When writing PL/pgSQL functions, the syntax highlighting stops working inside the function body if it is defined using the standard PostgreSQL syntax with AS ...

PL/pgSQL, as a fully featured programming language, allows much more procedural control than SQL, including the ability to use loops and other control structures. SQL statements and triggers can call ...

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 ...