fixed actual show plan command (#2620)

src/sql/parts/query/editor/gridPanel.ts

@@ -553,7 +553,10 @@ class GridTable<T> extends Disposable implements IView {
 	private loadData(offset: number, count: number): Thenable<T[]> {
 		return this.runner.getQueryRows(offset, count, this.resultSet.batchId, this.resultSet.id).then(response => {
 			if (this.runner.isQueryPlan) {
-				this.instantiationService.createInstance(ShowQueryPlanAction).run(response.resultSubset.rows[0][0].displayValue);
+				// it's a show plan response
+				if (response.resultSubset.rowCount === 1) {
+					this.instantiationService.createInstance(ShowQueryPlanAction).run(response.resultSubset.rows[0][0].displayValue);
+				}
 			}
 			return response.resultSubset.rows.map(r => {
 				let dataWithSchema = {};

src/sql/parts/query/editor/queryEditor.ts

@@ -377,6 +377,26 @@ export class QueryEditor extends BaseEditor {
 		return undefined;
 	}
 
+	public getAllSelection(): ISelectionData {
+		if (this._sqlEditor && this._sqlEditor.getControl()) {
+			let control = this._sqlEditor.getControl();
+			let codeEditor: ICodeEditor = <ICodeEditor>control;
+			if (codeEditor) {
+				let model = codeEditor.getModel();
+				let totalLines = model.getLineCount();
+				let endColumn = model.getLineMaxColumn(totalLines);
+				let selection: ISelectionData = {
+					startLine: 0,
+					startColumn: 0,
+					endLine: totalLines - 1,
+					endColumn: endColumn - 1,
+				};
+				return selection;
+			}
+		}
+		return undefined;
+	}
+
 	public getSelectionText(): string {
 		if (this._sqlEditor && this._sqlEditor.getControl()) {
 			let control = this._sqlEditor.getControl();

src/sql/parts/query/execution/queryActions.ts

@@ -271,7 +271,11 @@ export class ActualQueryPlanAction extends QueryTaskbarAction {
 		}
 
 		if (this.isConnected(editor)) {
-			editor.currentQueryInput.runQuery(editor.getSelection(), {
+			let selection = editor.getSelection();
+			if (!selection) {
+				selection = editor.getAllSelection();
+			}
+			editor.currentQueryInput.runQuery(selection, {
 				displayActualQueryPlan: true
 			});
 		}

src/sql/parts/queryPlan/queryPlan.ts

@@ -42,7 +42,6 @@ export class QueryPlanView implements IPanelView {
 		}
 		container.appendChild(this.container);
 		container.style.overflow = 'scroll';
-		container.style.background = '#FFFFFF';
 	}
 
 	public layout(dimension: Dimension): void {