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GPUdb Python API Changelog

Version 7.1

Version 7.1.8.3 - 2023-01-26

Added

  • Added conversion to DataFrame functions:
    • GPUdb.to_df() - convert SQL result set to DataFrame
    • GPUdbTable.to_df() - convert table data to DataFrame

Version 7.1.8.2 - 2022-12-14

Added

  • Re-added support for username/password in the URL
  • Re-added support for 7.0 protocol & port overrides
  • Re-added support for numeric log levels

Changed

  • Removed default HTTP protocol assignment in Options

Fixed

  • Result tables can now be created from GPUdbTable in schemas other than the one associated with the GPUdbTable table

Version 7.1.8.1 - 2022-12-08

Added

  • Support for more varieties of Mac OS

Version 7.1.8.0 - 2022-10-18

Fixed

  • Issue with injection of default HTTP port into HTTPS URLs
  • Issue with services that don't accept uppercase protocols
  • Issue with services that don't accept lowercase methods

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.7.6 - 2022-10-10

Added

  • Support for more platforms on Python 3.10

Fixed

  • Import issue with Python3 on Mac OS

Version 7.1.7.5 - 2022-10-07

Fixed

  • Issue with injection of default HTTP port into HTTPS URLs

Version 7.1.7.4 - 2022-10-06

Fixed

  • Issue with services that don't accept uppercase protocols

Version 7.1.7.3 - 2022-08-31

Fixed

  • Memory leak in underlying C-extension library

Version 7.1.7.2 - 2022-08-12

Fixed

  • Made the connection parameters more accommodating to additional host:port combinations

Version 7.1.7.1 - 2022-08-10

Fixed

  • Made the connection parameters more accommodating to different URL/host/port combinations

Version 7.1.7.0 - 2022-07-18

Fixed

  • Made the API Python3 compatible
  • Prevented client hanging when connection IP/URL does not match any known to the server; client will operate in degraded mode (no multi-head, etc.)
  • Removed client-side primary key check, to improve performance and make returned errors more consistently delivered
  • Rectified a formatting issue while building expressions for keyed lookups that was resulting in a failure on Python 2.7.x.
  • Corrected some string/null comparisons

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.6.1 - 2022-02-08

Fixed

  • Made 7.1.6 API backward-compatible with previous database versions

Version 7.1.6.0 - 2022-01-27

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.5.0 - 2021-10-13

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.4.0 - 2021-07-29

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.3.5 - 2021-05-24

Fixed

  • GPUdbTable constructor error when the table exists in the database but the user does not have access to it.

Version 7.1.3.4 - 2021-05-10

Fixed

  • Issue when server and client versions are incompatible resulting in an exception being thrown. Now it prints a warning as expected.

Version 7.1.3.3 - 2021-04-21

Fixed

  • Logging format millisecond so that it shows the actual millisecond, and not .333 always.

Version 7.1.3.2 - 2021-04-16

Added

  • Class GPUdb.Version that represents Kinetica version (the server's or client's).
  • GPUdb properties:
    • current_cluster_info: GPUdb.ClusterAddressInfo object containing information on the active cluster.
    • server_version: GPUdb.Version containing the version of the active server cluster's version, or None if not known.

Version 7.1.3.1 - 2021-03-18

Fixed

  • Improved performance when debug or trace logging is not enabled

Version 7.1.3.0 - 2021-03-05

Added

  • Added GPUdbTableMonitor to the API docs
  • Added GPUdbWorkerList to the API docs
  • Added GPUdbException to the API docs

Fixed

  • Improved class/method linkages in API docs
  • Issue with parsing a URL with no port

Notes

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.2.0 - 2021-01-25

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.1.1 - 2020-12-16

Performance Enhancements

  • Increased overall multi-head I/O speed by reducing client-side workload.

Version 7.1.1.0 - 2020-10-28

Added

  • GPUdb methods for adding custom headers per endpoint call:
    • add_http_header()
    • remove_http_header()
    • get_http_headers()
  • Add multi-head i/o support for new column type UUID
  • New log level trace for GPUdb

Changed

  • The GPUdb table monitor API has been refactored to be more user friendly. Here are the following breaking changes (as compared to the initial API released in version 7.0.17.0):
    • The only exported class is GPUdbTableMonitor which acts as a global namespace. It contains the following nested public classes that the user will use:
    • GPUdbTableMonitor.Client
    • GPUdbTableMonitor.Options
    • GPUdbTableMonitor.Callback
      • GPUdbTableMonitor.Callback.Options (and its derivative InsertDecodedOptions)
      • GPUdbTableMonitor.Callback.Type
    • The old GPUdbTableMonitorBase.Options is now GPUdbTableMonitor.Options. All old options have been replaced with following current option:
      • inactivity_timeout
    • The following classes have been refactored or removed (users need not use the refactored versions; they exist only for internal purposes):
      • GPUdbTableMonitorBase
      • BaseTask
      • InsertWatcherTask
      • DeleteWatcherTask
      • UpdateWatcherTask
      • TableEvent
      • NotificationEventType
      • NotificationEvent
      • TableEventType

