DbSetup：多個SQL更新

Question

如何添加多個更新sql語句？在這個例子對於那些ID 2,3,4,5

public static final Operation INSERT_LANGUAGE_DATA = 
    Operations.sequenceOf(Operations.insertInto("LANGUAGE") 
     .columns("ID","DWH_CODE", "LANGUAGE" ,"NAME") 
     .values(1, 0, "en", "language.english") 
     .values(2, 7, "cs", "language.czech") 
     .values(3, 1, "de", "language.german") 
     .values(4, 2, "es", "language.spanish") 
     .values(5, 3, "fr", "language.french") 
     .build(), 
     sql("UPDATE CUSTOMER set LANGUAGE_ID = 1 where ID = 1") 
     ); 

Answer 1

您可以按順序添加每個語句：

sql()需要SQL查詢作爲參數。它返回一個Operation。 Operations.sequenceOf()將操作實例作爲參數。

所以，你可以做

Operations.sequenceOf(
    insertInto(...) 
     .columns(...) 
     .values(...) 
     .build(), // first operation of the sequence 
    sql("..."), // second operation of the sequence 
    sql("...")); // third operation of the sequence 

或者你也可以做

Operations.sequenceOf(
    insertInto(...) 
     .columns(...) 
     .values(...) 
     .build(), // first operation of the sequence 
    sql("...", // first SQL statement of the SQL operation 
     "...")); // second SQL statement of the SQL operation 

這就是說，你不應該有語言已經被插入後更新客戶。相反，您應該先插入語言，然後插入客戶，這將直接引用先前創建的語言。