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resources [2011/11/15 15:40] k2patel [Admin SQL] |
resources [2020/08/10 02:35] (current) |
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| == Read Only User == | == Read Only User == | ||
| - | This only allow user to access database but can not write to it. | + | This only allow user to access database but can not write to it.\\ |
| + | <note important>Before you grant make sure you selected database else it could not work</note> | ||
| <code sql> | <code sql> | ||
| Line 69: | Line 70: | ||
| GRANT SELECT ON ALL TABLES IN SCHEMA public TO carol; | GRANT SELECT ON ALL TABLES IN SCHEMA public TO carol; | ||
| </code> | </code> | ||
| + | |||
| + | <note tip>If there is ERROR : pg_dump: The command was: LOCK SEQUENCE public.client_group IN ACCESS SHARE MODE See next Section </note> | ||
| + | |||
| + | <code sql> | ||
| + | \dp public.client_group; # check permission | ||
| + | GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO backup; | ||
| + | </code> | ||
| + | |||
| + | <note tip>Even you can use above commands to create backup user for specific database.</note> | ||
| ==== Getting Connection Information ==== | ==== Getting Connection Information ==== | ||
| Line 78: | Line 88: | ||
| Following is the available procedures / variable. | Following is the available procedures / variable. | ||
| - | + | <code text> | |
| - | {| style="border-spacing:0;" | + | Name Description |
| - | ! <center>Name</center> | + | current_catalog name of current database (called "catalog" in the SQL standard) |
| - | ! <center>Return Type</center> | + | current_database() name of current database |
| - | ! <center>Description</center> | + | current_schema[()] name of current schema |
| - | + | current_schemas(boolean) names of schemas in search path, optionally including implicit schemas | |
| - | |- | + | current_user user name of current execution context |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_catalog</tt> | + | current_query() text of the currently executing query, as submitted by the client (might contain more than one statement) |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | pg_backend_pid() Process ID of the server process attached to the current session |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| name of current database (called "catalog" in the SQL standard) | + | pg_listening_channels() channel names that the session is currently listening on |
| - | + | inet_client_addr() address of the remote connection | |
| - | |- | + | inet_client_port() port of the remote connection |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_database()</tt> | + | inet_server_addr() address of the local connection |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | inet_server_port() port of the local connection |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| name of current database | + | pg_my_temp_schema() OID of session's temporary schema, or 0 if none |
| - | + | pg_is_other_temp_schema(oid) boolean is schema another session's temporary schema? | |
| - | |- | + | pg_postmaster_start_time() server start time |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_schema<nowiki>[()]</nowiki></tt> | + | pg_conf_load_time() configuration load time |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | session_user session user name |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| name of current schema | + | user equivalent to current_user |
| - | + | version() PostgreSQL version information | |
| - | |- | + | </code> |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_schemas(boolean)</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt><nowiki>name[]</nowiki></tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| names of schemas in search path, optionally including implicit schemas | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_user</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| user name of current execution context | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>current_query()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>text</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| text of the currently executing query, as submitted by the client (might contain more than one statement) | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_backend_pid()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>int</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| Process ID of the server process attached to the current session | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_listening_channels()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>setof text</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| channel names that the session is currently listening on | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet_client_addr()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| address of the remote connection | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet_client_port()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>int</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| port of the remote connection | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet_server_addr()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| address of the local connection | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#efefef;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>inet_server_port()</tt> | + | |
| - | | style="background-color:#efefef;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>int</tt> | + | |
| - | | style="background-color:#efefef;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| port of the local connection | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_my_temp_schema()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>oid</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| OID of session's temporary schema, or 0 if none | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_is_other_temp_schema(oid)</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>boolean</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| is schema another session's temporary schema? | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_postmaster_start_time()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>timestamp with time zone</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| server start time | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>pg_conf_load_time()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>timestamp with time zone</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| configuration load time | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>session_user</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| session user name | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>user</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>name</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| equivalent to <tt>current_user</tt> | + | |
| - | + | ||
| - | |- | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>version()</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:none;padding:0.0194in;"| <tt>text</tt> | + | |
| - | | style="background-color:#ffffff;border-top:none;border-bottom:0.0361in double #808080;border-left:0.0361in double #808080;border-right:0.0361in double #808080;padding:0.0194in;"| PostgreSQL version information | + | |
| - | + | ||
| - | |} | + | |
| - | + | ||
| - | + | ||
resources.1321371632.txt.gz · Last modified: 2020/08/10 02:29 (external edit)
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