WHERE id IN ( which returns a single value being the PrimaryKey of the currently selected row in the table, but that only updates ONE record. This is commonly known as an upsert operation. WHERE id IN ('9a7be3ad-ae74-4518-9214-5fe8424f3644', '8f1ee9ea-76fe-48c1-8928-4f00c935b4d7', '8ac0ca46-35b5-409d-8921-a7f93281c374')īut how do I do it properly using the selected values? I tried this: PostgreSQL lets you either add or modify a record within a table depending on whether the record already exists. If I write a manual SQL query, like this, it works: For example, it is possible to add several columns and/or alter the type of several columns in a single command. Where those values are from the "id" Primary Key column. To change the default value of column, use SET DEFAULT or DROP DEFAULT clause with ALTER TABLE ALTER COLUMN statement. All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. If the column you are adding has the default value set. Note that the lock level required may differ for each subform. You can alter a hypertable, for example to add a column, by using the PostgreSQL ALTER TABLE command. ![]() ![]() There are several subforms described below. I have a table called table11 and if I select 3 rows for example, I see that "SelectedRowKeys" shows all 3 like: Description ALTER TABLE changes the definition of an existing table. ![]() How do I mass update multiple rows from a table where I select several of them? Can't seem to get this to work. I'm using the Retool PostgreSQL database.
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