Two PostgreSQL data connection methods and operation examples
Two postgreSQL data connection methods and operation examples.
$pg=@pg_connect("host=localhost user=postgres password=sa dbname=employes")
or die("can't connect to database.");
$query="select * from employees order by serial_no";
//$query="insert into employees values(10008,'susan','1985-09-04','80','50')";
$result=@pg_query($pg,$query) or die("can't run query to table.");
//echo pg_num_rows($result); //How many records are output to be queried
//if($result)
//{
//echo "recrods inserted successfully!";
//echo pg_affected_rows($result);//Output how many records have been inserted
//}
//Example 1 [pg_fetch_row]
echo "
";
echo "";
echo "serial_no | ";
echo"name | ";
echo"birthday | ";
echo"
";
for($i=0;$i
{
$row=@pg_fetch_row($result) or die("can't fetch row from table.");
$serial_no= $row[0];
$name= $row[1];
$birthday= $row[2];
echo"
";
echo"$serial_no | ";
echo"$name | ";
echo"$birthday | ";
echo"
";
}
echo"
";
//Example 2 [pg_fetch_array]
//echo "
";
//echo "";
//echo "serial_no | ";
//echo"name | ";
//echo"birthday | ";
//echo"
";
//
//for($i=0;$i
//{
//
//$row=@pg_fetch_array($result) or die("can't fetch row from table.");
//$serial_no= $row['serial_no'];
//$name= $row['name'];
//$birthday= $row['birthday'];
//echo"";
//echo"$serial_no | ";
//echo"$name | ";
//echo"$birthday | ";
//echo"
";
//
//}
//echo"
";
//Add, delete, modify instances
//$newrow=array("serial_no"=>"1006","name"=>"peter","birthday"=>"1990-07-03","salary"=>"90" ,"bonus"=>"80");
//$reusult=@pg_insert($pg,"employes",$newrow) or die("can't insert data to table.");
//if($reusult)
//{
//echo "rechords inserted successfully!";
//}
//
pg_close($pg);
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