rust/greptimedb
1
0
Fork 0
mirror of https://github.com/GreptimeTeam/greptimedb.git synced 2025-12-22 22:20:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat: grafana postgresql data source query builder support (#7379)

Browse Source 
* feat: grafana postgresql data source query builder support

* test: add sqlness test cases
This commit is contained in:
Ning Sun
2025-12-11 11:18:35 +08:00
committed by GitHub
parent 1d5291b06d
commit 276f6bf026
7 changed files with 148 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
tests/cases/standalone/common/system/pg_catalog.result
View File

@@ -862,6 +862,77 @@ where relnamespace in (
| foo |
+---------+
-- SQLNESS PROTOCOL POSTGRES
SELECT
CASE WHEN
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
)
THEN quote_ident(table_name)
ELSE quote_ident(table_schema) || '.' || quote_ident(table_name)
END AS "table"
FROM information_schema.tables
WHERE quote_ident(table_schema) NOT IN ('information_schema',
'pg_catalog',
'_timescaledb_cache',
'_timescaledb_catalog',
'_timescaledb_internal',
'_timescaledb_config',
'timescaledb_information',
'timescaledb_experimental')
ORDER BY CASE WHEN
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
) THEN 0 ELSE 1 END, 1;
+----------------+
| table |
+----------------+
| my_db.foo |
| public.numbers |
+----------------+
-- SQLNESS PROTOCOL POSTGRES
SELECT quote_ident(column_name) AS "column", data_type AS "type"
FROM information_schema.columns
WHERE
CASE WHEN array_length(parse_ident('my_db.foo'),1) = 2
THEN quote_ident(table_schema) = (parse_ident('my_db.foo'))[1]
AND quote_ident(table_name) = (parse_ident('my_db.foo'))[2]
ELSE quote_ident(table_name) = 'my_db.foo'
AND
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
)
END;
+--------+--------------+
| column | type |
+--------+--------------+
| ts | timestamp(3) |
+--------+--------------+
-- SQLNESS PROTOCOL POSTGRES
-- SQLNESS REPLACE (\d+\s*) OID
select relnamespace, relname, relkind
@@ -1013,9 +1084,7 @@ SELECT
oid
,nspname
,nspname = ANY (current_schemas(true)) AS is_on_search_path
,obj_description(oid, 'pg_namespace') AS comment
FROM pg_namespace; SELECT
oid
,nspname

63
tests/cases/standalone/common/system/pg_catalog.sql
View File

@@ -132,6 +132,64 @@ where relnamespace in (
where nspname like 'my%'
);
-- SQLNESS PROTOCOL POSTGRES
SELECT
CASE WHEN
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
)
THEN quote_ident(table_name)
ELSE quote_ident(table_schema) || '.' || quote_ident(table_name)
END AS "table"
FROM information_schema.tables
WHERE quote_ident(table_schema) NOT IN ('information_schema',
'pg_catalog',
'_timescaledb_cache',
'_timescaledb_catalog',
'_timescaledb_internal',
'_timescaledb_config',
'timescaledb_information',
'timescaledb_experimental')
ORDER BY CASE WHEN
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
) THEN 0 ELSE 1 END, 1;
-- SQLNESS PROTOCOL POSTGRES
SELECT quote_ident(column_name) AS "column", data_type AS "type"
FROM information_schema.columns
WHERE
CASE WHEN array_length(parse_ident('my_db.foo'),1) = 2
THEN quote_ident(table_schema) = (parse_ident('my_db.foo'))[1]
AND quote_ident(table_name) = (parse_ident('my_db.foo'))[2]
ELSE quote_ident(table_name) = 'my_db.foo'
AND
quote_ident(table_schema) IN (
SELECT
CASE WHEN trim(s[i]) = '"$user"' THEN user ELSE trim(s[i]) END
FROM
generate_series(
array_lower(string_to_array(current_setting('search_path'),','),1),
array_upper(string_to_array(current_setting('search_path'),','),1)
) as i,
string_to_array(current_setting('search_path'),',') s
)
END;
-- SQLNESS PROTOCOL POSTGRES
-- SQLNESS REPLACE (\d+\s*) OID
select relnamespace, relname, relkind
@@ -192,12 +250,11 @@ SELECT
oid
,nspname
,nspname = ANY (current_schemas(true)) AS is_on_search_path
,obj_description(oid, 'pg_namespace') AS comment
FROM pg_namespace; SELECT
oid
,nspname
FROM pg_namespace
WHERE oid = pg_my_temp_schema();