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Fixes #37859 - Re-drop evr extension in katello #11159

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Merged
sjha4 merged 1 commit into from
Dec 12, 2024
Merged

Fixes #37859 - Re-drop evr extension in katello #11159

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1 change: 0 additions & 1 deletion config/initializers/monkeys.rb
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
#place where monkey patches are required
require 'monkeys/ar_postgres_evr_t'
require 'monkeys/fx_sqlite_skip'
require 'monkeys/remove_hidden_distribution'
127 changes: 126 additions & 1 deletion db/migrate/20200213184848_create_evr_type.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,132 @@ class CreateEvrType < ActiveRecord::Migration[5.2]
def up
unless connection.adapter_name.downcase.include?('sqlite')

enable_extension "evr"
execute <<~SQL
create type evr_array_item as (
n NUMERIC,
s TEXT
);

create type evr_t as (
epoch INT,
version evr_array_item[],
release evr_array_item[]
);

CREATE FUNCTION evr_trigger() RETURNS trigger AS $$
BEGIN
NEW.evr = (select ROW(coalesce(NEW.epoch::numeric,0),
rpmver_array(coalesce(NEW.version,'empty'))::evr_array_item[],
rpmver_array(coalesce(NEW.release,'empty'))::evr_array_item[])::evr_t);
RETURN NEW;
END;
$$ language 'plpgsql';

create or replace FUNCTION empty(t TEXT)
RETURNS BOOLEAN as $$
BEGIN
return t ~ '^[[:space:]]*$';
END;
$$ language 'plpgsql';

create or replace FUNCTION isalpha(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('a') and ascii('z') or
ascii(ch) between ascii('A') and ascii('Z')
then
return TRUE;
end if;
return FALSE;
END;
$$ language 'plpgsql';

create or replace FUNCTION isalphanum(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('a') and ascii('z') or
ascii(ch) between ascii('A') and ascii('Z') or
ascii(ch) between ascii('0') and ascii('9')
then
return TRUE;
end if;
return FALSE;
END;
$$ language 'plpgsql';

create or replace function isdigit(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('0') and ascii('9')
then
return TRUE;
end if;
return FALSE;
END ;
$$ language 'plpgsql';

create or replace FUNCTION rpmver_array (string1 IN VARCHAR)
RETURNS evr_array_item[] as $$
declare
str1 VARCHAR := string1;
digits VARCHAR(10) := '0123456789';
lc_alpha VARCHAR(27) := 'abcdefghijklmnopqrstuvwxyz';
uc_alpha VARCHAR(27) := 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
alpha VARCHAR(54) := lc_alpha || uc_alpha;
one VARCHAR;
isnum BOOLEAN;
ver_array evr_array_item[] := ARRAY[]::evr_array_item[];
BEGIN
if str1 is NULL
then
RAISE EXCEPTION 'VALUE_ERROR.';
end if;

one := str1;
<<segment_loop>>
while one <> ''
loop
declare
segm1 VARCHAR;
segm1_n NUMERIC := 0;
begin
-- Throw out all non-alphanum characters
while one <> '' and not isalphanum(one)
loop
one := substr(one, 2);
end loop;
str1 := one;
if str1 <> '' and isdigit(str1)
then
str1 := ltrim(str1, digits);
isnum := true;
else
str1 := ltrim(str1, alpha);
isnum := false;
end if;
if str1 <> ''
then segm1 := substr(one, 1, length(one) - length(str1));
else segm1 := one;
end if;

if segm1 = '' then return ver_array; end if; /* arbitrary */
if isnum
then
segm1 := ltrim(segm1, '0');
if segm1 <> '' then segm1_n := segm1::numeric; end if;
segm1 := NULL;
else
end if;
ver_array := array_append(ver_array, (segm1_n, segm1)::evr_array_item);
one := str1;
end;
end loop segment_loop;

return ver_array;
END ;
$$ language 'plpgsql';

SQL

add_column :katello_rpms, :evr, :evr_t
add_column :katello_installed_packages, :evr, :evr_t
Expand Down
160 changes: 160 additions & 0 deletions db/migrate/20240924161240_katello_recreate_evr_constructs.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,160 @@
class KatelloRecreateEvrConstructs < ActiveRecord::Migration[6.1]
def up
if !extension_enabled?('evr')
return
else
execute <<~SQL
DROP EXTENSION evr CASCADE;
SQL

execute <<~SQL
create type evr_array_item as (
n NUMERIC,
s TEXT
);

create type evr_t as (
epoch INT,
version evr_array_item[],
release evr_array_item[]
);

