PDO::pgsqlCopyToFile

(PHP 5 >= 5.3.3, PHP 7)

PDO::pgsqlCopyToFile — Copy data from table into file

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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

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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

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Returns TRUE on success, ������ʧ��ʱ���� FALSE.