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[英]How to Export Multiple files from BLOB to Data lake Parquet format in Azure Synapse Analytics using a parameter file?
[英]Copy parquet file from Azure data lake storage account to Synapse data warehouse table failed
我使用 COPY INTO 语句将 ADLS Gen2 中的 csv 文件成功复制到 Synapse 表,并使用共享访问签名作为凭据。 However, when I try to copy snappy.parquet file in the same storage account (different container) into a table in the same data warehouse, got error: "Error occurred while accessing HDFS: Java exception raised on call to HdfsBridge_Connect. Java exception message :找不到配置属性 mystorage.dfs.core.windows.net。”。 我的代码是:
CREATE EXTERNAL FILE FORMAT pqt
WITH (
FORMAT_TYPE = PARQUET
,DATA_COMPRESSION = 'org.apache.hadoop.io.compress.SnappyCodec'
);
COPY INTO [dbo].table
FROM 'https://mystorage.dfs.core.windows.net/../*.parquet'
WITH
(
FILE_FORMAT =pqt
,CREDENTIAL=(IDENTITY= 'Shared Access Signature', SECRET='sas token') )
你知道如何解决这个问题吗?
谢谢
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