feat: mssql server summary

plugins/dbgate-plugin-mssql/src/backend/sql/index.js

@@ -13,6 +13,9 @@ const viewColumns = require('./viewColumns');
 const indexes = require('./indexes');
 const indexcols = require('./indexcols');
 const triggers = require('./triggers');
+const listVariables = require('./listVariables');
+const listDatabases = require('./listDatabases');
+const listProcesses = require('./listProcesses');
 
 module.exports = {
   columns,
@@ -30,4 +33,7 @@ module.exports = {
   indexcols,
   tableSizes,
   triggers,
+  listVariables,
+  listDatabases,
+  listProcesses,
 };

plugins/dbgate-plugin-mssql/src/backend/sql/listDatabases.js

@@ -0,0 +1,17 @@
+module.exports = `
+  SELECT
+    d.name,
+    d.database_id,
+    d.state_desc as status,
+    d.recovery_model_desc as recoveryModel,
+    d.collation_name as collation,
+    d.compatibility_level as compatibilityLevel,
+    d.is_read_only as isReadOnly,
+    CAST(SUM(CASE WHEN mf.type = 0 THEN mf.size * 8192.0 ELSE 0 END) AS BIGINT) AS sizeOnDisk,
+    CAST(SUM(CASE WHEN mf.type = 1 THEN mf.size * 8192.0 ELSE 0 END) AS BIGINT) AS logSizeOnDisk
+  FROM sys.databases d
+  LEFT JOIN sys.master_files mf ON d.database_id = mf.database_id
+  GROUP BY d.name, d.database_id, d.state_desc, d.recovery_model_desc, d.collation_name,
+           d.compatibility_level, d.is_read_only
+  ORDER BY d.name
+`;

plugins/dbgate-plugin-mssql/src/backend/sql/listProcesses.js

@@ -0,0 +1,11 @@
+module.exports = `
+SELECT 
+  session_id as processId,
+  ISNULL(host_name, 'Unknown') + ':' + ISNULL(CAST(host_process_id AS VARCHAR(10)), '?') as client,
+  ISNULL(DB_NAME(database_id), 'master') as namespace,
+  ISNULL(DATEDIFF(SECOND, last_request_start_time, GETDATE()), 0) as runningTime,
+  status as state
+FROM sys.dm_exec_sessions 
+WHERE is_user_process = 1
+ORDER BY session_id
+`;

plugins/dbgate-plugin-mssql/src/backend/sql/listVariables.js

@@ -0,0 +1,3 @@
+module.exports = `
+  SELECT name as variable, value FROM sys.configurations ORDER BY name
+`;