looks like I omitted psql tab completion from the TABLESAMPLE patch. The attached patch adds it.
Hi Petr,
I'm doing an initial review of this patch.
It applies and compiles cleanly. Code style is consistent with its surroundings.
With the patch applied, psql correctly offers a list of existing tablesample methods for completion whenever the previous word is 'TABLESAMPLE'. I did notice that the syntax of the TABLESAMPLE clause requires brackets after the method name, but the tab completion does not complete the opening bracket. Whereas, say, ALTER FUNCTION does. I think it would be convenient and user-friendly to complete the opening bracket -- it would make it perfectly clear that an argument is required for the syntax to be valid.
