clickhouse: load views for users with limited permissions #1076

packages/tools/src/DatabaseAnalyser.ts

@@ -354,6 +354,7 @@ export class DatabaseAnalyser {
       logger.error(extractErrorLogData(err, { template }), 'Error running analyser query');
       return {
         rows: [],
+        isError: true,
       };
     }
   }

plugins/dbgate-plugin-clickhouse/src/backend/Analyser.js

@@ -34,7 +34,10 @@ class Analyser extends DatabaseAnalyser {
     this.feedback({ analysingMessage: 'Loading columns' });
     const columns = await this.analyserQuery('columns', ['tables', 'views']);
     this.feedback({ analysingMessage: 'Loading views' });
-    const views = await this.analyserQuery('views', ['views']);
+    let views = await this.analyserQuery('views', ['views']);
+    if (views?.isError) {
+      views = await this.analyserQuery('viewsNoDefinition', ['views']);
+    }
 
     const res = {
       tables: tables.rows.map((table) => ({
@@ -64,7 +67,7 @@ class Analyser extends DatabaseAnalyser {
             ...col,
             ...extractDataType(col.dataType),
           })),
-        createSql: `CREATE VIEW "${view.pureName}"\nAS\n${view.viewDefinition}`,
+        createSql: view.viewDefinition ? `CREATE VIEW "${view.pureName}"\nAS\n${view.viewDefinition}` : '',
       })),
     };
     this.feedback({ analysingMessage: null });

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

@@ -1,11 +1,13 @@
 const columns = require('./columns');
 const tables = require('./tables');
 const views = require('./views');
+const viewsNoDefinition = require('./viewsNoDefinition');
 const tableModifications = require('./tableModifications');
 
 module.exports = {
   columns,
   tables,
   views,
+  viewsNoDefinition,
   tableModifications,
 };

plugins/dbgate-plugin-clickhouse/src/backend/sql/viewsNoDefinition.js

@@ -0,0 +1,8 @@
+module.exports = `
+select 
+    tables.name as "pureName",
+    tables.uuid as "objectId",
+    tables.metadata_modification_time as "contentHash"
+from system.tables
+where tables.database='#DATABASE#' and tables.uuid =OBJECT_ID_CONDITION and tables.engine = 'View'
+`;