mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-10-06 03:26:55 +02:00
0de45c1c27
flesh out the index operator classes to include these. In passing, fix erroneous volatility marking of ACL functions.
947 lines
35 KiB
Plaintext
947 lines
35 KiB
Plaintext
--
|
|
-- OPR_SANITY
|
|
-- Sanity checks for common errors in making operator/procedure system tables:
|
|
-- pg_operator, pg_proc, pg_cast, pg_aggregate, pg_am, pg_amop, pg_amproc, pg_opclass.
|
|
--
|
|
-- None of the SELECTs here should ever find any matching entries,
|
|
-- so the expected output is easy to maintain ;-).
|
|
-- A test failure indicates someone messed up an entry in the system tables.
|
|
--
|
|
-- NB: we assume the oidjoins test will have caught any dangling links,
|
|
-- that is OID or REGPROC fields that are not zero and do not match some
|
|
-- row in the linked-to table. However, if we want to enforce that a link
|
|
-- field can't be 0, we have to check it here.
|
|
--
|
|
-- NB: run this test earlier than the create_operator test, because
|
|
-- that test creates some bogus operators...
|
|
-- Helper functions to deal with cases where binary-coercible matches are
|
|
-- allowed.
|
|
-- This should match IsBinaryCoercible() in parse_coerce.c.
|
|
create function binary_coercible(oid, oid) returns bool as
|
|
'SELECT ($1 = $2) OR
|
|
EXISTS(select 1 from pg_cast where
|
|
castsource = $1 and casttarget = $2 and
|
|
castfunc = 0 and castcontext = ''i'')'
|
|
language sql;
|
|
-- This one ignores castcontext, so it considers only physical equivalence
|
|
-- and not whether the coercion can be invoked implicitly.
|
|
create function physically_coercible(oid, oid) returns bool as
|
|
'SELECT ($1 = $2) OR
|
|
EXISTS(select 1 from pg_cast where
|
|
castsource = $1 and casttarget = $2 and
|
|
castfunc = 0)'
|
|
language sql;
|
|
-- **************** pg_proc ****************
|
|
-- Look for illegal values in pg_proc fields.
|
|
-- NOTE: in reality pronargs could be more than 10, but I'm too lazy to put
|
|
-- a larger number of proargtypes check clauses in here. If we ever have
|
|
-- more-than-10-arg functions in the standard catalogs, extend this query.
|
|
SELECT p1.oid, p1.proname
|
|
FROM pg_proc as p1
|
|
WHERE p1.prolang = 0 OR p1.prorettype = 0 OR
|
|
p1.pronargs < 0 OR p1.pronargs > 10 OR
|
|
(p1.proargtypes[0] = 0 AND p1.pronargs > 0) OR
|
|
(p1.proargtypes[1] = 0 AND p1.pronargs > 1) OR
|
|
(p1.proargtypes[2] = 0 AND p1.pronargs > 2) OR
|
|
(p1.proargtypes[3] = 0 AND p1.pronargs > 3) OR
|
|
(p1.proargtypes[4] = 0 AND p1.pronargs > 4) OR
|
|
(p1.proargtypes[5] = 0 AND p1.pronargs > 5) OR
|
|
(p1.proargtypes[6] = 0 AND p1.pronargs > 6) OR
|
|
(p1.proargtypes[7] = 0 AND p1.pronargs > 7) OR
|
|
(p1.proargtypes[8] = 0 AND p1.pronargs > 8) OR
|
|
(p1.proargtypes[9] = 0 AND p1.pronargs > 9);
|
|
oid | proname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for conflicting proc definitions (same names and input datatypes).
|
|
-- (This test should be dead code now that we have the unique index
|
|
-- pg_proc_proname_narg_type_index, but I'll leave it in anyway.)
|
|
SELECT p1.oid, p1.proname, p2.oid, p2.proname
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.proname = p2.proname AND
|
|
p1.pronargs = p2.pronargs AND
|
|
p1.proargtypes = p2.proargtypes;
|
|
oid | proname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Considering only built-in procs (prolang = 12), look for multiple uses
|
|
-- of the same internal function (ie, matching prosrc fields). It's OK to
|
|
-- have several entries with different pronames for the same internal function,
|
|
-- but conflicts in the number of arguments and other critical items should
|
|
-- be complained of.
|
|
SELECT p1.oid, p1.proname, p2.oid, p2.proname
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
(p1.prolang != p2.prolang OR
|
|
p1.proisagg != p2.proisagg OR
|
|
p1.prosecdef != p2.prosecdef OR
|
|
p1.proisstrict != p2.proisstrict OR
|
|
p1.proretset != p2.proretset OR
|
|
p1.provolatile != p2.provolatile OR
|
|
p1.pronargs != p2.pronargs);
|
|
oid | proname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for uses of different type OIDs in the argument/result type fields
|
|
-- for different aliases of the same built-in function.
