A postgreSql Cli tool

pgii is a PostgreSql cli tool. PostgreSql is developed in CMD or Golang and can be compiled for multiple platforms：

cross-platform： Can be compiled under multiple platforms, cross-platform use；
Zero-cost learning：Similar to the MySQL Cli command, familiar with the mysql operation of the people on the hand；
Interactive Console: Through the console command line。

Welcome to join us to develop

Login

cmd:

  ./pgii [-h|--host] [-u|--user] [-p|--password] [-d|--db] [--port]<br/>
         [-h|--host]  Database address  # eg: -h localhost | --host=localhost<br/>
         [-u|--user] Database user  # eg: -u postgres | --user=postgres<br/>
         [-p|--password]  Database password  # eg: -p postgres | --password=postgres<br/>
         [-d|--db] select database Default:postgres # eg: -d postgres | --db=postgres<br/>
         [--port] Specified port # eg: --port=5432<br/>

example

  $ pgii -h 127.0.0.1 -u postgres -p 123456 
    Connect Pgsql Success Host 127.0.0.1
    PostgresSql Version: 14.5
    pgii~[postgres/]#

Related instruction

use instruction

use <db|database>

FUNCTION：

Used to select a database. After data is selected, you can run "show db" or "show selectdb" to view the selected database.

USAGE：

pgii~[postgres/]# use db benchmark
pgii~[postgres/]# use database benchmark

Use Database Success!

use <sc|schema>

FUNCTION：

Used to select a database schema. After selecting a schema, you can run the "show sc" or "show schema" command to view the selected schema

USAGE：

pgii~[benchmark/]# use sc public; pgii~[benchmark/]# use schema public; # Use Schema Success!

show instruction

show <db|database>

FUNCTION：

Used to view information about the database, including the currently selected library and the size of the library

USAGE：

pgii~[postgres/]# show database;
pgii~[postgres/]# show db;
+-------+-------------+----------+----------+------------+----------+-----------+-----------+------------+------------+---------+
| #OID  | DBNAME      | AUTH     | ENCODING | LC_COLLATE | LC_CTYPE | ALLOWCONN | CONNLIMIT | LASTSYSOID | TABLESPACE | SIZE    |
+-------+-------------+----------+----------+------------+----------+-----------+-----------+------------+------------+---------+
| 13892 | postgres[✓] | postgres | UTF8     | C          | C        | true      |        -1 | 13891      | pg_default | 8537 kB |
| 16384 | clouddb     | postgres | UTF8     | C          | C        | true      |        -1 | 13891      | pg_default | 18 MB   |
| 1     | template1   | postgres | UTF8     | C          | C        | true      |        -1 | 13891      | pg_default | 8385 kB |
| 13891 | template0   | postgres | UTF8     | C          | C        | false     |        -1 | 13891      | pg_default | 8385 kB |
| 91966 | benchmark   | postgres | UTF8     | C          | C        | true      |        -1 | 13891      | pg_default | 3370 MB |
+-------+-------------+----------+----------+------------+----------+-----------+-----------+------------+------------+---------+

show <sc|schema>

FUNCTION：

Used to view schema information about the database, including the selected schema

USAGE：

pgii~[postgres/]# show schema;
pgii~[postgres/]# show sc;
┌───────┬──────────────────────────┬──────────┬─────────────────────────────────────┐
│ #OID  │ SCHEMANAME               │ OWNER    │ ACL                                 │
├───────┼──────────────────────────┼──────────┼─────────────────────────────────────┤
│ 99    │ pg_toast                 │ postgres │ <nil>                               │
│ 11    │ pg_catalog               │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 2200  │ public[✓]                │ postgres │ {postgres=UC/postgres,=UC/postgres} │
│ 13526 │ information_schema       │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91989 │ _timescaledb_cache       │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91987 │ _timescaledb_catalog     │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91988 │ _timescaledb_internal    │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91990 │ _timescaledb_config      │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91992 │ timescaledb_information  │ postgres │ {postgres=UC/postgres,=U/postgres}  │
│ 91991 │ timescaledb_experimental │ postgres │ {postgres=UC/postgres,=U/postgres}  │
└───────┴──────────────────────────┴──────────┴─────────────────────────────────────┘

show <tb|table> [filter|equal] [value]

