Pdo\Pgsql::copyToFile
(PHP 8 >= 8.4.0)
Pdo\Pgsql::copyToFile — Copy data from table into file
说明
   public Pdo\Pgsql::copyToFile(
string
string
string
string
?string
): bool
  string
$tableName,string
$filename,string
$separator = "\t",string
$nullAs = "\\\\N",?string
$fields = null): bool
   Copies data from table into file specified by filename
   using separator as fields delimiter and
   fields list.
  
参数
tableName- String containing table name.
 filename- Filename to export data.
 separator- 
     
      Delimiter used to separate fields in an entry of the
      
rowsarray. nullAs- 
     
      How to interpret SQL 
NULLvalues. fields- List of fields to insert.
 
参见
- Pdo\Pgsql::copyFromFile() - Copy data from file into table
 - Pdo\Pgsql::copyFromArray() - Copy data from a PHP array into a table
 - Pdo\Pgsql::copyToArray() - Copy data from database table into PHP array
 
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