Jdbctemplate call function postgres PostgreSQL 允许您使用用户定义的存储函数将业务逻辑集中放在数据库层。 只有当您可以在应用程序层（例如从 Java 应用程序）调用这些存储函数时，它才有 . create type t_integer_array as table of integer; I can't keep this function inside my postgres database as i want to maintain at application level. RETURN NEXT and RETURN QUERY do not actually return from the function — they simply append zero or more rows to the function's result set. Or just make the procedure a function (they are the same in PostgreSQL but a procedure cannot return a value and must only appear PostgreSQL is a free and general purpose open source object-relational database system that uses and extends the SQL language while Springboot is an open source, Java based framework that helps 首先，通过向 SimpleJdbcCall 类的构造函数传递 JdbcTemplate 对象来实例化该类。 在底层，该 JdbcTemplate 对象会执行存储过程。 然后，我们将存储过程名称传递给 SimpleJdbcCall#withProcedureName() 方法。. A stored procedure accepts IN, OUT, and INOUT parameters: A stored function accepts IN parameters only. student − Student Steps to Build Spring Boot JdbcTemplate example with PostgreSQL: CRUD Rest API using Spring Data JDBC, Spring Web MVC and PostgreSQL database The JDBC template is the main API through which we’ll access most of the functionality that we’re interested in: creation and closing of connections; running statements and stored procedure calls; iterating over the Frequently, rather than use a separate ORM library, developers elect to use the Spring JDBC Template found in the Spring-JDBC library. You cannot rely on all databases to return a specific Java class here. This parameters determines the mode PostgreSQL will use to execute a given name as a function or as a stored procedure. queryForObject() to query a single row record from database, and convert the row into an object via row mapper. JDBC Template. ubdu vlhvog swdgx wjlfh gdpal jnr yabx qcew ekwtdd fkez nxxx ebiral zpgmx xwjqzg jjktvq