|
|
-- This indicates that the types are being presumed to be binary-equivalent,
|
|
-- or that the built-in function is prepared to deal with different types.
|
|
-- That's not wrong, necessarily, but we make lists of all the types being
|
|
-- so treated. Note that the expected output of this part of the test will
|
|
-- need to be modified whenever new pairs of types are made binary-equivalent,
|
|
-- or when new polymorphic built-in functions are added!
|
|
-- Note: ignore aggregate functions here, since they all point to the same
|
|
-- dummy built-in function.
|
|
SELECT DISTINCT p1.prorettype, p2.prorettype
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.prorettype < p2.prorettype);
|
|
prorettype | prorettype
|
|
------------+------------
|
|
25 | 1043
|
|
1114 | 1184
|
|
(2 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[0], p2.proargtypes[0]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[0] < p2.proargtypes[0]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
25 | 1042
|
|
25 | 1043
|
|
1114 | 1184
|
|
1560 | 1562
|
|
2277 | 2283
|
|
(5 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[1], p2.proargtypes[1]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[1] < p2.proargtypes[1]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
23 | 28
|
|
25 | 1042
|
|
1114 | 1184
|
|
1560 | 1562
|
|
2277 | 2283
|
|
(5 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[2], p2.proargtypes[2]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[2] < p2.proargtypes[2]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
1114 | 1184
|
|
(1 row)
|
|
|
|
SELECT DISTINCT p1.proargtypes[3], p2.proargtypes[3]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[3] < p2.proargtypes[3]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
1114 | 1184
|
|
(1 row)
|
|
|
|
SELECT DISTINCT p1.proargtypes[4], p2.proargtypes[4]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[4] < p2.proargtypes[4]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
(0 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[5], p2.proargtypes[5]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[5] < p2.proargtypes[5]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
(0 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[6], p2.proargtypes[6]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[6] < p2.proargtypes[6]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
(0 rows)
|
|
|
|
SELECT DISTINCT p1.proargtypes[7], p2.proargtypes[7]
|
|
FROM pg_proc AS p1, pg_proc AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.prosrc = p2.prosrc AND
|
|
p1.prolang = 12 AND p2.prolang = 12 AND
|
|
NOT p1.proisagg AND NOT p2.proisagg AND
|
|
(p1.proargtypes[7] < p2.proargtypes[7]);
|
|
proargtypes | proargtypes
|
|
-------------+-------------
|
|
(0 rows)
|
|
|
|
-- Look for functions that return type "internal" and do not have any
|
|
-- "internal" argument. Such a function would be a security hole since
|
|
-- it might be used to call an internal function from an SQL command.
|
|
-- As of 7.3 this query should find only internal_in.
|
|
SELECT p1.oid, p1.proname
|
|
FROM pg_proc as p1
|
|
WHERE p1.prorettype = 'internal'::regtype AND NOT
|
|
('(' || oidvectortypes(p1.proargtypes) || ')') ~ '[^a-z0-9_]internal[^a-z0-9_]';
|
|
oid | proname
|
|
------+-------------
|
|
2304 | internal_in
|
|
(1 row)
|
|
|
|
-- **************** pg_cast ****************
|
|
-- Look for casts from and to the same type. This is not harmful, but
|
|
-- useless. Also catch bogus values in pg_cast columns (other than
|
|
-- cases detected by oidjoins test).
|
|
SELECT *
|
|
FROM pg_cast c
|
|
WHERE castsource = casttarget OR castsource = 0 OR casttarget = 0
|
|
OR castcontext NOT IN ('e', 'a', 'i');
|
|
castsource | casttarget | castfunc | castcontext
|
|
------------+------------+----------+-------------
|
|
(0 rows)
|
|
|
|
-- Look for cast functions that don't have the right signature. The
|
|
-- argument and result types in pg_proc must be the same as, or binary
|
|
-- compatible with, what it says in pg_cast.
|
|
-- As a special case, we allow casts from CHAR(n) that use functions
|
|
-- declared to take TEXT. This does not pass the binary-coercibility test
|
|
-- because CHAR(n)-to-TEXT normally invokes rtrim(). However, the results
|
|
-- are the same, so long as the function is one that ignores trailing blanks.
|
|
SELECT c.*
|
|
FROM pg_cast c, pg_proc p
|
|
WHERE c.castfunc = p.oid AND
|
|
(p.pronargs <> 1
|
|
OR NOT (binary_coercible(c.castsource, p.proargtypes[0])
|
|
OR (c.castsource = 'character'::regtype AND
|
|
p.proargtypes[0] = 'text'::regtype))
|
|
OR NOT binary_coercible(p.prorettype, c.casttarget));
|
|
castsource | casttarget | castfunc | castcontext
|
|
------------+------------+----------+-------------
|
|
(0 rows)
|
|
|
|
-- Look for binary compatible casts that do not have the reverse
|
|
-- direction registered as well, or where the reverse direction is not
|
|
-- also binary compatible. This is legal, but usually not intended.
