-- 非分区表CREATETABLEdelta_table (idINT)USINGdelta LOCATION "/tmp/delta_table";INSERTINTOdelta_tableVALUES0,1,2,3,4;-- 分区表CREATETABLEdelta_table ( idINT,dateSTRING)USINGdelta PARTITIONEDBY(date) LOCATION "/tmp/delta_table";INSERTINTOdelta_tablePARTITION(date='2019-11-11')VALUES0,1,2...
deltaTable = DeltaTable.convertToDelta(spark, “parquet.`/path/to/ table`”) # Convert partitioned parquet table at path ‘/path/to/table’ and partitioned by integer column named ‘part’ partitionedDeltaTable = DeltaTable.convertToDelta(spark, “parquet.`/path/to/table`”, “part int...
Create a table val data = spark.range(0, 5) data.write.format("delta").save("/tmp/delta-table") // 分区表 df.write.format("delta").partitionBy("date").save("/delta/events") Read table val df = spark.read.format("delta").load("/tmp/delta-table") df.show() Update table //...
PARTITIONED BY (date) LOCATION '/delta/events' -- If a table with the same name already exists, the table is replaced with the new configuration, else it is created CREATE OR REPLACE TABLE events ( date DATE, eventId STRING, eventType STRING, data STRING) USING DELTA PARTITIONED BY (da...
,eventType STRING,data STRING)USING DELTAPARTITIONED BY(date)LOCATION'/delta/events'--Ifa tablewiththe same name already exists,the tableisreplacedwiththenewconfiguration,elseitiscreatedCREATE OR REPLACE TABLE events(date DATE,eventId STRING,eventType STRING,data STRING)USING DELTAPARTITIONED BY(date...
parquet.`abfss://container-name@storage-account-name.dfs.core.windows.net/path/to/table` PARTITIONED BY (date DATE);-- if the table is partitionedCONVERT TO DELTA iceberg.`abfss://container-name@storage-account-name.dfs.core.windows.net/path/to/table`;-- uses Iceberg manifest ...
Partition data 代码语言:javascript 复制 df.write.format("delta").partitionBy("date").save("/delta/events") Read a table 代码语言:javascript 复制 spark.read.format("delta").load("/delta/events") 2.2、查询表的旧快照(时间旅行) Delta Lake 时间旅行允许您查询 Delta Lake 表的旧快照。时间旅行有...
For example, suppose you have a tableuser_eventswithdate,user_email, andactioncolumns that is partitioned bydate. You stream out of theuser_eventstable and you need to delete data from it due to GDPR. When you delete at partition boundaries (that is, theWHEREis on a partition column), ...
-- 在 Flink SQL 中注册一张对应的分区表CREATETABLEmf_flink_part ( idBIGINT, name STRING, ageINT, statusBOOLEAN, dd STRING, hh STRING,PRIMARYKEY(id)NOTENFORCED ) PARTITIONEDBY(`dd`,`hh`)WITH('connector'='maxcompute','table.name'='mf_flink_tt_part','sink.operation'='upsert','odps....
CREATEORREPLACETABLErulesASSELECTcol1ASname, col2ASconstraint, col3AStagFROM(VALUES("website_not_null","Website IS NOT NULL","validity"), ("location_not_null","Location IS NOT NULL","validity"), ("state_not_null","State IS NOT NULL","validity"), ("fresh_data","to_date(updateT...