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@@ -1,18 +1,31 @@
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import { statSync } from 'fs';
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import path from 'path';
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import { UserSettings } from 'n8n-core';
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import type { MigrationContext, IrreversibleMigration } from '@db/types';
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import config from '@/config';
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import { copyTable } from '@/databases/utils/migrationHelpers';
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export class MigrateIntegerKeysToString1690000000002 implements IrreversibleMigration {
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async up({ queryRunner, tablePrefix }: MigrationContext) {
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transaction = false as const;
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async up(context: MigrationContext) {
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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await pruneExecutionsData(context);
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const { queryRunner, tablePrefix } = context;
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await queryRunner.query(`
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CREATE TABLE "${tablePrefix}TMP_workflow_entity" ("id" varchar(36) PRIMARY KEY NOT NULL, "name" varchar(128) NOT NULL, "active" boolean NOT NULL, "nodes" text, "connections" text NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "settings" text, "staticData" text, "pinData" text, "versionId" varchar(36), "triggerCount" integer NOT NULL DEFAULT 0);`);
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CREATE TABLE "${tablePrefix}TMP_workflow_entity" ("id" varchar(36) PRIMARY KEY NOT NULL, "name" varchar(128) NOT NULL, "active" boolean NOT NULL, "nodes" text, "connections" text NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "settings" text, "staticData" text, "pinData" text, "versionId" varchar(36), "triggerCount" integer NOT NULL DEFAULT 0);`);
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await queryRunner.query(
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`INSERT INTO "${tablePrefix}TMP_workflow_entity" (id, name, active, nodes, connections, createdAt, updatedAt, settings, staticData, pinData, triggerCount, versionId) SELECT id, name, active, nodes, connections, createdAt, updatedAt, settings, staticData, pinData, triggerCount, versionId FROM "${tablePrefix}workflow_entity";`,
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);
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await queryRunner.query(`DROP TABLE "${tablePrefix}workflow_entity";`);
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await queryRunner.query(`ALTER TABLE "${tablePrefix}TMP_workflow_entity" RENAME TO "${tablePrefix}workflow_entity";
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`);
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await queryRunner.query(
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`ALTER TABLE "${tablePrefix}TMP_workflow_entity" RENAME TO "${tablePrefix}workflow_entity"`,
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);
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await queryRunner.query(`
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CREATE TABLE "${tablePrefix}TMP_tag_entity" ("id" varchar(36) PRIMARY KEY NOT NULL, "name" varchar(24) NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')));`);
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CREATE TABLE "${tablePrefix}TMP_tag_entity" ("id" varchar(36) PRIMARY KEY NOT NULL, "name" varchar(24) NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')));`);
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await queryRunner.query(
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`INSERT INTO "${tablePrefix}TMP_tag_entity" SELECT * FROM "${tablePrefix}tag_entity";`,
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);
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@@ -22,7 +35,7 @@ CREATE TABLE "${tablePrefix}TMP_tag_entity" ("id" varchar(36) PRIMARY KEY NOT NU
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);
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await queryRunner.query(`
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CREATE TABLE "${tablePrefix}TMP_workflows_tags" ("workflowId" varchar(36) NOT NULL, "tagId" integer NOT NULL, CONSTRAINT "FK_${tablePrefix}workflows_tags_workflow_entity" FOREIGN KEY ("workflowId") REFERENCES "${tablePrefix}workflow_entity" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_${tablePrefix}workflows_tags_tag_entity" FOREIGN KEY ("tagId") REFERENCES "${tablePrefix}tag_entity" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, PRIMARY KEY ("workflowId", "tagId"));`);
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CREATE TABLE "${tablePrefix}TMP_workflows_tags" ("workflowId" varchar(36) NOT NULL, "tagId" integer NOT NULL, CONSTRAINT "FK_${tablePrefix}workflows_tags_workflow_entity" FOREIGN KEY ("workflowId") REFERENCES "${tablePrefix}workflow_entity" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_${tablePrefix}workflows_tags_tag_entity" FOREIGN KEY ("tagId") REFERENCES "${tablePrefix}tag_entity" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, PRIMARY KEY ("workflowId", "tagId"));`);
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await queryRunner.query(
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`INSERT INTO "${tablePrefix}TMP_workflows_tags" SELECT * FROM "${tablePrefix}workflows_tags";`,
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);
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@@ -105,9 +118,7 @@ CREATE TABLE "${tablePrefix}TMP_workflows_tags" ("workflowId" varchar(36) NOT NU
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"data" text NOT NULL, "status" varchar,
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FOREIGN KEY("workflowId") REFERENCES "${tablePrefix}workflow_entity" ("id") ON DELETE CASCADE
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);`);
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await queryRunner.query(
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`INSERT INTO "${tablePrefix}TMP_execution_entity" SELECT * FROM "${tablePrefix}execution_entity";`,
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);
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await copyTable({ tablePrefix, queryRunner }, 'execution_entity', 'TMP_execution_entity');
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await queryRunner.query(`DROP TABLE "${tablePrefix}execution_entity";`);
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await queryRunner.query(
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`ALTER TABLE "${tablePrefix}TMP_execution_entity" RENAME TO "${tablePrefix}execution_entity";`,
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@@ -175,3 +186,44 @@ CREATE TABLE "${tablePrefix}TMP_workflows_tags" ("workflowId" varchar(36) NOT NU
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);
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}
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}
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const DESIRED_DATABASE_FILE_SIZE = 1 * 1024 * 1024 * 1024; // 1 GB
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const migrationsPruningEnabled = process.env.MIGRATIONS_PRUNING_ENABLED === 'true';
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function getSqliteDbFileSize(): number {
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const filename = path.resolve(
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UserSettings.getUserN8nFolderPath(),
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config.getEnv('database.sqlite.database'),
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);
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const { size } = statSync(filename);
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return size;
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}
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const pruneExecutionsData = async ({ queryRunner, tablePrefix }: MigrationContext) => {
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if (migrationsPruningEnabled) {
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const dbFileSize = getSqliteDbFileSize();
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if (dbFileSize < DESIRED_DATABASE_FILE_SIZE) {
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console.log(`DB Size not large enough to prune: ${dbFileSize}`);
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return;
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}
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console.time('pruningData');
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const counting = (await queryRunner.query(
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`select count(id) as rows from "${tablePrefix}execution_entity";`,
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)) as Array<{ rows: number }>;
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const averageExecutionSize = dbFileSize / counting[0].rows;
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const numberOfExecutionsToKeep = Math.floor(DESIRED_DATABASE_FILE_SIZE / averageExecutionSize);
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const query = `SELECT id FROM "${tablePrefix}execution_entity" ORDER BY id DESC limit ${numberOfExecutionsToKeep}, 1`;
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const idToKeep = await queryRunner
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.query(query)
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.then((rows: Array<{ id: number }>) => rows[0].id);
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const removalQuery = `DELETE FROM "${tablePrefix}execution_entity" WHERE id < ${idToKeep} and status IN ('success')`;
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await queryRunner.query(removalQuery);
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console.timeEnd('pruningData');
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} else {
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console.log('Pruning was requested, but was not enabled');
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}
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};
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