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155
node_modules/unstorage/drivers/db0.cjs
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vendored
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155
node_modules/unstorage/drivers/db0.cjs
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _utils = require("./utils/index.cjs");
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const DRIVER_NAME = "db0";
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const DEFAULT_TABLE_NAME = "unstorage";
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const kExperimentalWarning = "__unstorage_db0_experimental_warning__";
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module.exports = (0, _utils.defineDriver)(opts => {
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opts.tableName = opts.tableName || DEFAULT_TABLE_NAME;
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let setupPromise;
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let setupDone = false;
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const ensureTable = () => {
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if (setupDone) {
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return;
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}
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if (!setupPromise) {
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if (!globalThis[kExperimentalWarning]) {
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console.warn("[unstorage]: Database driver is experimental and behavior may change in the future.");
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globalThis[kExperimentalWarning] = true;
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}
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setupPromise = setupTable(opts).then(() => {
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setupDone = true;
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setupPromise = void 0;
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});
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}
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return setupPromise;
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};
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const isMysql = opts.database.dialect === "mysql";
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return {
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name: DRIVER_NAME,
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options: opts,
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getInstance: () => opts.database,
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async hasItem(key) {
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await ensureTable();
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const {
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rows
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} = isMysql ? await opts.database.sql`SELECT EXISTS (SELECT 1 FROM {${opts.tableName}} WHERE \`key\` = ${key}) AS \`value\`` : await opts.database.sql`SELECT EXISTS (SELECT 1 FROM {${opts.tableName}} WHERE key = ${key}) AS value`;
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return rows?.[0]?.value == "1";
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},
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getItem: async key => {
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await ensureTable();
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const {
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rows
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} = isMysql ? await opts.database.sql`SELECT value FROM {${opts.tableName}} WHERE \`key\` = ${key}` : await opts.database.sql`SELECT value FROM {${opts.tableName}} WHERE key = ${key}`;
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return rows?.[0]?.value ?? null;
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},
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getItemRaw: async key => {
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await ensureTable();
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const {
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rows
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} = isMysql ? await opts.database.sql`SELECT \`blob\` as value FROM {${opts.tableName}} WHERE \`key\` = ${key}` : await opts.database.sql`SELECT blob as value FROM {${opts.tableName}} WHERE key = ${key}`;
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return rows?.[0]?.value ?? null;
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},
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setItem: async (key, value) => {
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await ensureTable();
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if (isMysql) {
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await opts.database.sql`INSERT INTO {${opts.tableName}} (\`key\`, \`value\`, created_at, updated_at) VALUES (${key}, ${value}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) ON DUPLICATE KEY UPDATE value = ${value}, updated_at = CURRENT_TIMESTAMP`;
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} else {
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await opts.database.sql`INSERT INTO {${opts.tableName}} (key, value, created_at, updated_at) VALUES (${key}, ${value}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) ON CONFLICT(key) DO UPDATE SET value = ${value}, updated_at = CURRENT_TIMESTAMP`;
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}
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},
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async setItemRaw(key, value) {
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await ensureTable();
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if (isMysql) {
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const blob = Buffer.from(value);
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await opts.database.sql`INSERT INTO {${opts.tableName}} (\`key\`, \`blob\`, created_at, updated_at) VALUES (${key}, ${blob}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) ON DUPLICATE KEY UPDATE \`blob\` = ${blob}, updated_at = CURRENT_TIMESTAMP`;
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} else {
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await opts.database.sql`INSERT INTO {${opts.tableName}} (key, blob, created_at, updated_at) VALUES (${key}, ${value}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) ON CONFLICT(key) DO UPDATE SET blob = ${value}, updated_at = CURRENT_TIMESTAMP`;
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}
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},
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removeItem: async key => {
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await ensureTable();
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if (isMysql) {
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await opts.database.sql`DELETE FROM {${opts.tableName}} WHERE \`key\`=${key}`;
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} else {
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await opts.database.sql`DELETE FROM {${opts.tableName}} WHERE key=${key}`;
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}
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},
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getMeta: async key => {
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await ensureTable();
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const {
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rows
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} = isMysql ? await opts.database.sql`SELECT created_at, updated_at FROM {${opts.tableName}} WHERE \`key\` = ${key}` : await opts.database.sql`SELECT created_at, updated_at FROM {${opts.tableName}} WHERE key = ${key}`;
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return {
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birthtime: toDate(rows?.[0]?.created_at),
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mtime: toDate(rows?.[0]?.updated_at)
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};
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},
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getKeys: async (base = "") => {
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await ensureTable();
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const {
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rows
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} = isMysql ? await opts.database.sql`SELECT \`key\` FROM {${opts.tableName}} WHERE \`key\` LIKE ${base + "%"}` : await opts.database.sql`SELECT key FROM {${opts.tableName}} WHERE key LIKE ${base + "%"}`;
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return rows?.map(r => r.key);
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},
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clear: async () => {
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await ensureTable();
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await opts.database.sql`DELETE FROM {${opts.tableName}}`;
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}
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};
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});
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async function setupTable(opts) {
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switch (opts.database.dialect) {
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case "sqlite":
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case "libsql":
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{
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await opts.database.sql`
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CREATE TABLE IF NOT EXISTS {${opts.tableName}} (
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key TEXT PRIMARY KEY,
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value TEXT,
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blob BLOB,
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created_at TEXT DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT DEFAULT CURRENT_TIMESTAMP
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);
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`;
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return;
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}
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case "postgresql":
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{
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await opts.database.sql`
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CREATE TABLE IF NOT EXISTS {${opts.tableName}} (
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key VARCHAR(255) NOT NULL PRIMARY KEY,
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value TEXT,
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blob BYTEA,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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`;
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return;
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}
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case "mysql":
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{
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await opts.database.sql`
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CREATE TABLE IF NOT EXISTS {${opts.tableName}} (
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\`key\` VARCHAR(255) NOT NULL PRIMARY KEY,
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\`value\` LONGTEXT,
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\`blob\` BLOB,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
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);
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`;
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return;
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}
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default:
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{
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throw (0, _utils.createError)(DRIVER_NAME, `unsuppoted SQL dialect: ${opts.database.dialect}`);
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}
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}
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}
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function toDate(timestamp) {
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return timestamp ? new Date(timestamp) : void 0;
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}
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