Date: Wed, 16 Dec 2020 11:22:23 -0600
From: Justin Pryzby <pryzby@telsasoft.com>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Andres Freund <andres@anarazel.de>,
	buschmann@nidsa.net, pgsql-hackers@lists.postgresql.org
Subject: Re: pg_upgrade test for binary compatibility of core data types
Message-ID: <20201216172222.GS30237@telsasoft.com>
References: <20191010204022.6hiiubm2cueu3ghk@development>
 <20191013001032.lqrn4kqaovhrf77l@development>
 <17717.1570991208@sss.pgh.pa.us>
 <20191013203848.2eksimmpux3546wr@development>
 <27596.1571062600@sss.pgh.pa.us>
 <20191014163538.cqn6j4cl7s2mk2yz@development>
 <20191015001817.zei45apgpu5dzngr@development>
 <20191015044118.GO3599@telsasoft.com>
 <20191015070725.csmdmdvrlb6klwkg@development>
 <20201206180248.GI24052@telsasoft.com>
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On Sun, Dec 06, 2020 at 12:02:48PM -0600, Justin Pryzby wrote:
> I meant to notice if the binary format is accidentally changed again, which was
> what happened here:
> 7c15cef86 Base information_schema.sql_identifier domain on name, not varchar.
> 
> I added a table to the regression tests so it's processed by pg_upgrade tests,
> run like:
> 
> | time make -C src/bin/pg_upgrade check oldsrc=`pwd`/11 oldbindir=`pwd`/11/tmp_install/usr/local/pgsql/bin

Per cfbot, this avoids testing ::xml (support for which may not be enabled)
And also now tests oid types.

I think the per-version hacks should be grouped by logical change, rather than
by version.  Which I've started doing here.

-- 
Justin

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Content-Type: text/x-diff; charset=us-ascii
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 filename="v2-0001-WIP-pg_upgrade-test.sh-changes-needed-to-allow-te.patch"

From 6a5bcdf6b3c9244e164455792cec612e317cb8d3 Mon Sep 17 00:00:00 2001
From: Justin Pryzby <pryzbyj@telsasoft.com>
Date: Sat, 5 Dec 2020 22:31:19 -0600
Subject: [PATCH v2 1/3] WIP: pg_upgrade/test.sh: changes needed to allow
 testing upgrade from v11

---
 src/bin/pg_upgrade/test.sh | 92 ++++++++++++++++++++++++++++++++++----
 1 file changed, 84 insertions(+), 8 deletions(-)

diff --git a/src/bin/pg_upgrade/test.sh b/src/bin/pg_upgrade/test.sh
index 04aa7fd9f5..9733217535 100644
--- a/src/bin/pg_upgrade/test.sh
+++ b/src/bin/pg_upgrade/test.sh
@@ -23,7 +23,7 @@ standard_initdb() {
 	# To increase coverage of non-standard segment size and group access
 	# without increasing test runtime, run these tests with a custom setting.
 	# Also, specify "-A trust" explicitly to suppress initdb's warning.
-	"$1" -N --wal-segsize 1 -g -A trust
+	"$1" -N -A trust
 	if [ -n "$TEMP_CONFIG" -a -r "$TEMP_CONFIG" ]
 	then
 		cat "$TEMP_CONFIG" >> "$PGDATA/postgresql.conf"
@@ -108,6 +108,9 @@ export EXTRA_REGRESS_OPTS
 mkdir "$outputdir"
 mkdir "$outputdir"/testtablespace
 
