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Corruption or wrong results with 14.10?

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Hi,

I have a very strange behavior on 14.10. 

smrdbprod=# select version();
                                                 version
----------------------------------------------------------------------------------------------------------
 PostgreSQL 14.10 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20), 64-bit
(1 row)

This is the statement which is executed:

insert into smrr_mgr.formula_composition_with_codes
select crart_id_par,
       product_par.code_fin code_fin_par,
       crfrm_chemin,
       is_primary,
       seq,
       crart_id_comp,
       product_comp.code_fin code_fin_comp,
       qty_per
from smrr_mgr.formula_composition,
     smrr_mgr.formula,
     smrr_mgr.product product_par,
     smrr_mgr.product product_comp
where formula_composition.crart_id_par = formula.crart_id
  and formula_composition.crfrm_chemin = formula.chemin
  and formula_composition.crart_id_par = product_par.id
  and formula_composition.crart_id_comp = product_comp.id
order by seq;

Here are the table definitions:

smrdbprod=# \d pg_class
                     Table "pg_catalog.pg_class"
       Column        |     Type     | Collation | Nullable | Default
---------------------+--------------+-----------+----------+---------
 oid                 | oid          |           | not null |
 relname             | name         |           | not null |
 relnamespace        | oid          |           | not null |
 reltype             | oid          |           | not null |
 reloftype           | oid          |           | not null |
 relowner            | oid          |           | not null |
 relam               | oid          |           | not null |
 relfilenode         | oid          |           | not null |
 reltablespace       | oid          |           | not null |
 relpages            | integer      |           | not null |
 reltuples           | real         |           | not null |
 relallvisible       | integer      |           | not null |
 reltoastrelid       | oid          |           | not null |
 relhasindex         | boolean      |           | not null |
 relisshared         | boolean      |           | not null |
 relpersistence      | "char"       |           | not null |
 relkind             | "char"       |           | not null |
 relnatts            | smallint     |           | not null |
 relchecks           | smallint     |           | not null |
 relhasrules         | boolean      |           | not null |
 relhastriggers      | boolean      |           | not null |
 relhassubclass      | boolean      |           | not null |
 relrowsecurity      | boolean      |           | not null |
 relforcerowsecurity | boolean      |           | not null |
 relispopulated      | boolean      |           | not null |
 relreplident        | "char"       |           | not null |
 relispartition      | boolean      |           | not null |
 relrewrite          | oid          |           | not null |
 relfrozenxid        | xid          |           | not null |
 relminmxid          | xid          |           | not null |
 relacl              | aclitem[]    |           |          |
 reloptions          | text[]       | C         |          |
 relpartbound        | pg_node_tree | C         |          |
Indexes:
    "pg_class_oid_index" PRIMARY KEY, btree (oid)
    "pg_class_relname_nsp_index" UNIQUE CONSTRAINT, btree (relname, relnamespace)
    "pg_class_tblspc_relfilenode_index" btree (reltablespace, relfilenode)

smrdbprod=# \d smrr_mgr.formula_composition_with_codes
            Table "smrr_mgr.formula_composition_with_codes"
    Column     |         Type          | Collation | Nullable | Default
---------------+-----------------------+-----------+----------+---------
 crart_id_par  | numeric               |           |          |
 code_fin_par  | character varying(18) |           |          |
 crfrm_chemin  | character varying(2)  |           |          |
 is_primary    | character varying(1)  |           |          |
 seq           | numeric(6,0)          |           |          |
 crart_id_comp | numeric               |           |          |
 code_fin_comp | character varying(18) |           |          |
 qty_per       | numeric               |           |          |
Indexes:
    "formula_composition_with_codes_crart_id_comp_index" btree (crart_id_comp)
    "formula_composition_with_codes_unique_index" UNIQUE, btree (crart_id_par, is_primary, crfrm_chemin, seq, crart_id_comp)


smrdbprod=# \d smrr_mgr.formula_composition
                     Table "smrr_mgr.formula_composition"
     Column     |            Type             | Collation | Nullable | Default
----------------+-----------------------------+-----------+----------+---------
 crart_id_par   | numeric                     |           | not null |
 crfrm_chemin   | character varying(2)        |           | not null |
 seq            | numeric(6,0)                |           | not null |
 qty            | numeric(7,0)                |           |          |
 assay          | numeric(6,2)                |           |          |
 crart_id_comp  | numeric                     |           |          |
 crart_id_solv  | numeric                     |           |          |
 qty_per        | numeric(21,20)              |           |          |
 recid          | numeric                     |           |          |
 update_date_dl | timestamp without time zone |           |          |
Indexes:
    "formula_composition_pkey" PRIMARY KEY, btree (crart_id_par, crfrm_chemin, seq)
    "formula_composition_crart_id_comp2_index" btree (crart_id_comp)
    "formula_composition_crart_id_par2_index" btree (crart_id_par)
    "formula_composition_update_date_dl2_index" btree (update_date_dl)

