Revert some changes from the INTERSECT/EXPECT patch that broke
rule system semantics by having Var nodes referenced across multiple parsetrees when rules split them. Added more tests to the rules regression test. The code in question resulted from v6.3 based development and was a little careless applied to the v6.5 source tree. Jan
This commit is contained in:
Jan Wieck
parent
bd422fbce2
commit
566c712c58
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@ -6,7 +6,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.27 1999/02/03 21:17:07 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.28 1999/02/08 01:39:45 wieck Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -496,8 +496,9 @@ AddQual(Query *parsetree, Node *qual)
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return;
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/***S*I***/
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/* copy = copyObject(qual); */
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copy = qual;
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/* INTERSECT want's the original, but we need to copy - Jan */
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/* copy = qual; */
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copy = copyObject(qual);
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old = parsetree->qual;
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if (old == NULL)
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@ -518,8 +519,9 @@ AddHavingQual(Query *parsetree, Node *havingQual)
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return;
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/***S*I***/
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copy = havingQual;
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/* copy = copyObject(havingQual); */
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/* INTERSECT want's the original, but we need to copy - Jan */
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/* copy = havingQual; */
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copy = copyObject(havingQual);
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old = parsetree->havingQual;
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if (old == NULL)
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@ -537,8 +539,9 @@ AddNotHavingQual(Query *parsetree, Node *havingQual)
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return;
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/***S*I***/
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/* copy = (Node *)make_notclause( (Expr *)copyObject(havingQual)); */
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copy = (Node *) make_notclause((Expr *)havingQual);
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/* INTERSECT want's the original, but we need to copy - Jan */
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/* copy = (Node *) make_notclause((Expr *)havingQual); */
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copy = (Node *)make_notclause( (Expr *)copyObject(havingQual));
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AddHavingQual(parsetree, copy);
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}
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@ -552,8 +555,9 @@ AddNotQual(Query *parsetree, Node *qual)
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return;
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/***S*I***/
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/* copy = (Node *) make_notclause((Expr *)copyObject(qual)); */
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copy = (Node *) make_notclause((Expr *)qual);
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/* INTERSECT want's the original, but we need to copy - Jan */
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/* copy = (Node *) make_notclause((Expr *)qual); */
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copy = (Node *) make_notclause((Expr *)copyObject(qual));
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AddQual(parsetree, copy);
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}
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@ -1052,9 +1056,14 @@ nodeHandleViewRule(Node **nodePtr,
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* will run into troubles using aggregates (aggno will not
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* be set correctly
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*/
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/* pfree(lfirst(((Expr *) lfirst(sublink->oper))->args)); */
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pfree(lfirst(((Expr *) lfirst(sublink->oper))->args));
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lfirst(((Expr *) lfirst(sublink->oper))->args) =
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lfirst(sublink->lefthand);
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/***S*I***/
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/* INTERSECT want's this - Jan */
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/*
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tmp_lefthand = sublink->lefthand;
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foreach(tmp_oper, sublink->oper)
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{
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@ -1062,6 +1071,7 @@ nodeHandleViewRule(Node **nodePtr,
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lfirst(tmp_lefthand);
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tmp_lefthand = lnext(tmp_lefthand);
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}
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*/
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}
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break;
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default:
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@ -849,3 +849,218 @@ p4 | 15
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p6 | 11.176
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(5 rows)
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QUERY: CREATE TABLE shoe_data (
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shoename char(10),
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sh_avail integer,
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slcolor char(10),
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slminlen float,
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slmaxlen float,
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slunit char(8)
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);
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QUERY: CREATE TABLE shoelace_data (
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sl_name char(10),
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sl_avail integer,
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sl_color char(10),
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sl_len float,
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sl_unit char(8)
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);
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QUERY: CREATE TABLE unit (
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un_name char(8),
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un_fact float
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);
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QUERY: CREATE VIEW shoe AS
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SELECT sh.shoename,
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sh.sh_avail,
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sh.slcolor,
