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Changelog

The LocalStack for Snowflake changelog tracks updates to LocalStack’s Snowflake support, including new features, enhancements, and compatibility fixes. Stay up to date on changes across official versioned releases of LocalStack’s Snowflake support.

1.1.0

Section titled “1.1.0”
  • Add support for functions: ROUND, SYSDATE, STARTSWITH, ENDSWITH, MD5, SUBSTR, HAVERSINE, LAST_DAY, TRY_CAST, TRUNCATE, PERCENT_RANK, SYSTEM$TASK_DEPENDENTS_ENABLE
  • Implement TRY_* conversion functions
  • Add number formatting parameter to TO_DOUBLE and TO_DECIMAL
  • Add initial support for data metric functions (DMFs)
  • Add SF_AWS_ENDPOINT_URL config var to make AWS endpoint configurable
  • TIME and TIMESTAMP processing improvements
  • Add initial CRUD support for compute pools
  • Add support for OR REPLACE on CREATE STREAM statements
  • Add support for IF NOT EXISTS on CREATE TASK statements
  • Enhance GROUP BY over aggregate columns
  • Add initial CRUD support for security integrations
  • Handle if exists when dropping tags
  • Enhance account name handling
  • Add timezone, fractional seconds formatting to TO_CHAR
  • Enhance parity for sorting VARIANT-encoded values
  • Add initial support for streams on CHANGE_TRACKING tables
  • Enhance parity for subqueries with column aliases
  • Add support for dict bindings with named query parameters
  • Boost performance of multi-statement queries
  • Implement support for more database endpoints in REST API
  • Fix encoding of numeric NaN
  • Enhance storage integration statements
  • Added support for IN clause in SHOW INDEXES queries
  • Enhance parity for result encoding of async queries
  • Add support for using on_error=continue used in COPY INTO statements
  • Add LIMIT support for SHOW DATABASES
  • Enhance parity for type casts on results returned from FLATTEN
  • Enhance parsing of nested variable assignments

1.0.1

Section titled “1.0.1”
  • Implementation and migration to the new type system
  • Enhance persistence support for storing/reloading native apps
  • Add support for cross-db CTAS and CVAS statements
  • Enhance support for ALTER DATABASE statements
  • Add initial support for COLLATE table columns
  • Add support for DESCRIBE SCHEMA
  • Enhance support for ALTER SCHEMA queries
  • Add support for suspending tasks
  • Add initial support for table change tracking
  • Implement CONCAT function
  • Miscellaneous fixes for Streamlit apps
  • Add support for secure functions
  • Add exception handler for REST API
  • Fix TO_DATE for JSON object attributes
  • Enhance parity for managing Users and Roles
  • Implement LOWER and UPPER functions
  • Fix DROP TABLE query
  • Add initial support for GRANT OWNERSHIP statements
  • Enhance CRUD support for ROW ACCESS POLICIES
  • Support temporary views and dropping temp objects at session end
  • Enahance parity for CREATE and DROP ROLE
  • Fix for multi-account DB initialization
  • Fix for TO_DATE conversion with date format string
  • Fix insertion of numeric values from staged CSV files
  • Fix return value of TO_DECIMAL for int values
  • Fix parity with SnowSQL for SHOW ROLES
  • Fix create user or role response
  • Add support for ALTER SESSION UNSET
  • Native app deployment fixes
  • Add support for SHOW TELEMETRY EVENT DEFINITIONS IN APPLICATION
  • Support ALTER and DESCRIBE APPLICATION
  • Support DESCRIBE PROCEDURE
  • Add support for function SYSTEM$VALIDATE_NATIVE_APP_SETUP
  • Add dispatcher request deserialization for REST API
  • Enhance parity on metadata results for copy into command
  • Fix for numeric bool values

