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Re: I have no idea why pg_dump isn't dumping all of my data

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This is the source code of the extension in question:
https://github.com/xmrsoftware/nanoscopic/tree/master/sql/nanoscopic
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, May 21st, 2021 at 11:29, Vijaykumar Jain <vijaykumarjain.github@xxxxxxxxx> wrote:

i just did a dump of a db which was owned by postgres but some tables owned by other users and it ran fine.
I am not sure of that nanoscopic extension though.



*******************************
createdb -e foobar;

postgres=# \c foobar
You are now connected to database "foobar" as user "postgres".
foobar=# set role demo;
SET
foobar=> create table xx(id int);
CREATE TABLE
foobar=> \dt
       List of relations
 Schema | Name | Type  | Owner
--------+------+-------+-------
 public | xx   | table | demo
(1 row)

foobar=> insert into xx values (1);
INSERT 0 1
foobar=> \dt
       List of relations
 Schema | Name | Type  | Owner
--------+------+-------+-------
 public | xx   | table | demo
(1 row)

foobar=> \l
                                 List of databases
   Name    |  Owner   | Encoding |  Collate   |   Ctype    |   Access privileges
-----------+----------+----------+------------+------------+-----------------------
 demo      | demo_rw  | UTF8     | en_US.utf8 | en_US.utf8 |
 foobar    | postgres | UTF8     | en_US.utf8 | en_US.utf8 |
 postgres  | postgres | UTF8     | en_US.utf8 | en_US.utf8 |
 template0 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
 template1 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
(5 rows)
*******************************


*******************************
pg_dump --file=nanoscopic_db_127_0_0_1-2021_05_21_10_25_28-dump.sql --dbname=foobar --clean --create --if-exists --username=demo -v --host=127.0.0.1 --port=5432

... last lines from the verbose dump

pg_dump: dropping DATABASE foobar
pg_dump: creating DATABASE "foobar"
pg_dump: connecting to new database "foobar"
pg_dump: creating TABLE "public.xx"
pg_dump: processing data for table "public.xx"
pg_dump: dumping contents of table "public.xx"


CREATE DATABASE foobar WITH TEMPLATE = template0 ENCODING = 'UTF8' LOCALE = 'en_US.utf8';


ALTER DATABASE foobar OWNER TO postgres;

\connect foobar

SET statement_timeout = 0;
SET lock_timeout = 0;
SET idle_in_transaction_session_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
SELECT pg_catalog.set_config('search_path', '', false);
SET check_function_bodies = false;
SET xmloption = content;
SET client_min_messages = warning;
SET row_security = off;

SET default_tablespace = '';

SET default_table_access_method = heap;

--
-- TOC entry 200 (class 1259 OID 26105)
-- Name: xx; Type: TABLE; Schema: public; Owner: demo
--

CREATE TABLE public.xx (
    id integer
);


ALTER TABLE public.xx OWNER TO demo;

--
-- TOC entry 2232 (class 0 OID 26105)
-- Dependencies: 200
-- Data for Name: xx; Type: TABLE DATA; Schema: public; Owner: demo
--

COPY public.xx (id) FROM stdin;
1
\.


-- Completed on 2021-05-21 15:54:08 IST

--
-- PostgreSQL database dump complete
--
*******************************
works fine.
I do not know that extension(nanoscopic) though.

it is reading some tables in a public schema, but not even dumping the schema.

yep, thats odd if it does not throw any errors, coz any errors wrt permissions are thrown right away to console.

maybe someone with more exp would be able to help.


On Fri, 21 May 2021 at 15:32, Simon Connah <simon.n.connah@xxxxxxxxxxxxxx> wrote:
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, May 21st, 2021 at 10:55, Vijaykumar Jain <vijaykumarjain.github@xxxxxxxxx> wrote:
Can you try dumping using verbose flag.
-v

Just want to confirm if the user has relevant permissions.


On Fri, May 21, 2021, 3:04 PM Simon Connah <simon.n.connah@xxxxxxxxxxxxxx> wrote:
Hi,

I'm running the following command to dump my database:

/usr/bin/pg_dump --file=/home/simon/nanoscopic_db_127_0_0_1-2021_05_21_10_25_28-dump.sql --dbname=nanoscopic_db --clean --create --if-exists --username=nanoscopic_db_user --host=127.0.0.1 --port=5432

and yet when I run that all I get in the SQL file is the following:


I'm at a total loss. I've tried all the relevant looking command line switches and nothing seems to dump the actual contents of the database. It just dumps the extension command. Can anyone help me to figure this out please? It is probably something stupid that I am doing wrong.

