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Mauricio Collazos revised this gist
Mar 6, 2018 . 1 changed file with 4 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -119,4 +119,7 @@ Casting: ```bash $ echo "bind "^R" em-inc-search-prev" > $HOME/.editrc $ source $HOME/.editrc ``` ## Comandos útiles - `ALTER USER user_name WITH PASSWORD 'new_password';` Cambia la contraseña de un usuario -
Mauricio Collazos revised this gist
Apr 6, 2017 . 1 changed file with 1 addition and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -23,6 +23,7 @@ La mayora de comandos `\d` soportan un parámetro adicional del `__schema__.name Relacionadas con usuarios: - `\du`: Lista de usuarios - `\du __username__`: Lista la información de un usuario si está presente - `create user __username__ with password 'password'`: Crea un usuario __username__ con contrasea password - `create role __test1__`: Crea un rol con un nombre de usuario específico - `create role __test2__ noinherit login password __passsword__;`: Crea un rol con un usuario y contraseña - `set role __test__;`: Cambia el rol de la sesión actual a `__test__` -
Mauricio Collazos revised this gist
Feb 22, 2017 . 1 changed file with 44 additions and 44 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,46 +1,46 @@ ## PSQL Palabras mágicas: ```bash psql -U postgres ``` Si ejecutas con la bandera `-E`, describirá las consultas subyacentes que se realizan con los comandos `\` (genial para aprender). La mayora de comandos `\d` soportan un parámetro adicional del `__schema__.name__` y aceptan comodines como `*.*` - `\q`: Salir - `\c __database__`: Conectarse a una base de datos - `\d __table__`: Mostrar la definición de una tabla, incluyendo disparadores - `\dt *.*`: Lista todas las tablas de todos los esquemas (Si no se coloca *.* solamente se buscaran los pertenecientes ap SEARCH_PATH) - `\l`: Lista de las bases de datos - `\dn`: Lista de los esquemas - `\df`: Lista de las funciones - `\dv`: Lista de las vistas - `\df+ __function__` : Muestra el código SQL de una funcin - `\x`: Da una salida mas elaborada mostrando los resultados de la consulta Relacionadas con usuarios: - `\du`: Lista de usuarios - `\du __username__`: Lista la información de un usuario si está presente - `create role __test1__`: Crea un rol con un nombre de usuario específico - `create role __test2__ noinherit login password __passsword__;`: Crea un rol con un usuario y contraseña - `set role __test__;`: Cambia el rol de la sesión actual a `__test__` - `grant __test2__ to __test1__;`: Permite a `__test1__` definir su rol como `__test2__` ## Configuración - Comandos de gestin de servicio: ``` sudo service postgresql stop sudo service postgresql start sudo service postgresql restart ``` - Cambiar la verbosidad del log de Postgtgres: <br/>1) Primero edita el archivo de configuración, defone un log que te satisfaga, luego guarda y reinicia postgres: ``` sudo vim /etc/postgresql/9.x/main/postgresql.conf # Uncomment/Change inside: log_min_messages = debug5 @@ -49,24 +49,24 @@ log_min_duration_statement = -1 sudo service postgresql restart ``` 2) Ahora puedes ver toneladas de detalles por cada sentencia, error e incluso tareas ejecutándose en segundo plano. ``` tail -f /var/log/postgresql/postgresql-9.x-main.log ``` 3) Se puede añadir quien ejecuto la sentencia en el log, editando el archivo `postgresql.conf`: ``` log_line_prefix = '%t %u %d %a ' ``` ## Consultas útiles - `SELECT * FROM pg_proc WHERE proname='__procedurename__'`: Lista los procedimientos/funciones - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: Lista las vistas, incluidas las definiciones - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Muestra la el espacio de tablas en uso. - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Muestra el espacio de base de datos en uso - `show statement_timeout;`: Muestra el tiempo límite de finalización de la consulta. - `SELECT * FROM pg_indexes WHERE tablename='__table_name__' AND schemaname='__schema_name__';`: Muestra los índices de las tablas - Obtener todos los índices de todas las tablas de un esquema: ```sql SELECT t.relname AS table_name, @@ -89,18 +89,18 @@ ORDER BY t.relname, i.relname ``` - Ejecutar datos: - Consutas a ser ejecutadas en una base de datos específica: ```sql SELECT datname, application_name, pid, backend_start, query_start, state_change, state, query FROM pg_stat_activity WHERE datname='__database_name__'; ``` - Obtener todas las consultas a todas las bases de datos esperando por datos. ```sql SELECT * FROM pg_stat_activity WHERE waiting='t' ``` - Consultas ejecutandose con su identificador de procesos: ```sql SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query @@ -109,12 +109,12 @@ FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; Casting: - `CAST (column AS type)` or `column::type` - `'__table_name__'::regclass::oid`: Obtener el identificador dado el nombre de la tabla ## Herramientas - [pg-top](http://ptop.projects.pgfoundry.org/): `top` para PG. `sudo apt-get install ptop` + `pg_top` - [Búsqueda inversa en PG como la de Unix](https://dba.stackexchange.com/questions/63453/is-there-a-psql-equivalent-of-bashs-reverse-search-history): ```bash $ echo "bind "^R" em-inc-search-prev" > $HOME/.editrc $ source $HOME/.editrc -
