postgresql iif function

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postgresql iif function

Although COALESCE , GREATEST , and LEAST are syntactically similar to functions, they are not ordinary functions, and thus cannot be used with explicit ... ,Note: As described in Section 34.6, functions and operators marked IMMUTABLE can ... The COALESCE function returns the first of its arguments that is not null. ,Prev · Up, Chapter 9. Functions and Operators, Next ... The COALESCE function returns the first of its arguments that is not null. Null is returned only if all ... ,RETURN with an expression terminates the function and returns the value of expression to the caller. This form is used for PL/pgSQL functions that do not return a ... ,Prev · Up, Chapter 9. Functions and Operators, Next ... The COALESCE function returns the first of its arguments that is not null. Null is returned only if all ... , CREATE or replace FUNCTION iIF( condition boolean, -- IF condition true_result anyelement, -- THEN false_result anyelement -- ELSE ) RETURNS anyelement AS $f$ SELECT CASE WHEN condition THEN true_result ELSE false_result END $f$ LANGUAGE SQL IMMUTABLE; S, Hi! I'm new in the list (and in PostgreSQL too). I'd like to know if it's posible to perform a function like SQL Server's "iif" in a SELECT query.,if it's posible to perform a function like SQL Server's "iif" > in a SELECT query. Some like: > > SELECT iif (Number=1, "First", "Other") AS Description > FROM ... , From PostgreSQL wiki Some developers are accustomed to some 'Access' (and others db's) functions. One of them is the 'iif' function that works very simple and sometimes add to the query more intelligence. Well, you will surprising to

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postgresql iif function 相關參考資料
Documentation: 12: 9.17. Conditional Expressions - PostgreSQL

Although COALESCE , GREATEST , and LEAST are syntactically similar to functions, they are not ordinary functions, and thus cannot be used with explicit ...

https://www.postgresql.org

Documentation: 8.4: Conditional Expressions - PostgreSQL

Note: As described in Section 34.6, functions and operators marked IMMUTABLE can ... The COALESCE function returns the first of its arguments that is not null.

https://www.postgresql.org

Documentation: 9.1: Conditional Expressions - PostgreSQL

Prev · Up, Chapter 9. Functions and Operators, Next ... The COALESCE function returns the first of its arguments that is not null. Null is returned only if all ...

https://www.postgresql.org

Documentation: 9.1: Control Structures - PostgreSQL

RETURN with an expression terminates the function and returns the value of expression to the caller. This form is used for PL/pgSQL functions that do not return a ...

https://www.postgresql.org

Documentation: 9.2: Conditional Expressions - PostgreSQL

Prev · Up, Chapter 9. Functions and Operators, Next ... The COALESCE function returns the first of its arguments that is not null. Null is returned only if all ...

https://www.postgresql.org

IIF in postgres - Stack Overflow

CREATE or replace FUNCTION iIF( condition boolean, -- IF condition true_result anyelement, -- THEN false_result anyelement -- ELSE ) RETURNS anyelement AS $f$ SELECT CASE WHEN condition THEN true_res...

https://stackoverflow.com

IIF.. - PostgreSQL

Hi! I'm new in the list (and in PostgreSQL too). I'd like to know if it's posible to perform a function like SQL Server's "iif" in a SELECT query.

https://www.postgresql.org

RE: [SQL] IIF.. - PostgreSQL

if it's posible to perform a function like SQL Server's "iif" > in a SELECT query. Some like: > > SELECT iif (Number=1, "First", "Other") AS Description ...

https://www.postgresql.org

Simulating iif function - PostgreSQL wiki

From PostgreSQL wiki Some developers are accustomed to some 'Access' (and others db's) functions. One of them is the 'iif' function that works very simple and sometimes add to the...

https://wiki.postgresql.org