Merge pull request #313 from janfh/feature/object_locks

Right click option on SQL objects to view object locks

Author: worksofliam

package.json

@@ -363,6 +363,11 @@
         "title": "Get Authorities",
         "category": "Db2 for i"
       },
+      {
+        "command": "vscode-db2i.getObjectLocks",
+        "title": "Get Object Locks",
+        "category": "Db2 for i"
+      },
       {
         "command": "vscode-db2i.clearData",
         "title": "Clear...",
@@ -963,6 +968,11 @@
           "when": "viewItem == table || viewItem == view || viewItem == alias || viewItem == constraint || viewItem == function || viewItem == variable || viewItem == index || viewItem == procedure || viewItem == sequence || viewItem == package || viewItem == trigger || viewItem == type",
           "group": "db2workWith@4"
         },
+        {
+          "command": "vscode-db2i.getObjectLocks",
+          "when": "viewItem == table || viewItem == view || viewItem == alias || viewItem == constraint || viewItem == function || viewItem == variable || viewItem == index || viewItem == procedure || viewItem == sequence || viewItem == package || viewItem == trigger || viewItem == type",
+          "group": "db2workWith@5"
+        },
         {
           "command": "vscode-db2i.clearData",
           "when": "viewItem == table",

src/views/schemaBrowser/contributes.json

@@ -54,6 +54,11 @@
         "title": "Get Authorities",
         "category": "Db2 for i"
       },
+      {
+        "command": "vscode-db2i.getObjectLocks",
+        "title": "Get Object Locks",
+        "category": "Db2 for i"
+      },
       {
         "command": "vscode-db2i.clearData",
         "title": "Clear...",
@@ -167,6 +172,11 @@
           "when": "viewItem == table || viewItem == view || viewItem == alias || viewItem == constraint || viewItem == function || viewItem == variable || viewItem == index || viewItem == procedure || viewItem == sequence || viewItem == package || viewItem == trigger || viewItem == type",
           "group": "db2workWith@4"
         },
+        {
+          "command": "vscode-db2i.getObjectLocks",
+          "when": "viewItem == table || viewItem == view || viewItem == alias || viewItem == function || viewItem == variable || viewItem == index || viewItem == procedure || viewItem == sequence || viewItem == package || viewItem == trigger || viewItem == type",
+          "group": "db2workWith@5"
+        },
         {
           "command": "vscode-db2i.clearData",
           "when": "viewItem == table",

src/views/schemaBrowser/index.ts

@@ -10,7 +10,7 @@ import Configuration from "../../configuration";
 import Types from "../types";
 import Statement from "../../database/statement";
 import { getCopyUi } from "./copyUI";
-import { getAdvisedIndexesStatement, getIndexesStatement, getMTIStatement, getAuthoritiesStatement } from "./statements";
+import { getAdvisedIndexesStatement, getIndexesStatement, getMTIStatement, getAuthoritiesStatement, getObjectLocksStatement } from "./statements";
 
 const viewItem = {
   "tables": `table`,
@@ -197,7 +197,18 @@ export default class schemaBrowser {
           });
         }
       }),
-      
+
+      vscode.commands.registerCommand(`vscode-db2i.getObjectLocks`, async (object: SQLObject) => {
+        if (object) {
+          const content = getObjectLocksStatement(object.schema, object.name, object.type.toUpperCase(), object.tableType);
+          vscode.commands.executeCommand(`vscode-db2i.runEditorStatement`, {
+            content,
+            qualifier: `statement`,
+            open: false,
+          });
+        }
+      }),
+
       vscode.commands.registerCommand(`vscode-db2i.advisedIndexes`, async (object: SQLObject|SchemaItem) => { //table
         if (object) {
           let content: string|undefined;

src/views/schemaBrowser/statements.ts

@@ -264,7 +264,40 @@ export function getAuthoritiesStatement(schema: string, table: string, objectTyp
   if (objectType === 'TABLE' && tableType != 'T') {
     sql += ` and object_type = '*FILE'`;
   } else {
-    sql += ` and sql_object_type = '${objectType}'`;    
+    sql += ` and sql_object_type = '${objectType}'`;
   }
   return sql;
+}
+
+export function getObjectLocksStatement(schema: string, table: string, objectType: string, tableType: string): string {
+    let sql: string = `
+      select
+        system_table_member "Member",
+        member_lock_type "Member Lock Type", 
+        lock_state "Lock State", 
+        lock_status "Lock Status", 
+        lock_scope "Scope", 
+        substr(job_name, locate_in_string(job_name, '/', -1) + 1) "Job Name",
+        substr(job_name, locate_in_string(job_name, '/', 1) + 1, locate_in_string(job_name, '/', -1) - locate_in_string(job_name, '/', 1) - 1) "Job User",
+        substr(job_name, 1, locate_in_string(job_name, '/', 1) - 1) "Job Number",
+        thread_id "Thread", 
+        lock_space_id "Lock Space", 
+        lock_count "Lock Count", 
+        program_library_name "Program Library", 
+        program_name "Program Name", 
+        module_library_name "Module Library", 
+        module_name "Module Name", 
+        procedure_name "Procedure Name", 
+        statement_id "Statement ID", 
+        machine_instruction "Instruction"
+      from qsys2.object_lock_info
+      where object_schema = '${schema}' 
+        and object_name = '${table}'
+    `;
+    if (objectType === 'TABLE' && tableType != 'T') {
+        sql += ` and object_type = '*FILE'`;
+    } else {
+        sql += ` and sql_object_type = '${objectType.toUpperCase()}'`;
+    }
+    return sql;
 }