doudi2229 2018-02-26 11:13
浏览 115

在Sybase SQLAnywhere中插入或更新

How can I insert a row in database (Sybase SQL Anywhere 12.5) if it does not exist, and update if it exists?

I'm trying following:

$stmt = $conn->prepare('INSERT INTO customer_info (user_id, fname, lname) VALUES(:user_id, :fname, :lname)
    ON DUPLICATE KEY UPDATE fname= :fname2, lname= :lname2');

$stmt->bindParam(':user_id', $user_id);  
$stmt->bindParam(':fname', $_POST['fname'], PDO::PARAM_STR);
$stmt->bindParam(':lname', $_POST['lname'], PDO::PARAM_STR);      
$stmt->bindParam(':fname2', $_POST['fname'], PDO::PARAM_STR);
$stmt->bindParam(':lname2', $_POST['lname'], PDO::PARAM_STR);

It gives following error:

[Sybase][ODBC Driver][SQL Anywhere]Syntax error near 'ON' on line 1

Is it some compatibility issue? How can I do it it?

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2条回答 默认 最新

  • dongwei9365 2018-02-26 11:25
    关注

    You should read into REPLACE INTO

    an example syntax for this would be:

    REPLACE INTO my_table (pk_id, col1) VALUES (5, '123');
    

    This automatically identifies the primary key and finds a matching row to update, inserting a new one if none is found.

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