[fpc-pascal] SQL show tables

Martin Friebe fpc at mfriebe.de
Tue Jan 13 11:37:36 CET 2009


Joost van der Sluis wrote:
> Op maandag 12-01-2009 om 13:30 uur [tijdzone -0500], schreef David B
> Copeland:
>
>   
>> "Query: Cannot open a non-select statement"
>>     
>
> 'show tables' is not a valid sql-statement. It is a MySQL-hack. The
> TODBCConnection can not see that it is connected to a MySQL server and
> thus doesn't recognise this statement as a select-statement. If you use
> a TMySQLConnection it will work. You can fill in a bug report to ask if
> TODBCConnection can recognise 'show' as 'select'. We'll have to look
> what kind of effect that has on other (really sql-based)
> database-servers.
>   
If you (the original poster) uses Mysql 5 or up, then "Show tables" is 
not needed. Use the information-schema instead

SELECT table_name FROM INFORMATION_SCHEMA.TABLES  WHERE table_schema = 
'/|db_name|/'




More information about the fpc-pascal mailing list