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| Current File : /var/www/html/ekd/TrendyLanding/node_modules/drizzle-orm/tidb-serverless/session.js |
import { Column } from "../column.js";
import { entityKind, is } from "../entity.js";
import { NoopLogger } from "../logger.js";
import {
MySqlPreparedQuery,
MySqlSession,
MySqlTransaction
} from "../mysql-core/session.js";
import { fillPlaceholders, sql } from "../sql/sql.js";
import { mapResultRow } from "../utils.js";
const executeRawConfig = { fullResult: true };
const queryConfig = { arrayMode: true };
class TiDBServerlessPreparedQuery extends MySqlPreparedQuery {
constructor(client, queryString, params, logger, fields, customResultMapper, generatedIds, returningIds) {
super();
this.client = client;
this.queryString = queryString;
this.params = params;
this.logger = logger;
this.fields = fields;
this.customResultMapper = customResultMapper;
this.generatedIds = generatedIds;
this.returningIds = returningIds;
}
static [entityKind] = "TiDBPreparedQuery";
async execute(placeholderValues = {}) {
const params = fillPlaceholders(this.params, placeholderValues);
this.logger.logQuery(this.queryString, params);
const { fields, client, queryString, joinsNotNullableMap, customResultMapper, returningIds, generatedIds } = this;
if (!fields && !customResultMapper) {
const res = await client.execute(queryString, params, executeRawConfig);
const insertId = res.lastInsertId ?? 0;
const affectedRows = res.rowsAffected ?? 0;
if (returningIds) {
const returningResponse = [];
let j = 0;
for (let i = insertId; i < insertId + affectedRows; i++) {
for (const column of returningIds) {
const key = returningIds[0].path[0];
if (is(column.field, Column)) {
if (column.field.primary && column.field.autoIncrement) {
returningResponse.push({ [key]: i });
}
if (column.field.defaultFn && generatedIds) {
returningResponse.push({ [key]: generatedIds[j][key] });
}
}
}
j++;
}
return returningResponse;
}
return res;
}
const rows = await client.execute(queryString, params, queryConfig);
if (customResultMapper) {
return customResultMapper(rows);
}
return rows.map((row) => mapResultRow(fields, row, joinsNotNullableMap));
}
iterator(_placeholderValues) {
throw new Error("Streaming is not supported by the TiDB Cloud Serverless driver");
}
}
class TiDBServerlessSession extends MySqlSession {
constructor(baseClient, dialect, tx, schema, options = {}) {
super(dialect);
this.baseClient = baseClient;
this.schema = schema;
this.options = options;
this.client = tx ?? baseClient;
this.logger = options.logger ?? new NoopLogger();
}
static [entityKind] = "TiDBServerlessSession";
logger;
client;
prepareQuery(query, fields, customResultMapper, generatedIds, returningIds) {
return new TiDBServerlessPreparedQuery(
this.client,
query.sql,
query.params,
this.logger,
fields,
customResultMapper,
generatedIds,
returningIds
);
}
all(query) {
const querySql = this.dialect.sqlToQuery(query);
this.logger.logQuery(querySql.sql, querySql.params);
return this.client.execute(querySql.sql, querySql.params);
}
async count(sql2) {
const res = await this.execute(sql2);
return Number(
res["rows"][0]["count"]
);
}
async transaction(transaction) {
const nativeTx = await this.baseClient.begin();
try {
const session = new TiDBServerlessSession(this.baseClient, this.dialect, nativeTx, this.schema, this.options);
const tx = new TiDBServerlessTransaction(
this.dialect,
session,
this.schema
);
const result = await transaction(tx);
await nativeTx.commit();
return result;
} catch (err) {
await nativeTx.rollback();
throw err;
}
}
}
class TiDBServerlessTransaction extends MySqlTransaction {
static [entityKind] = "TiDBServerlessTransaction";
constructor(dialect, session, schema, nestedIndex = 0) {
super(dialect, session, schema, nestedIndex, "default");
}
async transaction(transaction) {
const savepointName = `sp${this.nestedIndex + 1}`;
const tx = new TiDBServerlessTransaction(
this.dialect,
this.session,
this.schema,
this.nestedIndex + 1
);
await tx.execute(sql.raw(`savepoint ${savepointName}`));
try {
const result = await transaction(tx);
await tx.execute(sql.raw(`release savepoint ${savepointName}`));
return result;
} catch (err) {
await tx.execute(sql.raw(`rollback to savepoint ${savepointName}`));
throw err;
}
}
}
export {
TiDBServerlessPreparedQuery,
TiDBServerlessSession,
TiDBServerlessTransaction
};
//# sourceMappingURL=session.js.map