postgresql ifnull
I am working on a project of migrating from MySQL to PostgreSQL, some function can't works well in PostgreSQL like IFNULL function. Some tutorials say ..., What is the equivalent of SQLite's IFNULL() in Postgres? I have to following query (sqlite in Ruby): SELECT ifnull(max(code_id) + 1, 1) FROM configentries ...
| 相關軟體 PostgreSQL (64-bit) 資訊 | |
|---|---|
 postgresql ifnull 相關參考資料
How to make a function use CASE and IFNULL in postgreSQL? - Stack ...
can you tell me how to use CASE and IFNULL in postgre? i'm migrating from sql to postgreSQL, and i want to make a function with this syntax : ... https://stackoverflow.com mysql - IFNULL() Equivalent in PostgreSQL - Stack Overflow
I am working on a project of migrating from MySQL to PostgreSQL, some function can't works well in PostgreSQL like IFNULL function. Some tutorials say ... https://stackoverflow.com postgresql - sqlite IFNULL() in postgres - Stack Overflow
What is the equivalent of SQLite's IFNULL() in Postgres? I have to following query (sqlite in Ruby): SELECT ifnull(max(code_id) + 1, 1) FROM configentries ... https://stackoverflow.com PostgreSQL: Documentation: 8.4: Conditional Expressions
... arguments to the right of the first non-null argument are not evaluated. This SQL-standard function provides capabilities similar to NVL and IFNULL , which are ... https://www.postgresql.org PostgreSQL: Documentation: 9.1: Conditional Expressions
... arguments to the right of the first non-null argument are not evaluated. This SQL-standard function provides capabilities similar to NVL and IFNULL , which are ... https://www.postgresql.org PostgreSQL: Documentation: 9.2: Conditional Expressions
... arguments to the right of the first non-null argument are not evaluated. This SQL-standard function provides capabilities similar to NVL and IFNULL , which are ... https://www.postgresql.org PostgreSQL: Documentation: 9.5: Conditional Expressions
... arguments to the right of the first non-null argument are not evaluated. This SQL-standard function provides capabilities similar to NVL and IFNULL , which are ... https://www.postgresql.org PostgreSQL: IFNULL -> COALESCE
Guys, I've recently being going back over code from Ingres and porting it over to PostgreSQL. Heavy use was made of the IFNULL function, this function simply ... https://www.postgresql.org PostgreSQL: Re: IFNULL -> COALESCE
Christopher Kings-Lynne writes: > lkindness(at)csl(dot)co(dot)uk writes: > > SELECT COALESCE(MAX(id), 0) + 1 from test; > > can be replaced by the following ... https://www.postgresql.org sql server - What is the PostgreSQL equivalent for ISNULL ...
In MS SQL-Server, I can do: SELECT ISNULL(Field,'Empty') from Table But in PostgreSQL I get a syntax error. How do I emulate the ISNULL() functionality ? https://stackoverflow.com |