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authorAndres Freund <andres@anarazel.de>2015-08-28 16:24:32 +0200
committerAndres Freund <andres@anarazel.de>2015-08-28 16:27:58 +0200
commitc0f0d8097be17ae7f03fc79f622e9c95026b338a (patch)
tree87cb6b1ea776613f34840dd276db4b25f6f913e2 /src
parentc86762a242b81395d5f72b106adfe371cd33c67e (diff)
downloadpostgresql-c0f0d8097be17ae7f03fc79f622e9c95026b338a.tar.gz
postgresql-c0f0d8097be17ae7f03fc79f622e9c95026b338a.zip
Clarify what some historic terms in rewriteHandler.c mean.
Discussion: 20150827131352.GF2435@awork2.anarazel.de
Diffstat (limited to 'src')
-rw-r--r--src/backend/rewrite/rewriteHandler.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c
index 1734e48241a..5cf9cc7bccc 100644
--- a/src/backend/rewrite/rewriteHandler.c
+++ b/src/backend/rewrite/rewriteHandler.c
@@ -9,6 +9,13 @@
* IDENTIFICATION
* src/backend/rewrite/rewriteHandler.c
*
+ * NOTES
+ * Some of the terms used in this file are of historic nature: "retrieve"
+ * was the PostQUEL keyword for what today is SELECT. "RIR" stands for
+ * "Retrieve-Instead-Retrieve", that is an ON SELECT DO INSTEAD SELECT rule
+ * (which has to be unconditional and where only one rule can exist on each
+ * relation).
+ *
*-------------------------------------------------------------------------
*/
#include "postgres.h"