@opengis/bi/server/routes/dataset/controllers/dbTables.js

BI data visualization module

import { pgClients } from "@opengis/fastify-table/utils.js";

export default async function dbTables({ pg = pgClients.client, query = {} }) {
  const q = `select 
  t.table_schema ||'."'|| t.table_name ||'"' as table, 
  obj_description(to_regclass(t.table_schema ||'."'|| t.table_name||'"')) as description,
  t.table_schema as schema,
  (select reltuples from pg_class where oid  = to_regclass(t.table_schema ||'."'|| t.table_name||'"') ) as total,
  coalesce(isgeom,false) as isgeom
  
  from information_schema.tables t
  left join lateral(
    select true as isgeom from information_schema.columns c 
    where c.table_name = t.table_name 
    and c.table_schema = t.table_schema and 'geometry'=c.udt_name limit 1
  )c on 1=1
  
  where t.table_type = 'BASE TABLE'
  and t.table_schema not in ('public','log','admin','feature_ir','gis', 'setting')
  and t.table_name not like '%.%'
  and regexp_replace(t.table_name, '^[[:digit:]]', '', 'g') = t.table_name
  and 1=(SELECT count(*) FROM pg_catalog.pg_constraint con 
    INNER JOIN pg_catalog.pg_class rel ON rel.oid = con.conrelid
    INNER JOIN pg_catalog.pg_namespace nsp ON nsp.oid = connamespace 
    WHERE nsp.nspname = t.table_schema AND rel.relname = t.table_name and contype='p'
  )
  and isgeom
  order by total desc`;

  if (query.sql) return q;

  const { rows = [] } = await pg.queryCache(q, { time: 0 });
  return { rows };
}