6 4 Returning Data from Modified Rows PostgreSQL
Use of RETURNING avoids performing an extra database query to collect the data and is especially valuable when it would otherwise be difficult to identify the modified rows reliably The allowed contents of a RETURNING clause are the same as a SELECT command s output list see Section 7 3
How can I return multiple rows of records in PL pgSQL, CREATE OR REPLACE FUNCTION validation RETURNS RECORD AS DECLARE rec RECORD temp row RECORD BEGIN CREATE TEMPORARY TABLE temp table col1 TEXT col2 INTEGER col3 BOOLEAN ON COMMIT DROP FOR temp row IN SELECT FROM staging validation LOOP RAISE NOTICE sql temp row sql EXECUTE format INSERT INTO temp table s temp
Return more than one row of data from PL pgSQL functions
PostgreSQL 7 3 now supports a much more flexible system for writing set returning functions SRFs that when combined with some of the new function permission options allow a greater flexibility in setting up schemas I assume in this that you already have some experience with writing functions in SQL and PL pgSQL for PostgreSQL
PostgreSQL Documentation 16 9 25 Set Returning Functions, This section describes functions that possibly return more than one row The most widely used functions in this class are series generating functions as detailed in Table 9 65 and Table 9 66 Other more specialized set returning functions are described elsewhere in this manual
38 5 Query Language SQL Functions PostgreSQL
38 5 Query Language SQL Functions PostgreSQL, 38 5 9 SQL Functions Returning Sets When an SQL function is declared as returning SETOF sometype the function s final query is executed to completion and each row it outputs is returned as an element of the result set This feature is normally used when calling the function in the FROM clause
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Returning Multiple Tables from a PostgreSQL Function using Composite Types
Returning Multiple Tables from a PostgreSQL Function using Composite Types The return data type of the function is set to the composite type of the students table with the SETOF modifier stating that a set of items is returned Whenever you create a table a composite type is automatically created with the same name as the table to represent the table s row type postgresql This function returns the
Returning Multiple Values From Functions In C DZone Performance
Line 62 tells PostgreSQL that you have reached the end of the result set and line 64 returns a NULL Datum Lines 67 through 93 take care of returning a single result to the caller Lines 74 through 82 create a text value from a null terminated directory entry actually ignore most of the struct dirent structure and just return the name portion Returning Multiple Values from an Extension Function. Pl pgsql how to return multiple values from a function Hi all I use RETURNS RECORD to return a multiple values from a function as following but it doesn t work at all Or is there any other way to do it Thank you jin advance CREATE OR REPLACE FUNCTION tesP returnRec2 RETURNS INTEGER AS DECLARE rec RECORD BEGIN PostgreSQL Functions return multiple values Help Me I have 3 values returned from 3 different insert queries insert into x field1 values x returning field1 insert into y field2 values field1 from previous query returning field2 insert into x field3 values field2 from previous query returning field3 i want to return them as a
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