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sh.slminlen,
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sh.slminlen * un.un_fact AS slminlen_cm,
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sh.slmaxlen,
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sh.slmaxlen * un.un_fact AS slmaxlen_cm,
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sh.slunit
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FROM shoe_data sh, unit un
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WHERE sh.slunit = un.un_name;
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QUERY: CREATE VIEW shoelace AS
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SELECT s.sl_name,
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s.sl_avail,
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s.sl_color,
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s.sl_len,
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s.sl_unit,
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s.sl_len * u.un_fact AS sl_len_cm
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FROM shoelace_data s, unit u
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WHERE s.sl_unit = u.un_name;
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QUERY: CREATE VIEW shoe_ready AS
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SELECT rsh.shoename,
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rsh.sh_avail,
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rsl.sl_name,
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rsl.sl_avail,
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int4smaller(rsh.sh_avail, rsl.sl_avail) AS total_avail
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FROM shoe rsh, shoelace rsl
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WHERE rsl.sl_color = rsh.slcolor
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AND rsl.sl_len_cm >= rsh.slminlen_cm
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AND rsl.sl_len_cm <= rsh.slmaxlen_cm;
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QUERY: INSERT INTO unit VALUES ('cm', 1.0);
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QUERY: INSERT INTO unit VALUES ('m', 100.0);
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QUERY: INSERT INTO unit VALUES ('inch', 2.54);
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QUERY: INSERT INTO shoe_data VALUES ('sh1', 2, 'black', 70.0, 90.0, 'cm');
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QUERY: INSERT INTO shoe_data VALUES ('sh2', 0, 'black', 30.0, 40.0, 'inch');
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QUERY: INSERT INTO shoe_data VALUES ('sh3', 4, 'brown', 50.0, 65.0, 'cm');
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QUERY: INSERT INTO shoe_data VALUES ('sh4', 3, 'brown', 40.0, 50.0, 'inch');
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QUERY: INSERT INTO shoelace_data VALUES ('sl1', 5, 'black', 80.0, 'cm');
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QUERY: INSERT INTO shoelace_data VALUES ('sl2', 6, 'black', 100.0, 'cm');
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QUERY: INSERT INTO shoelace_data VALUES ('sl3', 0, 'black', 35.0 , 'inch');
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QUERY: INSERT INTO shoelace_data VALUES ('sl4', 8, 'black', 40.0 , 'inch');
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QUERY: INSERT INTO shoelace_data VALUES ('sl5', 4, 'brown', 1.0 , 'm');
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QUERY: INSERT INTO shoelace_data VALUES ('sl6', 0, 'brown', 0.9 , 'm');
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QUERY: INSERT INTO shoelace_data VALUES ('sl7', 7, 'brown', 60 , 'cm');
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QUERY: INSERT INTO shoelace_data VALUES ('sl8', 1, 'brown', 40 , 'inch');
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QUERY: SELECT * FROM shoelace;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl1 | 5|black | 80|cm | 80
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sl2 | 6|black | 100|cm | 100
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sl7 | 7|brown | 60|cm | 60
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sl3 | 0|black | 35|inch | 88.9
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sl4 | 8|black | 40|inch | 101.6
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sl8 | 1|brown | 40|inch | 101.6
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sl5 | 4|brown | 1|m | 100
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sl6 | 0|brown | 0.9|m | 90
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(8 rows)
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QUERY: SELECT * FROM shoe_ready WHERE total_avail >= 2;
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shoename |sh_avail|sl_name |sl_avail|total_avail
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----------+--------+----------+--------+-----------
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sh1 | 2|sl1 | 5| 2
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sh3 | 4|sl7 | 7| 4
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(2 rows)
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QUERY: CREATE TABLE shoelace_log (
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sl_name char(10),
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sl_avail integer,
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log_who name,
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log_when datetime
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);
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QUERY: CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data
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WHERE NEW.sl_avail != OLD.sl_avail
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DO INSERT INTO shoelace_log VALUES (
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NEW.sl_name,
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NEW.sl_avail,
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getpgusername(),
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'epoch'::text
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);
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QUERY: UPDATE shoelace_data SET sl_avail = 6 WHERE sl_name = 'sl7';
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QUERY: SELECT * FROM shoelace_log;
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sl_name |sl_avail|log_who|log_when
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----------+--------+-------+--------
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sl7 | 6|pgsql |epoch
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(1 row)
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QUERY: CREATE RULE shoelace_ins AS ON INSERT TO shoelace
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DO INSTEAD
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INSERT INTO shoelace_data VALUES (
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NEW.sl_name,
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NEW.sl_avail,
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NEW.sl_color,
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NEW.sl_len,
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NEW.sl_unit);
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QUERY: CREATE RULE shoelace_upd AS ON UPDATE TO shoelace
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DO INSTEAD
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UPDATE shoelace_data SET
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sl_name = NEW.sl_name,
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sl_avail = NEW.sl_avail,
