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IDEMPIERE-5943 Implement table partitioning support (#2226) 

* IDEMPIERE-5943 Implement table partitioning support
- Fix altercolumn not working with partitioned table.
This commit is contained in:
hengsin 2024-02-05 22:58:14 +08:00 committed by Carlos Ruiz
parent cdcf5d47f3
commit 7ae6d0c016
3 changed files with 152 additions and 2 deletions
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4
db/postgresql/functions/altercolumn.sql
View File

@ -23,7 +23,7 @@ begin
into typename, sqltype
from pg_class, pg_attribute, pg_type, pg_namespace
where relname = lower(tablename)
and relkind = 'r'
and relkind in ('r','p')
and pg_class.oid = pg_attribute.attrelid
and attname = lower(columnname)
and atttypid = pg_type.oid
@ -48,7 +48,7 @@ begin
and b.refobjid <> c.refobjid
and c.refobjid = d.oid
and d.relname = lower(tablename)
and d.relkind = 'r'
and d.relkind in ('r','p')
and d.oid = e.attrelid
and e.attname = lower(columnname)
and c.refobjsubid = e.attnum

4
migration/iD10/oracle/202402041000_IDEMPIERE-5943.sql Normal file
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@ -0,0 +1,4 @@
-- IDEMPIERE-5943 Implement table partitioning support
SELECT register_migration_script('202402041000_IDEMPIERE-5943.sql') FROM dual;
--PostgreSQL only

146
migration/iD10/postgresql/202402041000_IDEMPIERE-5943.sql Normal file
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@ -0,0 +1,146 @@
-- IDEMPIERE-5943 Implement table partitioning support
SELECT register_migration_script('202402041000_IDEMPIERE-5943.sql') FROM dual;
CREATE OR REPLACE FUNCTION adempiere.altercolumn(tablename name, columnname name, datatype name, nullclause character varying, defaultclause character varying)
RETURNS void
LANGUAGE plpgsql
AS $function$
declare
command text;
viewtext text[];
viewname name[];
dropviews name[];
perms text[];
privs text;
i int;
j int;
v record;
sqltype text;
sqltype_short text;
typename name;
namespace text;
begin
namespace := 'adempiere';
if datatype is not null then
select pg_type.typname, format_type(pg_type.oid, pg_attribute.atttypmod)
into typename, sqltype
from pg_class, pg_attribute, pg_type, pg_namespace
where relname = lower(tablename)
and relkind in ('r','p')
and pg_class.oid = pg_attribute.attrelid
and attname = lower(columnname)
and atttypid = pg_type.oid
and pg_class.relnamespace = pg_namespace.oid
and pg_namespace.nspname = namespace;
sqltype_short := sqltype;
if typename = 'numeric' then
sqltype_short := replace(sqltype, ',0', '');
elsif strpos(sqltype,'character varying') = 1 then
sqltype_short := replace(sqltype, 'character varying', 'varchar');
elsif sqltype = 'timestamp without time zone' then
sqltype_short := 'timestamp';
end if;
if lower(datatype) <> sqltype and lower(datatype) <> sqltype_short then
i := 0;
for v in
with recursive depv(relname, viewoid, depth) as (
select distinct a.relname, a.oid, 1
from pg_class a, pg_depend b, pg_depend c, pg_class d, pg_attribute e, pg_namespace
where a.oid = b.refobjid
and b.objid = c.objid
and b.refobjid <> c.refobjid
and c.refobjid = d.oid
and d.relname = lower(tablename)
and d.relkind in ('r','p')
and d.oid = e.attrelid
and e.attname = lower(columnname)
and c.refobjsubid = e.attnum
and a.relkind = 'v'
and a.relnamespace = pg_namespace.oid
and pg_namespace.nspname = namespace
union all
select distinct dependee.relname, dependee.oid, depv.depth+1
from pg_depend
join pg_rewrite on pg_depend.objid = pg_rewrite.oid
join pg_class as dependee on pg_rewrite.ev_class = dependee.oid
join pg_class as dependent on pg_depend.refobjid = dependent.oid
join pg_attribute ON pg_depend.refobjid = pg_attribute.attrelid and pg_depend.refobjsubid = pg_attribute.attnum and pg_attribute.attnum > 0
join depv on dependent.relname = depv.relname
)
select relname, viewoid, max(depth) from depv group by relname, viewoid order by 3 desc
loop
raise notice 'view -> % %', v.relname, v.viewoid;
i := i + 1;
viewtext[i] := pg_get_viewdef(v.viewoid);
viewname[i] := v.relname;
end loop;
if i > 0 then
begin
for j in 1 .. i loop
SELECT String_agg('grant ' || privilege_type || ' on ' || viewname[j] || ' to "' || grantee || '"', '; ')
into privs
FROM information_schema.role_table_grants
WHERE table_name=viewname[j];
perms[j] := privs;
command := 'drop view ' || viewname[j];
raise notice 'executing -> %', command;
execute command;
dropviews[j] := viewname[j];
end loop;
exception
when others then
i := array_upper(dropviews, 1);
if i > 0 then
for j in reverse i .. 1 loop
command := 'create or replace view ' || dropviews[j] || ' as ' || viewtext[j];
raise notice 'executing -> %', 'create or replace view ' || dropviews[j] || '...';
execute command;
end loop;
end if;
raise exception 'Failed to recreate dependent view. SQLERRM=%', SQLERRM;
end;
end if;
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' type ' || lower(datatype);
raise notice 'executing -> %', command;
execute command;
i := array_upper(dropviews, 1);
if i > 0 then
for j in reverse i .. 1 loop
command := 'create or replace view ' || dropviews[j] || ' as ' || viewtext[j];
raise notice 'executing -> %', 'create or replace view ' || dropviews[j] || '...';
execute command;
command := perms[j];
raise notice 'executing -> %', command;
execute command;
end loop;
end if;
end if;
end if;
if defaultclause is not null then
if lower(defaultclause) = 'null' then
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' drop default ';
else
if defaultclause ~ '.*[(].*[)].*' or lower(defaultclause) = 'current_timestamp' then
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' set default ' || defaultclause;
else
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' set default ''' || defaultclause || '''';
end if;
end if;
raise notice 'executing -> %', command;
execute command;
end if;
if nullclause is not null then
if lower(nullclause) = 'not null' then
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' set not null';
raise notice 'executing -> %', command;
execute command;
elsif lower(nullclause) = 'null' then
command := 'alter table ' || lower(tablename) || ' alter column ' || lower(columnname) || ' drop not null';
raise notice 'executing -> %', command;
execute command;
end if;
end if;
end;
$function$