+mkdir "$outputdir"/sql
+mkdir "$outputdir"/expected
+
 logdir=`pwd`/log
 rm -rf "$logdir"
 mkdir "$logdir"
@@ -172,16 +175,83 @@ if "$MAKE" -C "$oldsrc" installcheck-parallel; then
 		fix_sql=""
 		case $oldpgversion in
 			804??)
-				fix_sql="DROP FUNCTION public.myfunc(integer); DROP FUNCTION public.oldstyle_length(integer, text);"
+				fix_sql="$fix_sql DROP FUNCTION public.myfunc(integer);"
 				;;
-			*)
-				fix_sql="DROP FUNCTION public.oldstyle_length(integer, text);"
+		esac
+
+		# Removed in v10 commit 5ded4bd21
+		case $oldpgversion in
+			804??|9????)
+				fix_sql="$fix_sql DROP FUNCTION public.oldstyle_length(integer, text);"
+				;;
+		esac
+
+		# commit 068503c76511cdb0080bab689662a20e86b9c845
+		case $oldpgversion in
+			10????) # XXX
+				fix_sql="$fix_sql DROP TRANSFORM FOR integer LANGUAGE sql CASCADE;"
+				;;
+		esac
+
+		# commit db3af9feb19f39827e916145f88fa5eca3130cb2
+		case $oldpgversion in
+			10????) # XXX
+				fix_sql="$fix_sql DROP FUNCTION boxarea(box);"
+				fix_sql="$fix_sql DROP FUNCTION funny_dup17();"
 				;;
 		esac
+
+		# commit cda6a8d01d391eab45c4b3e0043a1b2b31072f5f
+		case $oldpgversion in
+			10????) # XXX
+				fix_sql="$fix_sql DROP TABLE abstime_tbl;"
+				fix_sql="$fix_sql DROP TABLE reltime_tbl;"
+				fix_sql="$fix_sql DROP TABLE tinterval_tbl;"
+				;;
+		esac
+
+		# Various things removed for v14
+		case $oldpgversion in
+			804??|9????|10????|11????|12????|13????)
+				# commit 76f412ab3
+				# This one is only needed for v11+ ??
+				# (see below for more operators removed that also apply to older versions)
+				fix_sql="$fix_sql DROP OPERATOR public.!=- (pg_catalog.int8, NONE);"
+				;;
+		esac
+		case $oldpgversion in
+			804??|9????|10????|11????|12????|13????)
+				# commit 76f412ab3
+				fix_sql="$fix_sql DROP OPERATOR public.#@# (pg_catalog.int8, NONE);"
+				fix_sql="$fix_sql DROP OPERATOR public.#%# (pg_catalog.int8, NONE);"
+				fix_sql="$fix_sql DROP OPERATOR public.#@%# (pg_catalog.int8, NONE);"
+
+				# commit 9e38c2bb5 and 97f73a978
+				# fix_sql="$fix_sql DROP AGGREGATE array_larger_accum(anyarray);"
+				fix_sql="$fix_sql DROP AGGREGATE array_cat_accum(anyarray);"
+				fix_sql="$fix_sql DROP AGGREGATE first_el_agg_any(anyelement);"
+
+				# commit 76f412ab3
+				#fix_sql="$fix_sql DROP OPERATOR @#@(bigint,NONE);"
+				fix_sql="$fix_sql DROP OPERATOR @#@(NONE,bigint);"
+				;;
+		esac
+
+		# commit 578b22971: OIDS removed in v12
+		case $oldpgversion in
+			804??|9????|10????|11????)
+				fix_sql="$fix_sql ALTER TABLE public.tenk1 SET WITHOUT OIDS;"
+				fix_sql="$fix_sql ALTER TABLE public.tenk1 SET WITHOUT OIDS;"
+				#fix_sql="$fix_sql ALTER TABLE public.stud_emp SET WITHOUT OIDS;" # inherited
+				fix_sql="$fix_sql ALTER TABLE public.emp SET WITHOUT OIDS;"
+				fix_sql="$fix_sql ALTER TABLE public.tt7 SET WITHOUT OIDS;"
+				;;
+		esac
+
 		psql -X -d regression -c "$fix_sql;" || psql_fix_sql_status=$?
 	fi
 
-	pg_dumpall --no-sync -f "$temp_root"/dump1.sql || pg_dumpall1_status=$?
+	pg_dumpall --extra-float-digits=0 --no-sync -f "$temp_root"/dump1.sql || pg_dumpall1_status=$?
 
 	if [ "$newsrc" != "$oldsrc" ]; then
 		# update references to old source tree's regress.so etc
@@ -227,23 +297,29 @@ pg_upgrade $PG_UPGRADE_OPTS -d "${PGDATA}.old" -D "$PGDATA" -b "$oldbindir" -p "
 # Windows hosts don't support Unix-y permissions.
 case $testhost in
 	MINGW*) ;;
-	*)	if [ `find "$PGDATA" -type f ! -perm 640 | wc -l` -ne 0 ]; then
+	*)
+		x=`find "$PGDATA" -type f -perm /127 -ls`
+		if [ -n "$x" ]; then
 			echo "files in PGDATA with permission != 640";
+			echo "$x" |head
 			exit 1;
 		fi ;;
 esac
 