|
|
-- As of 7.4, this finds the casts from text and varchar to bpchar, because
|
|
-- those are binary-compatible while the reverse way goes through rtrim().
|
|
SELECT *
|
|
FROM pg_cast c
|
|
WHERE c.castfunc = 0 AND
|
|
NOT EXISTS (SELECT 1 FROM pg_cast k
|
|
WHERE k.castfunc = 0 AND
|
|
k.castsource = c.casttarget AND
|
|
k.casttarget = c.castsource);
|
|
castsource | casttarget | castfunc | castcontext
|
|
------------+------------+----------+-------------
|
|
25 | 1042 | 0 | i
|
|
1043 | 1042 | 0 | i
|
|
(2 rows)
|
|
|
|
-- **************** pg_operator ****************
|
|
-- Look for illegal values in pg_operator fields.
|
|
SELECT p1.oid, p1.oprname
|
|
FROM pg_operator as p1
|
|
WHERE (p1.oprkind != 'b' AND p1.oprkind != 'l' AND p1.oprkind != 'r') OR
|
|
p1.oprresult = 0 OR p1.oprcode = 0;
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for missing or unwanted operand types
|
|
SELECT p1.oid, p1.oprname
|
|
FROM pg_operator as p1
|
|
WHERE (p1.oprleft = 0 and p1.oprkind != 'l') OR
|
|
(p1.oprleft != 0 and p1.oprkind = 'l') OR
|
|
(p1.oprright = 0 and p1.oprkind != 'r') OR
|
|
(p1.oprright != 0 and p1.oprkind = 'r');
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for conflicting operator definitions (same names and input datatypes).
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oid != p2.oid AND
|
|
p1.oprname = p2.oprname AND
|
|
p1.oprkind = p2.oprkind AND
|
|
p1.oprleft = p2.oprleft AND
|
|
p1.oprright = p2.oprright;
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for commutative operators that don't commute.
|
|
-- DEFINITIONAL NOTE: If A.oprcom = B, then x A y has the same result as y B x.
|
|
-- We expect that B will always say that B.oprcom = A as well; that's not
|
|
-- inherently essential, but it would be inefficient not to mark it so.
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprcom = p2.oid AND
|
|
(p1.oprkind != 'b' OR
|
|
p1.oprleft != p2.oprright OR
|
|
p1.oprright != p2.oprleft OR
|
|
p1.oprresult != p2.oprresult OR
|
|
p1.oid != p2.oprcom);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for negatory operators that don't agree.
|
|
-- DEFINITIONAL NOTE: If A.oprnegate = B, then both A and B must yield
|
|
-- boolean results, and (x A y) == ! (x B y), or the equivalent for
|
|
-- single-operand operators.
|
|
-- We expect that B will always say that B.oprnegate = A as well; that's not
|
|
-- inherently essential, but it would be inefficient not to mark it so.
|
|
-- Also, A and B had better not be the same operator.
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprnegate = p2.oid AND
|
|
(p1.oprkind != p2.oprkind OR
|
|
p1.oprleft != p2.oprleft OR
|
|
p1.oprright != p2.oprright OR
|
|
p1.oprresult != 'bool'::regtype OR
|
|
p2.oprresult != 'bool'::regtype OR
|
|
p1.oid != p2.oprnegate OR
|
|
p1.oid = p2.oid);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Look for mergejoin operators that don't match their links.
|
|
-- An lsortop/rsortop link leads from an '=' operator to the
|
|
-- sort operator ('<' operator) that's appropriate for
|
|
-- its left-side or right-side data type.
|
|
-- An ltcmpop/gtcmpop link leads from an '=' operator to the
|
|
-- '<' or '>' operator of the same input datatypes.
|
|
-- (If the '=' operator has identical L and R input datatypes,
|
|
-- then lsortop, rsortop, and ltcmpop are all the same operator.)
