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Further tweaking of parsetree & plantree representation of SubLinks.

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Simplify SubLink by storing just a List of operator OIDs, instead of
a list of incomplete OpExprs --- that was a bizarre and bulky choice,
with no redeeming social value since we have to build new OpExprs
anyway when forming the plan tree.
This commit is contained in:
Tom Lane
2003-01-10 21:08:15 +00:00
parent 36ea26793a
commit e69785debf
17 changed files with 407 additions and 246 deletions
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6
src/backend/nodes/readfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.145 2003/01/09 20:50:51 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.146 2003/01/10 21:08:11 tgl Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@ -531,10 +531,10 @@ _readSubLink(void)
READ_LOCALS(SubLink);
READ_ENUM_FIELD(subLinkType, SubLinkType);
READ_BOOL_FIELD(operIsEquals);
READ_BOOL_FIELD(useOr);
READ_NODE_FIELD(lefthand);
READ_NODE_FIELD(oper);
READ_NODE_FIELD(operName);
READ_INTLIST_FIELD(operOids);
READ_NODE_FIELD(subselect);
READ_DONE();