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Title: Writing a UDTF in Python | Snowflake Documentation

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Function or procedure?https://docs.snowflake.com/en/developer-guide/stored-procedures-vs-udfs
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Stored procedureshttps://docs.snowflake.com/en/developer-guide/stored-procedure/stored-procedures-overview
User-defined functionshttps://docs.snowflake.com/en/developer-guide/udf/udf-overview
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Creatinghttps://docs.snowflake.com/en/developer-guide/udf/udf-creating-sql
Executinghttps://docs.snowflake.com/en/developer-guide/udf/udf-calling-sql
Viewing in Snowsighthttps://docs.snowflake.com/en/user-guide/ui-snowsight-data-databases-function
Javahttps://docs.snowflake.com/en/developer-guide/udf/java/udf-java-introduction
Javascripthttps://docs.snowflake.com/en/developer-guide/udf/javascript/udf-javascript-introduction
Pythonhttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-introduction
Limitationshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-limitations
Designinghttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-designing
Creatinghttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-creating
Table functionshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-tabular-functions
Vectorized UDFshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-batch
Vectorized UDTFshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-tabular-vectorized
Aggregate functionshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-aggregate-functions
Using third-party packageshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-packages
Packages policieshttps://docs.snowflake.com/en/developer-guide/udf/python/packages-policy
Exampleshttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-examples
Profiling UDF handlershttps://docs.snowflake.com/en/developer-guide/udf/python/profiling-udf-handlers
Troubleshootinghttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-troubleshooting
Scalahttps://docs.snowflake.com/en/developer-guide/udf/scala/udf-scala-introduction
SQLhttps://docs.snowflake.com/en/developer-guide/udf/sql/udf-sql-introduction
Packaging handler codehttps://docs.snowflake.com/en/developer-guide/udf-stored-procedure-building
External network accesshttps://docs.snowflake.com/en/developer-guide/external-network-access/external-network-access-overview
Logging, Tracing, and Metricshttps://docs.snowflake.com/en/developer-guide/logging-tracing/logging-tracing-overview
Snowflake Python APIshttps://docs.snowflake.com/en/developer-guide/snowflake-python-api/snowflake-python-overview
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About Streamlit in Snowflakehttps://docs.snowflake.com/en/developer-guide/streamlit/about-streamlit
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Understanding owner's rightshttps://docs.snowflake.com/en/developer-guide/streamlit/object-management/owners-rights
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Delete your apphttps://docs.snowflake.com/en/developer-guide/streamlit/app-development/deleting-your-app
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Identify your app typehttps://docs.snowflake.com/en/developer-guide/streamlit/migrations-and-upgrades/overview
Migrate to a container runtimehttps://docs.snowflake.com/en/developer-guide/streamlit/migrations-and-upgrades/runtime-migration
Migrate from ROOT_LOCATIONhttps://docs.snowflake.com/en/developer-guide/streamlit/migrations-and-upgrades/root-location
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Streamlit in Snowflake in Workspaceshttps://docs.snowflake.com/en/developer-guide/streamlit/streamlit-in-workspaces/streamlit-in-workspaces-overview
Limitations and library changeshttps://docs.snowflake.com/en/developer-guide/streamlit/limitations
Troubleshooting Streamlit in Snowflakehttps://docs.snowflake.com/en/developer-guide/streamlit/troubleshooting
Streamlit open-source library documentationhttps://docs.streamlit.io/
Snowflake App Runtimehttps://docs.snowflake.com/en/developer-guide/snowflake-app-runtime/about-snowflake-app-runtime
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Snowflake Native SDK for Connectorshttps://docs.snowflake.com/en/developer-guide/native-apps/connector-sdk/about-connector-sdk
External Functionshttps://docs.snowflake.com/en/sql-reference/external-functions
Kafka and Spark Connectorshttps://docs.snowflake.com/en/user-guide/connectors
Snowflake Scripting Developer Guidehttps://docs.snowflake.com/en/developer-guide/snowflake-scripting
Snowflake CLIhttps://docs.snowflake.com/en/developer-guide/snowflake-cli
Githttps://docs.snowflake.com/en/developer-guide/git/git-overview
Overviewhttps://docs.snowflake.com/en/developer-guide/drivers
Considerations when drivers reuse sessionshttps://docs.snowflake.com/en/developer-guide/driver-connections
Scala versionshttps://docs.snowflake.com/en/developer-guide/scala-version-differences
API Referencehttps://docs.snowflake.com/en/api-reference
Developerhttps://docs.snowflake.com/en/developer
Functions and procedureshttps://docs.snowflake.com/en/developer-guide/extensibility
User-defined functionshttps://docs.snowflake.com/en/developer-guide/udf/udf-overview
Pythonhttps://docs.snowflake.com/en/developer-guide/udf/python/udf-python-introduction
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#writing-a-udtf-in-python
table functionhttps://docs.snowflake.com/sql-reference/functions-table
