postgresql cast function
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4) . (If no suitable ... ,SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4) . (If no suitable ... ,SELECT CAST(42 AS text);. converts the integer constant 42 to type text by invoking a previously specified function, in this case text(int4). (If no suitable cast has ... ,Select the functions to be considered from the pg_proc system catalog. ... When these conditions are met, the function call is treated as a form of CAST ... ,SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... ,SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... ,SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... ,If the search path finds multiple functions of identical argument types, only the ... When these conditions are met, the function call is treated as a form of CAST ... , , 2016-04-20更新因更新PGSQL 9.4發生的問題，以前integer和char varying ... 型態為integer，兩個值做比對需要改成a = CAST(b AS text) 記錄一下。
| 相關軟體 PostgreSQL (64-bit) 資訊 | |
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 postgresql cast function 相關參考資料
Documentation: 11: CREATE CAST - PostgreSQL
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4) . (If no suitable ... https://www.postgresql.org Documentation: 12: CREATE CAST - PostgreSQL
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4) . (If no suitable ... https://www.postgresql.org Documentation: 8.2: CREATE CAST - PostgreSQL
SELECT CAST(42 AS text);. converts the integer constant 42 to type text by invoking a previously specified function, in this case text(int4). (If no suitable cast has ... https://www.postgresql.org Documentation: 8.3: Functions - PostgreSQL
Select the functions to be considered from the pg_proc system catalog. ... When these conditions are met, the function call is treated as a form of CAST ... https://www.postgresql.org Documentation: 9.1: CREATE CAST - PostgreSQL
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... https://www.postgresql.org Documentation: 9.2: CREATE CAST - PostgreSQL
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... https://www.postgresql.org Documentation: 9.3: CREATE CAST - PostgreSQL
SELECT CAST(42 AS float8);. converts the integer constant 42 to type float8 by invoking a previously specified function, in this case float8(int4). (If no suitable ... https://www.postgresql.org Documentation: 9.4: Functions - PostgreSQL
If the search path finds multiple functions of identical argument types, only the ... When these conditions are met, the function call is treated as a form of CAST ... https://www.postgresql.org PostgreSQL CAST Convert From One Data Type Into Another
https://www.postgresqltutorial [pgsql][轉] 淺談PostgreSQL 類型轉換( CAST) @ 碎碎念:: 隨意 ...
2016-04-20更新因更新PGSQL 9.4發生的問題，以前integer和char varying ... 型態為integer，兩個值做比對需要改成a = CAST(b AS text) 記錄一下。 https://blog.xuite.net |