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sl_color = NEW.sl_color,
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sl_len = NEW.sl_len,
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sl_unit = NEW.sl_unit
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WHERE sl_name = OLD.sl_name;
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QUERY: CREATE RULE shoelace_del AS ON DELETE TO shoelace
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DO INSTEAD
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DELETE FROM shoelace_data
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WHERE sl_name = OLD.sl_name;
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QUERY: CREATE TABLE shoelace_arrive (
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arr_name char(10),
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arr_quant integer
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);
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QUERY: CREATE TABLE shoelace_ok (
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ok_name char(10),
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ok_quant integer
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);
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QUERY: CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok
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DO INSTEAD
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UPDATE shoelace SET
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sl_avail = sl_avail + NEW.ok_quant
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WHERE sl_name = NEW.ok_name;
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QUERY: INSERT INTO shoelace_arrive VALUES ('sl3', 10);
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QUERY: INSERT INTO shoelace_arrive VALUES ('sl6', 20);
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QUERY: INSERT INTO shoelace_arrive VALUES ('sl8', 20);
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QUERY: SELECT * FROM shoelace;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl1 | 5|black | 80|cm | 80
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sl2 | 6|black | 100|cm | 100
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sl7 | 6|brown | 60|cm | 60
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sl3 | 0|black | 35|inch | 88.9
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sl4 | 8|black | 40|inch | 101.6
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sl8 | 1|brown | 40|inch | 101.6
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sl5 | 4|brown | 1|m | 100
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sl6 | 0|brown | 0.9|m | 90
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(8 rows)
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QUERY: insert into shoelace_ok select * from shoelace_arrive;
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QUERY: SELECT * FROM shoelace;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl1 | 5|black | 80|cm | 80
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sl2 | 6|black | 100|cm | 100
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sl7 | 6|brown | 60|cm | 60
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sl4 | 8|black | 40|inch | 101.6
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sl3 | 10|black | 35|inch | 88.9
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sl8 | 21|brown | 40|inch | 101.6
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sl5 | 4|brown | 1|m | 100
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sl6 | 20|brown | 0.9|m | 90
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(8 rows)
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QUERY: SELECT * FROM shoelace_log;
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sl_name |sl_avail|log_who|log_when
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----------+--------+-------+--------
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sl7 | 6|pgsql |epoch
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sl3 | 10|pgsql |epoch
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sl6 | 20|pgsql |epoch
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sl8 | 21|pgsql |epoch
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(4 rows)
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QUERY: CREATE VIEW shoelace_obsolete AS
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SELECT * FROM shoelace WHERE NOT EXISTS
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(SELECT shoename FROM shoe WHERE slcolor = sl_color);
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QUERY: CREATE VIEW shoelace_candelete AS
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SELECT * FROM shoelace_obsolete WHERE sl_avail = 0;
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QUERY: insert into shoelace values ('sl9', 0, 'pink', 35.0, 'inch', 0.0);
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QUERY: insert into shoelace values ('sl10', 1000, 'magenta', 40.0, 'inch', 0.0);
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QUERY: SELECT * FROM shoelace_obsolete;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl9 | 0|pink | 35|inch | 88.9
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sl10 | 1000|magenta | 40|inch | 101.6
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(2 rows)
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QUERY: SELECT * FROM shoelace_candelete;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl9 | 0|pink | 35|inch | 88.9
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(1 row)
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QUERY: DELETE FROM shoelace WHERE EXISTS
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(SELECT * FROM shoelace_candelete
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WHERE sl_name = shoelace.sl_name);
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QUERY: SELECT * FROM shoelace;
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sl_name |sl_avail|sl_color |sl_len|sl_unit |sl_len_cm
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----------+--------+----------+------+--------+---------
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sl1 | 5|black | 80|cm | 80
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sl2 | 6|black | 100|cm | 100
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sl7 | 6|brown | 60|cm | 60
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sl4 | 8|black | 40|inch | 101.6
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sl3 | 10|black | 35|inch | 88.9
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sl8 | 21|brown | 40|inch | 101.6
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sl10 | 1000|magenta | 40|inch | 101.6
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sl5 | 4|brown | 1|m | 100
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sl6 | 20|brown | 0.9|m | 90
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(9 rows)
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|
|
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@ -505,3 +505,175 @@ insert into rtest_comp values ('p6', 'inch', 4.4);
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select * from rtest_vcomp order by part;
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select * from rtest_vcomp where size_in_cm > 10.0 order by size_in_cm using >;
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--
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-- In addition run the (slightly modified) queries from the
|
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-- programmers manual section on the rule system.
