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ruby on rails:多次插入SQLite3 :: SQLException:在“,”附近:語法錯誤:

[英]ruby on rails: multiple insertion SQLite3::SQLException: near “,”: syntax error:

我需要在數據庫中進行多次插入,它一直顯示我一個錯誤

單次插入效果完美:

CONN = ActiveRecord::Base.connection

irb(main):271:0> inserts.push'(1,2,3,4,5,6)'
=> ["(1,2,3,4,5,6)"]

sql="INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES #{inserts.join(", ")}"

irb(main):276:0> CONN.execute sql
   (32.3ms)  INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES (1,2,3,4,5,6)
=> []

多次插入根本不起作用:

irb(main):272:0> inserts.push'(7,8,9,10,11,12)'
=> ["(1,2,3,4,5,6)", "(7,8,9,10,11,12)"]

irb(main):278:0>sql="INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES #{inserts.join(", ")}"
=> "INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES (1,2,3,4,5,6), (7,8,9,10,11,12)"

irb(main):279:0> CONN.execute sql
   (0.4ms)  INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES (1,2,3,4,5,6), (7,8,9,10,11,12)
ActiveRecord::StatementInvalid: SQLite3::SQLException: near ",": syntax error: INSERT INTO signals_rmas (groupsnorm_id, arraydb_id, probeset_id,signal,updated_at,created_at) VALUES (1,2,3,4,5,6), (7,8,9,10,11,12)

問題是什么? 如何在sql中一次插入多個記錄?(創建記錄)在此先感謝

看起來SQLite不支持插入多個記錄。

https://stackoverflow.com/a/5009740/199712

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