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(PHP 5 >= 5.3.3)
PDO::pgsqlCopyToFile — Copy data from table into file
$table_name
, string $filename
[, string $delimiter
= '\t'
[, string $null_as
= "\\\\N"
[, string $fields
]]] )
Copies data from table into file specified by filename
using delimiter
as fields delimiter and fields
list
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
Returns TRUE
on success, 或者在失败时返回 FALSE
.