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprlsortop = p2.oid AND
|
|
(p1.oprname NOT IN ('=', '~=~') OR p2.oprname NOT IN ('<', '~<~') OR
|
|
p1.oprkind != 'b' OR p2.oprkind != 'b' OR
|
|
p1.oprleft != p2.oprleft OR
|
|
p1.oprleft != p2.oprright OR
|
|
p1.oprresult != 'bool'::regtype OR
|
|
p2.oprresult != 'bool'::regtype);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprrsortop = p2.oid AND
|
|
(p1.oprname NOT IN ('=', '~=~') OR p2.oprname NOT IN ('<', '~<~') OR
|
|
p1.oprkind != 'b' OR p2.oprkind != 'b' OR
|
|
p1.oprright != p2.oprleft OR
|
|
p1.oprright != p2.oprright OR
|
|
p1.oprresult != 'bool'::regtype OR
|
|
p2.oprresult != 'bool'::regtype);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprltcmpop = p2.oid AND
|
|
(p1.oprname NOT IN ('=', '~=~') OR p2.oprname NOT IN ('<', '~<~') OR
|
|
p1.oprkind != 'b' OR p2.oprkind != 'b' OR
|
|
p1.oprleft != p2.oprleft OR
|
|
p1.oprright != p2.oprright OR
|
|
p1.oprresult != 'bool'::regtype OR
|
|
p2.oprresult != 'bool'::regtype);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
|
|
FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprgtcmpop = p2.oid AND
|
|
(p1.oprname NOT IN ('=', '~=~') OR p2.oprname NOT IN ('>', '~>~') OR
|
|
p1.oprkind != 'b' OR p2.oprkind != 'b' OR
|
|
p1.oprleft != p2.oprleft OR
|
|
p1.oprright != p2.oprright OR
|
|
p1.oprresult != 'bool'::regtype OR
|
|
p2.oprresult != 'bool'::regtype);
|
|
oid | oprcode | oid | oprcode
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Make sure all four links are specified if any are.
|
|
SELECT p1.oid, p1.oprcode
|
|
FROM pg_operator AS p1
|
|
WHERE NOT ((oprlsortop = 0 AND oprrsortop = 0 AND
|
|
oprltcmpop = 0 AND oprgtcmpop = 0) OR
|
|
(oprlsortop != 0 AND oprrsortop != 0 AND
|
|
oprltcmpop != 0 AND oprgtcmpop != 0));
|
|
oid | oprcode
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- A mergejoinable = operator must have a commutator (usually itself).
|
|
SELECT p1.oid, p1.oprname FROM pg_operator AS p1
|
|
WHERE p1.oprlsortop != 0 AND
|
|
p1.oprcom = 0;
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Mergejoinable operators across datatypes must come in closed sets, that
|
|
-- is if you provide int2 = int4 and int4 = int8 then you must also provide
|
|
-- int2 = int8 (and commutators of all these). This is necessary because
|
|
-- the planner tries to deduce additional qual clauses from transitivity
|
|
-- of mergejoinable operators. If there are clauses int2var = int4var and
|
|
-- int4var = int8var, the planner will deduce int2var = int8var ... and it
|
|
-- had better have a way to represent it.
|
|
SELECT p1.oid, p2.oid FROM pg_operator AS p1, pg_operator AS p2
|
|
WHERE p1.oprlsortop != p1.oprrsortop AND
|
|
p1.oprrsortop = p2.oprlsortop AND
|
|
p2.oprlsortop != p2.oprrsortop AND
|
|
NOT EXISTS (SELECT 1 FROM pg_operator p3 WHERE
|
|
p3.oprlsortop = p1.oprlsortop AND p3.oprrsortop = p2.oprrsortop);
|
|
oid | oid
|
|
-----+-----
|
|
(0 rows)
|
|
|
|
-- Hashing only works on simple equality operators "type = sametype",
|
|
-- since the hash itself depends on the bitwise representation of the type.
|
|
-- Check that allegedly hashable operators look like they might be "=".
|
|
SELECT p1.oid, p1.oprname
|
|
FROM pg_operator AS p1
|
|
WHERE p1.oprcanhash AND NOT
|
|
(p1.oprkind = 'b' AND p1.oprresult = 'bool'::regtype AND
|
|
p1.oprleft = p1.oprright AND p1.oprname IN ('=', '~=~') AND
|
|
p1.oprcom = p1.oid);
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- In 6.5 we accepted hashable array equality operators when the array element
|
|
-- type is hashable. However, what we actually need to make hashjoin work on
|
|
-- an array is a hashable element type *and* no padding between elements in
|
|
-- the array storage (or, perhaps, guaranteed-zero padding). Currently,
|
|
-- since the padding code in arrayfuncs.c is pretty bogus, it seems safest
|
|
-- to just forbid hashjoin on array equality ops.
|
|
-- This should be reconsidered someday.
|
|
-- -- Look for array equality operators that are hashable when the underlying
|
|
-- -- type is not, or vice versa. This is presumably bogus.
