Update of /cvsroot/monetdb/sql
In directory sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv22885
Modified Files:
rel.txt
Log Message:
transactions are now first only parsed, and then executed via mal.
Index: rel.txt
===================================================================
RCS file: /cvsroot/monetdb/sql/rel.txt,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- rel.txt 28 Nov 2009 22:57:43 -0000 1.2
+++ rel.txt 13 Dec 2009 20:33:15 -0000 1.3
@@ -13,9 +13,15 @@
-> exps is list of column expressions (also used for aliases)
-> l table function expression
-OUTPUT (card 0!, top of the tree always)
- -> exps is list of output options
- -> l relation to output
+/* Wrapping relational operator, is a big complex top level only
+ operator, which only does DDL kind of statements
+ */
+DDL (card 0!, top of the tree always)
+ -> flags /* OUTPUT, TRANSACTION-types, CREATE/DROP/ALTER* */
+ -> exps For 'OUTPUT' is list of output options
+ For 'transactions' simple flags
+ for CREATE etc full sql string.
+ -> l only used for 'OUTPUT' relation to output
SELECT (card MULTI or same ...?)
-> exps selection expressions (ie all e_cmp)
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