Kartones revised this gist
Aug 27, 2016 . 1 changed file with 9 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -17,9 +17,17 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `\dn`: List schemas - `\df`: List functions - `\dv`: List views - `\df+ __function__` : Show function SQL code. - `\x`: Pretty-format query results instead of the not-so-useful ASCII tables User Related: - `\du`: List users - `\du __username__`: List a username if present. - `create role __test1__`: Create a role with an existing username. - `create role __test2__ noinherit login password __passsword__;`: Create a role with username and password. - `set role __test__;`: Change role for current session to `__test__`. - `grant __test2__ to __test1__;`: Allow `__test1__` to set its role as `__test2__`. ## Configuration - Service management commands: -
Kartones revised this gist
Mar 2, 2016 . 1 changed file with 6 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -105,4 +105,9 @@ Casting: ## Tools - [pg-top](http://ptop.projects.pgfoundry.org/): `top` for PG. `sudo apt-get install ptop` + `pg_top` - [Unix-like reverse search in psql](https://dba.stackexchange.com/questions/63453/is-there-a-psql-equivalent-of-bashs-reverse-search-history): ```bash $ echo "bind "^R" em-inc-search-prev" > $HOME/.editrc $ source $HOME/.editrc ``` -
Kartones revised this gist
Feb 18, 2016 . 1 changed file with 3 additions and 2 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -35,8 +35,9 @@ sudo service postgresql restart sudo vim /etc/postgresql/9.3/main/postgresql.conf # Uncomment/Change inside: log_min_messages = debug5 log_min_error_statement = debug5 log_min_duration_statement = -1 sudo service postgresql restart ``` -
Kartones revised this gist
Feb 11, 2016 . 1 changed file with 2 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -17,7 +17,8 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `\dn`: List schemas - `\df`: List functions - `\dv`: List views - `\df+ __function` : Show function SQL code. - `\x`: Pretty-format query results instead of the not-so-useful ASCII tables ## Configuration -
Kartones revised this gist
Feb 11, 2016 . 1 changed file with 3 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -82,7 +82,9 @@ ORDER BY - Execution data: - Queries being executed at a certain DB: ```sql SELECT datname, application_name, pid, backend_start, query_start, state_change, state, query FROM pg_stat_activity WHERE datname='__database_name__'; ``` - Get all queries from all dbs waiting for data (might be hung): ```sql -
Kartones revised this gist
Feb 11, 2016 . 1 changed file with 1 addition and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -82,7 +82,7 @@ ORDER BY - Execution data: - Queries being executed at a certain DB: ```sql SELECT datname, application_name, pid, backend_start, query_start, state_change, state, query FROM pg_stat_activity WHERE datname='__database_name__'; ``` - Get all queries from all dbs waiting for data (might be hung): ```sql -
Kartones revised this gist
Jan 27, 2016 . 1 changed file with 1 addition and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -29,7 +29,7 @@ sudo service postgresql restart ``` - Changing verbosity & querying Postgres log: <br/>1) First edit the config file, set a decent verbosity, save and restart postgres: ``` sudo vim /etc/postgresql/9.3/main/postgresql.conf -
Kartones revised this gist
Jan 27, 2016 . 1 changed file with 3 additions and 3 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -29,7 +29,7 @@ sudo service postgresql restart ``` - Changing verbosity & querying Postgres log: 1) First edit the config file, set a decent verbosity, save and restart postgres: ``` sudo vim /etc/postgresql/9.3/main/postgresql.conf @@ -39,11 +39,11 @@ log_min_error_statement = debug2 sudo service postgresql restart ``` 2) Now you will get tons of details of every statement, error, and even background tasks like VACUUMs ``` tail -f /var/log/postgresql/postgresql-9.3-main.log ``` 3) How to add user who executed a PG statement to log (editing `postgresql.conf`): ``` log_line_prefix = '%t %u %d %a ' ``` -
Kartones revised this gist
Jan 27, 2016 . 1 changed file with 11 additions and 4 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -21,8 +21,15 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi ## Configuration - Service management commands: ``` sudo service postgresql stop sudo service postgresql start sudo service postgresql restart ``` - Changing verbosity & querying Postgres log: - First edit the config file, set a decent verbosity, save and restart postgres: ``` sudo vim /etc/postgresql/9.3/main/postgresql.conf @@ -32,11 +39,11 @@ log_min_error_statement = debug2 sudo service postgresql restart ``` - Now you will get tons of details of every statement, error, and even background tasks like VACUUMs ``` tail -f /var/log/postgresql/postgresql-9.3-main.log ``` - How to add user who executed a PG statement to log (editing `postgresql.conf`): ``` log_line_prefix = '%t %u %d %a ' ``` -
