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Commitfae5f08

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Move into separate file all the SQL queries used in pg_upgrade tests
The existing pg_upgrade/test.sh and the buildfarm code have been holdingthe same set of SQL queries when doing cross-version upgrade tests toadapt the objects created by the regression tests before the upgrade(mostly, incompatible or non-existing objects need to be dropped fromthe origin, perhaps re-created).This moves all those SQL queries into a new, separate, file with a setof \if clauses to handle the version checks depending on the old versionof the cluster to-be-upgraded.The long-term plan is to make the buildfarm code re-use this new SQLfile, so as committers are able to fix any compatibility issues in thetests of pg_upgrade with a refresh of the core code, without having topoke at the buildfarm client. Note that this is only able to handle themain regression test suite, and that nothing is done yet for contribmodules yet (these have more issues like their database names).A backpatch down to 10 is done, adapting the version checks as thisscript needs to be only backward-compatible, so as it becomes possibleto clean up a maximum amount of code within the buildfarm client.Author: Justin Pryzby, Michael PaquierDiscussion:https://postgr.es/m/20201206180248.GI24052@telsasoft.comBackpatch-through: 10
1 parent7413caa commitfae5f08

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2 files changed

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2 files changed

+85
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‎src/bin/pg_upgrade/test.sh

Lines changed: 5 additions & 36 deletions
Original file line numberDiff line numberDiff line change
@@ -176,42 +176,11 @@ if "$MAKE" -C "$oldsrc" installcheck-parallel; then
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# Before dumping, tweak the database of the old instance depending
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# on its version.
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if ["$newsrc"!="$oldsrc" ];then
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fix_sql=""
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# Get rid of objects not feasible in later versions
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case$oldpgversionin
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804??)
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fix_sql="DROP FUNCTION public.myfunc(integer);"
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;;
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esac
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# Last appeared in v9.6
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if [$oldpgversion-lt 100000 ];then
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fix_sql="$fix_sql
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DROP FUNCTION IF EXISTS
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public.oldstyle_length(integer, text);"
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fi
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psql -X -d regression -c"$fix_sql;"|| psql_fix_sql_status=$?
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# WITH OIDS is not supported anymore in v12, so remove support
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# for any relations marked as such.
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if [$oldpgversion-lt 120000 ];then
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fix_sql="DO\$stmt\$
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DECLARE
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rec text;
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BEGIN
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FOR rec in
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SELECT oid::regclass::text
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FROM pg_class
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WHERE relname !~ '^pg_'
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AND relhasoids
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AND relkind in ('r','m')
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ORDER BY 1
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LOOP
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execute 'ALTER TABLE ' || rec || ' SET WITHOUT OIDS';
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END LOOP;
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END;\$stmt\$;"
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psql -X -d regression -c"$fix_sql;"|| psql_fix_sql_status=$?
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fi
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# This SQL script has its own idea of the cleanup that needs to be
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# done on the cluster to-be-upgraded, and includes version checks.
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# Note that this uses the script stored on the new branch.
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psql -X -d regression -f"$newsrc/src/bin/pg_upgrade/upgrade_adapt.sql" \
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|| psql_fix_sql_status=$?
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# Handling of --extra-float-digits gets messy after v12.
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# Note that this changes the dumps from the old and new

‎src/bin/pg_upgrade/upgrade_adapt.sql

Lines changed: 80 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,80 @@
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--
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-- SQL queries for upgrade tests across different major versions.
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--
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-- This file includes a set of SQL queries to make a cluster to-be-upgraded
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-- compatible with the version this file is based on. Note that this
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-- requires psql, as per-version queries are controlled with a set of \if
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-- clauses.
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-- This script is backward-compatible, so it is able to work with any version
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-- newer than 9.2 we are upgrading from, up to the branch this script is stored
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-- on (even if this would not run if running pg_upgrade with the same version
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-- for the origin and the target).
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-- \if accepts a simple boolean value, so all the version checks are
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-- saved based on this assumption.
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SELECT
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ver<=902AS oldpgversion_le92,
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ver<=904AS oldpgversion_le94,
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ver<=906AS oldpgversion_le96,
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ver<=1000AS oldpgversion_le10,
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ver<=1100AS oldpgversion_le11
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FROM (SELECT current_setting('server_version_num')::int/100AS ver)AS v;
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\gset
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-- Objects last appearing in 9.2.
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\if :oldpgversion_le92
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-- Note that those tables are removed from the regression tests in 9.3
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-- and newer versions.
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DROPTABLE abstime_tbl;
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DROPTABLE reltime_tbl;
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DROPTABLE tinterval_tbl;
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\endif
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-- Objects last appearing in 9.4.
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\if :oldpgversion_le94
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-- This aggregate has been fixed in 9.5 and later versions, so drop
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-- and re-create it.
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DROPAGGREGATE array_cat_accum(anyarray);
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CREATEAGGREGATEarray_larger_accum (anyarray) (
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sfunc= array_larger,
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stype= anyarray,
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initcond= $${}$$);
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-- This operator has been fixed in 9.5 and later versions, so drop and
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-- re-create it.
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DROPOPERATOR @#@ (NONE, bigint);
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CREATE OPERATOR @#@ (PROCEDURE = factorial,
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RIGHTARG=bigint);
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\endif
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-- Objects last appearing in 9.6.
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\if :oldpgversion_le96
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DROPFUNCTIONpublic.oldstyle_length(integer,text);
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\endif
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-- Objects last appearing in 10.
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\if :oldpgversion_le10
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DROPFUNCTION IF EXISTS boxarea(box);
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DROPFUNCTION IF EXISTS funny_dup17();
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\endif
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-- Objects last appearing in 11.
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\if :oldpgversion_le11
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-- WITH OIDS is supported until v11, so remove its support for any
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-- relations marked as such.
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DO $stmt$
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DECLARE
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rectext;
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BEGIN
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FOR recin
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SELECToid::regclass::text
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FROM pg_class
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WHERE relname !~'^pg_'
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AND relhasoids
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AND relkindin ('r','m')
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ORDER BY1
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LOOP
77+
execute'ALTER TABLE'|| rec||' SET WITHOUT OIDS';
78+
END LOOP;
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END; $stmt$;
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\endif

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