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The following commit(s) were added to refs/heads/master by this push: new 355b7c0a92 [Enhancement](docs) fix document typo #11818 355b7c0a92 is described below commit 355b7c0a92c9d3625d1b5295c309415d3c7b79e5 Author: zhou zhuohan <843520...@qq.com> AuthorDate: Thu Aug 18 16:06:20 2022 +0800 [Enhancement](docs) fix document typo #11818 Co-authored-by: ninjazhou <ninjaz...@tencent.com> --- docs/en/docs/data-operate/import/import-scenes/kafka-load.md | 2 +- docs/en/docs/faq/data-faq.md | 2 +- docs/zh-CN/docs/faq/data-faq.md | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/en/docs/data-operate/import/import-scenes/kafka-load.md b/docs/en/docs/data-operate/import/import-scenes/kafka-load.md index d2bf890188..e43a20c810 100644 --- a/docs/en/docs/data-operate/import/import-scenes/kafka-load.md +++ b/docs/en/docs/data-operate/import/import-scenes/kafka-load.md @@ -62,7 +62,7 @@ After the upload is complete, you can view the uploaded files through the [SHOW ### Create a routine import job -For specific commands to create routine import tasks, see [ROUTINE LOAD](../../../sql-manual/sql-reference/Data-Manipulation-Statements/Load/CREATE-ROUTINE-LOAD.html ) command manual. Here is an example: +For specific commands to create routine import tasks, see [ROUTINE LOAD](../../../sql-manual/sql-reference/Data-Manipulation-Statements/Load/CREATE-ROUTINE-LOAD.md ) command manual. Here is an example: 1. Access the Kafka cluster without authentication diff --git a/docs/en/docs/faq/data-faq.md b/docs/en/docs/faq/data-faq.md index ca5096e391..57cb1218d3 100644 --- a/docs/en/docs/faq/data-faq.md +++ b/docs/en/docs/faq/data-faq.md @@ -50,7 +50,7 @@ not support. The table of the Unique Key model is a business-friendly table. Because of its unique function of deduplication according to the primary key, it can easily synchronize business databases with frequently changed data. Therefore, many users will first consider using the Unique Key model when accessing data into Doris. -But unfortunately, the table of the Unique Key model cannot establish a materialized view. The reason is that the essence of the materialized view is to "pre-compute" the data through pre-computation, so that the calculated data is directly returned during the query to speed up the query. In the materialized view, the "pre-computed" data is usually some aggregated indicators, such as sum and count. At this time, if the data changes, such as udpate or delete, because the pre-computed data [...] +But unfortunately, the table of the Unique Key model cannot establish a materialized view. The reason is that the essence of the materialized view is to "pre-compute" the data through pre-computation, so that the calculated data is directly returned during the query to speed up the query. In the materialized view, the "pre-computed" data is usually some aggregated indicators, such as sum and count. At this time, if the data changes, such as update or delete, because the pre-computed data [...] ### Q4. tablet writer write failed, tablet_id=27306172, txn_id=28573520, err=-235 or -215 or -238 diff --git a/docs/zh-CN/docs/faq/data-faq.md b/docs/zh-CN/docs/faq/data-faq.md index ae7a126fdd..466463b3a6 100644 --- a/docs/zh-CN/docs/faq/data-faq.md +++ b/docs/zh-CN/docs/faq/data-faq.md @@ -50,7 +50,7 @@ Doris支持修改数据库名、表名、分区名、物化视图(Rollup)名 Unique Key模型的表是一个对业务比较友好的表,因为其特有的按照主键去重的功能,能够很方便的同步数据频繁变更的业务数据库。因此,很多用户在将数据接入到Doris时,会首先考虑使用Unique Key模型。 -但遗憾的是,Unique Key模型的表是无法建立物化视图的。原因在于,物化视图的本质,是通过预计算来将数据“预先算好”,这样在查询时直接返回已经计算好的数据,来加速查询。在物化视图中,“预计算”的数据通常是一些聚合指标,比如求和、求count。这时,如果数据发生变更,如udpate或delete,因为预计算的数据已经丢失了明细信息,因此无法同步的进行更新。比如一个求和值5,可能是 1+4,也可能是2+3。因为明细信息的丢失,我们无法区分这个求和值是如何计算出来的,因此也就无法满足更新的需求。 +但遗憾的是,Unique Key模型的表是无法建立物化视图的。原因在于,物化视图的本质,是通过预计算来将数据“预先算好”,这样在查询时直接返回已经计算好的数据,来加速查询。在物化视图中,“预计算”的数据通常是一些聚合指标,比如求和、求count。这时,如果数据发生变更,如update或delete,因为预计算的数据已经丢失了明细信息,因此无法同步的进行更新。比如一个求和值5,可能是 1+4,也可能是2+3。因为明细信息的丢失,我们无法区分这个求和值是如何计算出来的,因此也就无法满足更新的需求。 ### Q4. tablet writer write failed, tablet_id=27306172, txn_id=28573520, err=-235 or -215 or -238 --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org