Is it normal for drizzle to generate SQLs without "IF NOT EXISTS"?

Hello! New user here. Let's assume we have this simple schema:

import {datetime, mysqlTable, varchar} from "drizzle-orm/mysql-core";

export const userTable = mysqlTable("user", {
    id: varchar("id", {
        length: 255
    }).primaryKey()
});

export const userSessionTable = mysqlTable("user_session", {
    id: varchar("id", {
        length: 255
    }).primaryKey(),
    userId: varchar("user_id", {
        length: 255
    }).notNull(),
    expiresAt: datetime("expires_at").notNull()
});

import {datetime, mysqlTable, varchar} from "drizzle-orm/mysql-core";

export const userTable = mysqlTable("user", {
    id: varchar("id", {
        length: 255
    }).primaryKey()
});

export const userSessionTable = mysqlTable("user_session", {
    id: varchar("id", {
        length: 255
    }).primaryKey(),
    userId: varchar("user_id", {
        length: 255
    }).notNull(),
    expiresAt: datetime("expires_at").notNull()
});

After

drizzle-kit generate:mysql

drizzle-kit generate:mysql

It generates:

CREATE TABLE `user_session` (
    `id` varchar(255) NOT NULL,
    `user_id` varchar(255) NOT NULL,
    `expires_at` datetime NOT NULL,
    CONSTRAINT `user_session_id` PRIMARY KEY(`id`)
);
--> statement-breakpoint
CREATE TABLE `user` (
    `id` varchar(255) NOT NULL,
    CONSTRAINT `user_id` PRIMARY KEY(`id`)
);

CREATE TABLE `user_session` (
    `id` varchar(255) NOT NULL,
    `user_id` varchar(255) NOT NULL,
    `expires_at` datetime NOT NULL,
    CONSTRAINT `user_session_id` PRIMARY KEY(`id`)
);
--> statement-breakpoint
CREATE TABLE `user` (
    `id` varchar(255) NOT NULL,
    CONSTRAINT `user_id` PRIMARY KEY(`id`)
);

Notice that it's generating only

CREATE TABLE

CREATE TABLE

and not

CREATE TABLE IF NOT EXISTS

CREATE TABLE IF NOT EXISTS

Is it by design or am I missing something?

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Is it normal for drizzle to generate SQLs without "IF NOT EXISTS"?