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.1.0.1 - 2020-08-27

Fixed

  • Added missing imports:
    • Exception class GPUdbUnauthorizedAccessException
    • Utility class _Util

Version 7.1.0.0 - 2020-08-18

Added

  • GPUdbTable read-only property qualified_table_name which returns the fully qualified table name.
  • GPUdbTable static helper method get_qualified_table_name which returns the fully qualified version of the given table name.
  • GPUdb.HASynchronicityMode NONE
  • New exception classe(s):
    • GPUdbHAUnavailableException (for internal API use)
    • GPUdbFailoverDisabledException (for internal API use)
    • GPUdbUnauthorizedAccessException
  • Method is_kinetica_running() for checking if a Kinetica instance is running at the given URL.
  • GPUdb read-only properties:
    • all_cluster_info
    • logging_level
    • options
    • protocol
  • Some convenience methods:
    • GPUdb.ping()
    • GPUdb.is_kinetica_running()
    • GPUdb.get_server_debug_information()
    • GPUdb.wms()
  • GPUdbIngestor read-only properties:
    • retry_count

Changed

  • GPUdbTable methods that return a GPUdbTable object now creates that object based on a fully qualified (i.e. with schema) name which is returned in the response of the endpoint query.
  • GPUdb.get_url() takes an optional argument stringified with default value True.
  • GPUdb.get_all_available_full_urls() takes an optional argument stringified with default value True.
  • If the user gives the wrong host manager port to GPUdb via GPUdb.Options, GPUdb will no longer attempt to fix it.

Deprecated

  • The following GPUdb property setters have been deprecated; they will no longer have any effect on the GPUdb object:
    • GPUdb.connection
    • GPUdb.host
    • GPUdb.port
    • GPUdb.host_manager_port
    • GPUdb.gpudb_url_path

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0

Version 7.0.18.0 - 2020-07-30

Changed

  • Some GPUdbTable methods to have a limit of -9999, instead of 10,000, to align it with the GPUdb method default value:
    • get_records()
    • get_records_by_column()
    • get_records_from_collection()
    • get_geo_json()

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0.17.0 - 2020-07-06

Added

  • Introduced new API for client side table monitor feature. The name of the class to use is GPUdbTableMonitorBase A default implementation which demonstrates usage of this class is included in the class GPUdbTableMonitor. A full example is found in the directory examples in the Python file table_monitor_example_Default_impl.py. There are other variants of the example in the Python files, table_monitor_example_basic_first.py and table_monitor_example_basic_second.py. Several test cases are included in the test/table_monitor directory.

Changed

  • GPUdbTable.random_name() and GPUdbTable.prefix_name() now generate strings without hyphens to be more SQL-compatible.

Version 7.0.16.0 - 2020-05-28

Fixed

  • GPUdbTable.alter_table() now updates the multi-head I/O objects' table names so that subsequent multi-head I/O operations work.
  • Response encoding for GPUdb endpoints that return encoded data for JSON encoding.
  • Occassional data corruption issue with replacing '\U' with '\u' for JSON encoding.

Version 7.0.15.4 - 2020-05-18

Fixed

  • Python 3 compatibility issue in GPUdbIngestor

Version 7.0.15.3 - 2020-05-15

Fixed

  • GPUdbIngestor bug introduced in 7.0.15.2 :-/

Version 7.0.15.2 - 2020-05-13

Fixed

  • GPUdbTable.insert_records() slow-down when using multi-head ingestion.

Version 7.0.15.1 - 2020-05-07

Fixed

  • GPUdbTable.insert_records() bug when using stringified numerics (e.g. "1" for an integer column) with multi-head ingestion.

Version 7.0.15.0 - 2020-04-27

Fixed

  • GPUdbTable creation--type comparison issue where column data type case is not all lower case and the column properties' order and case are different from the existing type.

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0.14.1 - 2020-03-31

Changed

  • Upon client-server version mismatch, do not throw an exception anymore. Just log a warning.

Version 7.0.14.0 - 2020-03-25

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0.13.0 - 2020-03-10

Changed

  • GPUdb constructor behavior--if a single URL is used and no primary URL is specified via the options, the given single URL will be treated as the primary URL.

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0.12.0 - 2020-02-09

Added

  • GPUdbRecordType property column_names which is a list containing the names of all the columns in the record type, in the order they appear in the type.
  • GPUdbRecordType method get_column() that takes a string (column name) or integer (column index) and returns the respective GPUdbRecordColumn object.

Fixed

  • GPUdbTable.get_records_by_key() issue dict as the input argument

Note

  • Check CHANGELOG-FUNCTIONS.md for endpoint related changes.

