drizzle-orm
Version:
Drizzle ORM package for SQL databases
194 lines • 6.69 kB
JavaScript
import { NoopCache } from "../cache/core/index.js";
import { entityKind } from "../entity.js";
import { NoopLogger } from "../logger.js";
import { fillPlaceholders, sql } from "../sql/sql.js";
import { SQLiteTransaction } from "../sqlite-core/index.js";
import { SQLitePreparedQuery, SQLiteSession } from "../sqlite-core/session.js";
import { mapResultRow } from "../utils.js";
class SQLiteD1Session extends SQLiteSession {
constructor(client, dialect, schema, options = {}) {
super(dialect);
this.client = client;
this.schema = schema;
this.options = options;
this.logger = options.logger ?? new NoopLogger();
this.cache = options.cache ?? new NoopCache();
}
static [entityKind] = "SQLiteD1Session";
logger;
cache;
prepareQuery(query, fields, executeMethod, isResponseInArrayMode, customResultMapper, queryMetadata, cacheConfig) {
const stmt = this.client.prepare(query.sql);
return new D1PreparedQuery(
stmt,
query,
this.logger,
this.cache,
queryMetadata,
cacheConfig,
fields,
executeMethod,
isResponseInArrayMode,
customResultMapper
);
}
async batch(queries) {
const preparedQueries = [];
const builtQueries = [];
for (const query of queries) {
const preparedQuery = query._prepare();
const builtQuery = preparedQuery.getQuery();
preparedQueries.push(preparedQuery);
if (builtQuery.params.length > 0) {
builtQueries.push(preparedQuery.stmt.bind(...builtQuery.params));
} else {
const builtQuery2 = preparedQuery.getQuery();
builtQueries.push(
this.client.prepare(builtQuery2.sql).bind(...builtQuery2.params)
);
}
}
const batchResults = await this.client.batch(builtQueries);
return batchResults.map((result, i) => preparedQueries[i].mapResult(result, true));
}
extractRawAllValueFromBatchResult(result) {
return result.results;
}
extractRawGetValueFromBatchResult(result) {
return result.results[0];
}
extractRawValuesValueFromBatchResult(result) {
return d1ToRawMapping(result.results);
}
async transaction(transaction, config) {
const tx = new D1Transaction("async", this.dialect, this, this.schema);
await this.run(sql.raw(`begin${config?.behavior ? " " + config.behavior : ""}`));
try {
const result = await transaction(tx);
await this.run(sql`commit`);
return result;
} catch (err) {
await this.run(sql`rollback`);
throw err;
}
}
}
class D1Transaction extends SQLiteTransaction {
static [entityKind] = "D1Transaction";
async transaction(transaction) {
const savepointName = `sp${this.nestedIndex}`;
const tx = new D1Transaction("async", this.dialect, this.session, this.schema, this.nestedIndex + 1);
await this.session.run(sql.raw(`savepoint ${savepointName}`));
try {
const result = await transaction(tx);
await this.session.run(sql.raw(`release savepoint ${savepointName}`));
return result;
} catch (err) {
await this.session.run(sql.raw(`rollback to savepoint ${savepointName}`));
throw err;
}
}
}
function d1ToRawMapping(results) {
const rows = [];
for (const row of results) {
const entry = Object.keys(row).map((k) => row[k]);
rows.push(entry);
}
return rows;
}
class D1PreparedQuery extends SQLitePreparedQuery {
constructor(stmt, query, logger, cache, queryMetadata, cacheConfig, fields, executeMethod, _isResponseInArrayMode, customResultMapper) {
super("async", executeMethod, query, cache, queryMetadata, cacheConfig);
this.logger = logger;
this._isResponseInArrayMode = _isResponseInArrayMode;
this.customResultMapper = customResultMapper;
this.fields = fields;
this.stmt = stmt;
}
static [entityKind] = "D1PreparedQuery";
/** @internal */
customResultMapper;
/** @internal */
fields;
/** @internal */
stmt;
async run(placeholderValues) {
const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
this.logger.logQuery(this.query.sql, params);
return await this.queryWithCache(this.query.sql, params, async () => {
return this.stmt.bind(...params).run();
});
}
async all(placeholderValues) {
const { fields, query, logger, stmt, customResultMapper } = this;
if (!fields && !customResultMapper) {
const params = fillPlaceholders(query.params, placeholderValues ?? {});
logger.logQuery(query.sql, params);
return await this.queryWithCache(query.sql, params, async () => {
return stmt.bind(...params).all().then(({ results }) => this.mapAllResult(results));
});
}
const rows = await this.values(placeholderValues);
return this.mapAllResult(rows);
}
mapAllResult(rows, isFromBatch) {
if (isFromBatch) {
rows = d1ToRawMapping(rows.results);
}
if (!this.fields && !this.customResultMapper) {
return rows;
}
if (this.customResultMapper) {
return this.customResultMapper(rows);
}
return rows.map((row) => mapResultRow(this.fields, row, this.joinsNotNullableMap));
}
async get(placeholderValues) {
const { fields, joinsNotNullableMap, query, logger, stmt, customResultMapper } = this;
if (!fields && !customResultMapper) {
const params = fillPlaceholders(query.params, placeholderValues ?? {});
logger.logQuery(query.sql, params);
return await this.queryWithCache(query.sql, params, async () => {
return stmt.bind(...params).all().then(({ results }) => results[0]);
});
}
const rows = await this.values(placeholderValues);
if (!rows[0]) {
return void 0;
}
if (customResultMapper) {
return customResultMapper(rows);
}
return mapResultRow(fields, rows[0], joinsNotNullableMap);
}
mapGetResult(result, isFromBatch) {
if (isFromBatch) {
result = d1ToRawMapping(result.results)[0];
}
if (!this.fields && !this.customResultMapper) {
return result;
}
if (this.customResultMapper) {
return this.customResultMapper([result]);
}
return mapResultRow(this.fields, result, this.joinsNotNullableMap);
}
async values(placeholderValues) {
const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
this.logger.logQuery(this.query.sql, params);
return await this.queryWithCache(this.query.sql, params, async () => {
return this.stmt.bind(...params).raw();
});
}
/** @internal */
isResponseInArrayMode() {
return this._isResponseInArrayMode;
}
}
export {
D1PreparedQuery,
D1Transaction,
SQLiteD1Session
};
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