SQLite
UNIQUE ON CONFLICT REPLACE
How ON CONFLICT Works in SQLite Database Guide, SQLite has the ON CONFLICT clause that allows you to specify how to handle constraint conflicts It applies to UNIQUE NOT NULL CHECK and PRIMARY KEY constraints but not FOREIGN KEY constraints There are five possible options you can use with this clause ABORT FAIL IGNORE REPLACE ROLLBACK
SQLite Upsert Using INSERT ON CONFLICT SQL Docs
Summary What is SQLite Upsert The term upsert is a combination of update and insert As the name implies upsert allows us to update a row if it already exists in a table or insert a new row if it doesn t exist The key thing that triggers an upsert is a uniqueness conflict on a specified column or set of columns
UPSERT SQLite, 1 Syntax upsert clause ON CONFLICT indexed column WHERE expr DO conflict target UPDATE SET column name list expr WHERE expr NOTHING column name column name list expr indexed column 2 Description
Dealing with Primary Key Conflicts when Inserting Data in SQLite
Dealing with Primary Key Conflicts when Inserting Data in SQLite, SQLite has a non standard SQL extension clause called ON CONFLICT that enables us to specify how to deal with constraint conflicts In particular the clause applies to UNIQUE NOT NULL CHECK and PRIMARY KEY constraints
SQLite Insert Values
Sqlite upsert from select with conflict does not always update row
Sqlite upsert from select with conflict does not always update row I believe external id refers to the row ID of the column which in this case would have been 2 for the third row So the final query we end up with is INSERT INTO bar key fooID SELECT key foo id FROM foo WHERE foo name three ON CONFLICT key DO UPDATE SET fooID excluded fooID Add a comment
SQLite INSERT Error MIT App Inventor Help MIT App Inventor Community
Upsert clause The INSERT statement comes in three basic forms INSERT INTO table VALUES The first form with the VALUES keyword creates one or more new rows in an existing table If the column name list after table name is omitted then the number of values inserted into each row must be the same as the number of columns in the table INSERT SQLite. For example instead of INSERT ON CONFLICT IGNORE we have INSERT OR IGNORE The keywords change but the meaning of the clause is the same either way The ON CONFLICT clause specifies an algorithm used to resolve constraint conflicts There are five choices ROLLBACK ABORT FAIL IGNORE and REPLACE For the INSERT and UPDATE commands the keywords ON CONFLICT are replaced by OR so that the syntax reads more naturally For example instead of INSERT ON CONFLICT IGNORE we have INSERT OR IGNORE
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