|
|
--
|
|
-- SELECT p1.oid, p1.oprcanhash, p2.oid, p2.oprcanhash, t1.typname, t2.typname
|
|
-- FROM pg_operator AS p1, pg_operator AS p2, pg_type AS t1, pg_type AS t2
|
|
-- WHERE p1.oprname = '=' AND p1.oprleft = p1.oprright AND
|
|
-- p2.oprname = '=' AND p2.oprleft = p2.oprright AND
|
|
-- p1.oprleft = t1.oid AND p2.oprleft = t2.oid AND t1.typelem = t2.oid AND
|
|
-- p1.oprcanhash != p2.oprcanhash;
|
|
-- Substitute check: forbid hashable array ops, period.
|
|
SELECT p1.oid, p1.oprname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprcanhash AND p1.oprcode = p2.oid AND p2.proname = 'array_eq';
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Hashable operators should appear as members of hash index opclasses.
|
|
SELECT p1.oid, p1.oprname
|
|
FROM pg_operator AS p1
|
|
WHERE p1.oprcanhash AND NOT EXISTS
|
|
(SELECT 1 FROM pg_opclass op JOIN pg_amop p ON op.oid = amopclaid
|
|
WHERE opcamid = (SELECT oid FROM pg_am WHERE amname = 'hash') AND
|
|
amopopr = p1.oid);
|
|
oid | oprname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- Check that each operator defined in pg_operator matches its oprcode entry
|
|
-- in pg_proc. Easiest to do this separately for each oprkind.
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprcode = p2.oid AND
|
|
p1.oprkind = 'b' AND
|
|
(p2.pronargs != 2
|
|
OR NOT binary_coercible(p2.prorettype, p1.oprresult)
|
|
OR NOT binary_coercible(p1.oprleft, p2.proargtypes[0])
|
|
OR NOT binary_coercible(p1.oprright, p2.proargtypes[1]));
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprcode = p2.oid AND
|
|
p1.oprkind = 'l' AND
|
|
(p2.pronargs != 1
|
|
OR NOT binary_coercible(p2.prorettype, p1.oprresult)
|
|
OR NOT binary_coercible(p1.oprright, p2.proargtypes[0])
|
|
OR p1.oprleft != 0);
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprcode = p2.oid AND
|
|
p1.oprkind = 'r' AND
|
|
(p2.pronargs != 1
|
|
OR NOT binary_coercible(p2.prorettype, p1.oprresult)
|
|
OR NOT binary_coercible(p1.oprleft, p2.proargtypes[0])
|
|
OR p1.oprright != 0);
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- If the operator is mergejoinable or hashjoinable, its underlying function
|
|
-- should not be volatile.
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprcode = p2.oid AND
|
|
(p1.oprlsortop != 0 OR p1.oprcanhash) AND
|
|
p2.provolatile = 'v';
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- If oprrest is set, the operator must return boolean,
|
|
-- and it must link to a proc with the right signature
|
|
-- to be a restriction selectivity estimator.
|
|
-- The proc signature we want is: float8 proc(internal, oid, internal, int4)
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprrest = p2.oid AND
|
|
(p1.oprresult != 'bool'::regtype OR
|
|
p2.prorettype != 'float8'::regtype OR p2.proretset OR
|
|
p2.pronargs != 4 OR
|
|
p2.proargtypes[0] != 'internal'::regtype OR
|
|
p2.proargtypes[1] != 'oid'::regtype OR
|
|
p2.proargtypes[2] != 'internal'::regtype OR
|
|
p2.proargtypes[3] != 'int4'::regtype);
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- If oprjoin is set, the operator must be a binary boolean op,
|
|
-- and it must link to a proc with the right signature
|
|
-- to be a join selectivity estimator.
|
|
-- The proc signature we want is: float8 proc(internal, oid, internal, int2)
|
|
SELECT p1.oid, p1.oprname, p2.oid, p2.proname
|
|
FROM pg_operator AS p1, pg_proc AS p2
|
|
WHERE p1.oprjoin = p2.oid AND
|
|
(p1.oprkind != 'b' OR p1.oprresult != 'bool'::regtype OR
|
|
p2.prorettype != 'float8'::regtype OR p2.proretset OR
|
|
p2.pronargs != 4 OR
|
|
p2.proargtypes[0] != 'internal'::regtype OR
|
|
p2.proargtypes[1] != 'oid'::regtype OR
|
|
p2.proargtypes[2] != 'internal'::regtype OR
|
|
p2.proargtypes[3] != 'int2'::regtype);
|
|
oid | oprname | oid | proname
|
|
-----+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- **************** pg_aggregate ****************
|
|
-- Look for illegal values in pg_aggregate fields.
|
|
SELECT ctid, aggfnoid::oid
|
|
FROM pg_aggregate as p1
|
|
WHERE aggfnoid = 0 OR aggtransfn = 0 OR aggtranstype = 0;
|
|
ctid | aggfnoid
|
|
------+----------
|
|
(0 rows)
|
|
|
|
-- Make sure the matching pg_proc entry is sensible, too.
