If you have OUTPUT parameters you can do DECLARE @retval int DECLARE @sSQL nvarchar(500); DECLARE @ParmDefinition nvarchar(500); DECLARE @tablename nvarchar(50) SELECT @tablename = N’products’ SELECT @sSQL = N’SELECT @retvalOUT = MAX(ID) FROM ‘ + @tablename; SET @ParmDefinition = N’@retvalOUT int OUTPUT’; EXEC sp_executesql @sSQL, @ParmDefinition, @retvalOUT=@retval OUTPUT; SELECT @retval; But if you don’t, and can … Read more
FrustratedWithFormsDesigner is correct, PL/pgSQL can do this. Here’s the script: CREATE OR REPLACE FUNCTION truncate_tables(username IN VARCHAR) RETURNS void AS $$ DECLARE statements CURSOR FOR SELECT tablename FROM pg_tables WHERE tableowner = username AND schemaname=”public”; BEGIN FOR stmt IN statements LOOP EXECUTE ‘TRUNCATE TABLE ‘ || quote_ident(stmt.tablename) || ‘ CASCADE;’; END LOOP; END; $$ LANGUAGE … Read more
If the list of conditions is not known at compile time and is instead built at run time, you don’t have to worry about whether you have one or more than one condition. You can generate them all like: and <condition> and concatenate them all together. With the 1=1 at the start, the initial and … Read more