PL/pgSQL and variables in deployment scriptsThe major goal is to create idempotent scripts, which the CREATE USER statement doesn't support, that's why we would like to run PL/pgSQL instead, but in ...
Me and my team just started to use sqitch to manage our database project, and we are trying to use PL/pgSQL in the scripts with variables, but we can't make it work. The current script we are trying ...
Any statement in the statement section of a block can be a sub-block. Sub-blocks can be used for logical grouping or to localize variables to a small group of statements. The variables declared in the ...
Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in point the PostgreSQL database and its – Ada-based – PL/pgSQL programming ...
As explained above, the expression in such a statement is evaluated by means of an SQL SELECT command sent to the main database engine. The expression must yield a single value. If the expression's ...