- Recipes
- AWS Redshift to AWS DynamoDB
Connect AWS Redshift and AWS DynamoDB in our serverless environment
Use this template to Read rows from AWS Redshift table using them to insert items into AWS DynamoDB table.
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Read rows from AWS Redshift table
Used integrations:
JavaScript
Python
class AwsRedshiftSourceSelect {
async init() {
// More info at https://www.npmjs.com/package/@aws-sdk/client-redshift-data
// TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
this.awsRedshift = new RedshiftDataClient({
region: yepcode.env.AWS_REGION,
credentials: {
accessKeyId: yepcode.env.AWS_ACCESS_KEY_ID,
secretAccessKey: yepcode.env.AWS_SECRET_ACCESS_KEY,
},
});
// 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);
});
}
}
import time
import boto3
class AwsRedshiftSourceSelect:
def setup(self):
# More info at https://boto3.amazonaws.com/v1/documentation/api/latest/index.html
# TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
self.aws_redshift_client = boto3.client(
'redshift-data',
aws_access_key_id=yepcode.env.AWS_ACCESS_KEY_ID,
aws_secret_access_key=yepcode.env.AWS_SECRET_ACCESS_KEY,
region_name=yepcode.env.AWS_REGION
)
# TODO: Customize your cluster id, database name, user and sql query
response = self.aws_redshift_client.execute_statement(
ClusterIdentifier="cluster-name",
Database="db-name",
DbUser="db-user",
Sql="SELECT * FROM your-table-name"
)
self.statement_id = response.get("Id")
self._await_statement_to_finish()
def generator(self):
# See all supported params in: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/redshift-data/client/execute_statement.html
response = self.aws_redshift_client.get_statement_result(Id=self.statement_id)
for record in response.get("Records", []):
yield record
def _await_statement_to_finish(self):
while True:
response = self.aws_redshift_client.describe_statement(
Id=self.statement_id
)
status = response["Status"]
if status == "FINISHED":
return
if status in ("FAILED", "ABORTED"):
raise Exception(f"Statement failed with status: {status}")
time.sleep(1)
def close(self):
pass
Do you need help solving this integration with YepCode?
Let's talkInsert items into AWS DynamoDB table
Used integrations:
- JavaScript
- Python
class AwsDynamodbTargetPut {
async init() {
// More info at https://www.npmjs.com/package/@aws-sdk/client-dynamodb
// TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
this.awsDynamodb = new DynamoDBClient({
region: yepcode.env.AWS_REGION,
credentials: {
accessKeyId: yepcode.env.AWS_ACCESS_KEY_ID,
secretAccessKey: yepcode.env.AWS_SECRET_ACCESS_KEY,
},
});
}
async consume(item) {
// TODO: Customize the command to be executed
// More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-dynamodb/interfaces/putitemcommandinput.html
const putItemCommand = new PutItemCommand({
TableName: "table-name",
Item: {
"table-primary-key-name": {
S: item.id
},
email: {
S: item.email
},
age: {
N: item.age
},
// etc
},
});
await this.awsDynamodb.send(putItemCommand);
}
async close() {}
}
import boto3
class AwsDynamodbTargetPut:
def setup(self):
# More info at https://boto3.amazonaws.com/v1/documentation/api/latest/index.html
# TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
self.aws_dynamodb_client = boto3.client(
'dynamodb',
aws_access_key_id=yepcode.env.AWS_ACCESS_KEY_ID,
aws_secret_access_key=yepcode.env.AWS_SECRET_ACCESS_KEY,
region_name=yepcode.env.AWS_REGION
)
def consume(self, generator, done):
# TODO: Customize table name and item to insert
# See all supported params in: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb/client/put_item.html
for item in generator:
item_to_insert = {
"table-primary-key-name": {"S": item["id"]},
"email": {"S": item["email"]},
"age": {"N": item["age"]},
}
self.aws_dynamodb_client.put_item(TableName="table-name", Item=item_to_insert)
done()
def close(self):
pass
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