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Add code to show join rule (for outer and IN joins) in join type name.

This commit is contained in:
Tom Lane 2003-02-10 17:06:23 +00:00
parent c5ba16a83c
commit ec8f0e82ef
1 changed files with 64 additions and 4 deletions
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68
src/backend/commands/explain.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.102 2003/02/09 06:56:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.103 2003/02/10 17:06:23 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -308,13 +308,73 @@ explain_outNode(StringInfo str,
pname = "Append";
break;
case T_NestLoop:
pname = "Nested Loop";
switch (((NestLoop *) plan)->join.jointype)
{
case JOIN_INNER:
pname = "Nested Loop";
break;
case JOIN_LEFT:
pname = "Nested Loop Left Join";
break;
case JOIN_FULL:
pname = "Nested Loop Full Join";
break;
case JOIN_RIGHT:
pname = "Nested Loop Right Join";
break;
case JOIN_IN:
pname = "Nested Loop IN Join";
break;
default:
pname = "Nested Loop ??? Join";
break;
}
break;
case T_MergeJoin:
pname = "Merge Join";
switch (((MergeJoin *) plan)->join.jointype)
{
case JOIN_INNER:
pname = "Merge Join";
break;
case JOIN_LEFT:
pname = "Merge Left Join";
break;
case JOIN_FULL:
pname = "Merge Full Join";
break;
case JOIN_RIGHT:
pname = "Merge Right Join";
break;
case JOIN_IN:
pname = "Merge IN Join";
break;
default:
pname = "Merge ??? Join";
break;
}
break;
case T_HashJoin:
pname = "Hash Join";
switch (((HashJoin *) plan)->join.jointype)
{
case JOIN_INNER:
pname = "Hash Join";
break;
case JOIN_LEFT:
pname = "Hash Left Join";
break;
case JOIN_FULL:
pname = "Hash Full Join";
break;
case JOIN_RIGHT:
pname = "Hash Right Join";
break;
case JOIN_IN:
pname = "Hash IN Join";
break;
default:
pname = "Hash ??? Join";
break;
}
break;
case T_SeqScan:
pname = "Seq Scan";