PDO::pgsqlCopyToFile()
(PHP 5 >= 5.3.3, PHP 7)
Copy data from table into file
说明
public PDO::pgsqlCopyToFile(string $table_name,string $filename[,string $delimiter= 't'[,string $null_as= "N"[,string $fields]]]): bool
Copies data from table into file specified by$filenameusing$delimiteras fields delimiter and$fieldslist
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
.