postgresql set variable to query result
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 ... ,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,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 ... ,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 ... ) ... ,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 ... ,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 ... ,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 . ,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 ... ,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 ...
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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 |