postgresql function return table
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 ... ,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 ...,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, or subselect column. If a table function returns a bas,RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... ,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 a base type, the table function produces a one-column ,RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... ,RETURNS rettype | RETURNS TABLE ( column_name column_type [, . ... Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ... , Recommended Books: PostgreSQL 9.0 High Performance and ... SQL and PLPGSQL function RETURNS TABLE - return multiple records.
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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 |