这种方法的好处是巨大的:下面是在您自己的 Snowflake 中实现外部表的示例 SQL:create or replace external table ext_miniowith location = @minio_excompstagefile_format = (type = csv)auto_refresh=falserefresh_on_create=false;alter external table ext_minio refresh;现在,您可以查询外部表并将其联接到 ...
Snowflake does not automatically refresh the external table metadata. To register any existing data files in the stage, you must manually refresh the external table metadata once using ALTER EXTERNAL TABLE… REFRESH. Default: TRUE AUTO_REFRESH = TRUE | FALSE Specifies whether Snowflake should enab...
CREATE OR REPLACE EXTERNAL TABLE OPENAQ_202201( AQDATE DATE AS TO_DATE(SUBSTR(metadata$filename, 18, 10), 'YYYY-MM-DD')) PARTITION BY (AQDATE) WITH LOCATION = @OPENAQ/realtime-gzipped/ AUTO_REFRESH = true FILE_FORMAT = (TYPE=JSON, COMPRESSION=GZIP); SHOW ...
: ALTER EXTERNAL TABLE if_exists? object_name REFRESH string? | ALTER EXTERNAL TABLE if_exists? object_name ADD FILES '(' string_list ')' @@ -1415,6 +1423,7 @@ create_command | create_object_clone | create_connection | create_database | create_dynamic_table | create_event_table | ...
Dynamic table SQL has alimited feature set. Dynamic table SQL cannot be updated; the dynamic table must go through a--full-refresh(DROP/CREATE). Dynamic tables cannot be downstream from: materialized views, external tables, streams. Dynamic tables cannot reference a view that is downstream from...
外部テーブルのメタデータは、クラウドストレージサービスのイベント通知サービスを使用して 自動で、または ALTER EXTERNAL TABLE ... REFRESH を使用して手動で更新できます。 マテリアライズドビューには、他にもいくつかの制限があります。詳細については、 マテリアライズドビューの作成...
In certain extract refresh processes, new connections are established later in the job when the access token has expired. To address this issue, we have added a new capability, which is enabled by default starting in Tableau 2024.2. To enable this capability in older releases, you can use ...
(38, 0)" }') ]), 'EXTERNAL_TABLE') -- Concatenate the table parameters after the query results || $$) PARTITION BY (year, month) LOCATION = @drive_stats_stage FILE_FORMAT = parquet_snappy AUTO_REFRESH = false; $$ FROM TABLE ( INFER_SCHEMA( LOCATION => '@drive_stats_stage', ...
In the remaining IAM tab, click theRefreshbutton. Search for "GetSecretValue", check the box next to the matching policy, then clickAdd permissions. Close the IAM tab. Create the Snowflake role For Snowflake to interact with the Lambda function, you need to create a role for Snowflake. ...
Drop Dynamic Table, Refresh Dynamic Table, Rename Dynamic Table Data, Columns, Info, Native DDL, Row Count Columns Columns Column Column EventTables Tables EventTable Drop Event Table, Rename Event Table Data, Columns, Info, Native DDL, Row Count Columns Columns Column Column HybridTables Tables ...