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--
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CREATE TABLE shoe_data (
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shoename char(10), -- primary key
|
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sh_avail integer, -- available # of pairs
|
||||
slcolor char(10), -- preferred shoelace color
|
||||
slminlen float, -- miminum shoelace length
|
||||
slmaxlen float, -- maximum shoelace length
|
||||
slunit char(8) -- length unit
|
||||
);
|
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|
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CREATE TABLE shoelace_data (
|
||||
sl_name char(10), -- primary key
|
||||
sl_avail integer, -- available # of pairs
|
||||
sl_color char(10), -- shoelace color
|
||||
sl_len float, -- shoelace length
|
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sl_unit char(8) -- length unit
|
||||
);
|
||||
|
||||
CREATE TABLE unit (
|
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un_name char(8), -- the primary key
|
||||
un_fact float -- factor to transform to cm
|
||||
);
|
||||
|
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CREATE VIEW shoe AS
|
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SELECT sh.shoename,
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sh.sh_avail,
|
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sh.slcolor,
|
||||
sh.slminlen,
|
||||
sh.slminlen * un.un_fact AS slminlen_cm,
|
||||
sh.slmaxlen,
|
||||
sh.slmaxlen * un.un_fact AS slmaxlen_cm,
|
||||
sh.slunit
|
||||
FROM shoe_data sh, unit un
|
||||
WHERE sh.slunit = un.un_name;
|
||||
|
||||
CREATE VIEW shoelace AS
|
||||
SELECT s.sl_name,
|
||||
s.sl_avail,
|
||||
s.sl_color,
|
||||
s.sl_len,
|
||||
s.sl_unit,
|
||||
s.sl_len * u.un_fact AS sl_len_cm
|
||||
FROM shoelace_data s, unit u
|
||||
WHERE s.sl_unit = u.un_name;
|
||||
|
||||
CREATE VIEW shoe_ready AS
|
||||
SELECT rsh.shoename,
|
||||
rsh.sh_avail,
|
||||
rsl.sl_name,
|
||||
rsl.sl_avail,
|
||||
int4smaller(rsh.sh_avail, rsl.sl_avail) AS total_avail
|
||||
FROM shoe rsh, shoelace rsl
|
||||
WHERE rsl.sl_color = rsh.slcolor
|
||||
AND rsl.sl_len_cm >= rsh.slminlen_cm
|
||||
AND rsl.sl_len_cm <= rsh.slmaxlen_cm;
|
||||
|
||||
INSERT INTO unit VALUES ('cm', 1.0);
|
||||
INSERT INTO unit VALUES ('m', 100.0);
|
||||
INSERT INTO unit VALUES ('inch', 2.54);
|
||||
|
||||
INSERT INTO shoe_data VALUES ('sh1', 2, 'black', 70.0, 90.0, 'cm');
|
||||
INSERT INTO shoe_data VALUES ('sh2', 0, 'black', 30.0, 40.0, 'inch');
|
||||
INSERT INTO shoe_data VALUES ('sh3', 4, 'brown', 50.0, 65.0, 'cm');
|
||||
INSERT INTO shoe_data VALUES ('sh4', 3, 'brown', 40.0, 50.0, 'inch');
|
||||
|
||||
INSERT INTO shoelace_data VALUES ('sl1', 5, 'black', 80.0, 'cm');
|
||||
INSERT INTO shoelace_data VALUES ('sl2', 6, 'black', 100.0, 'cm');
|
||||
INSERT INTO shoelace_data VALUES ('sl3', 0, 'black', 35.0 , 'inch');
|
||||
INSERT INTO shoelace_data VALUES ('sl4', 8, 'black', 40.0 , 'inch');
|
||||
INSERT INTO shoelace_data VALUES ('sl5', 4, 'brown', 1.0 , 'm');
|
||||
