[Firebird-checkins] CVS: interbase/jrd cmp.c,1.6,1.7

[Patrick J. P. G. <pat...@us...>]

Update of /cvsroot/firebird/interbase/jrd
In directory slayer.i.sourceforge.net:/tmp/cvs-serv14341/interbase/jrd

Modified Files:
	cmp.c 
Log Message:
Modified Files:
	interbase/jrd/cmp.c 

10/13/2000 

Fix for bug #116579; Generators in computed by columns 
will return wrong results.

If, in an ODS 10 or greater database, the gen_id function is 
included as a part of a computed field and another field 
references it or it is referenced in a select statement, the 
database will become corrupted.  This problem was introduced with 
the change to 64 bit generator values.

The COMPUTED BY clause is being parsed correctly, correct BLR 
is stored in the database, and this BLR is correctly converted 
into execution nodes by jrd/evl.c

During jrd/cmp.c  'copy'  processing, called as a part of 
the pass1 routine, this execution node is modified replacing 
the correct generator number with incorrect values.

These changes fix that problem by causing the correct 
node-copying routine to be invoked.

…pat



Index: cmp.c
===================================================================
RCS file: /cvsroot/firebird/interbase/jrd/cmp.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -r1.6 -r1.7
*** cmp.c	2000/08/30 00:53:40	1.6
--- cmp.c	2000/10/13 05:15:12	1.7
***************
*** 2497,2500 ****
--- 2497,2501 ----
  
      case nod_gen_id:
+     case nod_gen_id2:    /* 20001013 PJPG */
  	node = PAR_make_node (tdbb, e_gen_length);
  	node->nod_count = input->nod_count;