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PHP/PostgreSQLで50 pg_execute
コマンドを作成せずに配列をWHERE節に入れるにはどうしたらいいですか?配列をPHPでX時間を掛けずにPHPのWHERE節に入れるにはPostgres
// to get the question_ids of the newest questions
$result_q_id = pg_prepare($dbconn, "query6", "SELECT question_id
FROM questions
ORDER BY was_sent_at_time
DESC LIMIT 50;"
);
$result_question_id = pg_execute($dbconn, "query6", array());
// to get all question ids
$question_ids = pg_fetch_all($result_question_id);
// to get titles, question_id from the db by using the question ids
$result = pg_prepare($dbconn, "query8", "SELECT title
FROM questions
WHERE question_id = $1 // Problem here! How to get many WHERE's?
ORDER BY was_sent_at_time
DESC LIMIT 50;"
);
$result = pg_execute($dbconn, "query8", array($question_ids));
// Problem here, since it is an array
私は、テキストProblem here
最初の時間を持っている行の次のエラーを取得します。
Warning: pg_execute() [function.pg-execute]: Query failed: ERROR: invalid input syntax for integer: "Array" in /var/www/codes/handlers/handle_questions_by_time.php on line 22
Call Stack
おかげでこのすべてを解決:) –
はどうもありがとうございました! - 私はこの素晴らしいテクニックを完全に忘れていた。 –