Version 7.0.11.0 - 2019-12-10

Added

  • Support for overriding the high availability synchronicity mode for endpoints; set the property ha_sync_mode of gpudb.GPUdb with one of the following values of the enumeration gpudb.GPUdb.HASynchronicityMode:
    • DEFAULT
    • SYNCHRONOUS
    • ASYNCRHONOUS

Fixed

  • Example script to match changed endpoint format.

Version 7.0.9.0 - 2019-09-24

Added

  • Support for high-availability failover when the database is in the offline mode.

Version 7.0.7.0 - 2019-08-29

Added

  • Support for new column property 'ulong' to multi-head I/O. Compatible with Kinetica Server version 7.0.7.0 and later only.
  • The following properties to GPUdbTable regarding whether the table itself is a collection or belongs to a collection:
    • GPUdbTable.is_collection
    • GPUdbTable.collection_name
  • GPUdb class constructor parameter skip_ssl_cert_verification which disables verifying the SSL certificate for the Kinetica server for HTTPS connections.

Fixed

  • Some Python3 compatibility related issues

Server Version Compatibilty

  • Kinetica 7.0.7.0 and later

Version 7.0.6.1 - 2019-08-14

Changed

  • Added support for high availability failover when the system is limited (in addition to connection problems). Compatible with Kinetica Server version 7.0.6.2 and later only.

Server Version Compatibilty

  • Kinetica 7.0.6.2 and later

Version 7.0.6.0 - 2019-07-27

Added

  • Support for passing /get/records options to RecordRetriever.get_records_by_key() and GPUdbTable.get_records_by_key()

Version 7.0.5.0 - 2019-06-26

Added

  • Minor documentation and some options for some endpoints

Changed

  • Parameters for /visualize/isoschrone

Version 7.0.4.0 - 2019-06-21

Changed

  • Lifted restrictions on columns with property date, time, datetime, or timestamp such that no validation occurs by the client. This allows the init_with_now property to be applied to such columns.

Version 7.0.1.1 - 2019-03-31

  • Changed GPUdbTable constructor behavior--it no longer calls /show/table with get_sizes = true since that can be a relatively costly query. len() now calls /show/table as needed, even for read-only tables.
  • Added option is_automatic_partition to GPUdbTableOptions

Version 7.0.1.0 - 2019-03-12

  • Added support for selecting a primary host for the GPUdb class
  • Added support for high availability (HA) to multi-head ingestion retrieval

Version 7.0.0.2 - 2019-02-26

  • Added some logging support

Version 7.0.0.1 - 2019-02-09

  • Added support for high availability (HA) failover logic to the GPUdb class

Version 7.0.0.0 - 2019-01-31

  • Added support for cluster reconfiguration to the multi-head I/O operations

Version 6.2

Version 6.2.0.11 - 2019-03-22

  • Changed GPUdbTable constructor behavior--it no longer calls /show/table with get_sizes = true since that can be a relatively costly query. len() now calls /show/table as needed, even for read-only tables.

Version 6.2.0.10 - 2018-09-16

  • Added support for host manager endpoints
  • Added support for replicated tables to multi-head ingestion via GPUdbTable and GPUdbIngestor
  • Added head-node only usage support to GPUdbWorkerList

Version 6.2.0.0 - 2018-05-09

  • New RecordRetriever class to support multi-head record lookup by shard key in gpudb_multihead_io.py (file previously named gpudb_ingestor.py)
  • Renamed gpudb_ingestor.py to gpudb_multihead_io.py
  • Added an opt-out mechanism for the GPUdb constructor such that no version check or other communication is made with the server.
  • Added an in-house compiled C-module named protcol for avro encoding and decoding to drastically increase record ingestion and retrieval speed.
  • Added a convenience method get_geo_json() to GPUdbTable that returns a GeoJSON object from a table.

Version 6.1.0 - 2017-10-05

  • Added new GPUdbTable class that makes the creation of tables and data i/o much more convenient. Query chaining for relevant endpoints is also made convenient.

  • Added object oriented record type and data handling. See new classes

    • GPUdbColumnProperty -- Contains the different column properties.
    • GPUdbRecordColumn -- Represents a column for any given record.
    • GPUdbRecordType -- Represents a record data type. Has convenient functions for creating a type in GPUdb.
    • GPUdbRecord -- Contains data for any given record; also has convenient data encoding and decoding functions for inserting and fetching data from the database server.

Version 6.0.0 - 2017-01-24

  • Releasing version

Version 5.4.0 - 2016-11-29

  • Releasing version

Version 5.2.0 - 2016-06-25

  • Maintenance

Version 5.2.0 - 2016-06-25

  • Added the pymmh3 python package.

Version 5.1.0 - 2016-05-06

  • Updated documentation generation.

Version 4.2.0 - 2016-04-11

  • Refactor generation of the APIs.