Kartones revised this gist
Jan 27, 2016 . 1 changed file with 15 additions and 15 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -51,38 +51,38 @@ log_line_prefix = '%t %u %d %a ' - `SELECT * FROM pg_indexes WHERE tablename='__table_name__' AND schemaname='__schema_name__';`: Show table indexes - Get all indexes from all tables of a schema: ```sql SELECT t.relname AS table_name, i.relname AS index_name, a.attname AS column_name FROM pg_class t, pg_class i, pg_index ix, pg_attribute a, pg_namespace n WHERE t.oid = ix.indrelid AND i.oid = ix.indexrelid AND a.attrelid = t.oid AND a.attnum = ANY(ix.indkey) AND t.relnamespace = n.oid AND n.nspname = 'kartones' ORDER BY t.relname, i.relname ``` - Execution data: - Queries being executed at a certain DB: ```sql SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__'; ``` - Get all queries from all dbs waiting for data (might be hung): ```sql SELECT * FROM pg_stat_activity WHERE waiting='t' ``` - Currently running queries with process pid: ```sql SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -48,7 +48,6 @@ log_line_prefix = '%t %u %d %a ' - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout - `SELECT * FROM pg_indexes WHERE tablename='__table_name__' AND schemaname='__schema_name__';`: Show table indexes - Get all indexes from all tables of a schema: ```sql @@ -73,8 +72,16 @@ order by t.relname, i.relname ``` - Execution data: - Queries being executed at a certain DB: ``` SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__'; ``` - Get all queries from all dbs waiting for data (might be hung): ``` SELECT * FROM pg_stat_activity WHERE waiting='t' ``` - Currently running queries with process pid: ``` SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query -
Kartones revised this gist
Jan 27, 2016 . 1 changed file with 14 additions and 5 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,3 +1,6 @@ ## PSQL Magic words: ```bash psql -U postgres @@ -16,9 +19,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `\dv`: List views - `\df+ __function` : Show function SQL code. `\x` before pretty-formats it ## Configuration Changing verbosity & querying Postgres log: - First edit the config file, set a decent verbosity, save and restart postgres: @@ -41,7 +42,7 @@ log_line_prefix = '%t %u %d %a ' ``` ## Handy queries - `SELECT * FROM pg_proc WHERE proname='__procedurename__'`: List procedure/function - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: List view (including the definition) - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use @@ -78,4 +79,12 @@ order by SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; ``` Casting: - `CAST (column AS type)` or `column::type` - `'__table_name__'::regclass::oid`: Get oid having a table name ## Tools - [pg-top](http://ptop.projects.pgfoundry.org/): `top` for PG. `sudo apt-get install ptop` + `pg_top` -
Kartones revised this gist
Oct 23, 2015 . 1 changed file with 2 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -75,6 +75,7 @@ order by - `select * from pg_stat_activity where waiting='t'`: Get all queries waiting for data (that might be hung) - Get all currently executing queries: ``` SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; ``` -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -72,4 +72,9 @@ order by t.relname, i.relname ``` - `select * from pg_stat_activity where waiting='t'`: Get all queries waiting for data (that might be hung) - Get all currently executing queries: ``` SELECT pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_activity(s.backendid) AS current_query FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; ``` -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -35,6 +35,11 @@ sudo service postgresql restart ``` tail -f /var/log/postgresql/postgresql-9.3-main.log ``` - How to add user who executed a PG statement to log (editing `postgresql.conf`): ``` log_line_prefix = '%t %u %d %a ' ``` SQL queries: - `SELECT * FROM pg_proc WHERE proname='__procedurename__'`: List procedure/function -
Kartones revised this gist
Oct 23, 2015 . 1 changed file with 2 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -66,4 +66,5 @@ where order by t.relname, i.relname ``` - `select * from pg_stat_activity where waiting='t'`: Get all queries waiting for data (that might be hung) -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -20,6 +20,22 @@ Casting: - `CAST (column AS type)` or `column::type` - `'__table_name__'::regclass::oid`: Get oid having a table name Changing verbosity & querying Postgres log: - First edit the config file, set a decent verbosity, save and restart postgres: ``` sudo vim /etc/postgresql/9.3/main/postgresql.conf # Uncomment/Change inside: log_min_messages = debug2 log_min_error_statement = debug2 sudo service postgresql restart ``` - Now you will get tons of details of every statement, error, and even background tasks like VACUUMs ``` tail -f /var/log/postgresql/postgresql-9.3-main.log ``` SQL queries: - `SELECT * FROM pg_proc WHERE proname='__procedurename__'`: List procedure/function - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: List view (including the definition) -
