Optimizer Hints Optimizer Hints The Impala SQL supports query hints, for fine-tuning the inner workings of queries. Specify hints as a temporary workaround for expensive querie...
docker 部署 tip 1. 仅使用taier的web和ui镜像 caution tip 2. 使用docker-compose tip docker 部署 tip 注意:taier的docker镜像,目前是通过目录挂载的去加载datasourcex和chunjun,以下操作默认插件包都已经下载 以datasoucex为例 解压后目...
Partitioning for Impala Tables When to Use Partitioned Tables SQL Statements for Partitioned Tables Static and Dynamic Partitioning Clauses Refreshing a Single Partition Permis...
STRUCT Complex Type (Impala 2.3 or higher only) STRUCT Complex Type (Impala 2.3 or higher only) A complex data type, representing multiple fields of a single item. Frequently u...
COMPUTE STATS Statement COMPUTE STATS Statement The COMPUTE STATS statement gathers information about volume and distribution of data in a table and all associated columns and ...
STRUCT Complex Type (Impala 2.3 or higher only) STRUCT Complex Type (Impala 2.3 or higher only) A complex data type, representing multiple fields of a single item. Frequently u...