postgresql set variable to query result
This executes a SELECT query and discards the result. PL/pgSQL variables are substituted in the query as usual. Also, the special variable FOUND is set to true ... ,The result of a SQL command yielding a single row (possibly of multiple columns) can be assigned to a record variable, row-type variable, or list of scalar variables. This is done by writing the base SQL command and adding an INTO clause. For example, SEL
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 postgresql set variable to query result 相關參考資料
42.5. 基本語法 - PostgreSQL 正體中文使用手冊
Also, the special variable FOUND is set to true if the query produced at least ... A SQL command that can return rows, such as SELECT , will be rejected as an ... https://docs.postgresql.tw Documentation: 7.3: Basic Statements - PostgreSQL
This executes a SELECT query and discards the result. PL/pgSQL variables are substituted in the query as usual. Also, the special variable FOUND is set to true ... https://www.postgresql.org Documentation: 9.3: Basic Statements - PostgreSQL
The result of a SQL command yielding a single row (possibly of multiple columns) can be assigned to a record variable, row-type variable, or list of scalar variables. This is done by writing the base ... https://www.postgresql.org Documentation: 9.5: Basic Statements - PostgreSQL
Also, the special variable FOUND is set to true if the query produced at least one row ... If a row or a variable list is used as target, the query's result columns must ... https://www.postgresql.org How to declare a variable in a PostgreSQL query - Stack ...
2013年5月15日 — It allows you to return a table of temporary values. WITH master_user AS ( SELECT login, registration_date FROM users WHERE ... ) ... https://stackoverflow.com How to store the select statement output into variable thro ...
Declare variable set = select, This probably sounds like a really stupid question, but how do I declare a variable for used in a PostgreSQL 9.3 query? CREATE or ... https://www.xspdf.com PLpgSQL SELECT INTO Statement Explained By Examples
Introduction to PL/pgSQL Select Into statement. The select into statement allows you to select data from the database and assign the data to a variable. The ... https://www.postgresqltutorial Postgresql assign mutliple row query result to variable and ...
The usual approach is to return a rowset using returns table . The client calling the function can then print it. The function itself continues to run after the return . https://dba.stackexchange.com Postgresql function, result set into variable - Stack Overflow
You can use a temporary table: begin create temp table tt as select id from product where... row_ct = (select count(*) from tt); return query select * from tt; if row_ct ... https://stackoverflow.com Store query result in a variable using in PLpgSQL - Stack ...
2012年9月8日 — How to assign the result of a query to a variable in PL/pgSQL, the procedural language of PostgreSQL? I have a function: CREATE OR REPLACE ... https://stackoverflow.com |