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Restructure pg_opclass, pg_amop, and pg_amproc per previous discussions in

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pgsql-hackers.  pg_opclass now has a row for each opclass supported by each
index AM, not a row for each opclass name.  This allows pg_opclass to show
directly whether an AM supports an opclass, and furthermore makes it possible
to store additional information about an opclass that might be AM-dependent.
pg_opclass and pg_amop now store "lossy" and "haskeytype" information that we
previously expected the user to remember to provide in CREATE INDEX commands.
Lossiness is no longer an index-level property, but is associated with the
use of a particular operator in a particular index opclass.

Along the way, IndexSupportInitialize now uses the syscaches to retrieve
pg_amop and pg_amproc entries.  I find this reduces backend launch time by
about ten percent, at the cost of a couple more special cases in catcache.c's
IndexScanOK.

Initial work by Oleg Bartunov and Teodor Sigaev, further hacking by Tom Lane.

initdb forced.
This commit is contained in:
Tom Lane
2001-08-21 16:36:06 +00:00
parent c2d1566912
commit f933766ba7
60 changed files with 1918 additions and 1929 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/test/regress/expected/oidjoins.out
View File

@ -121,14 +121,6 @@ WHERE pg_am.amcostestimate != 0 AND
------+----------------
(0 rows)
SELECT ctid, pg_amop.amopid
FROM pg_amop
WHERE pg_amop.amopid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_amop.amopid);
ctid | amopid
------+--------
(0 rows)
SELECT ctid, pg_amop.amopclaid
FROM pg_amop
WHERE pg_amop.amopclaid != 0 AND
@ -145,14 +137,6 @@ WHERE pg_amop.amopopr != 0 AND
------+---------
(0 rows)
SELECT ctid, pg_amproc.amid
FROM pg_amproc
WHERE pg_amproc.amid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_amproc.amid);
ctid | amid
------+------
(0 rows)
SELECT ctid, pg_amproc.amopclaid
FROM pg_amproc
WHERE pg_amproc.amopclaid != 0 AND
@ -241,12 +225,20 @@ WHERE pg_index.indrelid != 0 AND
------+----------
(0 rows)
SELECT ctid, pg_opclass.opcdeftype
SELECT ctid, pg_opclass.opcamid
FROM pg_opclass
WHERE pg_opclass.opcdeftype != 0 AND
NOT EXISTS(SELECT * FROM pg_type AS t1 WHERE t1.oid = pg_opclass.opcdeftype);
ctid | opcdeftype
------+------------
WHERE pg_opclass.opcamid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_opclass.opcamid);
ctid | opcamid
------+---------
(0 rows)
SELECT ctid, pg_opclass.opcintype
FROM pg_opclass
WHERE pg_opclass.opcintype != 0 AND
NOT EXISTS(SELECT * FROM pg_type AS t1 WHERE t1.oid = pg_opclass.opcintype);
ctid | opcintype
------+-----------
(0 rows)
SELECT ctid, pg_operator.oprleft