smrdbprod=# \d smrr_mgr.formula
                          Table "smrr_mgr.formula"
    Column    |            Type             | Collation | Nullable | Default
--------------+-----------------------------+-----------+----------+---------
 crart_id     | numeric                     |           | not null |
 chemin       | character varying(2)        |           | not null |
 is_primary   | character varying(1)        |           | not null |
 nb_part      | numeric(7,0)                |           | not null |
 nb_art       | numeric(3,0)                |           | not null |
 lower_level  | numeric(2,0)                |           | not null |
 is_ch_ok     | character varying(1)        |           | not null |
 dt_creat     | timestamp without time zone |           |          |
 dt_modif     | timestamp without time zone |           |          |
 dt_finalized | timestamp without time zone |           |          |
 recid        | numeric                     |           |          |
 a_dt_ins     | timestamp without time zone |           | not null |
 a_dt_upd     | timestamp without time zone |           |          |
 a_fc_ins     | character varying(30)       |           | not null |
 a_fc_upd     | character varying(30)       |           |          |
 a_us_ins     | character varying(30)       |           | not null |
 a_us_upd     | character varying(30)       |           |          |
 dt_validity  | timestamp without time zone |           |          |
 r_mem_id     | numeric                     |           |          |
 o_mem_id     | numeric                     |           |          |
 is_active_dl | character varying(1)        |           | not null |
 inactive_ts  | timestamp without time zone |           |          |
Indexes:
    "formula_pkey" PRIMARY KEY, btree (crart_id, chemin)
    "formula_last_upd_dt_index" btree (COALESCE(a_dt_upd, a_dt_ins))

                                Table "smrr_mgr.product"
          Column          |            Type             | Collation | Nullable | Default
--------------------------+-----------------------------+-----------+----------+---------
 id                       | numeric                     |           | not null |
 code_fin                 | character varying(18)       |           | not null |
 code_lab                 | character varying(18)       |           |          |
 fiipc_code               | numeric(2,0)                |           |          |
 is_experimental          | character varying(1)        |           | not null |
 is_fl                    | character varying(1)        |           | not null |
 is_pe                    | character varying(1)        |           | not null |
 is_ch                    | character varying(1)        |           | not null |
 prod_src                 | character varying(1)        |           | not null |
 status                   | character varying(1)        |           |          |
 grp_cat                  | character varying(1)        |           |          |
 gcp                      | character varying(1)        |           |          |
 collection               | character varying(1)        |           |          |
 pct_pe_prom              | numeric(3,0)                |           | not null |
 pct_fl_prom              | numeric(3,0)                |           | not null |
 pct_fab                  | numeric(3,0)                |           | not null |
 std_avail                | numeric(10,0)               |           | not null |
 brand                    | character varying(60)       |           |          |
 costc_code               | numeric(2,0)                |           | not null |
 coton_code               | numeric(6,0)                |           |          |
 is_fl_for_blend          | character varying(1)        |           | not null |
 dt_creat                 | timestamp without time zone |           |          |
 recid                    | numeric                     |           |          |
 a_dt_ins                 | timestamp without time zone |           | not null |
 a_dt_upd                 | timestamp without time zone |           |          |
 a_fc_ins                 | character varying(30)       |           | not null |
 a_fc_upd                 | character varying(30)       |           |          |
 a_us_ins                 | character varying(30)       |           | not null |
 a_us_upd                 | character varying(30)       |           |          |
 remark                   | character varying(200)      |           |          |
 dt_transf                | timestamp without time zone |           |          |
 is_cnc                   | character varying(1)        |           | not null |
 r_mem_id                 | numeric                     |           |          |
 is_frm                   | character varying(1)        |           | not null |
 is_rest_pe               | character varying(1)        |           |          |
 is_rest_fl               | character varying(1)        |           |          |
 o_mem_id                 | numeric                     |           |          |
 prod_nat                 | character varying(1)        |           | not null |
 is_food_ingredient       | character varying(1)        |           | not null |
 is_heart                 | character varying(1)        |           | not null |
 fl_solubility            | character varying(20)       |           |          |
 scipc_code               | numeric(2,0)                |           |          |
 mail_msg                 | character varying(200)      |           |          |
 is_oc                    | character varying(1)        |           | not null |
 is_oc_dt_upd             | timestamp without time zone |           |          |
 is_oc_fc_upd             | character varying(30)       |           |          |
 is_oc_us_upd             | character varying(30)       |           |          |
 ton_s_perception         | character varying(2)        |           | not null |
 dt_finalized             | timestamp without time zone |           |          |
 rd_coll_number           | character varying(10)       |           |          |
 fl_rm_intro_pid          | character varying(4)        |           |          |
 fl_rm_intro_zone         | character varying(10)       |           |          |
 fl_rm_intro_cat          | character varying(9)        |           |          |
 fl_rm_intro_sub_cat      | character varying(9)        |           |          |
 fl_rm_intro_is_sensitive | character varying(1)        |           |          |
 is_active_dl             | character varying(1)        |           | not null |
 inactive_ts              | timestamp without time zone |           |          |
Indexes:
    "product_pkey" PRIMARY KEY, btree (id)
    "product_code_fin" btree (code_fin)
    "product_code_fin_prefix" btree (substr(code_fin::text, 1, 6))
    "product_code_fin_prefix_new_serie" btree (substr(code_fin::text, 1, 9))
    "product_last_upd_dt_index" btree (COALESCE(a_dt_upd, a_dt_ins))

