[HACKERS] Is there any method to keep table in memory at startup

Hi I am working on a project in postgres..in which i designed customized data type and operations on it.it requires a look up table.. I have three options regarding this table... 1. Every time a query is executed it creates table assigns values and after execution destroys it...which is overhead..

[HACKERS] Create Type Problem

Hi I am newbe so this problem may be too simple to be asked.please help me if any new thing to be added in following: I created data type IndChar The c functions are: typedef struct IndChar { int32 len; char c_in_str[1]; }IndChar; then i defined input & output functions. Input: Datum in