|
|
SELECT a.aggfnoid::oid, p.proname
|
|
FROM pg_aggregate as a, pg_proc as p
|
|
WHERE a.aggfnoid = p.oid AND
|
|
(NOT p.proisagg OR p.pronargs != 1 OR p.proretset);
|
|
aggfnoid | proname
|
|
----------+---------
|
|
(0 rows)
|
|
|
|
-- Make sure there are no proisagg pg_proc entries without matches.
|
|
SELECT oid, proname
|
|
FROM pg_proc as p
|
|
WHERE p.proisagg AND
|
|
NOT EXISTS (SELECT 1 FROM pg_aggregate a WHERE a.aggfnoid = p.oid);
|
|
oid | proname
|
|
-----+---------
|
|
(0 rows)
|
|
|
|
-- If there is no finalfn then the output type must be the transtype.
|
|
SELECT a.aggfnoid::oid, p.proname
|
|
FROM pg_aggregate as a, pg_proc as p
|
|
WHERE a.aggfnoid = p.oid AND
|
|
a.aggfinalfn = 0 AND p.prorettype != a.aggtranstype;
|
|
aggfnoid | proname
|
|
----------+---------
|
|
(0 rows)
|
|
|
|
-- Cross-check transfn against its entry in pg_proc.
|
|
-- NOTE: use physically_coercible here, not binary_coercible, because
|
|
-- max and min on abstime are implemented using int4larger/int4smaller.
|
|
SELECT a.aggfnoid::oid, p.proname, ptr.oid, ptr.proname
|
|
FROM pg_aggregate AS a, pg_proc AS p, pg_proc AS ptr
|
|
WHERE a.aggfnoid = p.oid AND
|
|
a.aggtransfn = ptr.oid AND
|
|
(ptr.proretset
|
|
OR NOT physically_coercible(ptr.prorettype, a.aggtranstype)
|
|
OR NOT physically_coercible(a.aggtranstype, ptr.proargtypes[0])
|
|
OR NOT ((ptr.pronargs = 2 AND
|
|
physically_coercible(p.proargtypes[0], ptr.proargtypes[1]))
|
|
OR
|
|
(ptr.pronargs = 1 AND
|
|
p.proargtypes[0] = '"any"'::regtype)));
|
|
aggfnoid | proname | oid | proname
|
|
----------+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Cross-check finalfn (if present) against its entry in pg_proc.
|
|
SELECT a.aggfnoid::oid, p.proname, pfn.oid, pfn.proname
|
|
FROM pg_aggregate AS a, pg_proc AS p, pg_proc AS pfn
|
|
WHERE a.aggfnoid = p.oid AND
|
|
a.aggfinalfn = pfn.oid AND
|
|
(pfn.proretset
|
|
OR NOT binary_coercible(pfn.prorettype, p.prorettype)
|
|
OR pfn.pronargs != 1
|
|
OR NOT binary_coercible(a.aggtranstype, pfn.proargtypes[0]));
|
|
aggfnoid | proname | oid | proname
|
|
----------+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- If transfn is strict then either initval should be non-NULL, or
|
|
-- input type should match transtype so that the first non-null input
|
|
-- can be assigned as the state value.
|
|
SELECT a.aggfnoid::oid, p.proname, ptr.oid, ptr.proname
|
|
FROM pg_aggregate AS a, pg_proc AS p, pg_proc AS ptr
|
|
WHERE a.aggfnoid = p.oid AND
|
|
a.aggtransfn = ptr.oid AND ptr.proisstrict AND
|
|
a.agginitval IS NULL AND
|
|
NOT binary_coercible(p.proargtypes[0], a.aggtranstype);
|
|
aggfnoid | proname | oid | proname
|
|
----------+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- **************** pg_opclass ****************
|
|
-- 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.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.amopstrategy
|
|
FROM pg_amop as p1
|
|
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, 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 operators
|
|
-- as AM expects for each opclass for the AM. When nondefault subtypes are
|
|
-- present, enforce condition separately for each subtype.
|
|
SELECT p1.oid, p1.amname, p2.oid, p2.opcname, p3.amopsubtype
|
|
FROM pg_am AS p1, pg_opclass AS p2, pg_amop AS p3
|
|
WHERE p2.opcamid = p1.oid AND p3.amopclaid = p2.oid AND
|
|
p1.amstrategies != (SELECT count(*) FROM pg_amop AS p4
|
|
WHERE p4.amopclaid = p2.oid AND
|
|
p4.amopsubtype = p3.amopsubtype);
|
|
oid | amname | oid | opcname | amopsubtype
|
|
-----+--------+-----+---------+-------------
|
|
(0 rows)
|
|
|
|
-- Check that amopopr points at a reasonable-looking operator, ie a binary
|
|
-- operator yielding boolean.
