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License: Apache License 2.0
DynamoDB SQL Driver
License: Apache License 2.0
Key condition expressions are processed before filter condition expressions. When using positional placeholders, ordinals for key conditions always get assigned first. The ordering is wrong if key conditions actually appear later on the AST.
Syntax:
/*
When inserting documents, the column definition is omitted. The user can provide JSON literals as documents.
*/
INSERT INTO movies
VALUES ('{"title":"hello","year":2938}'),
('{"title":"foo","year":2938}');
/*
When using placeholders, (?) automatically means list of documents. The user may provide a single item or a slice
of items.
*/
INSERT INTO movies
VALUES (?);
-- NOT SUPPORTED
INSERT INTO movies (title, year)
VALUES ('hello', '2007'),
('foo', '2938');
-- NOT SUPPORTED
INSERT INTO movies (title, year)
VALUES (?, ?);
To respect SQL behavior, INSERT will fail if an item already exists. When more than 1 item is inserted, TransactWriteItem
will be used to transactionally write the entire list of items. BatchWriteItem
will never be used because it can insert only some of the items.
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