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Hi,
Le 11 oct. 08 à 08:18, Pavel Stehule a écrit :
I'm not sure about the syntax, but LATERAL is a standard JOIN type
wherein
upper "nodes" are visible.
no, this strange syntax is far to any standard. Solution is using
dynamic cursor ala DB2 (that isn't supported in postgres) - select *
from fce(cursor(select .... from tab))
Yes it's standard notation. SQL2008 has it in Foundation document, see
its grammar reference at page 343 of my PDF reader, labelled page 321
(Query Expressions):
7.6 <table reference>
<table primary> ::=
...
| <lateral derived table> [ AS ] <correlation name>
[ <left paren><derived column list><right paren> ]
...
<lateral derived table> ::=
LATERAL<table subquery>
You'll find out more from http://wiscorp.com/SQLStandards.html
Regards,
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