173 lines
5.5 KiB
JavaScript
173 lines
5.5 KiB
JavaScript
import {
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Pool,
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types
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} from "@neondatabase/serverless";
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import { entityKind } from "../entity.js";
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import { NoopLogger } from "../logger.js";
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import { PgTransaction } from "../pg-core/index.js";
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import { PgPreparedQuery, PgSession } from "../pg-core/session.js";
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import { fillPlaceholders, sql } from "../sql/sql.js";
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import { mapResultRow } from "../utils.js";
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class NeonPreparedQuery extends PgPreparedQuery {
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constructor(client, queryString, params, logger, fields, name, _isResponseInArrayMode, customResultMapper) {
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super({ sql: queryString, params });
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this.client = client;
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this.params = params;
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this.logger = logger;
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this.fields = fields;
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this._isResponseInArrayMode = _isResponseInArrayMode;
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this.customResultMapper = customResultMapper;
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this.rawQueryConfig = {
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name,
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text: queryString,
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types: {
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// @ts-ignore
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getTypeParser: (typeId, format) => {
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if (typeId === types.builtins.TIMESTAMPTZ) {
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return (val) => val;
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}
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if (typeId === types.builtins.TIMESTAMP) {
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return (val) => val;
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}
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if (typeId === types.builtins.DATE) {
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return (val) => val;
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}
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if (typeId === types.builtins.INTERVAL) {
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return (val) => val;
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}
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return types.getTypeParser(typeId, format);
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}
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}
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};
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this.queryConfig = {
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name,
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text: queryString,
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rowMode: "array",
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types: {
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// @ts-ignore
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getTypeParser: (typeId, format) => {
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if (typeId === types.builtins.TIMESTAMPTZ) {
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return (val) => val;
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}
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if (typeId === types.builtins.TIMESTAMP) {
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return (val) => val;
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}
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if (typeId === types.builtins.DATE) {
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return (val) => val;
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}
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if (typeId === types.builtins.INTERVAL) {
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return (val) => val;
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}
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return types.getTypeParser(typeId, format);
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}
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}
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};
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}
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static [entityKind] = "NeonPreparedQuery";
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rawQueryConfig;
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queryConfig;
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async execute(placeholderValues = {}) {
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const params = fillPlaceholders(this.params, placeholderValues);
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this.logger.logQuery(this.rawQueryConfig.text, params);
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const { fields, client, rawQueryConfig: rawQuery, queryConfig: query, joinsNotNullableMap, customResultMapper } = this;
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if (!fields && !customResultMapper) {
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return client.query(rawQuery, params);
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}
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const result = await client.query(query, params);
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return customResultMapper ? customResultMapper(result.rows) : result.rows.map((row) => mapResultRow(fields, row, joinsNotNullableMap));
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}
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all(placeholderValues = {}) {
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const params = fillPlaceholders(this.params, placeholderValues);
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this.logger.logQuery(this.rawQueryConfig.text, params);
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return this.client.query(this.rawQueryConfig, params).then((result) => result.rows);
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}
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values(placeholderValues = {}) {
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const params = fillPlaceholders(this.params, placeholderValues);
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this.logger.logQuery(this.rawQueryConfig.text, params);
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return this.client.query(this.queryConfig, params).then((result) => result.rows);
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}
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/** @internal */
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isResponseInArrayMode() {
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return this._isResponseInArrayMode;
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}
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}
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class NeonSession extends PgSession {
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constructor(client, dialect, schema, options = {}) {
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super(dialect);
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this.client = client;
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this.schema = schema;
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this.options = options;
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this.logger = options.logger ?? new NoopLogger();
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}
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static [entityKind] = "NeonSession";
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logger;
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prepareQuery(query, fields, name, isResponseInArrayMode, customResultMapper) {
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return new NeonPreparedQuery(
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this.client,
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query.sql,
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query.params,
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this.logger,
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fields,
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name,
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isResponseInArrayMode,
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customResultMapper
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);
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}
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async query(query, params) {
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this.logger.logQuery(query, params);
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const result = await this.client.query({
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rowMode: "array",
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text: query,
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values: params
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});
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return result;
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}
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async queryObjects(query, params) {
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return this.client.query(query, params);
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}
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async count(sql2) {
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const res = await this.execute(sql2);
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return Number(
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res["rows"][0]["count"]
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);
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}
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async transaction(transaction, config = {}) {
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const session = this.client instanceof Pool ? new NeonSession(await this.client.connect(), this.dialect, this.schema, this.options) : this;
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const tx = new NeonTransaction(this.dialect, session, this.schema);
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await tx.execute(sql`begin ${tx.getTransactionConfigSQL(config)}`);
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try {
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const result = await transaction(tx);
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await tx.execute(sql`commit`);
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return result;
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} catch (error) {
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await tx.execute(sql`rollback`);
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throw error;
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} finally {
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if (this.client instanceof Pool) {
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session.client.release();
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}
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}
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}
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}
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class NeonTransaction extends PgTransaction {
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static [entityKind] = "NeonTransaction";
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async transaction(transaction) {
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const savepointName = `sp${this.nestedIndex + 1}`;
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const tx = new NeonTransaction(this.dialect, this.session, this.schema, this.nestedIndex + 1);
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await tx.execute(sql.raw(`savepoint ${savepointName}`));
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try {
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const result = await transaction(tx);
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await tx.execute(sql.raw(`release savepoint ${savepointName}`));
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return result;
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} catch (e) {
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await tx.execute(sql.raw(`rollback to savepoint ${savepointName}`));
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throw e;
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}
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}
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}
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export {
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NeonPreparedQuery,
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NeonSession,
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NeonTransaction
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};
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//# sourceMappingURL=session.js.map
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