150
src/test/regress/expected/opr_sanity.out
View File

@ -508,45 +508,50 @@ WHERE p1.aggtransfn = p2.oid AND p2.proisstrict AND
(0 rows)
-- **************** pg_opclass ****************
-- There should not be multiple entries in pg_opclass with the same
-- nonzero opcdeftype value, because there can be only one default opclass
-- for a datatype. (But multiple entries with zero opcdeftype are OK.)
-- Look for illegal values in pg_opclass fields
SELECT p1.oid
FROM pg_opclass as p1
WHERE p1.opcamid = 0 OR p1.opcintype = 0;
oid
-----
(0 rows)
-- There should not be multiple entries in pg_opclass with opcdefault true
-- and the same opcamid/opcintype combination.
SELECT p1.oid, p2.oid
FROM pg_opclass AS p1, pg_opclass AS p2
WHERE p1.oid != p2.oid AND
p1.opcdeftype = p2.opcdeftype AND
p1.opcdeftype != 0;
p1.opcamid = p2.opcamid AND p1.opcintype = p2.opcintype AND
p1.opcdefault AND p2.opcdefault;
oid | oid
-----+-----
(0 rows)
-- **************** pg_amop ****************
-- Look for illegal values in pg_amop fields
SELECT p1.amopclaid, p1.amopopr, p1.amopid
SELECT p1.amopclaid, p1.amopstrategy
FROM pg_amop as p1
WHERE p1.amopid = 0 OR p1.amopclaid = 0 OR p1.amopopr = 0 OR
p1.amopstrategy <= 0;
amopclaid | amopopr | amopid
-----------+---------+--------
WHERE p1.amopclaid = 0 OR p1.amopstrategy <= 0 OR p1.amopopr = 0;
amopclaid | amopstrategy
-----------+--------------
(0 rows)
-- Cross-check amopstrategy index against parent AM
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.amname
FROM pg_amop AS p1, pg_am AS p2
WHERE p1.amopid = p2.oid AND p1.amopstrategy > p2.amstrategies;
amopclaid | amopopr | amopid | oid | amname
-----------+---------+--------+-----+--------
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.amname
FROM pg_amop AS p1, pg_am AS p2, pg_opclass AS p3
WHERE p1.amopclaid = p3.oid AND p3.opcamid = p2.oid AND
p1.amopstrategy > p2.amstrategies;
amopclaid | amopopr | oid | amname
-----------+---------+-----+--------
(0 rows)
-- Detect missing pg_amop entries: should have as many strategy functions
-- as AM expects for each opclass, unless there are none at all
-- (some opclasses only offer support for a limited set of AMs...)
-- as AM expects for each opclass for the AM
SELECT p1.oid, p1.amname, p2.oid, p2.opcname
FROM pg_am AS p1, pg_opclass AS p2
WHERE p1.amstrategies != (SELECT count(*) FROM pg_amop AS p3
WHERE p3.amopid = p1.oid AND p3.amopclaid = p2.oid)
AND EXISTS (SELECT * FROM pg_amop AS p3
WHERE p3.amopid = p1.oid AND p3.amopclaid = p2.oid);
WHERE p2.opcamid = p1.oid AND
p1.amstrategies != (SELECT count(*) FROM pg_amop AS p3
WHERE p3.amopclaid = p2.oid);
oid | amname | oid | opcname
-----+--------+-----+---------
(0 rows)
@ -555,51 +560,48 @@ WHERE p1.amstrategies != (SELECT count(*) FROM pg_amop AS p3
-- operator yielding boolean.
-- NOTE: for 7.1, add restriction that operator inputs are of same type.
-- We used to have opclasses like "int24_ops" but these were broken.
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.oprname
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.oprname
FROM pg_amop AS p1, pg_operator AS p2
WHERE p1.amopopr = p2.oid AND
(p2.oprkind != 'b' OR p2.oprresult != 16 OR p2.oprleft != p2.oprright);
amopclaid | amopopr | amopid | oid | oprname
-----------+---------+--------+-----+---------
amopclaid | amopopr | oid | oprname
-----------+---------+-----+---------
(0 rows)
-- If opclass is for a specific type, operator inputs should be of that type
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.oprname, p3.oid, p3.opcname
-- Check that operator input types match the opclass
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.oprname, p3.opcname
FROM pg_amop AS p1, pg_operator AS p2, pg_opclass AS p3
WHERE p1.amopopr = p2.oid AND p1.amopclaid = p3.oid AND
p3.opcdeftype != 0 AND
(p3.opcdeftype != p2.oprleft OR p3.opcdeftype != p2.oprright);
amopclaid | amopopr | amopid | oid | oprname | oid | opcname
-----------+---------+--------+-----+---------+-----+---------
(p3.opcintype != p2.oprleft OR p3.opcintype != p2.oprright);
amopclaid | amopopr | oid | oprname | opcname
-----------+---------+-----+---------+---------
(0 rows)
-- **************** pg_amproc ****************
-- Look for illegal values in pg_amproc fields
SELECT p1.amid, p1.amopclaid, p1.amprocnum
SELECT p1.amopclaid, p1.amprocnum
FROM pg_amproc as p1
WHERE p1.amid = 0 OR p1.amopclaid = 0 OR p1.amproc = 0 OR
p1.amprocnum <= 0;
amid | amopclaid | amprocnum