INSERT INTO shoelace_data VALUES ('sl6', 0, 'brown', 0.9 , 'm');
|
||||
INSERT INTO shoelace_data VALUES ('sl7', 7, 'brown', 60 , 'cm');
|
||||
INSERT INTO shoelace_data VALUES ('sl8', 1, 'brown', 40 , 'inch');
|
||||
|
||||
-- SELECTs in doc
|
||||
SELECT * FROM shoelace;
|
||||
SELECT * FROM shoe_ready WHERE total_avail >= 2;
|
||||
|
||||
CREATE TABLE shoelace_log (
|
||||
sl_name char(10), -- shoelace changed
|
||||
sl_avail integer, -- new available value
|
||||
log_who name, -- who did it
|
||||
log_when datetime -- when
|
||||
);
|
||||
|
||||
CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data
|
||||
WHERE NEW.sl_avail != OLD.sl_avail
|
||||
DO INSERT INTO shoelace_log VALUES (
|
||||
NEW.sl_name,
|
||||
NEW.sl_avail,
|
||||
getpgusername(),
|
||||
'epoch'::text
|
||||
);
|
||||
|
||||
UPDATE shoelace_data SET sl_avail = 6 WHERE sl_name = 'sl7';
|
||||
|
||||
SELECT * FROM shoelace_log;
|
||||
|
||||
CREATE RULE shoelace_ins AS ON INSERT TO shoelace
|
||||
DO INSTEAD
|
||||
INSERT INTO shoelace_data VALUES (
|
||||
NEW.sl_name,
|
||||
NEW.sl_avail,
|
||||
NEW.sl_color,
|
||||
NEW.sl_len,
|
||||
NEW.sl_unit);
|
||||
|
||||
CREATE RULE shoelace_upd AS ON UPDATE TO shoelace
|
||||
DO INSTEAD
|
||||
UPDATE shoelace_data SET
|
||||
sl_name = NEW.sl_name,
|
||||
sl_avail = NEW.sl_avail,
|
||||
sl_color = NEW.sl_color,
|
||||
sl_len = NEW.sl_len,
|
||||
sl_unit = NEW.sl_unit
|
||||
WHERE sl_name = OLD.sl_name;
|
||||
|
||||
CREATE RULE shoelace_del AS ON DELETE TO shoelace
|
||||
DO INSTEAD
|
||||
DELETE FROM shoelace_data
|
||||
WHERE sl_name = OLD.sl_name;
|
||||
|
||||
CREATE TABLE shoelace_arrive (
|
||||
arr_name char(10),
|
||||
arr_quant integer
|
||||
);
|
||||
|
||||
CREATE TABLE shoelace_ok (
|
||||
ok_name char(10),
|
||||
ok_quant integer
|
||||
);
|
||||
|
||||
CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok
|
||||
DO INSTEAD
|
||||
UPDATE shoelace SET
|
||||
sl_avail = sl_avail + NEW.ok_quant
|
||||
WHERE sl_name = NEW.ok_name;
|
||||
|
||||
INSERT INTO shoelace_arrive VALUES ('sl3', 10);
|
||||
INSERT INTO shoelace_arrive VALUES ('sl6', 20);
|
||||
INSERT INTO shoelace_arrive VALUES ('sl8', 20);
|
||||
|
||||
SELECT * FROM shoelace;
|
||||
|
||||
insert into shoelace_ok select * from shoelace_arrive;
|
||||
|
||||
SELECT * FROM shoelace;
|
||||
|
||||
SELECT * FROM shoelace_log;
|
||||
|
||||
CREATE VIEW shoelace_obsolete AS
|
||||
SELECT * FROM shoelace WHERE NOT EXISTS
|
||||
(SELECT shoename FROM shoe WHERE slcolor = sl_color);
|
||||
|
||||
CREATE VIEW shoelace_candelete AS
|
||||
SELECT * FROM shoelace_obsolete WHERE sl_avail = 0;
|
||||
|
||||
insert into shoelace values ('sl9', 0, 'pink', 35.0, 'inch', 0.0);
|
||||
insert into shoelace values ('sl10', 1000, 'magenta', 40.0, 'inch', 0.0);
|
||||
|
||||
SELECT * FROM shoelace_obsolete;
|
||||
SELECT * FROM shoelace_candelete;
|
||||
|
||||
DELETE FROM shoelace WHERE EXISTS
|
||||
(SELECT * FROM shoelace_candelete
|
||||
WHERE sl_name = shoelace.sl_name);
|
||||
|
||||
SELECT * FROM shoelace;
|
||||
|
|
|
|||
Loading…
Reference in New Issue