Include statement in generated source as a comment

Author: janfh

src/views/results/index.ts

@@ -383,7 +383,9 @@ async function runHandler(options?: StatementInfo) {
           updateStatusBar({executing: true});
           const result = await JobManager.runSQLVerbose(statementDetail.content, undefined, 1);
           setCancelButtonVisibility(false);
-          let content = `**free\n\n-- Row data structure\ndcl-ds row_t qualified template;\n`;
+          let content = `**free\n\n`
+            + `// statement: ${statementDetail.content}\n\n`
+            + `// Row data structure\ndcl-ds row_t qualified template;\n`;
 
           for (let i = 0; i < result.metadata.column_count; i++) {
             content += `  ${isNaN(+result.metadata.columns[i].label.charAt(0)) ? '' : 'col'}${result.metadata.columns[i].label.toLowerCase()} `;