------+-----------+-----------
WHERE p1.amopclaid = 0 OR p1.amprocnum <= 0 OR p1.amproc = 0;
amopclaid | amprocnum
-----------+-----------
(0 rows)
-- Cross-check amprocnum index against parent AM
SELECT p1.amid, p1.amopclaid, p1.amprocnum, p2.oid, p2.amname
FROM pg_amproc AS p1, pg_am AS p2
WHERE p1.amid = p2.oid AND p1.amprocnum > p2.amsupport;
amid | amopclaid | amprocnum | oid | amname
------+-----------+-----------+-----+--------
SELECT p1.amopclaid, p1.amprocnum, p2.oid, p2.amname
FROM pg_amproc AS p1, pg_am AS p2, pg_opclass AS p3
WHERE p1.amopclaid = p3.oid AND p3.opcamid = p2.oid AND
p1.amprocnum > p2.amsupport;
amopclaid | amprocnum | oid | amname
-----------+-----------+-----+--------
(0 rows)
-- Detect missing pg_amproc entries: should have as many support functions
-- as AM expects for each opclass, unless there are none at all
-- (some opclasses only offer support for a limited set of AMs...)
-- as AM expects for each opclass for the AM
SELECT p1.oid, p1.amname, p2.oid, p2.opcname
FROM pg_am AS p1, pg_opclass AS p2
WHERE p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
WHERE p3.amid = p1.oid AND p3.amopclaid = p2.oid)
AND EXISTS (SELECT * FROM pg_amproc AS p3
WHERE p3.amid = p1.oid AND p3.amopclaid = p2.oid);
WHERE p2.opcamid = p1.oid AND
p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
WHERE p3.amopclaid = p2.oid);
oid | amname | oid | opcname
-----+--------+-----+---------
(0 rows)
@ -609,49 +611,19 @@ WHERE p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
-- or different base data types.
-- We can check that all the referenced instances of the same support
-- routine number take the same number of parameters, but that's about it...
SELECT p1.amid, p1.amopclaid, p1.amprocnum,
SELECT p1.amopclaid, p1.amprocnum,
p2.oid, p2.proname,
p3.amid, p3.amopclaid, p3.amprocnum,
p4.oid, p4.proname
FROM pg_amproc AS p1, pg_proc AS p2, pg_amproc AS p3, pg_proc AS p4
WHERE p1.amid = p3.amid AND p1.amprocnum = p3.amprocnum AND
p1.amproc = p2.oid AND p3.amproc = p4.oid AND
(p2.proretset OR p4.proretset OR p2.pronargs != p4.pronargs);
amid | amopclaid | amprocnum | oid | proname | amid | amopclaid | amprocnum | oid | proname
------+-----------+-----------+-----+---------+------+-----------+-----------+-----+---------
(0 rows)
-- Cross-check that each opclass that has any entries for a given AM
-- has all the entries that any other opclass does. This catches cases
-- where an opclass has pg_amop but not pg_amproc entries or vice versa.
-- (The above tests for missing pg_amop or pg_amproc entries are redundant
-- with this, but I'll leave them in place anyway.)
-- All the strategy index numbers used for each AM
CREATE TEMP TABLE amopstrategies AS
SELECT DISTINCT amopid, amopstrategy FROM pg_amop;
-- All the support proc numbers used for each AM
CREATE TEMP TABLE amprocnums AS
SELECT DISTINCT amid, amprocnum FROM pg_amproc;
-- All the opclasses that claim to have support for each AM in either table.
-- UNION implies DISTINCT, so we do not need DISTINCT in the sub-selects.
CREATE TEMP TABLE amopclassids AS
SELECT amid, amopclaid FROM pg_amproc UNION
SELECT amopid, amopclaid FROM pg_amop;
-- Look for AMs that are missing one or more strategy operators
SELECT * FROM amopclassids c, amopstrategies s
WHERE c.amid = s.amopid AND NOT EXISTS
(SELECT 1 FROM pg_amop a WHERE a.amopid = c.amid AND
a.amopclaid = c.amopclaid AND a.amopstrategy = s.amopstrategy);
amid | amopclaid | amopid | amopstrategy
------+-----------+--------+--------------
(0 rows)
-- Look for AMs that are missing one or more support procs
SELECT * FROM amopclassids c, amprocnums p
WHERE c.amid = p.amid AND NOT EXISTS
(SELECT 1 FROM pg_amproc a WHERE a.amid = c.amid AND
a.amopclaid = c.amopclaid AND a.amprocnum = p.amprocnum);
amid | amopclaid | amid | amprocnum
------+-----------+------+-----------
p3.opcname,
p4.amopclaid, p4.amprocnum,
p5.oid, p5.proname,
p6.opcname
FROM pg_amproc AS p1, pg_proc AS p2, pg_opclass AS p3,
pg_amproc AS p4, pg_proc AS p5, pg_opclass AS p6
WHERE p1.amopclaid = p3.oid AND p4.amopclaid = p6.oid AND
p3.opcamid = p6.opcamid AND p1.amprocnum = p4.amprocnum AND
p1.amproc = p2.oid AND p4.amproc = p5.oid AND
(p2.proretset OR p5.proretset OR p2.pronargs != p5.pronargs);
amopclaid | amprocnum | oid | proname | opcname | amopclaid | amprocnum | oid | proname | opcname
-----------+-----------+-----+---------+---------+-----------+-----------+-----+---------+---------
(0 rows)

