLUMN_TYPE        as column_type
  ,      IS_NULLABLE        as is_nullable
  ,      CHARACTER_SET_NAME as character_set_name
  ,      COLLATION_NAME     as collation_name
  ,      EXTRA              as extra
  from   information_schema.COLUMNS
  where  TABLE_SCHEMA = %s
  and    TABLE_NAME   = %s
  order by ORDINAL_POSITION',
                     self::$dl->quoteString($schemaName),
                     self::$dl->quoteString($tableName));
  
      return self::$dl->executeRows($sql);
    }
code: public static function getTableColumns(string $schemaName, string $tableName): array
    {
      $sql = sprintf('
  select COLUMN_NAME        as column_name
  ,      COLUMN_TYPE        as column_type
  ,      IS_NULLABLE        as is_nullable
  ,      CHARACTER_SET_NAME as character_set_name
  ,      COLLATION_NAME     as collation_name
  ,      EXTRA              as extra
  from   information_schema.COLUMNS
  where  TABLE_SCHEMA = %s
  and    TABLE_NAME   = %s
  order by ORDINAL_POSITION',
                     self::$dl->quoteString($schemaName),
                     self::$dl->quoteString($tableName));
  
      return self::$dl->executeRows($sql);
    }
code_tokens: public static function getTableColumns ( string $ schemaName , string $ tableName ) : array { $ sql = sprintf ( '
  select COLUMN_NAME        as column_name
  ,      COLUMN_TYPE        as column_type
  ,      IS_NULLABLE        as is_nullable
  ,      CHARACTER_SET_NAME as character_set_name
  ,      COLLATION_NAME     as collation_name
  ,      EXTRA              as extra
  from   information_schema.COLUMNS
  where  TABLE_SCHEMA = %s
  and    TABLE_NAME   = %s
  order by ORDINAL_POSITION' , self :: $ dl -> quoteString ( $ schemaName ) , self :: $ dl -> quoteString ( $ tableName ) ) ; return self :: $ dl -> executeRows ( $ sql ) ; }
docstring: Selects metadata of all columns of table.
  
  @param string $schemaName The name of the table schema.
  @param string $tableName  The name of the table.
  
  @return array[]
docstring_tokens: Selects metadata of all columns of table .