CREATE FUNCTION evr_trigger() RETURNS trigger AS $$
BEGIN
NEW.evr = (select ROW(coalesce(NEW.epoch::numeric,0),
rpmver_array(coalesce(NEW.version,'empty'))::evr_array_item[],
rpmver_array(coalesce(NEW.release,'empty'))::evr_array_item[])::evr_t);
RETURN NEW;
END;
$$ language 'plpgsql';

create or replace FUNCTION empty(t TEXT)
RETURNS BOOLEAN as $$
BEGIN
return t ~ '^[[:space:]]*$';
END;
$$ language 'plpgsql';

create or replace FUNCTION isalpha(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('a') and ascii('z') or
ascii(ch) between ascii('A') and ascii('Z')
then
return TRUE;
end if;
return FALSE;
END;
$$ language 'plpgsql';

create or replace FUNCTION isalphanum(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('a') and ascii('z') or
ascii(ch) between ascii('A') and ascii('Z') or
ascii(ch) between ascii('0') and ascii('9')
then
return TRUE;
end if;
return FALSE;
END;
$$ language 'plpgsql';

create or replace function isdigit(ch CHAR)
RETURNS BOOLEAN as $$
BEGIN
if ascii(ch) between ascii('0') and ascii('9')
then
return TRUE;
end if;
return FALSE;
END ;
$$ language 'plpgsql';

create or replace FUNCTION rpmver_array (string1 IN VARCHAR)
RETURNS evr_array_item[] as $$
declare
str1 VARCHAR := string1;
digits VARCHAR(10) := '0123456789';
lc_alpha VARCHAR(27) := 'abcdefghijklmnopqrstuvwxyz';
uc_alpha VARCHAR(27) := 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
alpha VARCHAR(54) := lc_alpha || uc_alpha;
one VARCHAR;
isnum BOOLEAN;
ver_array evr_array_item[] := ARRAY[]::evr_array_item[];
BEGIN
if str1 is NULL
then
RAISE EXCEPTION 'VALUE_ERROR.';
end if;

one := str1;
<<segment_loop>>
while one <> ''
loop
declare
segm1 VARCHAR;
segm1_n NUMERIC := 0;
begin
-- Throw out all non-alphanum characters
while one <> '' and not isalphanum(one)
loop
one := substr(one, 2);
end loop;
str1 := one;
if str1 <> '' and isdigit(str1)
then
str1 := ltrim(str1, digits);
isnum := true;
else
str1 := ltrim(str1, alpha);
isnum := false;
end if;
if str1 <> ''
then segm1 := substr(one, 1, length(one) - length(str1));
else segm1 := one;
end if;

if segm1 = '' then return ver_array; end if; /* arbitrary */
if isnum
then
segm1 := ltrim(segm1, '0');
if segm1 <> '' then segm1_n := segm1::numeric; end if;
segm1 := NULL;
else
end if;
ver_array := array_append(ver_array, (segm1_n, segm1)::evr_array_item);
one := str1;
end;
end loop segment_loop;

return ver_array;
END ;
$$ language 'plpgsql';

SQL

add_column :katello_rpms, :evr, :evr_t
add_column :katello_installed_packages, :evr, :evr_t

execute <<-SQL
update katello_rpms SET evr = (ROW(coalesce(epoch::numeric,0),
rpmver_array(coalesce(version,'empty'))::evr_array_item[],
rpmver_array(coalesce(release,'empty'))::evr_array_item[])::evr_t);

update katello_installed_packages SET evr = (ROW(coalesce(epoch::numeric,0),
rpmver_array(coalesce(version,'empty'))::evr_array_item[],
rpmver_array(coalesce(release,'empty'))::evr_array_item[])::evr_t);
SQL

create_trigger :evr_insert_trigger_katello_rpms, on: :katello_rpms
create_trigger :evr_update_trigger_katello_rpms, on: :katello_rpms
create_trigger :evr_insert_trigger_katello_installed_packages, on: :katello_installed_packages
create_trigger :evr_update_trigger_katello_installed_packages, on: :katello_installed_packages
end
end

def down
fail ActiveRecord::IrreversibleMigration
end
end
13 changes: 0 additions & 13 deletions lib/monkeys/fx_sqlite_skip.rb
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