18
src/test/regress/sql/oidjoins.sql
View File

@ -61,10 +61,6 @@ SELECT ctid, pg_am.amcostestimate
FROM pg_am
WHERE pg_am.amcostestimate != 0 AND
NOT EXISTS(SELECT * FROM pg_proc AS t1 WHERE t1.oid = pg_am.amcostestimate);
SELECT ctid, pg_amop.amopid
FROM pg_amop
WHERE pg_amop.amopid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_amop.amopid);
SELECT ctid, pg_amop.amopclaid
FROM pg_amop
WHERE pg_amop.amopclaid != 0 AND
@ -73,10 +69,6 @@ SELECT ctid, pg_amop.amopopr
FROM pg_amop
WHERE pg_amop.amopopr != 0 AND
NOT EXISTS(SELECT * FROM pg_operator AS t1 WHERE t1.oid = pg_amop.amopopr);
SELECT ctid, pg_amproc.amid
FROM pg_amproc
WHERE pg_amproc.amid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_amproc.amid);
SELECT ctid, pg_amproc.amopclaid
FROM pg_amproc
WHERE pg_amproc.amopclaid != 0 AND
@ -121,10 +113,14 @@ SELECT ctid, pg_index.indrelid
FROM pg_index
WHERE pg_index.indrelid != 0 AND
NOT EXISTS(SELECT * FROM pg_class AS t1 WHERE t1.oid = pg_index.indrelid);
SELECT ctid, pg_opclass.opcdeftype
SELECT ctid, pg_opclass.opcamid
FROM pg_opclass
WHERE pg_opclass.opcdeftype != 0 AND
NOT EXISTS(SELECT * FROM pg_type AS t1 WHERE t1.oid = pg_opclass.opcdeftype);
WHERE pg_opclass.opcamid != 0 AND
NOT EXISTS(SELECT * FROM pg_am AS t1 WHERE t1.oid = pg_opclass.opcamid);
SELECT ctid, pg_opclass.opcintype
FROM pg_opclass
WHERE pg_opclass.opcintype != 0 AND
NOT EXISTS(SELECT * FROM pg_type AS t1 WHERE t1.oid = pg_opclass.opcintype);
SELECT ctid, pg_operator.oprleft
FROM pg_operator
WHERE pg_operator.oprleft != 0 AND