FUNCTION：

This command is used to view information about tables in the database. If "filter" is used, the TABLENAME records containing value are filtered,and "equal" is all equal

USAGE：

pgii~[postgres/]# show table;
pgii~[postgres/]# show tb;
pgii~[benchmark/public]# show tb;
+--------+-----------+------------+------------+-----------+-----------+
| SCHEMA | TABLENAME | TABLEOWNER | TABLESPACE | TABLESIZE | INDEXSIZE |
+--------+-----------+------------+------------+-----------+-----------+
| public | tags      | postgres   | <nil>      | 400 kB    | 264 kB    |
+--------+-----------+------------+------------+-----------+-----------+
| public | cpu       | postgres   | <nil>      | 32 kB     | 24 kB     |
+--------+-----------+------------+------------+-----------+-----------+
pgii~[benchmark/public]# show tb filter c
+--------+-----------+------------+------------+-----------+-----------+
| SCHEMA | TABLENAME | TABLEOWNER | TABLESPACE | TABLESIZE | INDEXSIZE |
+--------+-----------+------------+------------+-----------+-----------+
| public | cpu       | postgres   | <nil>      | <nil>     | <nil>     |
+--------+-----------+------------+------------+-----------+-----------+

show <vw|view> [filter|equal] [value]

FUNCTION：

This command is used to view information about the database. The "filter" command is used to filter records whose VIEWNAME contains a value. "equal" is equal to all values

USAGE：

pgii~[postgres/]# show view;
pgii~[postgres/]# show vw;
+--------+----------+-----------+
| SCHEMA | VIEWNAME | VIEWOWNER |
+--------+----------+-----------+
| public | cpu_view | postgres  |
+--------+----------+-----------+
pgii~[benchmark/public]# show tb filter c
+--------+----------+-----------+
| SCHEMA | VIEWNAME | VIEWOWNER |
+--------+----------+-----------+
| public | cpu_view | postgres  |
+--------+----------+-----------+

show <tg|trigger> [filter|equal] [value]

FUNCTION：

This command is used to view information about triggers in the database. If "filter" is used, you can filter the records that contain a value in the trigger. "equal" is all equal

USAGE：

pgii~[postgres/]# show tg;
pgii~[postgres/]# show trigger;
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+
| DATABASE  | SCHEMA | TRIGGER_NAME      | EVENT_MANIPULATION | EVENT_OBJECT_TABLE | ACTION_ORIENTATION | ACTION_TIMING |
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+
| benchmark | public | ts_insert_blocker | INSERT             | cpu                | ROW                | BEFORE        |
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+
pgii~[benchmark/public]# show trigger filter ts;
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+
| DATABASE  | SCHEMA | TRIGGER_NAME      | EVENT_MANIPULATION | EVENT_OBJECT_TABLE | ACTION_ORIENTATION | ACTION_TIMING |
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+
| benchmark | public | ts_insert_blocker | INSERT             | cpu                | ROW                | BEFORE        |
+-----------+--------+-------------------+--------------------+--------------------+--------------------+---------------+

show <ver|version>

FUNCTION：

Used to view the version information about the database

USAGE：

pgii~[postgres/]# show version;
pgii~[postgres/]# show ver;
+-------------+---------+
| #           | VERSION |
+-------------+---------+
| PostgresSql | 14.5    |
+-------------+---------+

show <sd|selectdb>

FUNCTION：

Used to view the currently selected database and schema for the database

USAGE：

pgii~[benchmark/public]# show sd;
pgii~[benchmark/public]# show selectdb;
    DataBase: benchmark ;Schema: public

show <connection|conn>

FUNCTION：

Some parameters to view the link
MAX_CONNECTION ： Maximum connection number
SUPERUSER_RESERVED_CONNECTIONS ： Number of connections reserved by the superuser
REMAINING_CONNECTIONS ： Number of remaining connections
INUSE_CONNECTIONS ： The number of connections currently in use

