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Snowflake CLI

Snowflake CLI is next gen command line utility to interact with Snowflake.

Note

All commands has --help option
All command allows output format to be table(default) or json.

Install

pip install -U snowflake-cli-labs

or

pipx install snowflake-cli-labs

Get Help

snow --help

Information

General information about version of CLI and Python, default configuration path etc.,

snow  --info

Tip

The connection configuration config.toml by default is stored under$HOME/.snowflake. If you wish to change it set the environment variable $SNOWFLAKE_HOME¹ to director where you want to store the config.toml

Connection

Add

snow connection add

Adding connection cheatsheets following the prompts,

snow connection add

Adding connection using command options,

snow connection add --connection-name cheatsheets \
  --account <your-account-identifier> \
  --user <your-user> \
  --password <your-password>

Note

Currently need to follow the prompts for the defaults or add other parameters

List

snow connection list

Set Default

snow connection set-default cheatsheets

Test a Connection

snow connection test -c cheatsheets

Tip

If you don't specify -c, then it test with default connection that was set in the config

Cortex

Supported LLMs²

Large
- reka-core
- llama3-70b
- mistral-large
Medium
- snowflake-arctic(default)
- reka-flash
- mixtral-8x7b
- llama2-70b-chat
Small
- llama3-8b
- mistral-7b
- gemma-7b

Complete

Generate a response for a given prompt,

snow cortex complete "Tell me about Snowflake"

With a specific supported LLM,

snow cortex complete "Tell me about Snowflake" --model=mistral-7b

With history,

snow cortex complete --file samples/datacloud.json

Extract Answer

Get answer for the question from a text,

snow cortex extract-answer 'what does snowpark do ?' 'Snowpark provides a set of libraries and runtimes in Snowflake to securely deploy and process non-SQL code, including Python, Java and Scala.'

Get answers for the questions from a text file,

snow cortex extract-answer 'What does Snowflake eliminate?'  --file samples/answers.txt

snow cortex extract-answer 'What non-SQL code Snowpark process?'  --file samples/answers.txt

Sentiment

Sentiment Score	Sentiment
1	Positive
-1	Negative

A positive sentiment (score: 0.64) from a text,

snow cortex sentiment 'Snowflake is a awesome company to work.'

A negative sentiment ( approx score -0.4 ) from a text,

snow cortex sentiment --file samples/sentiment.txt

Summarize

From a text,

snow cortex summarize 'SnowCLI is next gen command line utility to interact with Snowflake. It supports manipulating lot of Snowflake objects from command line.'

From a file,

snow cortex summarize --file samples/asl_v2.txt

Translate

Currently supported languages

English(en)
French(fr)
German(de)
Polish(pl)
Japanese(ja)
Korean(ko)
Italian(it)
Portuguese(pt)
Spanish(es)
Swedish(sv)
Russian(ru)

Translate from English to French a text,

snow cortex translate --from en --to fr 'snowflake is an awesome company to work for.'

Translate from English to Spanish a text from a file,

snow cortex translate --from en --to es --file samples/translate.txt

Work with Snowflake Objects using SQL

Creating Objects

Simple one line query,

snow sql -q 'CREATE DATABASE FOO'

Loading DDL/DML commands from a file,

snow sql --filename my_objects.sql

Using Standard Input(stdin)

cat <<EOF | snow sql --stdin
CREATE OR REPLACE DATABASE FOO;
USE DATABASE FOO;
CREATE OR REPLACE SCHEMA CLI;
USE SCHEMA CLI;
CREATE OR ALTER TABLE employees(
  id int,
  first_name string,
  last_name string,
  dept int
);
EOF

Listing Objects

Use the following command to see the list of supported objects,

snow object list --help

Warehouses

List all available warehouses for the current role,

snow object list warehouse

Databases

List all available databases for the current role,

snow object list database

List all databases in JSON format,

snow object list database --format json

Tip

With JSON you can extract values using tools like jq e.g. to get only names of the databases

 snow object list database --format json | jq '.[].name'

List databases that starts with snow,

snow object list database --like '%snow%'

Schemas

List all schemas,

snow object list schema

Filtering schemas by database named foo,

snow object list schema --in database foo

Tables

List all tables

snow object list table

List tables in a specific schema cli of a database foo,

snow object list table --database foo --in schema cli

Describe an Object

Let us describe the table employees in the foo database' schema cli,

snow object describe table employees --database foo --schema cli

Drop an object

Drop an table named employees in schema cli of database foo,

snow object drop table employees --database foo --schema cli

Streamlit Applications

Create a Streamlit application and deploy to Snowflake,

snow streamlit init streamlit_app

Create a warehouse that the Streamlit application will use,

snow sql -q 'CREATE WAREHOUSE my_streamlit_warehouse'

Create a database that the Streamlit application will use,

snow sql -q 'CREATE DATABASE my_streamlit_app'

Deploy an Application

Important

Ensure you are in the Streamlit application folder before running the command.

snow streamlit deploy --database=my_streamlit_app

List Applications

List all available streamlit applications,

snow streamlit list

Describe Application

Get details about a streamlit application streamlit_app in schema of public of databasemy_streamlit_app,

snow streamlit describe streamlit_app --schema=public --database=my_streamlit_app

Note

When describing Streamlit application either provide the schema as parameter or use fully qualified name

Get Application URL

Get the streamlit application URL i.e. the URL used to access the hosted application,

snow streamlit get-url streamlit_app --database=my_streamlit_app

Drop Application

Drop a streamlit application named streamlit_app in schema of public of databasemy_streamlit_app,

snow streamlit drop streamlit_app --schema=public --database=my_streamlit_app

Stages

SnowCLI allows managing the internal stages.

