PDO::pgsqlCopyToFile
(PHP 5 >= 5.3.3, PHP 7, PHP 8)
PDO::pgsqlCopyToFile — Copy data from table into file
说明
public PDO::pgsqlCopyToFile
( string
$table_name
, string $filename
, string $delimiter = '\t'
, string $null_as = "\\\\N"
, string $fields = ?
) : bool
Copies data from table into file specified by filename
using delimiter as fields delimiter and fields list
参数
-
table_name -
String containing table name
-
filename -
Filename to export data
-
delimiter -
Delimiter used in file specified by
filename -
null_as -
How to interpret null values
-
fields -
List of fields to insert
返回值
Returns true on success, 或者在失败时返回 false.