Fix create_rule is->as.
This commit is contained in:
Bruce Momjian
parent
7ab88a16a1
commit
8e958b8a38
@ -235,7 +235,7 @@ At the time of publication, the following platforms have been tested:
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<ENTRY>x86</ENTRY>
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<ENTRY>v6.4</ENTRY>
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<ENTRY>1998-10-08</ENTRY>
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<ENTRY>Mostly working with the Cygwin library. No DLLs yet.
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<ENTRY>Working with the Cygwin library.
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(<ulink url="mailto:Dan.Horak@email.cz">Horak Daniel</ulink>) </ENTRY>
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</ROW>
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</TBODY>
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@ -251,11 +251,7 @@ confirmation of such at the time this list was compiled.
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<para>
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For <productname>Windows NT</productname>,
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the server-side port of <productname>Postgres</productname> has recently been
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accomplished. Check
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<ulink url="http://www.askesis.nl/AskesisPostgresIndex.html">the Askesis Postgres Home Page</ulink>
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for up to date information. You may also want to
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look for possible patches on the
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<ulink url="http://postgresql.org">Postgres web site</ulink>.
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accomplished. The Cygnus library is required to compile it.
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</para>
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</note>
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</sect1>
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@ -198,11 +198,11 @@ Without
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<example>
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<title>Example of a circular rewrite rule combination.</title>
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<programlisting>
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create rule bad_rule_combination_1 is
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create rule bad_rule_combination_1 as
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on select to EMP
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do instead select to TOYEMP
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create rule bad_rule_combination_2 is
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create rule bad_rule_combination_2 as
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on select to TOYEMP
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do instead select to EMP
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</programlisting>
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@ -232,7 +232,7 @@ select * from EMP
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Make Sam get the same salary adjustment as Joe:
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<programlisting>
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create rule example_1 is
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create rule example_1 as
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on update EMP.salary where current.name = "Joe"
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do update EMP (salary = new.salary)
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where EMP.name = "Sam"
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@ -248,7 +248,7 @@ create rule example_1 is
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<para>
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Make Bill get Joe's salary when it is accessed:
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<programlisting>
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create rule example_2 is
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create rule example_2 as
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on select to EMP.salary
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where current.name = "Bill"
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do instead
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@ -261,7 +261,7 @@ create rule example_2 is
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department (<function>current_user</function> returns the name of
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the current user):
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<programlisting>
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create rule example_3 is
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create rule example_3 as
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on select to EMP.salary
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where current.dept = "shoe" and current_user = "Joe"
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do instead nothing
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@ -272,7 +272,7 @@ create rule example_3 is
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<programlisting>
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create TOYEMP(name = char16, salary = int4)
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create rule example_4 is
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create rule example_4 as
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on select to TOYEMP
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do instead
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select (EMP.name, EMP.salary) from EMP
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@ -282,7 +282,7 @@ create rule example_4 is
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<para>
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All new employees must make 5,000 or less
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<programlisting>
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create rule example_5 is
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create rule example_5 as
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on insert to EMP where new.salary > 5000
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do update newset salary = 5000
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</programlisting>
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.38 1999/01/25 18:02:15 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.39 1999/02/02 17:46:14 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -235,11 +235,10 @@ union_planner(Query *parse)
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/***S*H***/
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/* Use 'new_tlist' instead of 'tlist' */
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result_plan =
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make_groupPlan(&new_tlist,
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tuplePerGroup,
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parse->groupClause,
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result_plan);
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result_plan = make_groupPlan(&new_tlist,
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tuplePerGroup,
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parse->groupClause,
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result_plan);
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}
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/*
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@ -255,13 +254,12 @@ union_planner(Query *parse)
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result_plan = (Plan *) make_agg(tlist, result_plan);
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/*
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* set the varno/attno entries to the appropriate references to
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* get the varno/attno entries to the appropriate references to
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* the result tuple of the subplans.
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*/
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((Agg *) result_plan)->aggs =
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get_agg_tlist_references((Agg *) result_plan);
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/***S*H***/
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if(parse->havingQual!=NULL)
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{
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@ -299,11 +297,13 @@ union_planner(Query *parse)
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((Agg *) result_plan)->plan.qual=(List *) parse->havingQual;
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/* Check every clause of the havingQual for aggregates used and append
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* them to result_plan->aggs */
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* them to result_plan->aggs
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*/
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foreach(clause, ((Agg *) result_plan)->plan.qual)
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{
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/* Make sure there are aggregates in the havingQual
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* if so, the list must be longer after check_having_qual_for_aggs */
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* if so, the list must be longer after check_having_qual_for_aggs
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*/
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old_length=length(((Agg *) result_plan)->aggs);
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((Agg *) result_plan)->aggs = nconc(((Agg *) result_plan)->aggs,
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.34 1999/01/26 05:57:14 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.35 1999/02/02 17:46:15 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -701,7 +701,7 @@ OperandIsInner(Node *opnd, int inner_relid)
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/*---------------------------------------------------------
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*
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* get_agg_tlist_references -
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* changes the target list of an Agg node so that it points to
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* generates the target list of an Agg node so that it points to
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* the tuples returned by its left tree subplan.
