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| Date | Build
Number | Change
Type | Description |
| 09/04/2024 | 9013 | Google BigQuery | Added
- DelegatedServiceAccounts 接続プロパティが追加されました。AuthScheme GCPInstanceAccounts と組み合わせて使用する場合、このプロパティにで委任されたサービスアカウントのスペース区切りのリストを指定できます。プロジェクトに割り当てられたデフォルトのサービスアカウントのメールアドレスが、リクエストするサービスアカウントとして機能します。
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| 05/09/2024 | 8895 | General | Changed
- 以前はROUND 関数は負の値を受け取りませんでした。その機能は復元されました。
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| 03/15/2024 | 8840 | General | Added
- Java のString.compare() 機能をSQL クエリに提供するSTRING_COMPARE という新しいSQL 関数が作成されました。2つの文字列の比較値を表す数値を返します。
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| 11/29/2023 | 8733 | General | Changed
- The ROUND function doesn't accept the negative precision values anymore.
Changed
- The returning types of the FDMonth, FDQuarter, FDWeek, LDMonth, LDQuarter, LDWeek functions are changed from Timestamp to Date.
- The return type of the ABS function will be consistent with the parameter value type.
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| 11/28/2023 | 8732 | General | Added
- Added the HMACSHA256 formatter to allow for secrets to be decoded if it is in base64 format
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| 06/20/2023 | 8571 | General | Added
- Added the new sys_lastresultinfo system table.
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| 04/25/2023 | 8515 | General | Removed
- Removed support for the SELECT INTO CSV statement. The core code doesn't support it anymore.
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| 03/24/2023 | 8483 | Google BigQuery | Added
- Added support for the INTERVAL data type within all query types. INTERVAL values are represented as text and given to the driver in BigQuery SQL's native format.
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| 01/04/2023 | 8404 | Google BigQuery | Added
- Added support for the JSON data type, both within queries as well as DML insert operations. It has most of the same limitations as other aggregate types like array. It is also supported as a type name for CAST(col AS JSON) as well as CREATE TABLE t(col JSON)
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| 12/14/2022 | 8383 | General | Changed
- Added the Default column to the sys_procedureparameters table.
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| 11/03/2022 | 8342 | Google BigQuery | Added
- Added support for performing a bulk UPDATE without having to specify primary keys via PrimaryKeyIdentifiers or schema files. As long as the platform native bulk interface is used (eg addBatch / executeBatch in JDBC) the provider can determine what goe into the SET vs. the WHERE clause.
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| 09/30/2022 | 8308 | General | Changed
- Added the IsPath column to the sys_procedureparameters table.
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| 09/28/2022 | 8306 | Google BigQuery | Added
- Added support for the FlattenObjects option. By default it is enabled and STRUCT vales are expanded as normal, but when disabled STRUCT values are reported as JSON aggregates in the same way ARRAY values are.
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| 06/06/2022 | 8192 | Google BigQuery | Added
- Added support for MERGE statements. The syntax is a subset of what BigQuery natively supports, including everything except the MATCHED BY SOURCE, DEFAULT and WHEN MATCHED AND clauses.
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| 04/27/2022 | 8152 | Google BigQuery | Added
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| 04/11/2022 | 8136 | Google BigQuery | Changed
- Changed what views are retrieved depending on the connection property UseLegacySQL. Connections using standard SQL will not report views that are only available in legacy SQL, and the same goes for standard views in legacy SQL connections.
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| 03/01/2022 | 8095 | Google BigQuery | Added
- Added support for CREATE VIEW AS statements.
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| 02/18/2022 | 8084 | Google BigQuery | Added
- Added support for ALTER TABLE. Due to BigQuery limitations, the only supported operations are ADD COLUMN, DROP COLUMN, ALTER COLUMN and (table) RENAME TO.
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| 01/26/2022 | 8061 | Google BigQuery | Added
- Added support for querying snapshot tables. Append it to the AllowedTableTypes connection property (along with other allowed table types) to make them show up.
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| 01/13/2022 | 8048 | Google BigQuery | Added
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| 01/04/2022 | 8039 | Google BigQuery | Added
- Added support for querying materialized views.
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| 12/20/2021 | 8024 | Google BigQuery | Added
- Added support for using the BigQuery TABLESAMPLE without enabling QueryPassthrough. If TableSamplePercent is set then the random row selection happens server-side for each table used in a query.
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| 12/10/2021 | 8014 | Google BigQuery | Changed
- Migrate to the latest version of the Storage API.
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| 10/21/2021 | 7964 | Google BigQuery | Added
- Added support for reading policy tags from the Data Catalog service. These are exposed using the PolicyTags column on sys_tablecolumns.
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| 10/20/2021 | 7963 | Google BigQuery | Added
- Added support for parameterized data types, both on the read side with and without UseStorageAPI as well as on the metadata side. The metadata is only reported on the table itself and not in queries, since BigQuery only enforces length/precision/scale when the data is written.
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| 09/02/2021 | 7915 | General | Added
- Added support for the STRING_SPLIT table-valued function in the CROSS APPLY clause.
