target_table TO VERSION AS OF <version> RESTORE TABLE delta.`/data/target/` TO TIMESTAMP AS OF Python %pyspark from delta.tables import * deltaTable = DeltaTable.forPath(spark, <path-to-table>) # path-based tables, or deltaTable = DeltaTable.forName(spark, ) # Hive metastore-based ...
您現在可以將 CLONE 和CONVERT TO DELTA 與Iceberg 資料表搭配使用,該資料表有在類型 int、long 和string 的截斷資料欄定義的分割區。 不支援類型的 decimal 截斷資料欄。 START VERSION 現已被 ALTER SHARE 取代。使用者介面更新修正:計數器視覺效果現在支援使用 Big Integers 時的格式設定。2023...
RESTORE TABLE target_table TO VERSION AS OF <version>; RESTORE TABLE target_table TO TIMESTAMP AS OF ; 如需語法詳細數據,請參閱 RESTORE。重要 還原會被視為數據變更作業。 命令新增的 RESTORE Delta Lake 記錄專案包含 dataChange 設定為 true。 如果有下游應用程式,例如 處理Delta Lake 資料表更新的結構...
pipenv --python <version> Make a note of the Virtualenv location value in the output of the pipenv command, as you will need it in the next step. Select the target Python interpreter, and then activate the Python virtual environment: On the menu bar, click View > Command Palette, type...
RESTORE TO VERSION AS OF n; RESTORE TO TIMESTAMP AS OF 'yyyy-MM-dd HH:mm:ss'; Python Python 复制 from delta.tables import DeltaTable DeltaTable.forName(spark, "table_name").restoreToVersion(n) DeltaTable.forName(spark, "table_name").restoreToTimestamp('yyyy-MM-dd') Scala Scal...
getItem(2).as("indoor_temperature"), col("newMessage").getItem(3).as("ouoor_temperature"), col("newMessage").getItem(4).as("chiller_temperature"), col("newMessage").getItem(5).as("electricity"), col("newMessage").getItem(6).as("protocal_version") ) .withColumn(...
%sql DESCRIBE HISTORY events; -- 您需要将以下日期时间修改为具体日期 SELECT * FROM events TIMESTAMP AS OF '2020-12-0919:15:30'; SELECT * FROM events VERSION AS OF0 更新表中数据,然后查询表更改历史时间戳和版本信息 %sql -- 更新表中数据,然后查询表更改历史时间戳和版本信息 UPDATE events SET...
(3.0+) includes an advanced version of the RedShift connector for Spark that features both performance improvements (full query pushdown) as well as security improvements (automatic encryption). For more information, refer to theDatabricks documentation. As a result, we will no longer be making ...
pipenv--python<version> Make a note of theVirtualenvlocationvalue in the output of thepipenvcommand, as you will need it in the next step. Select the target Python interpreter, and then activate the Python virtual environment: On the menu bar, clickView > Command Palette, typePython:Select,...
If the data type is correct, please ensure that you are using a supported version of Spark SQL. CANNOT_REFERENCE_UC_IN_HMS SQLSTATE: 0AKD0 Cannot reference a Unity Catalog <objType> in Hive Metastore objects. CANNOT_RENAME_ACROSS_CATALOG SQLSTATE: 0AKD0 Renaming a <type> across ...