|
|
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 != 'bool'::regtype);
|
|
amopclaid | amopopr | oid | oprname
|
|
-----------+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Make a list of all the distinct operator names being used in particular
|
|
-- strategy slots. This is a bit hokey, since the list might need to change
|
|
-- in future releases, but it's an effective way of spotting mistakes such as
|
|
-- swapping two operators within a class.
|
|
SELECT DISTINCT opcamid, amopstrategy, oprname
|
|
FROM pg_amop p1 LEFT JOIN pg_opclass p2 ON amopclaid = p2.oid
|
|
LEFT JOIN pg_operator p3 ON amopopr = p3.oid
|
|
ORDER BY 1, 2, 3;
|
|
opcamid | amopstrategy | oprname
|
|
---------+--------------+---------
|
|
402 | 1 | <<
|
|
402 | 2 | &<
|
|
402 | 3 | &&
|
|
402 | 4 | &>
|
|
402 | 5 | >>
|
|
402 | 6 | ~=
|
|
402 | 7 | ~
|
|
402 | 8 | @
|
|
403 | 1 | <
|
|
403 | 1 | ~<~
|
|
403 | 2 | <=
|
|
403 | 2 | ~<=~
|
|
403 | 3 | =
|
|
403 | 3 | ~=~
|
|
403 | 4 | >=
|
|
403 | 4 | ~>=~
|
|
403 | 5 | >
|
|
403 | 5 | ~>~
|
|
405 | 1 | =
|
|
405 | 1 | ~=~
|
|
(20 rows)
|
|
|
|
-- Check that all operators linked to by opclass entries have selectivity
|
|
-- estimators. This is not absolutely required, but it seems a reasonable
|
|
-- thing to insist on for all standard datatypes.
|
|
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.oprrest = 0 OR p2.oprjoin = 0);
|
|
amopclaid | amopopr | oid | oprname
|
|
-----------+---------+-----+---------
|
|
(0 rows)
|
|
|
|
-- Check that operator input types match the opclass
|
|
-- For 7.5, we require that oprleft match opcintype (possibly by coercion).
|
|
-- When amopsubtype is zero (default), oprright must equal oprleft;
|
|
-- when amopsubtype is not zero, oprright must equal amopsubtype.
|
|
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
|
|
NOT binary_coercible(p3.opcintype, p2.oprleft);
|
|
amopclaid | amopopr | oid | oprname | opcname
|
|
-----------+---------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
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
|
|
p1.amopsubtype = 0 AND
|
|
p2.oprleft != p2.oprright;
|
|
amopclaid | amopopr | oid | oprname | opcname
|
|
-----------+---------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
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
|
|
p1.amopsubtype != 0 AND
|
|
p1.amopsubtype != p2.oprright;
|
|
amopclaid | amopopr | oid | oprname | opcname
|
|
-----------+---------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
-- Operators that are primary members of opclasses must be immutable (else
|
|
-- it suggests that the index ordering isn't fixed). Operators that are
|
|
-- cross-type members need only be stable, since they are just shorthands
|
|
-- for index probe queries.
|
|
SELECT p1.amopclaid, p1.amopopr, p2.oprname, p3.prosrc
|
|
FROM pg_amop AS p1, pg_operator AS p2, pg_proc AS p3
|
|
WHERE p1.amopopr = p2.oid AND p2.oprcode = p3.oid AND
|
|
p1.amopsubtype = 0 AND
|
|
p3.provolatile != 'i';
|
|
amopclaid | amopopr | oprname | prosrc
|
|
-----------+---------+---------+--------
|
|
(0 rows)
|
|
|
|
SELECT p1.amopclaid, p1.amopopr, p2.oprname, p3.prosrc
|
|
FROM pg_amop AS p1, pg_operator AS p2, pg_proc AS p3
|
|
WHERE p1.amopopr = p2.oid AND p2.oprcode = p3.oid AND
|
|
p1.amopsubtype != 0 AND
|
|
p3.provolatile = 'v';
|
|
amopclaid | amopopr | oprname | prosrc
|
|
-----------+---------+---------+--------
|
|
(0 rows)
|
|
|
|
-- **************** pg_amproc ****************
|
|
-- Look for illegal values in pg_amproc fields
|
|
SELECT p1.amopclaid, p1.amprocnum
|
|
FROM pg_amproc as p1
|
|
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.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 for the AM. When nondefault subtypes are
|
|
-- present, enforce condition separately for each subtype.
