Neil Conway <[EMAIL PROTECTED]> writes:
> (3) The parser must distinguish between two cases when it sees an
> unknown word (T_WORD) beginning a statement. The word could be the
> beginning of a SQL statement (stmt_execsql in the grammar), such as:
> UPDATE ...;
> or the name of a function in a function call:
> invoke_func(...);
> The patch currently distinguishes between these cases by looking at the
> next token -- if it is a left parenthesis, the patch assumes it is a
> function call, otherwise it assumes it is a SQL statement. Is this the
> best approach?
That seems fairly unworkable. For example
SELECT (2,3,4);
is valid SQL. Also I'm not sure if you can extend this to cope with
schema-qualified function names.
regards, tom lane
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