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Connect AWS Redshift and Google BigTable in our serverless environment

Use this template to Read rows from AWS Redshift table using them to write rows into Google BigTable.

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Read rows from AWS Redshift table

Used integrations:
class AwsRedshiftSourceSelect {
async init() {
// TODO: Create your aws-redshift credential
// More info at https://yepcode.io/docs/integrations/aws-redshift/#credential-configuration
this.awsRedshift = yepcode.integration.awsRedshift(
"your-aws-redshift-credential-name"
);

// TODO: Customize the command to be executed
// More info at https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-redshift-data/interfaces/executestatementcommandinput.html
const {
Id
} = await this.awsRedshift.send(
new ExecuteStatementCommand({
ClusterIdentifier: "your-cluster-identifier",
Database: "your-database-name",
DbUser: "your-database-user",
Sql: "SELECT * FROM your-table-name;",
})
);
this.statementId = Id;
await this._awaitStatementToFinish();
}

async fetch(publish, done) {
let nextToken;
// if result is returned paginated, iterate to publish entire statement result
do {
const result = await this.awsRedshift.send(
new GetStatementResultCommand({
Id: this.statementId,
NextToken: nextToken,
})
);
nextToken = result.NextToken;
for (const record of result.Records) {
// Each record come as a list of record cells
// More info at https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-redshift-data/interfaces/getstatementresultcommandoutput.html

// TODO: Customize record columns mapping to the item that will be published
const item = {
id: record.id,
...record
};

await publish(item);
}
} while (nextToken);
done();
}

async close() {}

_awaitStatementToFinish() {
return new Promise((resolve, reject) => {
const describeStatementCommand = new DescribeStatementCommand({
Id: this.statementId,
});

// Configure interval to check statement status
const intervalId = setInterval(async () => {
const result = await this.awsRedshift.send(describeStatementCommand);
if (result.Status === "FINISHED") {
clearInterval(intervalId);
resolve();
return;
}

if (result.Status === "FAILED" || result.Status === "ABORTED") {
clearInterval(intervalId);
reject();
return;
}
}, 1000);
});
}
}

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Write rows into Google BigTable

Used integrations:
class GoogleBigtableTargetWriteRow {
async init() {
// TODO: Create your google-bigtable credential
// More info at https://yepcode.io/docs/integrations/google-bigtable/#credential-configuration
const googleBigTable = yepcode.integration.googleBigTable(
"your-google-bigquery-bigtable-name"
);
// TODO: Customize your instance and table names
this.table = await googleBigTable
.instance("your-instance-name")
.table("your-table-name");
}

async consume(item) {
// TODO: Customize the row key, columns names and data
const rowToInsert = {
key: item.key,
data: {
columnX: item.propX,
columnY: item.propY,
},
};
await this.table.insert(rowToInsert);
}

async close() {}
}

Other combinations

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