 case $testhost in
 	MINGW*) ;;
-	*)	if [ `find "$PGDATA" -type d ! -perm 750 | wc -l` -ne 0 ]; then
+	*)
+		x=`find "$PGDATA" -type d -perm /027 -ls`
+		if [ "$x" ]; then
 			echo "directories in PGDATA with permission != 750";
+			echo "$x" |head
 			exit 1;
 		fi ;;
 esac
 
 pg_ctl start -l "$logdir/postmaster2.log" -o "$POSTMASTER_OPTS" -w
 
-pg_dumpall --no-sync -f "$temp_root"/dump2.sql || pg_dumpall2_status=$?
+pg_dumpall --extra-float-digits=0 --no-sync -f "$temp_root"/dump2.sql || pg_dumpall2_status=$?
 pg_ctl -m fast stop
 
 if [ -n "$pg_dumpall2_status" ]; then
-- 
2.17.0


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Content-Type: text/x-diff; charset=us-ascii
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 filename="v2-0002-pg_upgrade-test-to-exercise-binary-compatibility.patch"

From 6feef4f0ef4637a2daca7114e7a5c2df687d738d Mon Sep 17 00:00:00 2001
From: Justin Pryzby <pryzbyj@telsasoft.com>
Date: Sat, 5 Dec 2020 17:20:09 -0600
Subject: [PATCH v2 2/3] pg_upgrade: test to exercise binary compatibility

Creating a table with columns of many different datatypes.
---
 src/test/regress/expected/sanity_check.out |  1 +
 src/test/regress/expected/type_sanity.out  | 38 ++++++++++++++++++++++
 src/test/regress/sql/type_sanity.sql       | 37 +++++++++++++++++++++
 3 files changed, 76 insertions(+)

diff --git a/src/test/regress/expected/sanity_check.out b/src/test/regress/expected/sanity_check.out
index 192445878d..aa0a4fd9be 100644
--- a/src/test/regress/expected/sanity_check.out
+++ b/src/test/regress/expected/sanity_check.out
@@ -69,6 +69,7 @@ line_tbl|f
 log_table|f
 lseg_tbl|f
 main_table|f
+manytypes|f
 mlparted|f
 mlparted1|f
 mlparted11|f
diff --git a/src/test/regress/expected/type_sanity.out b/src/test/regress/expected/type_sanity.out
index 13567ddf84..97cf72bf78 100644
--- a/src/test/regress/expected/type_sanity.out
+++ b/src/test/regress/expected/type_sanity.out
@@ -660,3 +660,41 @@ WHERE pronargs != 2
 ----------+------------+---------
 (0 rows)
 
