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Add support for cross-type hashing in hashed subplans (hashed IN/NOT IN cases

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that aren't turned into true joins).  Since this is the last missing bit of
infrastructure, go ahead and fill out the hash integer_ops and float_ops
opfamilies with cross-type operators.  The operator family project is now
DONE ... er, except for documentation ...
This commit is contained in:
Tom Lane
2007-02-06 02:59:15 +00:00
parent b70e536e4d
commit ab05eedecc
11 changed files with 219 additions and 72 deletions

6
src/include/executor/executor.h

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.135 2007/02/02 00:07:03 tgl Exp $
* $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.136 2007/02/06 02:59:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -99,6 +99,10 @@ extern TupleHashTable BuildTupleHashTable(int numCols, AttrNumber *keyColIdx,
extern TupleHashEntry LookupTupleHashEntry(TupleHashTable hashtable,
TupleTableSlot *slot,
bool *isnew);
extern TupleHashEntry FindTupleHashEntry(TupleHashTable hashtable,
TupleTableSlot *slot,
FmgrInfo *eqfunctions,
FmgrInfo *hashfunctions);
/*
* prototypes from functions in execJunk.c