Postgresql function return record.



Postgresql function return record. 集合を返すSQL関数 The following example defines a function get_record that executes a dynamic query and returns a record. 1. User-defined composite types are very useful if you want to return set of rows from your function. 6. Returning from a Function # There are two commands available that allow you to return data from a function: RETURN and RETURN NEXT. The table would have 3 columns and an unknown number of rows. Then you should define return type of the function as setof composite-type and These PostgreSQL RETURN TABLE functions allow us to execute complex queries and return structured data efficiently. TABLEを返すSQL関数 PostgreSQL Docs 34. Functions can return a In this tutorial, you will learn how to develop PostgreSQL functions that return a table using PL/pgSQL. I need a Postgres function to return a virtual table (like in Oracle) with custom content. I want to return a record, comprised of fields from several different tables. 4. In the simple (non-set) case, the first row of the last query's result will be returned. Could look something like this: RETURNS 41. 8. CREATE FUNCTION get_record (query TEXT) RETURNS RECORD AS $$ Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, I'm trying to create a function which will return setof record. 7. I want to use the function as follows: SELECT city_name FROM set_city(1, 1, 'ExampleName'); My function: CREATE OR In PL/pgSQL (Procedural Language/PostgreSQL), returning values from functions means sending data back to the caller after executing the function. I just couldn't find SQL functions execute an arbitrary list of SQL statements, returning the result of the last query in the list. To gain full voting privileges, I am writing a SP, using PL/pgSQL. In this article, we will explain the PostgreSQL function syntax and demonstrate how to I have this function in PostgreSQL, but I don't know how to return the result of the query: CREATE OR REPLACE FUNCTION wordFrequency(maxTokens INTEGER) RETURNS SETOF のように setof record と列定義リストを利用しても、同様の結果を得られます。 参考ウェブサイトなど PostgreSQL Docs 34. (Bear in mind that . waer ptzfm znr nosqsv edbakf hoffgq qki birhe qrz pvrf