awsmatrix/services/athena.js
2025-01-10 04:27:56 +05:30

65 lines
2.4 KiB
JavaScript

import { AthenaClient, StartQueryExecutionCommand, GetQueryExecutionCommand, GetQueryResultsCommand } from "@aws-sdk/client-athena";
const athenaClient = new AthenaClient({ region: process.env.AWS_REGION, profile: 'default' });
const executionTimeout = 1000;
const productQuery = `SELECT DISTINCT
line_item_resource_id AS resourceId,
line_item_product_code AS productCode,
line_item_usage_account_id AS accountId
FROM ${process.env.ATHENA_CU_TABLE};`;
export const executeQueryAsync = async (sqlQuery) => {
const startQueryCommand = new StartQueryExecutionCommand({
QueryString: sqlQuery,
QueryExecutionContext: { Database: process.env.ATHENA_CU_DATABASE },
ResultConfiguration: { OutputLocation: process.env.ATHENA_OUTPUT_S3_BUCKET },
});
const startQueryResponse = await athenaClient.send(startQueryCommand);
const queryExecutionId = startQueryResponse.QueryExecutionId;
let queryExecutionStatus;
do {
const getQueryExecutionCommand = new GetQueryExecutionCommand({
QueryExecutionId: queryExecutionId,
});
const queryExecutionResponse = await athenaClient.send(getQueryExecutionCommand);
queryExecutionStatus = queryExecutionResponse.QueryExecution.Status.State;
if (queryExecutionStatus === "FAILED") {
console.error(`Query Failed: ${JSON.stringify(queryExecutionResponse)}`);
break;
}
await new Promise((resolve) => setTimeout(resolve, executionTimeout));
} while (queryExecutionStatus !== "SUCCEEDED");
return queryExecutionId;
}
export const retrieveResultsAsync = async (queryExecutionId) => {
const getQueryResultsCommand = new GetQueryResultsCommand({
QueryExecutionId: queryExecutionId,
});
const result = await athenaClient.send(getQueryResultsCommand);
if (!result || !result.ResultSet || !result.ResultSet.Rows) {
throw new Error('No results');
}
let rows = result.ResultSet.Rows;
if (0 == rows.length || 1 == rows.length) {
throw new Error('No result data');
}
const columnNames = rows[0].Data.map(item => item.VarCharValue);
const items = [];
rows.slice(1).forEach(cells => {
const item = {};
for (let i = 0; i < cells.Data.length; i++) {
item[columnNames[i]] = cells.Data[i].VarCharValue;
}
items.push(item);
});
return items;
};