Create

Create a stage named cli_stage in schema cli of database foo,

snow stage create cli_stage  --schema=cli --database=foo

Describe

Get details of stage,

snow stage describe cli_stage  --schema=cli --database=foo

List Stages

List all available stages,

snow stage list

List stages in specific to a database named foo,

snow stage list --in database foo

List stages by name that starts with cli in database foo,

snow stage list --like 'cli%' --in database foo

Copy Files

Download employees.csv,

curl -sSL -o employees.csv https://raw.githubusercontent.com/Snowflake-Labs/sf-cheatsheets/main/samples/employees.csv

Copy employees.csv to stage cli_stage to a path /data,

snow stage copy employees.csv '@cli_stage/data'  --schema=cli --database=foo

List Files in Stage

List all files in stage cli_stage in schema cli of database foo,

snow stage list-files cli_stage  --schema=cli --database=foo

List files by pattern,

snow stage list-files cli_stage --pattern='.*[.]csv' --schema=cli --database=foo

Execute Files From Stage

Download the load_employees.sql,

curl -sSL -o load_employees.sql https://raw.githubusercontent.com/Snowflake-Labs/sf-cheatsheets/main/samples/load_employees.sql

Copy load_employees.sql to stage cli_stage at path /sql,

snow stage copy load_employees.sql '@cli_stage/sql'  --schema=cli --database=foo

Execute the SQL³ from stage,

snow stage execute '@cli_stage/sql/load_employees.sql'  --schema=cli --database=foo

Note

Execute takes the glob pattern, allowing to specify the file pattern to execute. @stage/* or @stage/*.sql both executes only sql files

Query all employees to make sure the load worked,

snow sql --schema=cli --database=foo -q 'SELECT * FROM EMPLOYEES'

Download variables.sql,

curl -sSL -o variables.sql https://raw.githubusercontent.com/Snowflake-Labs/sf-cheatsheets/main/samples/variables.sql

Copy the variables.sql to stage,

snow stage copy  variables.sql '@cli_stage/sql' --schema=cli --database=foo

Execute files from stage with values for template variables({{.dept}} in variables.sql),

snow stage execute '@cli_stage/sql/variables.sql' --variable="dept=1"  --schema=cli --database=foo

Executing variables.sql would have created a view named EMPLOYEE_DEPT_VIEW, list the view it to see the variables replaced,

snow object list view --like 'emp%' --database=foo --schema=cli

Note

SnowCLI allows processing templating using {{...}} and &{...}

{{...}} is a preferred templating i.g Jinja templating for server side processing
&{...} is a preferred templating for client side processing
All client side context variables can be accessed using &{ctx.env.<var>} e.g. &{ctx.env.USER} returns the current OS user

Remove File(s) from Stage

Remove all files from stage cli_stage on path /data

snow stage remove cli_stage 'data/'  --schema=cli --database=foo

Native Apps

Create App

Create a Snowflake Native App my_first_app in current working directory,

snow app init my_first_app

Create a Snowflake Native App in directory my_first_app

snow app init --name 'my-first-app' my_first_app

Note

Since the name becomes a part of the application URL its recommended to have URL safe names

Create a Snowflake Native App with Streamlit Python template⁴

snow app init my_first_app --template streamlit-python

Note

You can also create your Snowflake Native App template and use --template-repo instead, to scaffold your Native App using your template.

Run App

From the application directory i.e. cd my_first_app

snow app run

Version App

![IMPORTANT] The version name should be valid SQL identifier i.e. no dots, no dashes and start with a character usually version labels use v.

Create Version

Create a development version named dev,

snow app version create

Create a development version named v1_0,

snow app version create v1_0

List available versions

snow app version list

Drop a Version

snow app version drop v1_0

Deploy a Version

Deploy a particular version of an application,

snow app run --version=v1_0

Deploy a particular version and patch,

snow app run --version=v1_0 --patch=1

Note

Version patches are automatically incremented when creating version with same name

Open App

Open the application on a browser,

snow app open

Deploy

Synchronize the local application file changes with stage and don't create/update the running application,

snow app deploy

Delete App

snow app teardown

If the application has version associated then drop the version,

snow app version drop

And then drop the application

snow app teardown

Drop application and its associated database objects,

snow app teardown --cascade

References

Accelerate Development and Productivity with DevOps in Snowflake

Quickstarts

Snowflake Developers::Quickstart
Snowflake Developers::Getting Started With Snowflake CLI
Build Rag Based Equipment Maintenance App Using Snowflake Cortex
Build a Retrieval Augmented Generation (RAG) based LLM assistant using Streamlit and Snowflake Cortex

Documentation

Snowflake CLI
Execute Immediate Jinja Templating
Snowpark Native App Framework
Snowflake Cortex LLM Functions

Tutorials

Snowflake Native App Tutorial

Footnotes

https://docs.snowflake.com/developer-guide/snowflake-cli-v2/connecting/specify-credentials#how-to-use-environment-variables-for-snowflake-credentials ↩
https://docs.snowflake.com/en/user-guide/snowflake-cortex/llm-functions#choosing-a-model ↩
https://docs.snowflake.com/en/sql-reference/sql/execute-immediate ↩
https://github.com/snowflakedb/native-apps-templates ↩

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