1.0.0

Section titled “1.0.0”
  • Add support for SHOW/ALTER FUNCTION
  • Fix incompatibilities with GO driver and SnowSQL client
  • Add support for SHOW INDEXES
  • Improve timestamp string support in TO_TIMESTAMP
  • Fix casting values to array
  • Cast MERGE INTO/UPDATE commands arguments to target type
  • Make TO_BOOLEAN work with all boolean strings
  • Enhance parity for parsing URLs with whitespaces in PUT commands
  • Enhance and add support for metadata columns in parquet format
  • Enhance CRUD support for external volumes
  • Add support for EXECUTE TASK
  • Fix identifier parsing in stages and file formats
  • Enhance SHOW TABLES feature parity
  • Handle DATE and TIME functions
  • Add initial Iceberg support
  • Enhance parity for GRANT statements and DB permissions
  • Add initial support for password-less auth using RSA key
  • Enhance parity for queries over staged JSON files
  • Add initial support for Catalog Integrations
  • Support prepared statements in ODBC driver
  • Enhance decimals parity
  • Add initial support for granting APPLICATION ROLE
  • Enhance parity for SQL procedures with SF-native statements
  • Add support for lateral column references on SELECT
  • Fix SHOW TABLE with schema scope for Flyway
  • Decode field delimiters passed as hex or octal values
  • Remove modifiers from binary columns
  • Fix permissions to clone default database
  • Add support for numeric paramstyle
  • Enhance support for CASE expressions in BEGIN..END blocks
  • Refreshed UI
  • Enhance parity for DESCRIBE DATABASE queries
  • Enable local deployment of Streamlit Native Apps
  • Enhance parity for materialized view queries
  • Enhance parity for SHOW DYNAMIC TABLES
  • Fix handling of IF EXISTS statements within transactions
  • Enhance support for BEGIN code blocks with multiple command statements
  • Enhance logic for native apps and permission grants
  • Enhance parity for Native Apps that contain streamlit apps
  • Add auto-conversion of strings to ARRAY/OBJECT types
  • Add support for Polaris catalog

0.3.0

Section titled “0.3.0”
  • Add support for multi-account setups
  • Add initial support for Java UDFs
  • Add initial support for native apps and APPLICATION PACKAGEs
  • Add support for row access policies
  • Add support for AVRO file format
  • Add support for ALTER STAGE and ALTER STREAM statements
  • Enhance SHOW COLUMNS/SCHEMAS feature parity
  • Add support for EQUAL_NULL and variant type check functions
  • Add support for ARRAY_REVERSE function
  • Add support for DESCRIBE/SHOW SEQUENCES
  • Enhance timestamp handling and timezone support
  • Add support for metadata columns in JSON
  • Add support for INSERT OVERWRITE queries
  • Support ZTSD compression
  • Enhance TO_CHAR with date and number formatting
  • Support dropping multiple columns in single ALTER statement
  • Add support for TIMEZONE session parameter
  • Make default user and password configurable
  • Fix various timestamp and timezone-related issues
  • Improve query performance by re-using PG connections per session
  • Enhance parity for comparison of VARIANTs and JSON objects
  • Enhance column aliasing for joins
  • Fix type mapping for rowtype metadata to enhance compatibility with .NET clients
  • Cast INSERT INTO arguments to target type
  • Add support for REGEXP_SUBSTR function
  • Prohibit Postgres specific data types
  • Add HEADER and FIELD_OPTIONALLY_ENCLOSED_BY support for COPY INTO
  • Support subquery in copy into location
  • Support not equal operator
  • Enhance parity for $N references in WHERE clauses
  • Increase identifiers length to 255 char
  • Improve JDBC driver compatibility
  • Support LS alias to LIST files from stages

0.2.5

Section titled “0.2.5”
  • Change storage integration to not be associated with DB/schema
  • Add enhanced support for SHOW ROLES and USE ROLE
  • Enhance parity for COUNT(..) with NULL values
  • Add multiple statements support
  • Fix staging issues with parsing
  • Enhance logic for timestamp assignments in MERGE INTO queries
  • Add proper passing of stage parameters and validations
  • Add support for SYSTEM$CLIENT_VERSION_INFO/OBJECT_CONSTRUCT_KEEP_NULL/TIMESTAMPADD/DATEADD/TIMEADD functions
  • Fix timestamp_ltz comparison operators issue
  • Fix INSERT result count type
  • Show tables metadata/information for dynamic tables
  • Include Snowflake emulator version in the logs
  • Update web app layout
  • Enhance parity for NUMBER/FIXED data types in JDBC results
  • Add support for querying from INFORMATION_SCHEMA.TABLES
  • Fix Arrow encoding for large decimal numeric values
  • Fix session for /api/v2/statements endpoint
  • Improve file formats handling in COPY INTO
  • Enhance parity for COPY INTO with multiple stage files
  • Update metadata for integer
  • Enhance parity around selecting NULL values for DATE columns
  • Add initial support for materialized views
  • Add format parameter for TO_TIMESTAMP function
  • Add support for async execution of multi-statement queries
  • Add support for patterns in select from stages
  • Allow table column projections for COPY INTO queries from stage files
  • Add support for numeric operators with mixed/variant types
  • Add initial support for MAP data type and util functions
  • Create INFORMATION_SCHEMA.FUNCTIONS table
  • Add support for querying metadata filename in select from stage statements
  • Enhance parity for primary/foreign keys
  • Add support for IF EXISTS clauses in ALTER COLUMN queries
  • Add initial support for user-defined transaction management

