From 17510f2de185d86c0f4e86d5aace584fa0bc54f9 Mon Sep 17 00:00:00 2001
From: Tatiana Fokina <123386439+tfokina@users.noreply.github.com>
Date: Mon, 10 Jul 2023 17:55:24 +0600
Subject: [PATCH] CB-3608 memoize parse script (#1805)

Co-authored-by: dariamarutkina <125263541+dariamarutkina@users.noreply.github.com>
---
 .../plugin-sql-editor/src/SqlEditor/useSqlEditor.ts         | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/webapp/packages/plugin-sql-editor/src/SqlEditor/useSqlEditor.ts b/webapp/packages/plugin-sql-editor/src/SqlEditor/useSqlEditor.ts
index 32495dc61b..177807b6b7 100644
--- a/webapp/packages/plugin-sql-editor/src/SqlEditor/useSqlEditor.ts
+++ b/webapp/packages/plugin-sql-editor/src/SqlEditor/useSqlEditor.ts
@@ -13,7 +13,7 @@ import { ConnectionExecutionContextService, createConnectionParam } from '@cloud
 import { useService } from '@cloudbeaver/core-di';
 import { CommonDialogService, ConfirmationDialog, DialogueStateResult } from '@cloudbeaver/core-dialogs';
 import { SyncExecutor } from '@cloudbeaver/core-executor';
-import type { SqlCompletionProposal, SqlDialectInfo } from '@cloudbeaver/core-sdk';
+import type { SqlCompletionProposal, SqlDialectInfo, SqlScriptInfoFragment } from '@cloudbeaver/core-sdk';
 import { createLastPromiseGetter, isObjectsEqual, LastPromiseGetter, throttleAsync } from '@cloudbeaver/core-utils';
 
 import type { ISqlEditorTabState } from '../ISqlEditorTabState';
@@ -39,6 +39,7 @@ interface ISQLEditorDataPrivate extends ISQLEditorData {
   readonly sqlResultTabsService: SqlResultTabsService;
   readonly dataSource: ISqlDataSource | undefined;
   readonly getLastAutocomplete: LastPromiseGetter<SqlCompletionProposal[]>;
+  readonly parseScript: LastPromiseGetter<SqlScriptInfoFragment>;
 
   cursor: ICursor;
   readonlyState: boolean;
@@ -175,6 +176,7 @@ export function useSqlEditor(state: ISqlEditorTabState): ISQLEditorData {
       },
 
       getLastAutocomplete: createLastPromiseGetter(),
+      parseScript: createLastPromiseGetter(),
 
       getHintProposals: throttleAsync(async function getHintProposals(this: ISQLEditorDataPrivate, position, simple) {
         if (!this.dataSource?.executionContext) {
@@ -353,7 +355,7 @@ export function useSqlEditor(state: ISqlEditorTabState): ISQLEditorData {
           return;
         }
 
-        const { queries } = await this.sqlEditorService.parseSQLScript(connectionId, script);
+        const { queries } = await this.parseScript([connectionId, script], () => this.sqlEditorService.parseSQLScript(connectionId, script));
 
         if (this.parser.actualScript === script) {
           this.parser.setQueries(queries);