Simon.

pg_dump: last built-in OID is 16383
pg_dump: reading extensions
pg_dump: identifying extension members
pg_dump: reading schemas
pg_dump: reading user-defined tables
pg_dump: reading user-defined functions
pg_dump: reading user-defined types
pg_dump: reading procedural languages
pg_dump: reading user-defined aggregate functions
pg_dump: reading user-defined operators
pg_dump: reading user-defined access methods
pg_dump: reading user-defined operator classes
pg_dump: reading user-defined operator families
pg_dump: reading user-defined text search parsers
pg_dump: reading user-defined text search templates
pg_dump: reading user-defined text search dictionaries
pg_dump: reading user-defined text search configurations
pg_dump: reading user-defined foreign-data wrappers
pg_dump: reading user-defined foreign servers
pg_dump: reading default privileges
pg_dump: reading user-defined collations
pg_dump: reading user-defined conversions
pg_dump: reading type casts
pg_dump: reading transforms
pg_dump: reading table inheritance information
pg_dump: reading event triggers
pg_dump: finding extension tables
pg_dump: finding inheritance relationships
pg_dump: reading column info for interesting tables
pg_dump: finding the columns and types of table "public.blog_user"
pg_dump: finding default expressions of table "public.blog_user"
pg_dump: finding check constraints for table "public.blog_user"
pg_dump: finding the columns and types of table "public.blog"
pg_dump: finding default expressions of table "public.blog"
pg_dump: finding the columns and types of table "public.blog_post"
pg_dump: finding default expressions of table "public.blog_post"
pg_dump: finding check constraints for table "public.blog_post"
pg_dump: finding the columns and types of table "public.blog_post_comment"
pg_dump: finding default expressions of table "public.blog_post_comment"
pg_dump: finding the columns and types of table "public.blog_page"
pg_dump: finding default expressions of table "public.blog_page"
pg_dump: finding the columns and types of table "public.blog_user_permissions"
pg_dump: finding default expressions of table "public.blog_user_permissions"
pg_dump: flagging inherited columns in subtables
pg_dump: reading indexes
pg_dump: reading indexes for table "public.blog_user"
pg_dump: reading indexes for table "public.blog"
pg_dump: reading indexes for table "public.blog_post"
pg_dump: reading indexes for table "public.blog_post_comment"
pg_dump: reading indexes for table "public.blog_page"
pg_dump: reading indexes for table "public.blog_user_permissions"
pg_dump: flagging indexes in partitioned tables
pg_dump: reading extended statistics
pg_dump: reading constraints
pg_dump: reading triggers
pg_dump: reading rewrite rules
pg_dump: reading policies
pg_dump: reading row security enabled for table "public.blog_user_blog_user_id_seq"
pg_dump: reading policies for table "public.blog_user_blog_user_id_seq"
pg_dump: reading row security enabled for table "public.blog_user"
pg_dump: reading policies for table "public.blog_user"
pg_dump: reading row security enabled for table "public.blog_blog_id_seq"
pg_dump: reading policies for table "public.blog_blog_id_seq"
pg_dump: reading row security enabled for table "public.blog"
pg_dump: reading policies for table "public.blog"
pg_dump: reading row security enabled for table "public.blog_post_blog_post_id_seq"
pg_dump: reading policies for table "public.blog_post_blog_post_id_seq"
pg_dump: reading row security enabled for table "public.blog_post"
pg_dump: reading policies for table "public.blog_post"
pg_dump: reading row security enabled for table "public.blog_post_comment_blog_post_comment_id_seq"
pg_dump: reading policies for table "public.blog_post_comment_blog_post_comment_id_seq"
pg_dump: reading row security enabled for table "public.blog_post_comment"
pg_dump: reading policies for table "public.blog_post_comment"
pg_dump: reading row security enabled for table "public.blog_page_blog_page_id_seq"
pg_dump: reading policies for table "public.blog_page_blog_page_id_seq"
pg_dump: reading row security enabled for table "public.blog_page"
pg_dump: reading policies for table "public.blog_page"
pg_dump: reading row security enabled for table "public.blog_user_permissions_blog_user_permissions_id_seq"
pg_dump: reading policies for table "public.blog_user_permissions_blog_user_permissions_id_seq"
pg_dump: reading row security enabled for table "public.blog_user_permissions"
pg_dump: reading policies for table "public.blog_user_permissions"
pg_dump: reading publications
pg_dump: reading publication membership
pg_dump: reading subscriptions
pg_dump: reading large objects
pg_dump: reading dependency data
pg_dump: saving encoding = UTF8
pg_dump: saving standard_conforming_strings = on
pg_dump: saving search_path =  
pg_dump: saving database definition
pg_dump: dropping DATABASE nanoscopic_db
pg_dump: creating DATABASE "nanoscopic_db"
pg_dump: connecting to new database "nanoscopic_db"
pg_dump: creating EXTENSION "nanoscopic"
pg_dump: creating COMMENT "EXTENSION nanoscopic"
pg_dump: creating ACL "DATABASE nanoscopic_db"


--
Thanks,
Vijay
Mumbai, India

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