Kartones revised this gist
Sep 7, 2015 . 1 changed file with 1 addition and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -2,6 +2,7 @@ Magic words: ```bash psql -U postgres ``` If run with `-E` flag, it will describe the underlaying queries of the `\` commands (cool for learning!). Most `\d` commands support additional param of `__schema__.name__` and accept wildcards like `*.*` -
Kartones revised this gist
Jul 14, 2015 . 1 changed file with 6 additions and 5 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -14,18 +14,19 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `\df`: List functions - `\dv`: List views - `\df+ __function` : Show function SQL code. `\x` before pretty-formats it Casting: - `CAST (column AS type)` or `column::type` - `'__table_name__'::regclass::oid`: Get oid having a table name SQL queries: - `SELECT * FROM pg_proc WHERE proname='__procedurename__'`: List procedure/function - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: List view (including the definition) - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout - `SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__';`: Show queries being executed at a certain DB. Can also display query time, etc. - `SELECT * FROM pg_indexes WHERE tablename='__table_name__' AND schemaname='__schema_name__';`: Show table indexes - Get all indexes from all tables of a schema: ```sql select -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -20,7 +20,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout - `SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__';`: Show queries being executed at a certain DB. Can also display query time, etc. - `SELECT * FROM pg_indexes WHERE tablename='__table_name__' AND schemaname='__schema_name__';`: Show table indexes Casting: - `CAST (column AS type)` or `column::type` -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -26,7 +26,7 @@ Casting: - `CAST (column AS type)` or `column::type` SQL queries: - Get all indexes from all tables of a schema: ```sql select t.relname as table_name, -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -24,3 +24,28 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi Casting: - `CAST (column AS type)` or `column::type` SQL queries: - Get all indexes from all tables of a scheam: ```sql select t.relname as table_name, i.relname as index_name, a.attname as column_name from pg_class t, pg_class i, pg_index ix, pg_attribute a, pg_namespace n where t.oid = ix.indrelid and i.oid = ix.indexrelid and a.attrelid = t.oid and a.attnum = ANY(ix.indkey) and t.relnamespace = n.oid and n.nspname = 'kartones' order by t.relname, i.relname ``` -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -20,6 +20,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout - `SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__';`: Show queries being executed at a certain DB. Can also display query time, etc. - `SELECT * FROM pg_indexes WHERE tablename='__table_name__';`: Show table indexes Casting: - `CAST (column AS type)` or `column::type` -
Kartones revised this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -19,6 +19,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout - `SELECT pid, datname, waiting, state, query FROM pg_stat_activity WHERE datname='__database_name__';`: Show queries being executed at a certain DB. Can also display query time, etc. Casting: - `CAST (column AS type)` or `column::type` -
Kartones revised this gist
Apr 14, 2015 . 1 changed file with 1 addition and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -18,6 +18,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: List view (including the definition) - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use - `show statement_timeout;`: Show current user's statement timeout Casting: - `CAST (column AS type)` or `column::type` -
Kartones revised this gist
Sep 1, 2014 . 1 changed file with 3 additions and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -18,3 +18,6 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `SELECT * FROM pg_views WHERE viewname='__viewname__';`: List view (including the definition) - `SELECT pg_size_pretty(pg_total_relation_size('__table_name__'));`: Show DB table space in use - `SELECT pg_size_pretty(pg_database_size('__database_name__'));`: Show DB space in use Casting: - `CAST (column AS type)` or `column::type` -
Kartones revised this gist
Aug 12, 2014 . 1 changed file with 1 addition and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -8,7 +8,7 @@ Most `\d` commands support additional param of `__schema__.name__` and accept wi - `\q`: Quit/Exit - `\c __database__`: Connect to a database - `\d __table__`: Show table definition including triggers - `\dt *.*`: List tables from all schemas (if `*.*` is omitted will only show SEARCH_PATH ones) - `\l`: List databases - `\dn`: List schemas - `\df`: List functions
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