+-- Create a table with different data types, to exercise binary compatibility
+-- during pg_upgrade test
+CREATE TABLE manytypes AS SELECT
+'(11,12)'::point, '(1,1),(2,2)'::line,
+'((11,11),(12,12))'::lseg, '((11,11),(13,13))'::box,
+'((11,12),(13,13),(14,14))'::path AS openedpath, '[(11,12),(13,13),(14,14)]'::path AS closedpath,
+'((11,12),(13,13),(14,14))'::polygon, '1,1,1'::circle,
+'today'::date, 'now'::time, 'now'::timestamp, 'now'::timetz, 'now'::timestamptz, '12 seconds'::interval,
+'{"reason":"because"}'::json, '{"when":"now"}'::jsonb, '$.a[*] ? (@ > 2)'::jsonpath,
+'127.0.0.1'::inet, '127.0.0.0/8'::cidr, '00:01:03:86:1c:ba'::macaddr8, '00:01:03:86:1c:ba'::macaddr,
+2::int2, 4::int4, 8::int8, 4::float4, '8'::float8, pi()::numeric,
+'c'::bpchar, 'abc'::varchar, 'name'::name, 'txt'::text, true::bool,
+E'\\xDEADBEEF'::bytea, B'10001'::bit, B'10001'::varbit AS varbit, '12.34'::money,
+'abc'::refcursor,
+'1 2'::int2vector, '1 2'::oidvector, format('%s=UC/%s', USER, USER)::aclitem,
+'a fat cat sat on a mat and ate a fat rat'::tsvector, 'fat & rat'::tsquery,
+'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid, '11'::xid8,
+'pg_class'::regclass, 'regtype'::regtype type,
+'pg_class'::regclass::oid, '(1,1)'::tid, '2'::xid, '3'::cid,
+1::information_schema.cardinal_number,
+'l'::information_schema.character_data,
+'n'::information_schema.sql_identifier,
+'now'::information_schema.time_stamp,
+'YES'::information_schema.yes_or_no;
+-- And now a test on the previous test, checking that all core types are
+-- included in this table (or some other non-catalog table processed by pg_upgrade).
+SELECT typname, typtype, typelem, typarray, typarray FROM pg_type t
+WHERE typnamespace IN ('pg_catalog'::regnamespace, 'information_schema'::regnamespace)
+AND typtype IN ('b', 'e', 'd')
+-- reg* cannot be pg_upgraded
+AND NOT typname~'_|^char$|^reg'
+-- XML might be disabled at compile-time
+AND oid != ALL(ARRAY['gtsvector', 'xml']::regtype[])
+AND NOT EXISTS (SELECT * FROM pg_attribute a WHERE a.atttypid=t.oid AND a.attnum>0 AND a.attrelid='manytypes'::regclass);
+ typname | typtype | typelem | typarray | typarray 
+---------+---------+---------+----------+----------
+(0 rows)
+
diff --git a/src/test/regress/sql/type_sanity.sql b/src/test/regress/sql/type_sanity.sql
index 8c6e614f20..e3012b0888 100644
--- a/src/test/regress/sql/type_sanity.sql
+++ b/src/test/regress/sql/type_sanity.sql
@@ -489,3 +489,40 @@ FROM pg_range p1 JOIN pg_proc p ON p.oid = p1.rngsubdiff
 WHERE pronargs != 2
     OR proargtypes[0] != rngsubtype OR proargtypes[1] != rngsubtype
     OR prorettype != 'pg_catalog.float8'::regtype;
+
+-- Create a table with different data types, to exercise binary compatibility
+-- during pg_upgrade test
+
+CREATE TABLE manytypes AS SELECT
+'(11,12)'::point, '(1,1),(2,2)'::line,
+'((11,11),(12,12))'::lseg, '((11,11),(13,13))'::box,
+'((11,12),(13,13),(14,14))'::path AS openedpath, '[(11,12),(13,13),(14,14)]'::path AS closedpath,
+'((11,12),(13,13),(14,14))'::polygon, '1,1,1'::circle,
+'today'::date, 'now'::time, 'now'::timestamp, 'now'::timetz, 'now'::timestamptz, '12 seconds'::interval,
+'{"reason":"because"}'::json, '{"when":"now"}'::jsonb, '$.a[*] ? (@ > 2)'::jsonpath,
+'127.0.0.1'::inet, '127.0.0.0/8'::cidr, '00:01:03:86:1c:ba'::macaddr8, '00:01:03:86:1c:ba'::macaddr,
+2::int2, 4::int4, 8::int8, 4::float4, '8'::float8, pi()::numeric,
+'c'::bpchar, 'abc'::varchar, 'name'::name, 'txt'::text, true::bool,
+E'\\xDEADBEEF'::bytea, B'10001'::bit, B'10001'::varbit AS varbit, '12.34'::money,
+'abc'::refcursor,
+'1 2'::int2vector, '1 2'::oidvector, format('%s=UC/%s', USER, USER)::aclitem,
+'a fat cat sat on a mat and ate a fat rat'::tsvector, 'fat & rat'::tsquery,
+'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid, '11'::xid8,
+'pg_class'::regclass, 'regtype'::regtype type,
+'pg_class'::regclass::oid, '(1,1)'::tid, '2'::xid, '3'::cid,
+1::information_schema.cardinal_number,
+'l'::information_schema.character_data,
+'n'::information_schema.sql_identifier,
+'now'::information_schema.time_stamp,
+'YES'::information_schema.yes_or_no;
+
+-- And now a test on the previous test, checking that all core types are
+-- included in this table (or some other non-catalog table processed by pg_upgrade).
+SELECT typname, typtype, typelem, typarray, typarray FROM pg_type t
+WHERE typnamespace IN ('pg_catalog'::regnamespace, 'information_schema'::regnamespace)
+AND typtype IN ('b', 'e', 'd')
+-- reg* cannot be pg_upgraded
+AND NOT typname~'_|^char$|^reg'
+-- XML might be disabled at compile-time
+AND oid != ALL(ARRAY['gtsvector', 'xml']::regtype[])
+AND NOT EXISTS (SELECT * FROM pg_attribute a WHERE a.atttypid=t.oid AND a.attnum>0 AND a.attrelid='manytypes'::regclass);
-- 
2.17.0


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