mirror of
https://github.com/GreptimeTeam/greptimedb.git
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276f6bf026
* feat: grafana postgresql data source query builder support * test: add sqlness test cases
261 lines
8.3 KiB
SQL
261 lines
8.3 KiB
SQL
-- should not able to create pg_catalog
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create database pg_catalog;
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-- session_user because session_user is based on the current user so is not null is for test
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-- SQLNESS PROTOCOL POSTGRES
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SELECT session_user is not null;
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-- SQLNESS REPLACE PostgreSQL.* VERSION
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-- current_schema
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-- SQLNESS PROTOCOL POSTGRES
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select current_schema(), current_schemas(true), current_schemas(false), version(), current_database();
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-- search_path for pg using schema for now FIXME when support real search_path
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-- SQLNESS PROTOCOL POSTGRES
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show search_path;
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-- set search_path for pg using schema for now FIXME when support real search_path
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create database test;
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-- SQLNESS PROTOCOL POSTGRES
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set search_path to 'test';
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drop database test;
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-- SQLNESS PROTOCOL POSTGRES
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set search_path to 'public';
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-- SQLNESS PROTOCOL POSTGRES
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set search_path = public;
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-- SQLNESS PROTOCOL POSTGRES
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select current_schema();
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-- make sure all the pg_catalog tables are only visible to postgres
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select * from pg_catalog.pg_class;
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select * from pg_catalog.pg_namespace;
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select * from pg_catalog.pg_type;
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select * from pg_catalog.pg_database;
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-- SQLNESS PROTOCOL POSTGRES
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select * from pg_catalog.pg_type order by oid;
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-- SQLNESS PROTOCOL POSTGRES
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-- SQLNESS REPLACE (\d+\s*) OID
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select * from pg_catalog.pg_database where datname = 'public';
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-- \d
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-- SQLNESS PROTOCOL POSTGRES
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SELECT n.nspname as "Schema",
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c.relname as "Name",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 't' THEN 'TOAST table' WHEN 'f' THEN 'foreign table' WHEN 'p' THEN 'partitioned table' WHEN 'I' THEN 'partitioned index' END as "Type",
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pg_catalog.pg_get_userbyid(c.relowner) as "Owner"
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FROM pg_catalog.pg_class c
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
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WHERE c.relkind IN ('r','p','v','m','S','f','')
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AND n.nspname <> 'pg_catalog'
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AND n.nspname !~ '^pg_toast'
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AND n.nspname <> 'information_schema'
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AND pg_catalog.pg_table_is_visible(c.oid)
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ORDER BY 1,2;
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-- \dt
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-- SQLNESS PROTOCOL POSTGRES
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SELECT n.nspname as "Schema",
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c.relname as "Name",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 't' THEN 'TOAST table' WHEN 'f' THEN 'foreign table' WHEN 'p' THEN 'partitioned table' WHEN 'I' THEN 'partitioned index' END as "Type",
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pg_catalog.pg_get_userbyid(c.relowner) as "Owner"
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FROM pg_catalog.pg_class c
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
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WHERE c.relkind IN ('r','p','')
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AND n.nspname <> 'pg_catalog'
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AND n.nspname !~ '^pg_toast'
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AND n.nspname <> 'information_schema'
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AND pg_catalog.pg_table_is_visible(c.oid)
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ORDER BY 1,2;
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-- make sure oid of namespace keep stable
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-- SQLNESS PROTOCOL POSTGRES
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-- SQLNESS REPLACE (\d+\s*) OID
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SELECT * FROM pg_namespace ORDER BY nspname;
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-- SQLNESS PROTOCOL POSTGRES
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create database my_db;
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-- SQLNESS PROTOCOL POSTGRES
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use my_db;
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-- SQLNESS PROTOCOL POSTGRES
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create table foo
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(
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ts TIMESTAMP TIME INDEX
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);
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-- show tables in `my_db`
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-- SQLNESS PROTOCOL POSTGRES
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select relname
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from pg_catalog.pg_class
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where relnamespace = (
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select oid
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from pg_catalog.pg_namespace
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where nspname = 'my_db'
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);
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-- \dt
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-- SQLNESS PROTOCOL POSTGRES
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SELECT n.nspname as "Schema",
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c.relname as "Name",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 't' THEN 'TOAST table' WHEN 'f' THEN 'foreign table' WHEN 'p' THEN 'partitioned table' WHEN 'I' THEN 'partitioned index' END as "Type",
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pg_catalog.pg_get_userbyid(c.relowner) as "Owner"
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FROM pg_catalog.pg_class c
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
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WHERE c.relkind IN ('r','p','')
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AND n.nspname <> 'pg_catalog'
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AND n.nspname !~ '^pg_toast'
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AND n.nspname <> 'information_schema'
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AND pg_catalog.pg_table_is_visible(c.oid)
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ORDER BY 1,2;
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-- show tables in `my_db`, `public`
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-- SQLNESS PROTOCOL POSTGRES
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select relname
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from pg_catalog.pg_class
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where relnamespace in (
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select oid
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from pg_catalog.pg_namespace
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where nspname = 'my_db' or nspname = 'public'
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)
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order by relname;
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-- SQLNESS PROTOCOL POSTGRES
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select relname
