postgresql function return table
To return a table from the function, you use RETURNS TABLE syntax and specify the columns of the table. Each column is separated by a comma (,). In the function, we return a query that is a result of a SELECT statement. , How are you executing that function? It works as a select statement. Create a table: public.users create table public.users (id int, firstname ...
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 postgresql function return table 相關參考資料
Accessing the Return Table in a Postgres Function - Stack Overflow
You cannot change a function's result set after it's sent with RETURN NEXT or RETURN QUERY . But in PostgreSQL, you are not forced to send the whole ... https://stackoverflow.com PLpgSQL Function Returns A Table - PostgreSQL Tutorial
To return a table from the function, you use RETURNS TABLE syntax and specify the columns of the table. Each column is separated by a comma (,). In the function, we return a query that is a result of ... http://www.postgresqltutorial. PLpgSQL functions: How to return table with an execute statement ...
How are you executing that function? It works as a select statement. Create a table: public.users create table public.users (id int, firstname ... https://stackoverflow.com PostgreSQL: Documentation: 7.3: Table Functions
They are used like a table, view, or subselect in the FROM clause of a query. Columns returned by table functions may be included in SELECT, JOIN, or WHERE clauses in the same manner as a table, view,... https://www.postgresql.org PostgreSQL: Documentation: 9.1: CREATE FUNCTION
RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... https://www.postgresql.org PostgreSQL: Documentation: 9.2: Query Language (SQL) Functions
SQL Functions as Table Sources. All SQL functions can be used in the FROM clause of a query, but it is particularly useful for functions returning composite types. If the function is defined to return... https://www.postgresql.org PostgreSQL: Documentation: 9.3: CREATE FUNCTION
RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... https://www.postgresql.org PostgreSQL: Documentation: 9.4: CREATE FUNCTION
RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... https://www.postgresql.org Using RETURNS TABLE vs. OUT parameters - Postgres OnLine Journal
Recommended Books: PostgreSQL 9.0 High Performance and ... SQL and PLPGSQL function RETURNS TABLE - return multiple records. http://www.postgresonline.com |