Add code to show join rule (for outer and IN joins) in join type name.
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1994-5, Regents of the University of California
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.102 2003/02/09 06:56:26 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.103 2003/02/10 17:06:23 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -308,13 +308,73 @@ explain_outNode(StringInfo str,
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pname = "Append";
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break;
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case T_NestLoop:
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pname = "Nested Loop";
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switch (((NestLoop *) plan)->join.jointype)
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{
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case JOIN_INNER:
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pname = "Nested Loop";
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break;
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case JOIN_LEFT:
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pname = "Nested Loop Left Join";
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break;
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case JOIN_FULL:
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pname = "Nested Loop Full Join";
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break;
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case JOIN_RIGHT:
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pname = "Nested Loop Right Join";
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break;
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case JOIN_IN:
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pname = "Nested Loop IN Join";
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break;
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default:
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pname = "Nested Loop ??? Join";
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break;
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}
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break;
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case T_MergeJoin:
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pname = "Merge Join";
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switch (((MergeJoin *) plan)->join.jointype)
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{
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case JOIN_INNER:
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pname = "Merge Join";
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break;
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case JOIN_LEFT:
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pname = "Merge Left Join";
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break;
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case JOIN_FULL:
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pname = "Merge Full Join";
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break;
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case JOIN_RIGHT:
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pname = "Merge Right Join";
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break;
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case JOIN_IN:
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pname = "Merge IN Join";
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break;
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default:
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pname = "Merge ??? Join";
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break;
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}
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break;
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case T_HashJoin:
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pname = "Hash Join";
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switch (((HashJoin *) plan)->join.jointype)
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{
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case JOIN_INNER:
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pname = "Hash Join";
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break;
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case JOIN_LEFT:
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pname = "Hash Left Join";
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break;
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case JOIN_FULL:
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pname = "Hash Full Join";
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break;
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case JOIN_RIGHT:
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pname = "Hash Right Join";
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break;
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case JOIN_IN:
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pname = "Hash IN Join";
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break;
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default:
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pname = "Hash ??? Join";
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break;
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}
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break;
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case T_SeqScan:
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pname = "Seq Scan";
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