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*
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* We now also generate a linked list of Aggref pointers for Agg.
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@ -1177,8 +1177,7 @@ check_having_qual_for_aggs(Node *clause, List *subplanTargetList, List *groupCla
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foreach(t, ((List *) ((SubLink *) ((SubPlan *)
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((Expr *) clause)->oper)->sublink)->lefthand))
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{
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agg_list =
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nconc(agg_list,
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agg_list = nconc(agg_list,
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check_having_qual_for_aggs(lfirst(t),
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subplanTargetList, groupClause));
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}
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@ -1190,9 +1189,8 @@ check_having_qual_for_aggs(Node *clause, List *subplanTargetList, List *groupCla
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foreach(tmp_ptr, ((SubLink *) ((SubPlan *)
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((Expr *) clause)->oper)->sublink)->oper)
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{
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agg_list =
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nconc(agg_list,
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check_having_qual_for_aggs((Node *) lfirst(((Expr *)
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agg_list = nconc(agg_list,
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check_having_qual_for_aggs((Node *) lfirst(((Expr *)
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lfirst(tmp_ptr))->args),
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subplanTargetList, groupClause));
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}
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@ -1220,9 +1218,8 @@ check_having_qual_for_aggs(Node *clause, List *subplanTargetList, List *groupCla
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*/
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if (contained_in_group_clause)
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{
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agg_list =
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nconc(agg_list,
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check_having_qual_for_aggs(lfirst(t),
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agg_list = nconc(agg_list,
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check_having_qual_for_aggs(lfirst(t),
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subplanTargetList, groupClause));
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}
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else
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@ -1235,7 +1232,6 @@ check_having_qual_for_aggs(Node *clause, List *subplanTargetList, List *groupCla
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}
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else
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{
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/*
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* Ooops! we can not handle that!
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*/
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: planmain.h,v 1.18 1999/01/25 18:02:28 momjian Exp $
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* $Id: planmain.h,v 1.19 1999/02/02 17:46:16 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -51,7 +51,7 @@ extern void add_missing_vars_to_tlist(Query *root, List *tlist);
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*/
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extern void set_tlist_references(Plan *plan);
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extern List *join_references(List *clauses, List *outer_tlist,
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List *inner_tlist);
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List *inner_tlist);
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extern List *index_outerjoin_references(List *inner_indxqual,
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List *outer_tlist, Index inner_relid);
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extern List *get_agg_tlist_references(Agg *aggNode);
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@ -1,6 +1,6 @@
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.\" This is -*-nroff-*-
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.\" XXX standard disclaimer belongs here....
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.\" $Header: /cvsroot/pgsql/src/man/Attic/create_rule.l,v 1.9 1998/06/24 13:21:24 momjian Exp $
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.\" $Header: /cvsroot/pgsql/src/man/Attic/create_rule.l,v 1.10 1999/02/02 17:46:17 momjian Exp $
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.TH "CREATE RULE" SQL 11/05/95 PostgreSQL PostgreSQL
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.SH NAME
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create rule - define a new rule
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@ -124,11 +124,11 @@ Postgres to
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--
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--Example of a circular rewrite rule combination.
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--
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create rule bad_rule_combination_1 is
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create rule bad_rule_combination_1 as
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on select to EMP
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do instead select to TOYEMP
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create rule bad_rule_combination_2 is
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create rule bad_rule_combination_2 as
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on select to TOYEMP
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do instead select to EMP
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@ -146,7 +146,7 @@ access to a class in order to define a rule on it.
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--
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--Make Sam get the same salary adjustment as Joe
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--
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create rule example_1 is
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create rule example_1 as
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on update EMP.salary where current.name = "Joe"
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do update EMP (salary = new.salary)
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where EMP.name = "Sam"
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@ -161,7 +161,7 @@ Joe's salary on to Sam.
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--
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--Make Bill get Joe's salary when it is accessed
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--
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create rule example_2 is
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create rule example_2 as
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on select to EMP.salary
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where current.name = "Bill"
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do instead
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@ -172,7 +172,7 @@ create rule example_2 is
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--Deny Joe access to the salary of employees in the shoe
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--department. (pg_username() returns the name of the current user)
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--
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create rule example_3 is
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create rule example_3 as
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on select to EMP.salary
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where current.dept = "shoe"
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and pg_username() = "Joe"
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@ -184,7 +184,7 @@ create rule example_3 is
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--
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create TOYEMP(name = name, salary = int4)
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create rule example_4 is
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create rule example_4 as
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on select to TOYEMP
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do instead select (EMP.name, EMP.salary) from EMP
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where EMP.dept = "toy"
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@ -193,7 +193,7 @@ create rule example_4 is
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--
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--All new employees must make 5,000 or less
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--
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create rule example_5 is
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create rule example_5 as
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on insert to EMP where new.salary > 5000
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do update newset salary = 5000
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.fi
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