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| 09/02/2021 | 7915 | Google BigQuery | Added
- Added support for bulk UPDATE and DELETE operations. These make better use of BigQuery's DML query limits because each batch is just one MERGE operation. They are also faster because they use the bulk upload methods to send the list of rows to be changed. Primary keys must be defined on the tables to use DELETE.
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| 08/09/2021 | 7891 | Google BigQuery | Added
- Support for staging data in all formats allowed by BigQuery. JSON and Avro were already supported, this adds options that allow uploading data stored in the CSV, Parquet and ORC formats.
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| 08/07/2021 | 7889 | General | Changed
- Added the KeySeq column to the sys_foreignkeys table.
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| 08/06/2021 | 7888 | General | Changed
- Added the new sys_primarykeys system table.
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| 07/28/2021 | 7879 | Google BigQuery | Added
- Added support for reading TIME, DATETIME and TIMESTAMP data at the full precision supported by BigQuery. We now report microsecond precision in .NET-based editions and millisecond precision in Java-based editions.
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| 07/23/2021 | 7874 | General | Changed
- Updated the Literal Function Names for relative date/datetime functions. Previously, relative date/datetime functions resolved to a different value when used in the projection as opposed to the predicate. For example: SELECT LAST_MONTH() AS lm, Col FROM Table WHERE Col > LAST_MONTH(). Formerly, the two LAST_MONTH() methods would resolve to different datetimes. Now, they will match.
- As a replacement for the previous behavior, the relative date/datetime functions in the criteria may have an 'L' appended to them. For example: WHERE col > L_LAST_MONTH(). This will continue to resolve to the same values that were previously calculated in the criteria. Note that the "L_" prefix will only work in the predicate - it not available for the projection.
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| 07/20/2021 | 7871 | Google BigQuery | Added
- Added support for staging data with Google Cloud Storage when performing inserts. This is similar to the existing Upload insert mode, but transfers the row data into GCS and then creates a load job referencing it instead of performing the upload directly into BigQuery.
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| 06/18/2021 | 7839 | Google BigQuery | Added
- Added support for the GOOGLEJSONBLOB JWT certificate type. This works like the existing GOOGLEJSON certificate type except that the certificate is provided as JSON text instead of as a file path.
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| 05/27/2021 | 7817 | Google BigQuery | Added
- Added support for automatically reconnecting on Storage connections that have long idle times. This is useful most for ETL applications and other scenarios where the consumer reading data out of the driver is expected to be slower than the driver itself. In these cases the connection can be dropped by the other side (either by the Storage API itself or network appliances like firewalls and proxies) leading to timeouts. To avoid this the driver will restart the read from the same position using a new connection.
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| 04/23/2021 | 7783 | General | Changed
- Updated how display sizes are determined for varchar primary key and foreign key columns so they will match the reported length of the column.
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| 04/16/2021 | 7776 | General | Changed
- Reduced the length to 255 for varchar primary key and foreign key columns.
Changed
- Updated index naming convention to avoid duplicates.
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| 04/05/2021 | 7765 | Google BigQuery | Added
- Added support for data unnesting. This mode performs client-side expansion of array data across multiple rows in a way that emulates the compact preview in the BigQuery UI. Server-side support of some options is limited in this mode (LIMIT and OFFSET) but otherwise behaves like the nested mode with the exception that it always outputs flat data and never outputs aggregates.
Changed
- Updated the default value for WaitForBatchResults to true since not checking the job status at smaller batch sizes can lead to lost jobs.
Deprecated
- Deprecated the UseStreamingInserts connection property in favor of InsertMode. The default for InsertMode is Streaming.
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| 03/04/2021 | 7733 | Google BigQuery | Removed
- Removed the TempTableDataset and TempTableExpirationTime connection properties. These properties have been defunct since we moved to using the BigQuery-managed query cache for large resultsets.
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| 01/29/2021 | 7699 | Google BigQuery | Added
- Added support for the BIGNUMERIC type, which is twice the size of the existing numeric type. JDBC supports this type at full precision while .NET requires using the connection property IgnoreTypes=decimal because the full precision of BIGNUMERIC (as with regular NUMERIC) is too high for System.Decimal.
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| 01/08/2021 | 7678 | Google BigQuery | Added
- Added support for using the upload API for batch inserts. This is an API that is slower than the streaming API for large volumes of data, but is free to use and doesn't have the same buffering delays that streaming does. It is also async by default although the option to wait on the batch is available via the new WaitForBatchResults connection property.
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| 12/23/2020 | 7662 | Google BigQuery | Added
- Added support for unnesting metadata with the Storage API.
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| 12/21/2020 | 7660 | Google BigQuery | Added
- Added support for unnesting metadata with the REST API. By enabling UnnestArrays, metadata for fields within REPEATED RECORD types is returned as separate columns instead of generating JSON aggregates. These values can be selected within queries but are currently treated as NULL.
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| 12/07/2020 | 7646 | Google BigQuery | Added
- Added support for injecting partition filters into queries that require them but do not have them, if the user enables the InsertPartitionFilterOption. This modifies queries against partitioned tables that require a partition filter so that they always contain a valid partition filter, which allows queries like simple SELECT * FROM t to work. Currently all partitions are selected by the generated filter.
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