clickhouse - view support, incremental structure update

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

@@ -1,7 +1,11 @@
 const columns = require('./columns');
 const tables = require('./tables');
+const views = require('./views');
+const tableModifications = require('./tableModifications');
 
 module.exports = {
   columns,
   tables,
+  views,
+  tableModifications,
 };

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

@@ -0,0 +1,5 @@
+module.exports = `
+select metadata_modification_time as "contentHash", uuid as "objectId", engine as "tableEngine"
+from system.tables 
+where database='#DATABASE#';
+`;

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

@@ -2,5 +2,5 @@ module.exports = `
 select name as "pureName", metadata_modification_time as "contentHash", total_rows as "tableRowCount", uuid as "objectId", comment as "objectComment",
 engine as "tableEngine", primary_key as "primaryKeyColumns", sorting_key as "sortingKeyColumns" 
 from system.tables 
-where database='#DATABASE#' and uuid =OBJECT_ID_CONDITION;
+where database='#DATABASE#' and uuid =OBJECT_ID_CONDITION and engine != 'View';
 `;

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

@@ -0,0 +1,10 @@
+module.exports = `
+select 
+    tables.name as "pureName",
+    tables.uuid as "objectId",
+    views.view_definition as "viewDefinition",
+    tables.metadata_modification_time as "contentHash"
+from information_schema.views 
+inner join system.tables on views.table_name = tables.name and views.table_schema = tables.database
+where views.table_schema='#DATABASE#' and tables.uuid =OBJECT_ID_CONDITION
+`;