- Recipes
- Google Storage CSV file to PostgreSQL
Connect Google Storage CSV file and PostgreSQL in our serverless environment
Use this template to Read CSV file entries from Google Storage bucket using them to insert rows into PostgreSQL table.
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Read CSV file entries from Google Storage bucket
Used integrations:
JavaScript
Python
class GoogleStorageSourceReadRemoteCsv {
async init() {
// TODO: Create your google-storage credential
// More info at https://yepcode.io/docs/integrations/google-storage/#credential-configuration
const googleStorage = yepcode.integration.googleStorage(
"your-google-storage-credential-name"
);
// TODO: Customize your bucket name
this.bucket = googleStorage.bucket("your-bucket-name");
}
async fetch(publish, done) {
// TODO: Customize your csv file path to download
await this.bucket
.file("one-folder/my-filename-1653415231696.csv")
.createReadStream()
.pipe(
csv.parse({
delimiter: ",",
columns: true,
})
)
.on("data", publish)
.on("end", done);
}
async close() {}
}
import csv
import io
class GoogleStorageSourceReadRemoteCsv:
def setup(self):
# TODO: Create your Google Storage credential:
# More info at https://yepcode.io/docs/integrations/google-storage/#credential-configuration
self.storage_client = yepcode.integration.googleStorage("your-storage-credential-name")
# TODO: If your csv does no have headers, you can define them here as a list:
# self.fieldnames = ["column1", "column2", "column3"]
self.fieldnames = None
def generator(self):
# TODO: Customize your bucket name and object key
bucket = self.storage_client.get_bucket("bucket_name")
blob = bucket.blob("object_key")
bytes_stream = io.BytesIO()
blob.download_to_file(bytes_stream)
bytes_stream.seek(0)
csv_file_stream = io.TextIOWrapper(bytes_stream, encoding="utf-8")
reader = csv.DictReader(csv_file_stream, delimiter=",", fieldnames=self.fieldnames)
for row in reader:
yield row
def close(self):
pass
Do you need help solving this integration with YepCode?
Let's talkInsert rows into PostgreSQL table
Used integrations:
- JavaScript
- Python
class PostgresTargetInsert {
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 consume(item) {
// TODO: Customize the SQL INSERT statement and map your item to row
await this.postgresPool.query(
"INSERT INTO yourTable(id, name) VALUES($1, $2)",
[item.id, item.name]
);
}
async close() {
await this.postgresPool.end();
}
}
class PostgresTargetInsert:
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 consume(self, generator, done):
connection = self.postgres_pool.getconn()
cursor = connection.cursor()
# TODO: customize the insert query and bind params
# More info at: https://www.psycopg.org/docs/usage.html#query-parameters
for item in generator:
cursor.execute(
'INSERT INTO yourtable("Name","Number") VALUES(%s,%d)',
(item.get("name"), item.get("number")),
)
connection.commit()
done()
def close(self):
pass
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