The target table is empty and when the statement is executed there is a unique key violation:

smrdbprod=# truncate smrr_mgr.formula_composition_with_codes;
TRUNCATE TABLE
smrdbprod=# insert into smrr_mgr.formula_composition_with_codes
smrdbprod-# select crart_id_par,
smrdbprod-#        product_par.code_fin code_fin_par,
smrdbprod-#        crfrm_chemin,
smrdbprod-#        is_primary,
smrdbprod-#        seq,
smrdbprod-#        crart_id_comp,
smrdbprod-#        product_comp.code_fin code_fin_comp,
smrdbprod-#        qty_per
smrdbprod-# from smrr_mgr.formula_composition,
smrdbprod-#      smrr_mgr.formula,
smrdbprod-#      smrr_mgr.product product_par,
smrdbprod-#      smrr_mgr.product product_comp
smrdbprod-# where formula_composition.crart_id_par = formula.crart_id
smrdbprod-#   and formula_composition.crfrm_chemin = formula.chemin
smrdbprod-#   and formula_composition.crart_id_par = product_par.id
smrdbprod-#   and formula_composition.crart_id_comp = product_comp.id
smrdbprod-# order by seq;
ERROR:  duplicate key value violates unique constraint "formula_composition_with_codes_unique_index"
DETAIL:  Key (crart_id_par, is_primary, crfrm_chemin, seq, crart_id_comp)=(4775290000, Y, @, 0, 1765660000) already exists.

Asking for the conditions in the key violation error message gives only one row:

smrdbprod=# select crart_id_par,
smrdbprod-#        product_par.code_fin code_fin_par,
smrdbprod-#        crfrm_chemin,
smrdbprod-#        is_primary,
smrdbprod-#        seq,
smrdbprod-#        crart_id_comp,
smrdbprod-#        product_comp.code_fin code_fin_comp,
smrdbprod-#        qty_per
smrdbprod-# from smrr_mgr.formula_composition,
smrdbprod-#      smrr_mgr.formula,
smrdbprod-#      smrr_mgr.product product_par,
smrdbprod-#      smrr_mgr.product product_comp
smrdbprod-# where formula_composition.crart_id_par = formula.crart_id
smrdbprod-#   and formula_composition.crfrm_chemin = formula.chemin
smrdbprod-#   and formula_composition.crart_id_par = product_par.id
smrdbprod-#   and formula_composition.crart_id_comp = product_comp.id
smrdbprod-#   and crart_id_par = 4775290000
smrdbprod-#   and is_primary = 'Y'
smrdbprod-#   and crfrm_chemin = '@'
smrdbprod-#   and seq = 0
smrdbprod-#   and crart_id_comp = 1765660000
smrdbprod-# order by seq;
 crart_id_par | code_fin_par | crfrm_chemin | is_primary | seq | crart_id_comp | code_fin_comp |        qty_per
--------------+--------------+--------------+------------+-----+---------------+---------------+------------------------
   4775290000 | 475860 KN    | @            | Y          |   0 |    1765660000 | 908290        | 0.00078864353312302800
(1 row)

Doing the same with enable_hashjoin = off, runs successfully:

smrdbprod=# truncate smrr_mgr.formula_composition_with_codes;
TRUNCATE TABLE
smrdbprod=# set enable_hashjoin to off;
SET
smrdbprod=# insert into smrr_mgr.formula_composition_with_codes
select crart_id_par,
       product_par.code_fin code_fin_par,
       crfrm_chemin,
       is_primary,
       seq,
       crart_id_comp,
       product_comp.code_fin code_fin_comp,
       qty_per
from smrr_mgr.formula_composition,
     smrr_mgr.formula,
     smrr_mgr.product product_par,
     smrr_mgr.product product_comp
where formula_composition.crart_id_par = formula.crart_id
  and formula_composition.crfrm_chemin = formula.chemin
  and formula_composition.crart_id_par = product_par.id
  and formula_composition.crart_id_comp = product_comp.id
order by seq;
INSERT 0 20756629

I've tried to reproduce this locally and dumped those tables. While importing them I got errors like this:

psql:restore.sql:242: ERROR:  could not create unique index "formula_pkey"
DETAIL:  Key (crart_id, chemin)=(12383610000, @) is duplicated.

Checking the primary key on the live database gave this:

smrdbprod=# reindex index CONCURRENTLY  smrr_mgr.formula_pkey;
ERROR:  could not create unique index "formula_pkey_ccnew"
DETAIL:  Key (crart_id, chemin)=(21507180000, @) is duplicated.
smrdbprod=#

But:

smrdbprod=# select count(*) from smrr_mgr.formula where crart_id = 21507180000 and chemin = '@';
 count
-------
     1
(1 row)

smrdbprod=# select crart_id, chemin, count(*) from smrr_mgr.formula group by  crart_id, chemin having count(*) > 1;
 crart_id | chemin | count
----------+--------+-------
(0 rows)


What do I see here? Corruption?

Thanks for any help
Regards
Daniel







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