WebMar 3, 2024 · Note. You cannot combine cryptographic operations with other changes in a single ALTER TABLE/ALTER COLUMN statement, except changing the column to NULL or NOT NULL, or changing a collation.For example, you cannot encrypt a column AND change a data type of the column in a single ALTER TABLE/ALTER COLUMN … WebFeb 9, 2024 · Description. ALTER VIEW changes various auxiliary properties of a view. (If you want to modify the view's defining query, use CREATE OR REPLACE VIEW.). You must own the view to use ALTER VIEW.To change a view's schema, you must also have CREATE privilege on the new schema. To alter the owner, you must also be a direct or …
How To Alter a Column Used By A View or Rule · Kagunda JM
WebA table and a view reflect the same field structure and there is a dependency from view over the table. You can solve the this problem in single transaction, A transaction can be used to drop the view first, alter the table and then recreate the view. For example, you have a table users and a view vw_users. BEGIN; DROP VIEW vw_users; ALTER ... WebJul 7, 2024 · The only possible way is to drop and re-create the view. But that is no problem, you can easily get the view definition with the pg_get_viewdef function. If you have a lot of dependent views, take a look at this answer to get all dependent views in the … how to stretch ring
データ型の変更時にハマった話 - Qiita
WebJan 12, 2024 · Before changing the table and column definitions, call the function to save and drop the dependencies, make the definition changes and finally call the function to restore the dependencies. select util.deps_save_and_drop_dependencies ('mdm', 'global_item_master_swap'); alter table mdm.global_item_master_swap alter column … WebSep 25, 2014 · 1 Answer. PostgreSQL (true up to at least 9.4) doesn't currently support removing a column with CREATE OR REPLACE VIEW. The new query must generate the same columns that were generated by the existing view query (that is, the same column names in the same order and with the same data types), but it may add additional … WebMar 20, 2014 · Nope. You cannot update the data type of a table column if it is used by a view. =# create table aa (a varchar(4)); CREATE TABLE =# create view aav as select * … how to stretch rothys