Creating Python UDFshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-creating
User-defined functions overviewhttps://docs.snowflake.com/developer-guide/udf/udf-overview
Processing rowshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-process-method
Processing partitionshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-processing-partitions
Implementing a handlerhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-create-handler
Creating the UDTF withhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-create-function
Executing a UDFhttps://docs.snowflake.com/developer-guide/udf/udf-calling-sql
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#implementing-a-handler
Handler class examplehttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-handler-class-example
Creating the UDTF withhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-create-function
Initializing the handlerhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-initializing
Defining a methodhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-declaring-process
Finalizing partition processinghttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-finalizing
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#handler-class-example
Executing a UDFhttps://docs.snowflake.com/developer-guide/udf/udf-calling-sql
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#initializing-the-handler
Processing partitionshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-processing-partitions
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#processing-rows
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#defining-a-process-method
SQL-Python Data Type Mappingshttps://docs.snowflake.com/developer-guide/udf-stored-procedure-data-type-mapping#label-sql-python-data-type-mappings
Returning a valuehttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-returning-value
SQL-Python Data Type Mappingshttps://docs.snowflake.com/developer-guide/udf-stored-procedure-data-type-mapping#label-sql-python-data-type-mappings
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#returning-a-value
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#skipping-rows
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#stateful-and-stateless-processing
Processing partitionshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-processing-partitions
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#processing-partitions
Table functions and partitionshttps://docs.snowflake.com/developer-guide/udf/udf-calling-sql#label-udf-java-partitions
Stateful and stateless processinghttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-processing-input
Initializing the handlerhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-initializing
Processing rowshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-process-method
Finalizing partition processinghttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-finalizing
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#finalizing-partition-processing
Processing partitionshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-processing-partitions
Snowflake Supporthttps://docs.snowflake.com/user-guide/contacting-support
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#partition-handling-example
Handler class examplehttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#label-udtf-python-handler-class-example
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#examples
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#using-an-imported-package
Using third-party packageshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-packages
Creating Python UDFshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-creating
NumPy (Numerical Python)https://numpy.org/doc/stable/reference/index.html
Executing a UDFhttps://docs.snowflake.com/developer-guide/udf/udf-calling-sql
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#running-concurrent-tasks-with-worker-processes
Python Global Interpreter Lockhttps://wiki.python.org/moin/GlobalInterpreterLock
https://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#creating-the-udtf-with-create-function
CREATE FUNCTIONhttps://docs.snowflake.com/sql-reference/sql/create-function
Creating Python UDFshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-creating
Using third-party packageshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-packages
Creating Python UDFshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-creating
UDFs with in-line code vs. UDFs with code uploaded from a stagehttps://docs.snowflake.com/developer-guide/udf/python/udf-python-creating#label-udf-python-in-line-vs-pre-compiled
Visit Snowflakehttps://www.snowflake.com
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Implementing a handlerhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#implementing-a-handler
Exampleshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#examples
Creating the UDTF with CREATE FUNCTIONhttps://docs.snowflake.com/developer-guide/udf/python/udf-python-tabular-functions#creating-the-udtf-with-create-function
User-defined functions overviewhttps://docs.snowflake.com/developer-guide/udf/udf-overview
Introduction to Python UDFshttps://docs.snowflake.com/developer-guide/udf/python/udf-python-introduction
Table functionshttps://docs.snowflake.com/sql-reference/functions-table
CREATE FUNCTIONhttps://docs.snowflake.com/sql-reference/sql/create-function
Executing a UDFhttps://docs.snowflake.com/developer-guide/udf/udf-calling-sql

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