mssql indexes analyse WIP

integration-tests/__tests__/table-analyse.spec.js

@@ -2,6 +2,7 @@ const engines = require('../engines');
 const { testWrapper } = require('../tools');
 
 const t1Sql = 'CREATE TABLE t1 (id int not null primary key, val1 varchar(50) null)';
+const ix1Sql = 'CREATE index ix1 ON t1(val1)';
 const t2Sql = 'CREATE TABLE t2 (id int not null primary key, val2 varchar(50) null)';
 
 const txMatch = (tname, vcolname, nextcol) =>
@@ -98,7 +99,7 @@ describe('Table analyse', () => {
       const structure1 = await driver.analyseFull(conn);
 
       if (engine.dbSnapshotBySeconds) await new Promise(resolve => setTimeout(resolve, 1100));
-      
+
       await driver.query(conn, 'ALTER TABLE t2 ADD nextcol varchar(50)');
       const structure2 = await driver.analyseIncremental(conn, structure1);
 
@@ -109,4 +110,16 @@ describe('Table analyse', () => {
       expect(structure2.tables.find(x => x.pureName == 't2')).toEqual(t2NextColMatch);
     })
   );
+
+  test.each(engines.map(engine => [engine.label, engine]))(
+    'Index - full analysis - %s',
+    testWrapper(async (conn, driver, engine) => {
+      await driver.query(conn, t1Sql);
+      await driver.query(conn, ix1Sql);
+      const structure = await driver.analyseFull(conn);
+
+      const t1 = structure.tables.find(x => x.pureName == 't1');
+      expect(t1.indexes.length).toEqual(1);
+    })
+  );
 });

plugins/dbgate-plugin-mssql/src/backend/MsSqlAnalyser.js

@@ -117,6 +117,9 @@ class MsSqlAnalyser extends DatabaseAnalyser {
         createSql: getCreateSql(row),
       }));
 
+    const indexesRows = await this.driver.query(this.pool, this.createQuery('indexes', ['tables']));
+    const indexcolsRows = await this.driver.query(this.pool, this.createQuery('indexesindexcols', ['tables']));
+
     return {
       tables,
       views,

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

@@ -8,6 +8,8 @@ const views = require('./views');
 const programmables = require('./programmables');
 const viewColumns = require('./viewColumns');
 const getSchemas = require('./getSchemas');
+const indexes = require('./indexes');
+const indexcols = require('./indexcols');
 
 module.exports = {
   columns,
@@ -20,4 +22,6 @@ module.exports = {
   programmables,
   viewColumns,
   getSchemas,
+  indexes,
+  indexcols,
 };

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

@@ -0,0 +1,7 @@
+module.exports = `
+select c.object_id, c.index_id, c.column_id, c.is_descending_key, c.is_included_column from sys.index_columns c
+
+where c.object_id =OBJECT_ID_CONDITION
+order by c.key_ordinal
+
+`;

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

@@ -0,0 +1,14 @@
+module.exports = `
+select i.object_id as objectId, i.name as constraintName, i.type_desc, i.is_unique as isUnique,i.index_id, i.is_unique_constraint  from sys.indexes i
+where i.is_primary_key=0
+and i.is_hypothetical=0 and indexproperty(i.object_id, i.name, 'IsStatistics') = 0
+and objectproperty(i.object_id, 'IsUserTable') = 1
+and i.index_id between 1 and 254
+
+--and i.name not in
+-- (select o.name from sysobjects o
+--  where o.parent_obj = i.object_id
+--  and objectproperty(o.id, N'isConstraint') = 1.0)
+
+ and i.object_id =OBJECT_ID_CONDITION
+`;