USAGE：

pgii~[benchmark/public]# show connection;
+----------------+--------------------------------+-----------------------+-------------------+
| MAX_CONNECTION | SUPERUSER_RESERVED_CONNECTIONS | REMAINING_CONNECTIONS | INUSE_CONNECTIONS |
+----------------+--------------------------------+-----------------------+-------------------+
|            800 |                             13 |                   760 |                40 |
+----------------+--------------------------------+-----------------------+-------------------+

desc instruction

desc

FUNCTION：
Used to view the table structure

USAGE：

pgii~[benchmark/public]# desc cpu;
+----+------------------+-------------+--------+--------+--------------+
| #  | COLUMN           | DATATYPE    | LENGTH | ISNULL | DEFAULTVALUE |
+----+------------------+-------------+--------+--------+--------------+
| 1  | time             | timestamptz | <nil>  | NO     | <nil>        |
| 2  | tags_id          | int4        | <nil>  | YES    | <nil>        |
| 3  | hostname         | text        | <nil>  | YES    | <nil>        |
| 4  | usage_user       | float8      | <nil>  | YES    | <nil>        |
| 5  | usage_system     | float8      | <nil>  | YES    | <nil>        |
| 6  | usage_idle       | float8      | <nil>  | YES    | <nil>        |
| 7  | usage_nice       | float8      | <nil>  | YES    | <nil>        |
| 8  | usage_iowait     | float8      | <nil>  | YES    | <nil>        |
| 9  | usage_irq        | float8      | <nil>  | YES    | <nil>        |
| 10 | usage_softirq    | float8      | <nil>  | YES    | <nil>        |
| 11 | usage_steal      | float8      | <nil>  | YES    | <nil>        |
| 12 | usage_guest      | float8      | <nil>  | YES    | <nil>        |
| 13 | usage_guest_nice | float8      | <nil>  | YES    | <nil>        |
| 14 | additional_tags  | jsonb       | <nil>  | YES    | <nil>        |
+----+------------------+-------------+--------+--------+--------------+

size instruction

size <db|database>

FUNCTION：

Used to view the size of the database

USAGE：

pgii~[benchmark/public]# size database benchmark;
pgii~[benchmark/public]# size db benchmark;
┌───────────┬─────────┐
│ DATABASE  │ SIZE    │
├───────────┼─────────┤
│ benchmark │ 3370 MB │
└───────────┴─────────┘

size <tb|table>

FUNCTION：

Used to view the size of a database table

USAGE：

pgii~[benchmark/public]# size table cpu;
pgii~[benchmark/public]# size tb cpu;
┌───────────┬───────┐
│ TABLENAME │ SIZE  │
├───────────┼───────┤
│ cpu       │ 32 kB │
└───────────┴───────┘

size <tbsp|tablespace>

FUNCTION：

Used to view the size of a table space name

USAGE：

pgii~[benchmark/public]# size tablespace pg_default;
+-----------------+-----------------+
| TABLESPACE_NAME | TABLESPACE_SIZE |
+-----------------+-----------------+
| pg_default      | 60 MB           |
+-----------------+-----------------+

ddl instruction

ddl <tb|table>

FUNCTION：

A ddl construct clause for viewing the table

USAGE：

pgii~[benchmark/public]# ddl table cpu;
pgii~[benchmark/public]# ddl tb cpu;
========= Create Table Success ============
-- DROP Table;
-- DROP Table cpu;
CREATE TABLE "public".cpu (
    time timestamptz NOT NULL,
    tags_id int4 NULL,
    hostname text NULL,
    usage_user float8 NULL,
    usage_system float8 NULL,
    usage_idle float8 NULL,
    usage_nice float8 NULL,
    usage_iowait float8 NULL,
    usage_irq float8 NULL,
    usage_softirq float8 NULL,
    usage_steal float8 NULL,
    usage_guest float8 NULL,
    usage_guest_nice float8 NULL,
    additional_tags jsonb NULL
);
CREATE INDEX cpu_usage_user_time_idx ON public.cpu USING btree (usage_user, "time" DESC);
CREATE INDEX cpu_time_idx ON public.cpu USING btree ("time" DESC);
CREATE INDEX cpu_hostname_time_idx ON public.cpu USING btree (hostname, "time" DESC);

