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Commit 94233837 authored by Neil Conway's avatar Neil Conway
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Update obsolete comment.

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...@@ -10,7 +10,7 @@ ...@@ -10,7 +10,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.54 2005/01/27 23:23:55 neilc Exp $ * $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.55 2005/03/13 05:19:26 neilc Exp $
* *
* DESCRIPTION * DESCRIPTION
* These routines take the parse tree and pick out the * These routines take the parse tree and pick out the
...@@ -300,23 +300,17 @@ compute_attributes_sql_style(List *options, ...@@ -300,23 +300,17 @@ compute_attributes_sql_style(List *options,
/*------------- /*-------------
* Interpret the parameters *parameters and return their contents as * Interpret the parameters *parameters and return their contents via
* *byte_pct_p, etc. * out parameters *isStrict_p and *volatility_p.
* *
* These parameters supply optional information about a function. * These parameters supply optional information about a function.
* All have defaults if not specified. * All have defaults if not specified. Parameters:
*
* Note: currently, only two of these parameters actually do anything:
* *
* * isStrict means the function should not be called when any NULL * * isStrict means the function should not be called when any NULL
* inputs are present; instead a NULL result value should be assumed. * inputs are present; instead a NULL result value should be assumed.
* *
* * volatility tells the optimizer whether the function's result can * * volatility tells the optimizer whether the function's result can
* be assumed to be repeatable over multiple evaluations. * be assumed to be repeatable over multiple evaluations.
*
* The other four parameters are not used anywhere. They used to be
* used in the "expensive functions" optimizer, but that's been dead code
* for a long time.
*------------ *------------
*/ */
static void static void
......
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