column_mapping column_mapping主要指mysql源表和doris目标表的列之间的映射关系,如果指定,写的列是目标表中的列,即:源表这些列导入到目标表对应哪些列;如果不指定,FE会默认源表和目标表的列按顺序一一对应。但是我们依然建议显式的指定列的映射关系,这样当目标表的结构发生变化(比如增加一个 nullable 的列),数据...
Network mapping ForVPC, select the same VPC that you selected for your instances. ForMappings, first select an Availability Zone, then choose a public subnet from its available subnets. You can only select one subnet per Availability Zone. To improve the availability of your load balancer, selec...
# Name: LoadData_Example.py# Description: Executes the LoadData_production function using a single feature class in the source and target workspaces# Requirements: Production Mapping extension# path to the cross reference databasecross_ref_db="C:/Program Files/ESRIDefenseMapping/Desktop10.2/Mgcp/Dat...
Network mapping For VPC, select the VPC that you used for your EC2 instances. If you selected Internet-facing for Scheme, only VPCs with an internet gateway are available for selection. If you selected Dualstack for IP address type, UDP listeners can not be added unless Enable prefix for IP...
For example, consider this XSD schema:XML Copy <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sql="urn:schemas-microsoft-com:mapping-schema"> <xsd:annotation> <xsd:appinfo> <sql:relationship name="OrderOD" parent="Ord" parent-key="OrderID" child="OrderDetail" child-...
For a detailed introduction of this part, please refer to Mapping, Transformation and Filtering of Columns document. DELETE ON expr It needs to be used together with MEREGE load mode, only for tables of Unique Key model. And it is used to specify the column and calculation relation of ...
*/ load_bias = ELF_ET_DYN_BASE - vaddr; if (current->flags & PF_RANDOMIZE) load_bias += arch_mmap_rnd(); load_bias = ELF_PAGESTART(load_bias); total_size = total_mapping_size(elf_phdata, loc->elf_ex.e_phnum); if (!total_size) { retval = -EINVAL; goto out_free_dentry...
columns_mapping 用于指定文件列和表中列的映射关系,以及各种列转换等。关于这部分详细介绍,可以参阅 [列的映射,转换与过滤] 文档。 (k1, k2, tmpk1, k3 = tmpk1 + 1) preceding_filter 过滤原始数据。关于这部分详细介绍,可以参阅 [列的映射,转换与过滤] 文档。 where_predicates 根据条件对导入的数据进行...
{ "TxnId": 1003, "Label": "example_label_1", "Status": "Success", "Message": "OK", "NumberTotalRows": 1000000, "NumberLoadedRows": 1000000, "NumberFilteredRows": 1, "NumberUnselectedRows": 0, "LoadBytes": 40888898, "LoadTimeMs": 2144, "BeginTxnTimeMs": 1, "StreamLoadPutTime...
Seaborn helps you explore and understand your data. Its plotting functions operate on dataframes and arrays containing whole datasets and internally perform the necessary semantic mapping and statistical aggregation to produce informative plots. Its dataset-oriented, declarativeAPIlets you focus on what th...