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Date: Wed, 12 Mar 2025 08:46:49 -0700
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Subject: Re: Duplicate Key Values
From: Adrian Klaver <adrian.klaver@aklaver.com>
To: mark bradley <markbradyju@outlook.com>
Cc: pgsql-general <pgsql-general@postgresql.org>
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On 3/11/25 13:24, Adrian Klaver wrote:
> On 3/11/25 12:55, mark bradley wrote:
>> It happened again.  Now there are no sequences (although there once was).
> 
> Read my previous post and provide the information requested.
> 

Mark sent me the below, which answers some of the questions, namely 
there is inheritance going on:

Universal Metadata Schema=# \d node
Table "public.node"
Column | Type | Collation | Nullable | Default
-----------+-----------+-----------+----------+---------
node_id | integer | | not null |
node_type | node_type | | not null |
Indexes:
"node_pkey" PRIMARY KEY, btree (node_id)
"node_id" UNIQUE CONSTRAINT, btree (node_id) INCLUDE (node_id)
Referenced by:
TABLE "user_role" CONSTRAINT "a" FOREIGN KEY (node_id) REFERENCES 
node(node_i
d) NOT VALID
TABLE "dataset" CONSTRAINT "node_id" FOREIGN KEY (node_id) REFERENCES 
node(no
de_id) NOT VALID
Number of child tables: 2 (Use \d+ to list them.)

Universal Metadata Schema=# \d dataset
Table "public.dataset"
Column | Type | Collation | Nullable | Default
---------------------------+---------------------------+-----------+----------+--
-------
node_id | integer | | not null |
dataset_name | character varying(25) | | not null |
notes | text | | |
dataset_type | database_type | | |
dataset_maturity | database_maturity_type | | |
disposition | disposition_type | | |
start_date | date | | |
end_date | date | | |
most_recent_update | date | | |
update_periodicity | interval | | |
system_of_record | text | | |
point_of_contact | integer | | |
dataset_url | text | | |
classification_level | classification_level_type | | |
physical_location | text | | |
quality_control | yes_no_type | | |
dataset_documentation_url | text | | |
description | text | | |
node_type | node_type | | |
Indexes:
"dataset_pkey" PRIMARY KEY, btree (node_id)
Foreign-key constraints:
"node_id" FOREIGN KEY (node_id) REFERENCES node(node_id) NOT VALID
"poc" FOREIGN KEY (point_of_contact) REFERENCES poc(poc_id) NOT VALID
Referenced by:
TABLE "dataset_table" CONSTRAINT "dataset" FOREIGN KEY (node_id) 
REFERENCES d
ataset(node_id) NOT VALID
TABLE "system_dataset" CONSTRAINT "system_dataset_node_id_fkey" FOREIGN 
KEY (
node_id) REFERENCES dataset(node_id) NOT VALID
Inherits: node

Universal Metadata Schema=# \d processing_node
Table "public.processing_node"
Column | Type | Collation | Nullable | Default
-----------------------+-----------------------+-----------+----------+---------
node_id | integer | | not null |
processing_node_name | character varying(25) | | |
description | text | | |
notes | text | | |
point_of_contact | integer | | not null |
is_a_user_application | yes_no_type | | not null |
node_type | node_type | | |
Indexes:
"processing_node_pkey" PRIMARY KEY, btree (node_id)
Foreign-key constraints:
"processing_node_point_of_contact_fkey" FOREIGN KEY (point_of_contact) 
REFERE
NCES poc(poc_id)
Referenced by:
TABLE "system_processing_node" CONSTRAINT 
"system_processing_node_processing_
node_id_fkey" FOREIGN KEY (processing_node_id) REFERENCES 
processing_node(node_id
) NOT VALID
Inherits: node

Universal Metadata Schema=# ALTER TABLE node VALID
ATE CONSTRAINT node_id;
ERROR: constraint "node_id" of relation "node" is
not a foreign key or check constraint
Universal Metadata Schema=# ALTER TABLE dataset VA
LIDATE CONSTRAINTnode_id;
ERROR: syntax error at or near "CONSTRAINTnode_id
"
LINE 1: ALTER TABLE dataset VALIDATE CONSTRAINTnod
e_id;
^
 > Did you ever run VALIDATE CONSTRAINT against them?
Here is the run

Universal Metadata Schema=# ALTER TABLE node VALID
ATE CONSTRAINT node_id;
ERROR: constraint "node_id" of relation "node" is
not a foreign key or check constraint
Universal Metadata Schema=#

Universal Metadata Schema=# ALTER TABLE dataset VA
LIDATE CONSTRAINT node_id;
ALTER TABLE
Universal Metadata Schema=#


-- 
Adrian Klaver
adrian.klaver@aklaver.com