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from pg_catalog.pg_class
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where relnamespace in (
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select oid
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from pg_catalog.pg_namespace
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where nspname like 'my%'
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);
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-- SQLNESS PROTOCOL POSTGRES
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SELECT
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CASE WHEN
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quote_ident(table_schema) IN (
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SELECT
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CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
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FROM
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generate_series(
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array_lower(string_to_array(current_setting('search_path'),','),1),
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array_upper(string_to_array(current_setting('search_path'),','),1)
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) as i,
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string_to_array(current_setting('search_path'),',') s
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)
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THEN quote_ident(table_name)
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ELSE quote_ident(table_schema) || '.' || quote_ident(table_name)
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END AS "table"
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FROM information_schema.tables
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WHERE quote_ident(table_schema) NOT IN ('information_schema',
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'pg_catalog',
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'_timescaledb_cache',
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'_timescaledb_catalog',
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'_timescaledb_internal',
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'_timescaledb_config',
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'timescaledb_information',
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'timescaledb_experimental')
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ORDER BY CASE WHEN
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quote_ident(table_schema) IN (
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SELECT
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CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
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FROM
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generate_series(
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array_lower(string_to_array(current_setting('search_path'),','),1),
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array_upper(string_to_array(current_setting('search_path'),','),1)
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) as i,
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string_to_array(current_setting('search_path'),',') s
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) THEN 0 ELSE 1 END, 1;
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-- SQLNESS PROTOCOL POSTGRES
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SELECT quote_ident(column_name) AS "column", data_type AS "type"
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FROM information_schema.columns
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WHERE
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CASE WHEN array_length(parse_ident('my_db.foo'),1) = 2
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THEN quote_ident(table_schema) = (parse_ident('my_db.foo'))[1]
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AND quote_ident(table_name) = (parse_ident('my_db.foo'))[2]
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ELSE quote_ident(table_name) = 'my_db.foo'
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AND
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quote_ident(table_schema) IN (
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SELECT
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CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
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FROM
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generate_series(
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array_lower(string_to_array(current_setting('search_path'),','),1),
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array_upper(string_to_array(current_setting('search_path'),','),1)
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) as i,
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string_to_array(current_setting('search_path'),',') s
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)
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END;
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-- SQLNESS PROTOCOL POSTGRES
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-- SQLNESS REPLACE (\d+\s*) OID
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select relnamespace, relname, relkind
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from pg_catalog.pg_class
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where relnamespace in (
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select oid
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from pg_catalog.pg_namespace
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where nspname <> 'public'
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and nspname <> 'information_schema'
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and nspname <> 'pg_catalog'
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)
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order by relnamespace, relname;
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-- SQLNESS PROTOCOL POSTGRES
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use public;
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-- SQLNESS PROTOCOL POSTGRES
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drop schema my_db;
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-- SQLNESS PROTOCOL POSTGRES
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use pg_catalog;
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-- pg_class
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-- SQLNESS PROTOCOL POSTGRES
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desc table pg_class;
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-- SQLNESS PROTOCOL POSTGRES
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desc table pg_namespace;
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-- SQLNESS PROTOCOL POSTGRES
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drop table my_db.foo;
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-- SQLNESS PROTOCOL POSTGRES
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use public;
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-- PostgreSQL description functions - placeholder returning NULL for compatibility
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-- SQLNESS PROTOCOL POSTGRES
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SELECT obj_description((SELECT oid FROM pg_class LIMIT 1), 'pg_class') IS NULL AS is_null;
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-- SQLNESS PROTOCOL POSTGRES
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SELECT obj_description((SELECT oid FROM pg_class LIMIT 1)) IS NULL AS is_null;
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-- SQLNESS PROTOCOL POSTGRES
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SELECT col_description((SELECT oid FROM pg_class LIMIT 1), 1) IS NULL AS is_null;
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-- SQLNESS PROTOCOL POSTGRES
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SELECT shobj_description(1, 'pg_database') IS NULL AS is_null;
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-- pg_my_temp_schema returns 0 (no temp schema support)
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-- SQLNESS PROTOCOL POSTGRES
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SELECT pg_my_temp_schema();
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-- Issue 7313
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-- SQLNESS PROTOCOL POSTGRES
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-- SQLNESS REPLACE (\d+\s*) OID
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SELECT
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oid
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,nspname
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,nspname = ANY (current_schemas(true)) AS is_on_search_path
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,obj_description(oid, 'pg_namespace') AS comment
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FROM pg_namespace; SELECT
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oid
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,nspname
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FROM pg_namespace
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WHERE oid = pg_my_temp_schema();
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