0.2.4

Section titled “0.2.4”
  • Support POWER/POW/DIV0NULL/IFNULL functions
  • Add support for COPY INTO location
  • Add initial support for table/database clones
  • Establish parity with snowflake when csv imports
  • Allow binding multiple values
  • Fix database and schema names in copy into table
  • Fix executeUpdate in JDBC
  • Support ORDER and NOORDER from AUTOINCREMENT column def
  • Add initial logic and tests for replicating resources between accounts
  • Convert empty csv values to null
  • Add support and tests for LATERAL queries
  • Add initial support for EXECUTE IMMEDIATE
  • Add initial support for tags
  • Add identifier support to SELECT queries
  • Fix inserting timestamp values correctly
  • Fix timestamps in insert for current_timestamp
  • Add support for init scripts
  • Fix handling timestamp values on update
  • Add support for DESCRIBE STAG
  • Add initial support for storage integrations
  • Enhance parity of TIMESTAMP_LTZ
  • Create clone db using identifiers
  • Add mock support for replication databases to fix TF issues
  • Fix logic for setting session parameters
  • Add support for some extended GRANT statements
  • Support ALTER SEQUENCE
  • Support creating stages with storage integrations
  • Terraform create database fixes
  • Improve general error handling
  • Add initial support for SHOW GRANTS TO/OF

0.2.3

Section titled “0.2.3”
  • Add initial support for OBJECT_KEYS/PARSE_IP/DESCRIBE FUNCTION functions
  • Add support for various functions including DATE_TRUNC, NVL2, LEAST, GREATEST, and more
  • Enhance parity for creation/deletion of schemas with fully qualified names
  • Enhance parity for inserting timestamps with subsecond precision
  • Enhance parity for CTAS with nested subqueries
  • Enhance parity for id placeholders in JDBC prepared statements
  • Enhance parity for metadata queries and schema lookup
  • Adjust MIN_BY/MAX_BY aggregate functions
  • Properly extract db/schema parameters for JDBC connections
  • Implement trigonometric and hyperbolic functions
  • Add support for GET stage files

0.2.2

Section titled “0.2.2”
  • Add initial support for hybrid tables and dynamic tables
  • Add support for OBJECT_CONSTRUCT_KEEP_NULL/AS_DOUBLE/AS_INTEGER/AS_NUMBER/AS_CHAR
  • Add /result API endpoint to retrieve query results
  • Track original types in internal VARIANTs
  • Enhance parity for SHOW WAREHOUSES queries
  • Support for SHOW TASKS
  • Enhance parsing of stage params
  • Fix selection of columns when querying stage files
  • Automatically adjust PG JIT support if LLVM libs are missing
  • Enhance custom JSON parsing to allow escaped characters
  • Enhance parity of TIMESTAMP_LTZ for Flyway compatibility

0.2.1

Section titled “0.2.1”
  • Add initial support for Iceberg tables
  • Add initial support for external volumes and Snowflake pipes
  • Support LIST/REMOVE queries for staged files
  • Support SHOW PIPES queries
  • Support COPY GRANTS in CREATE TABLE queries
  • Add multiple new SQL functions
  • Implement RANK/DENSE_RANK
  • Implement various conversion functions
  • Enhance logic for TO_CHAR
  • Support window queries with QUALIFY
  • Support COUNT_IF aggregate functions
  • Make CREATE SERVER queries idempotent
  • Fix compatibility issues
  • Add MUI data-grid for results table in UI
  • Add squashing of Docker image to reduce size

0.2.0

Section titled “0.2.0”
  • Support various SQL functions (BITAND, FLATTEN, RANDOM, etc.)
  • Add Snowflake proxy request handler
  • Add initial version of simple UI view
  • Fix execution of CTAS queries with UNION selects
  • Fix logic for PUT file uploads
  • Support parsing incomplete JSON
  • Enhance support for TABLESAMPLE queries
  • Add initial support for temporary and transient tables
  • Add Snowflake v2 SQL APIs
  • Fix describeOnly INSERT queries