|
|
SELECT p1.oid, p1.amname, p2.oid, p2.opcname, p3.amprocsubtype
|
|
FROM pg_am AS p1, pg_opclass AS p2, pg_amproc AS p3
|
|
WHERE p2.opcamid = p1.oid AND p3.amopclaid = p2.oid AND
|
|
p1.amsupport != (SELECT count(*) FROM pg_amproc AS p4
|
|
WHERE p4.amopclaid = p2.oid AND
|
|
p4.amprocsubtype = p3.amprocsubtype);
|
|
oid | amname | oid | opcname | amprocsubtype
|
|
-----+--------+-----+---------+---------------
|
|
(0 rows)
|
|
|
|
-- Unfortunately, we can't check the amproc link very well because the
|
|
-- signature of the function may be different for different support routines
|
|
-- 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
|
|
-- for a general check...
|
|
SELECT p1.amopclaid, p1.amprocnum,
|
|
p2.oid, p2.proname,
|
|
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)
|
|
|
|
-- For btree, though, we can do better since we know the support routines
|
|
-- must be of the form cmp(input, input) returns int4 in the default case
|
|
-- (subtype = 0), and cmp(input, subtype) returns int4 when subtype != 0.
|
|
SELECT p1.amopclaid, p1.amprocnum,
|
|
p2.oid, p2.proname,
|
|
p3.opcname
|
|
FROM pg_amproc AS p1, pg_proc AS p2, pg_opclass AS p3
|
|
WHERE p3.opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree')
|
|
AND p1.amopclaid = p3.oid AND p1.amproc = p2.oid AND
|
|
amprocsubtype = 0 AND
|
|
(opckeytype != 0
|
|
OR amprocnum != 1
|
|
OR proretset
|
|
OR prorettype != 23
|
|
OR pronargs != 2
|
|
OR NOT binary_coercible(opcintype, proargtypes[0])
|
|
OR proargtypes[0] != proargtypes[1]);
|
|
amopclaid | amprocnum | oid | proname | opcname
|
|
-----------+-----------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
SELECT p1.amopclaid, p1.amprocnum,
|
|
p2.oid, p2.proname,
|
|
p3.opcname
|
|
FROM pg_amproc AS p1, pg_proc AS p2, pg_opclass AS p3
|
|
WHERE p3.opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree')
|
|
AND p1.amopclaid = p3.oid AND p1.amproc = p2.oid AND
|
|
amprocsubtype != 0 AND
|
|
(opckeytype != 0
|
|
OR amprocnum != 1
|
|
OR proretset
|
|
OR prorettype != 23
|
|
OR pronargs != 2
|
|
OR NOT binary_coercible(opcintype, proargtypes[0])
|
|
OR proargtypes[1] != amprocsubtype);
|
|
amopclaid | amprocnum | oid | proname | opcname
|
|
-----------+-----------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
-- For hash we can also do a little better: the support routines must be
|
|
-- of the form hash(something) returns int4. Ideally we'd check that the
|
|
-- opcintype is binary-coercible to the function's input, but there are
|
|
-- enough cases where that fails that I'll just leave out the check for now.
|
|
SELECT p1.amopclaid, p1.amprocnum,
|
|
p2.oid, p2.proname,
|
|
p3.opcname
|
|
FROM pg_amproc AS p1, pg_proc AS p2, pg_opclass AS p3
|
|
WHERE p3.opcamid = (SELECT oid FROM pg_am WHERE amname = 'hash')
|
|
AND p1.amopclaid = p3.oid AND p1.amproc = p2.oid AND
|
|
(opckeytype != 0
|
|
OR amprocnum != 1
|
|
OR proretset
|
|
OR prorettype != 23
|
|
OR pronargs != 1
|
|
-- OR NOT physically_coercible(opcintype, proargtypes[0])
|
|
);
|
|
amopclaid | amprocnum | oid | proname | opcname
|
|
-----------+-----------+-----+---------+---------
|
|
(0 rows)
|
|
|
|
-- Support routines that are primary members of opclasses must be immutable
|
|
-- (else it suggests that the index ordering isn't fixed). But cross-type
|
|
-- members need only be stable, since they are just shorthands
|
|
-- for index probe queries.
|
|
SELECT p1.amopclaid, p1.amproc, p2.prosrc
|
|
FROM pg_amproc AS p1, pg_proc AS p2
|
|
WHERE p1.amproc = p2.oid AND
|
|
p1.amprocsubtype = 0 AND
|
|
p2.provolatile != 'i';
|
|
amopclaid | amproc | prosrc
|
|
-----------+--------+--------
|
|
(0 rows)
|
|
|
|
SELECT p1.amopclaid, p1.amproc, p2.prosrc
|
|
FROM pg_amproc AS p1, pg_proc AS p2
|
|
WHERE p1.amproc = p2.oid AND
|
|
p1.amprocsubtype != 0 AND
|
|
p2.provolatile = 'v';
|
|
amopclaid | amproc | prosrc
|
|
-----------+--------+--------
|
|
(0 rows)
|
|
|