08.09.2017 15:31, Mark Rotteveel wrote:
Isn't this all contained in the SQL specification?
Reading the spec may differ. And we don't follow the standard strictly
sometimes.
3) LATERAL was historically implied for joined stored procedures, e.g.
I suggest 3b
4) LATERAL in nested parenthesis joins, e.g.
Not allowed by the syntax construction in the SQL specification:
In our parser:
%type <recSourceNode> table_primary
table_primary
: table_proc
| derived_table
| '(' joined_table ')'
;
IMHO, it wouldn't look logical to support LATERAL for "table_proc" but
disallow it for "joined table".
Dmitry
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