118
src/test/regress/sql/opr_sanity.sql
View File

@ -425,85 +425,85 @@ WHERE p1.aggtransfn = p2.oid AND p2.proisstrict AND
-- **************** pg_opclass ****************
-- There should not be multiple entries in pg_opclass with the same
-- nonzero opcdeftype value, because there can be only one default opclass
-- for a datatype. (But multiple entries with zero opcdeftype are OK.)
-- Look for illegal values in pg_opclass fields
SELECT p1.oid
FROM pg_opclass as p1
WHERE p1.opcamid = 0 OR p1.opcintype = 0;
-- There should not be multiple entries in pg_opclass with opcdefault true
-- and the same opcamid/opcintype combination.
SELECT p1.oid, p2.oid
FROM pg_opclass AS p1, pg_opclass AS p2
WHERE p1.oid != p2.oid AND
p1.opcdeftype = p2.opcdeftype AND
p1.opcdeftype != 0;
p1.opcamid = p2.opcamid AND p1.opcintype = p2.opcintype AND
p1.opcdefault AND p2.opcdefault;
-- **************** pg_amop ****************
-- Look for illegal values in pg_amop fields
SELECT p1.amopclaid, p1.amopopr, p1.amopid
SELECT p1.amopclaid, p1.amopstrategy
FROM pg_amop as p1
WHERE p1.amopid = 0 OR p1.amopclaid = 0 OR p1.amopopr = 0 OR
p1.amopstrategy <= 0;
WHERE p1.amopclaid = 0 OR p1.amopstrategy <= 0 OR p1.amopopr = 0;
-- Cross-check amopstrategy index against parent AM
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.amname
FROM pg_amop AS p1, pg_am AS p2
WHERE p1.amopid = p2.oid AND p1.amopstrategy > p2.amstrategies;
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.amname
FROM pg_amop AS p1, pg_am AS p2, pg_opclass AS p3
WHERE p1.amopclaid = p3.oid AND p3.opcamid = p2.oid AND
p1.amopstrategy > p2.amstrategies;
-- Detect missing pg_amop entries: should have as many strategy functions
-- as AM expects for each opclass, unless there are none at all
-- (some opclasses only offer support for a limited set of AMs...)
-- as AM expects for each opclass for the AM
SELECT p1.oid, p1.amname, p2.oid, p2.opcname
FROM pg_am AS p1, pg_opclass AS p2
WHERE p1.amstrategies != (SELECT count(*) FROM pg_amop AS p3
WHERE p3.amopid = p1.oid AND p3.amopclaid = p2.oid)
AND EXISTS (SELECT * FROM pg_amop AS p3
WHERE p3.amopid = p1.oid AND p3.amopclaid = p2.oid);
WHERE p2.opcamid = p1.oid AND
p1.amstrategies != (SELECT count(*) FROM pg_amop AS p3
WHERE p3.amopclaid = p2.oid);
-- Check that amopopr points at a reasonable-looking operator, ie a binary
-- operator yielding boolean.
-- NOTE: for 7.1, add restriction that operator inputs are of same type.
-- We used to have opclasses like "int24_ops" but these were broken.
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.oprname
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.oprname
FROM pg_amop AS p1, pg_operator AS p2
WHERE p1.amopopr = p2.oid AND
(p2.oprkind != 'b' OR p2.oprresult != 16 OR p2.oprleft != p2.oprright);
-- If opclass is for a specific type, operator inputs should be of that type
-- Check that operator input types match the opclass
SELECT p1.amopclaid, p1.amopopr, p1.amopid, p2.oid, p2.oprname, p3.oid, p3.opcname
SELECT p1.amopclaid, p1.amopopr, p2.oid, p2.oprname, p3.opcname
FROM pg_amop AS p1, pg_operator AS p2, pg_opclass AS p3
WHERE p1.amopopr = p2.oid AND p1.amopclaid = p3.oid AND
p3.opcdeftype != 0 AND
(p3.opcdeftype != p2.oprleft OR p3.opcdeftype != p2.oprright);
(p3.opcintype != p2.oprleft OR p3.opcintype != p2.oprright);
-- **************** pg_amproc ****************
-- Look for illegal values in pg_amproc fields
SELECT p1.amid, p1.amopclaid, p1.amprocnum
SELECT p1.amopclaid, p1.amprocnum
FROM pg_amproc as p1
WHERE p1.amid = 0 OR p1.amopclaid = 0 OR p1.amproc = 0 OR
p1.amprocnum <= 0;
WHERE p1.amopclaid = 0 OR p1.amprocnum <= 0 OR p1.amproc = 0;