0.1.26

Section titled “0.1.26”
  • Support CONVERT_TIMEZONE, IFF SQL functions
  • Implement ALTER WAREHOUSE as no-op
  • Implement time functions
  • Enhance JDBC driver compatibility
  • Fix Arrow encoding
  • Support SQL queries from within JS UDFs
  • Add various performance improvements
  • Implement additional date functions
  • Add support for loading data from public S3 buckets

0.1.25

Section titled “0.1.25”
  • Enhance support for various SHOW queries
  • Add initial persistence support for Snowflake store
  • Enhance parity for timestamp types
  • Fix SHOW PARAMETERS for Terraform compatibility
  • Set up CI build for Docker image

0.1.24

Section titled “0.1.24”
  • Enhance parity around user-defined PROCEDUREs
  • Fix upper-casing for various functions
  • Enhance support for UNIQUE column constraints
  • Add initial support for cross-DB resource sharing

0.1.23

Section titled “0.1.23”
  • Add initial simple scheduler to periodically run tasks

0.1.22

Section titled “0.1.22”
  • Fix query transforms for ADD COLUMN queries
  • Fix wrapping of VALUES subquery in braces
  • Add initial CRUD support for TASKs
  • Support DROP PRIMARY KEY queries
  • Migrate use of localstack.http to rolo

0.1.21

Section titled “0.1.21”
  • Add support for consuming table stream records via DML statements

0.1.20

Section titled “0.1.20”
  • Initial simple support for table streams
  • Add support for SHOW DATABASES, SHOW VIEWS
  • Enhance parity for Arrow results
  • Fix various identifier and query issues

0.1.19

Section titled “0.1.19”
  • Return SELECT results in arrow format for pandas compatibility
  • Add add_months function
  • Fix UDFs with raw expressions
  • Upgrade to Postgres v15
  • Various parity and performance improvements

0.1.18

Section titled “0.1.18”
  • Add support for various array and aggregation functions
  • Enhance FILE FORMAT operations
  • Fix CTAS queries
  • Support INFER_SCHEMA(..) for parquet files
  • Improve identifier handling

0.1.17

Section titled “0.1.17”
  • Support creation/deletion of stages
  • Add IS_ARRAY function
  • Remove DuckDB based DB engine
  • Refactor codebase to use QueryProcessor interface
  • Enhance column name handling

0.1.16

Section titled “0.1.16”
  • Add support for SHOW PROCEDURES and SHOW IMPORTED KEYS
  • Add basic support for session parameters

0.1.15

Section titled “0.1.15”
  • Fix result type conversation for GET_PATH(..) util function

0.1.14

Section titled “0.1.14”
  • Enhance parity around SHOW queries
  • Add more array util functions
  • Fix STRING_AGG functionality

0.1.13

Section titled “0.1.13”
  • Support CURRENT_* functions
  • Enhance LISTAGG for distinct values
  • Add test for JS UDFs with exports

0.1.12

Section titled “0.1.12”
  • Cast params for string_agg/listagg
  • Fix parity for upper/lowercase names

0.1.11

Section titled “0.1.11”
  • Enhance parity for array aggregation functions
  • Improve timestamp timezone handling
  • Add case-sensitive identifier tracking

0.1.10

Section titled “0.1.10”
  • Add query transforms for CLUSTER BY
  • Add SF_S3_ENDPOINT config
  • Various parity fixes

0.1.9

Section titled “0.1.9”
  • Add support for Python UDFs
  • Enhance function creation parity
  • Add analytics setup

0.1.8

Section titled “0.1.8”
  • Add SF_LOG config for request/response trace logging

0.1.7

Section titled “0.1.7”
  • Add initial support for JavaScript UDFs
  • Enhance DB/table creation responses
  • Improve streaming logic

0.1.6

Section titled “0.1.6”
  • Introduce session state for DB/schema retention
  • Support async queries and result_scan(..)

0.1.5

Section titled “0.1.5”
  • Enhance DESCRIBE TABLE results
  • Support MIN_BY/MAX_BY aggregate functions

0.1.4

Section titled “0.1.4”
  • Add logic to parse and replace DB references in queries

0.1.3

Section titled “0.1.3”
  • Add DBEngine abstraction
  • Add experimental support for duckdb
  • Enhance JSON query support

0.1.2

Section titled “0.1.2”
  • Add CSV file ingestion from Snowflake stage to table

0.1.1

Section titled “0.1.1”
  • Initial support for Kafka connector
  • Add snowpipe/streaming APIs

0.1.0

Section titled “0.1.0”
  • Initial release of the extension