So I can see why someone might think they need to know the pseudokey, but they are incorrect.
Seems to me that there is no need to EVER deal with the pseudokeys. (select house_id from houses where address = new.address) Select (select name_id from names where name = new.name),
Insert or ignore into houses (address) select new.address where new.address is not null INSERT INTO table1 (email) SELECT email FROM ( SELECT '' AS email ) AS o WHERE NOT EXISTS ( SELECT FROM table1 WHERE email o.email ) The former is much shorter and staightforward while the latter is much longer and slower, but is standard SQL that should work unchanged on all SQL platforms since about 1985. Insert or ignore into names (name) values (new.name) This method creates a new Order table if it doesnt already exist in your database. Select raise(ABORT, 'Name cannot be NULL') where new.name is null This snippet establishes an in-memory SQLite database connection. Where (peasants.name_id is null or peasants.name_id = names.name_id)Īnd (peasants.house_id is null or peasants.house_id = houses.house_id) Ĭreate trigger ins_person instead of insert into persons You can use Insert (onConflict OnConflictStrategy.REPLACE).
#Sqlight insert if doesnt already exist update#
If your entity is not persisted in the database yet, the update query will not be able to find a row and will not update anything. create table namesĪddress text not null collate nocase unique update will try to update all your fields using the value of the primary key in a where clause. It is actually not needed for anything at all. It also does not really matter what some excrement-head thinks "after the fact" - they can either accept the answer "I don't know" (which by the way is an incorrect answer - the correct answer would be "that information was not recorded").Īnd going back to the post to which you replied, it only appears to the uneducated that there is a need to know the pseudokey for the row. Playing with pseudokeys will not be helpful in this regard. Unless the inserted record contains a timestamp of when it was inserted, there is no way to tell when the record was inserted.
Well, that is a design flaw (failure to store needed information) and has nothing whatsoever to do with the question asked.
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