-- Cross-check amprocnum index against parent AM
SELECT p1.amid, p1.amopclaid, p1.amprocnum, p2.oid, p2.amname
FROM pg_amproc AS p1, pg_am AS p2
WHERE p1.amid = p2.oid AND p1.amprocnum > p2.amsupport;
SELECT p1.amopclaid, p1.amprocnum, p2.oid, p2.amname
FROM pg_amproc AS p1, pg_am AS p2, pg_opclass AS p3
WHERE p1.amopclaid = p3.oid AND p3.opcamid = p2.oid AND
p1.amprocnum > p2.amsupport;
-- Detect missing pg_amproc entries: should have as many support functions
-- as AM expects for each opclass, unless there are none at all
-- (some opclasses only offer support for a limited set of AMs...)
-- as AM expects for each opclass for the AM
SELECT p1.oid, p1.amname, p2.oid, p2.opcname
FROM pg_am AS p1, pg_opclass AS p2
WHERE p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
WHERE p3.amid = p1.oid AND p3.amopclaid = p2.oid)
AND EXISTS (SELECT * FROM pg_amproc AS p3
WHERE p3.amid = p1.oid AND p3.amopclaid = p2.oid);
WHERE p2.opcamid = p1.oid AND
p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
WHERE p3.amopclaid = p2.oid);
-- Unfortunately, we can't check the amproc link very well because the
-- signature of the function may be different for different support routines
@ -511,43 +511,15 @@ WHERE p1.amsupport != (SELECT count(*) FROM pg_amproc AS p3
-- We can check that all the referenced instances of the same support
-- routine number take the same number of parameters, but that's about it...
SELECT p1.amid, p1.amopclaid, p1.amprocnum,
SELECT p1.amopclaid, p1.amprocnum,
p2.oid, p2.proname,
p3.amid, p3.amopclaid, p3.amprocnum,
p4.oid, p4.proname
FROM pg_amproc AS p1, pg_proc AS p2, pg_amproc AS p3, pg_proc AS p4
WHERE p1.amid = p3.amid AND p1.amprocnum = p3.amprocnum AND
p1.amproc = p2.oid AND p3.amproc = p4.oid AND
(p2.proretset OR p4.proretset OR p2.pronargs != p4.pronargs);
-- Cross-check that each opclass that has any entries for a given AM
-- has all the entries that any other opclass does. This catches cases
-- where an opclass has pg_amop but not pg_amproc entries or vice versa.
-- (The above tests for missing pg_amop or pg_amproc entries are redundant
-- with this, but I'll leave them in place anyway.)
-- All the strategy index numbers used for each AM
CREATE TEMP TABLE amopstrategies AS
SELECT DISTINCT amopid, amopstrategy FROM pg_amop;
-- All the support proc numbers used for each AM
CREATE TEMP TABLE amprocnums AS
SELECT DISTINCT amid, amprocnum FROM pg_amproc;
-- All the opclasses that claim to have support for each AM in either table.
-- UNION implies DISTINCT, so we do not need DISTINCT in the sub-selects.
CREATE TEMP TABLE amopclassids AS
SELECT amid, amopclaid FROM pg_amproc UNION
SELECT amopid, amopclaid FROM pg_amop;
-- Look for AMs that are missing one or more strategy operators
SELECT * FROM amopclassids c, amopstrategies s
WHERE c.amid = s.amopid AND NOT EXISTS
(SELECT 1 FROM pg_amop a WHERE a.amopid = c.amid AND
a.amopclaid = c.amopclaid AND a.amopstrategy = s.amopstrategy);
-- Look for AMs that are missing one or more support procs
SELECT * FROM amopclassids c, amprocnums p
WHERE c.amid = p.amid AND NOT EXISTS
(SELECT 1 FROM pg_amproc a WHERE a.amid = c.amid AND
a.amopclaid = c.amopclaid AND a.amprocnum = p.amprocnum);
p3.opcname,
p4.amopclaid, p4.amprocnum,
p5.oid, p5.proname,
p6.opcname
FROM pg_amproc AS p1, pg_proc AS p2, pg_opclass AS p3,
pg_amproc AS p4, pg_proc AS p5, pg_opclass AS p6
WHERE p1.amopclaid = p3.oid AND p4.amopclaid = p6.oid AND
p3.opcamid = p6.opcamid AND p1.amprocnum = p4.amprocnum AND
p1.amproc = p2.oid AND p4.amproc = p5.oid AND
(p2.proretset OR p5.proretset OR p2.pronargs != p5.pronargs);