- Recipes
- PostgreSQL to AWS Redshift
Connect PostgreSQL and AWS Redshift in our serverless environment
Use this template to Read rows from PostgreSQL table using them to insert rows into AWS Redshift table.
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Read rows from PostgreSQL table
Used integrations:
JavaScript
Python
class PostgresSourceSelect {
async init() {
// TODO: Create your postgres credential
// More info at https://yepcode.io/docs/integrations/postgres/#credential-configuration
this.postgresPool = yepcode.integration.postgres(
"your-postgres-credential-name"
);
}
async fetch(publish, done) {
// TODO: Customize your sql query
const {
rows
} = await this.postgresPool.query(
"SELECT * FROM your_schema.your_table LIMIT 10"
);
for (const row of rows) {
await publish(row);
}
done();
}
async close() {
await this.postgresPool.end();
}
}
class PostgresSourceSelect:
def setup(self):
# TODO: Create your Postgres credential:
# More info at https://yepcode.io/docs/integrations/postgres/#credential-configuration
self.postgres_pool = yepcode.integration.postgres(
"your-postgres-credential-name"
)
def generator(self):
connection = self.postgres_pool.getconn()
cursor = connection.cursor()
# TODO: customize the query: table name, filter conditions, bind params, etc.
# More info at: https://www.psycopg.org/docs/usage.html#query-parameters
cursor.execute(
"SELECT * FROM your_table WHERE some_field = %s LIMIT 1000;",
("some_field_value",),
)
for item in cursor:
yield item
def close(self):
pass
Do you need help solving this integration with YepCode?
Let's talkInsert rows into AWS Redshift table
Used integrations:
- JavaScript
- Python
class AwsRedshiftTargetInsert {
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"
);
}
async consume(item) {
// TODO: Customize your sql query
const sqlStatement = `INSERT INTO your-table-name VALUES (${item.someProp}, '${item.someStringProp}')`;
// 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
this.awsRedshift.send(
new ExecuteStatementCommand({
ClusterIdentifier: "your-cluster-identifier",
Database: "your-database",
DbUser: "your-db-user",
Sql: sqlStatement,
})
);
}
async close() {}
}
class AwsRedshiftTargetInsert:
def setup(self):
# TODO: Create your Redshift credential:
# More info at https://yepcode.io/docs/integrations/aws-redshift/#credential-configuration
self.aws_redshift_client = yepcode.integration.awsRedshift(
"your-redshift-credential-name"
)
def consume(self, generator, done):
for item in generator:
# TODO: Customize your sql query
sql_statement = f"INSERT INTO your-table-name VALUES ({item.someProp}, '{item.someStringProp}')"
# TODO: Customize cluster id, database name and user
# See all supported params in: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/redshift-data/client/execute_statement.html
self.aws_redshift_client.execute_statement(
ClusterIdentifier="cluster-name",
Database="db-name",
DbUser="db-user",
Sql=sql_statement
)
done()
def close(self):
pass
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