ddl <sc|schema>

FUNCTION：

A ddl constructor clause for viewing the schema

USAGE：

pgii~[benchmark/public]# ddl schema public;
pgii~[benchmark/public]# ddl sc public;
========= Create Schema Success ============
-- DROP SCHEMA public;
CREATE SCHEMA "public" AUTHORIZATION postgres;

ddl <vw|view>

FUNCTION：

The ddl constructor clause for viewing the view

USAGE：

pgii~[benchmark/public]# ddl view cpu_view;
pgii~[benchmark/public]# ddl vw cpu_view;
========= Create View Success ============
 CREATE OR REPLACE VIEW "public".cpu_view
 AS SELECT cpu."time",
    cpu.tags_id,
    cpu.hostname,
    cpu.usage_user,
    cpu.usage_system,
    cpu.usage_idle,
    cpu.usage_nice,
    cpu.usage_iowait,
    cpu.usage_irq,
    cpu.usage_softirq,
    cpu.usage_steal,
    cpu.usage_guest,
    cpu.usage_guest_nice,
    cpu.additional_tags
   FROM cpu
  WHERE ((cpu."time" > '2023-03-01 08:00:00+08'::timestamp with time zone) AND (cpu.tags_id > 10) AND (cpu.tags_id < 1000) AND (cpu.usage_user = ANY (ARRAY[(21)::double precision, (22)::double precision, (23)::double precision, (24)::double precision, (25)::double precision, (26)::double precision, (27)::double precision, (28)::double precision, (29)::double precision])));

dump 指令

dump <tb|table>

FUNCTION：

dump the backup file of a table, which can be used for subsequent restoration；

USAGE：

pgii~[clouddb/common]# dump tb role;
 Dump Table Success
## View in linux
[root@localhost src]# ls *.pgi
 dump_table_role_time.pgi

dump <sc|schema>

FUNCTION：

dump schema creation statements and table creation statements of the current schema and the following tables, and generate T-SQL statements inserted in batches from the data in the table to generate a pgi file；

USAGE：

pgii~[clouddb/db_mcs.com]# dump sc;
    Dump Schema Success [db_mcs.com]
    Dump Table Struct Success [dgna]
     ->Dump Table Record Success [dgna]
    Dump Table Struct Success [dgna_member]
     ->Dump Table Record Success [dgna_member]
    Dump Table Struct Success [syspatch_info]
     ->Dump Table Record Success [syspatch_info]
    Dump Table Struct Success [syspatch_member]
     ->Dump Table Record Success [syspatch_member]
    Dump Table Struct Success [predefineddgna_info]
     ->Dump Table Record Success [predefineddgna_info]
    Dump Table Struct Success [simulselect_info]
     ->Dump Table Record Success [simulselect_info]
    Dump Table Struct Success [simulselect_member]
     ->Dump Table Record Success [simulselect_member]
## linux下查看
[root@localhost src]# ls *.pgi
   dump_schema_db_mcs.com.pgi

TODO

dump database
kill pid
load table
load schema
load database

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pgii's Introduction

A postgreSql Cli tool

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example

Related instruction

use instruction

use <db|database>

use <sc|schema>

show instruction

show <db|database>

show <sc|schema>

show <tb|table> [filter|equal] [value]

show <vw|view> [filter|equal] [value]

show <tg|trigger> [filter|equal] [value]

show <ver|version>

show <sd|selectdb>

show <connection|conn>

desc instruction

desc

size instruction

size <db|database>

size <tb|table>

size <tbsp|tablespace>

ddl instruction

ddl <tb|table>

ddl <sc|schema>

ddl <vw|view>

dump 指令

dump <tb|table>

dump <sc|schema>

TODO

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