Returns all keys in Map a as an array.Syntax array K map_keys(map K,V a)Parameters a:required.This parameter specifies a map.K and V in map K,V specify the keys and values of a map.Return value A value of the ARRAY type is...
Returns all values in Map a as an array.Syntax array V map_values(map K,V a)Parameters a:required.This parameter specifies a map.K and V in map K,V specify the keys and values of a map.Return value A value of the ARRAY ...
将MAP对象 a 的K、Value映射转换为STRUCT结构数组。命令格式 array struct K,V map_entries(map K,V a):参数说明 a：必填。MAP对象。map K,V 中的 K、V 指代MAP对象的Key、Value。返回值说明 返回STRUCT结构数组。如果输入为NULL，返回结果...
Filters the elements in map input based on the predicate condition.Syntax map K,V map_filter(map K,V input,function K,V,boolean predicate)Parameters input:required.A value of the MAP type.K and V in map K,V specify the ...
Merges Map input1 and Map input2 into a single map.The keys of the new map are the union of the keys of the two input maps.The value of each key of the new map is calculated by using func.Syntax K,V1,V2,V3 map K,V3 map_zip...
将多个结构数组组合成一个MAP对象。命令格式 map K,V map_from_entries([string mapDupKeyPolicy,]array struct K,V,struct K,V[,.])参数说明 mapDupKeyPolicy：可选。STRING类型。指定出现重复Key时的处理方式。取值范围如下：exception：...
map_keys(b)|map_values(b)|size(b)|size(map_keys(b))|size(map_values(b))|+-+-+-+-+-+|[1]|["a"]|2|1|1|+-+-+-+-+-+1 row in set(0.08 sec)SELECT map_keys(c),map_values(c),size(c),size(map_keys(c)),size(map_values(c))FROM map_...
MAP_FROM_ARRAYS函数用于将ARRAY数组 a 和 b 组合成一个MAP对象。命令格式 MAP K,V MAP_FROM_ARRAYS([STRING mapDupKeyPolicy,]ARRAY K a,ARRAY V b)参数说明 mapDupKeyPolicy：可选。STRING类型。指定出现重复Key时的处理方式。取值范围...
Map states allow users to apply the same operation to each element in an array to facilitate the processing of large amounts of data and management of workflows.Processing modes of Map states Map states support the ...
Heat maps use color depth to visualize the distribution and density of data.This topic describes how to add data and configure styles for a heat map.You can create heat maps only in the group spaces of the Premium and ...
对输入Map进行Union并对同一个Key的Value进行求和操作构造输出Map，如果某一个Key对应的Value为NULL，则将其转换为0。注意事项 升级到MaxCompute 2.0后，产品扩展了部分函数。如果您用到的函数涉及新数据类型（TINYINT、SMALLINT、INT、...
对输入Map进行Union操作构造输出Map，如果某一个Key在多个输入Map中都存在，则会随机只保留其中的一个。注意事项 升级到MaxCompute 2.0后，产品扩展了部分函数。如果您用到的函数涉及新数据类型（TINYINT、SMALLINT、INT、FLOAT、VARCHAR、...
使用输入的两个字段分别作为Key和Value来构造Map，以第一个字段作为Map的Key，以第二个字段作为Map的Value。如果key为NULL，则被忽略。如果Key的取值有重复，则会随机只保留其中的一个。注意事项 升级到MaxCompute 2.0后，产品扩展了部分...
A map container is a container used to host the map itself and its sub-components in a basic flat map.You can add sub-components such as the regional thermal layer and point thermal layer,configure the location,color,and ...
INT64 MAP INT32,FLOAT MAP INT32,DOUBLE MAP INT32,STRING MAP INT64,INT32 MAP INT64,INT64 MAP INT64,FLOAT MAP INT64,DOUBLE MAP INT64,STRING MAP STRING,INT32 MAP STRING,INT64 MAP STRING,FLOAT MAP STRING,DOUBLE MAP STRING,...
Introduce Baidu Map SDK Refer to Baidu Map official documentation to integrate the Map LBS SDK.Ensure the SDK version is 7.5.9 or higher.After adding the SDK,you must delete the libc+_shared.so file to prevent conflicts ...
By default,a tenant member is granted the permissions to access Data Map and view the metadata of all projects in Data Map.This topic describes permission management on metadata at different granularities.Introduction to ...
Double-click a province or municipality area or a prefecture-level area in the map to drill down and zoom in on the area to the middle of the map.Double-click the blank area of the map to drill up one level and locate and ...
This topic uses a basic flat map as an example to describe how to use the Regional Thermal Layer widget to customize map boundaries.Procedure Go to the DataV console.On the My Visualizations page,click Edit above the ...
A line map uses dynamic lines over a map outline to show data relationships between two or more regions.This topic describes how to add data to a line map and configure its style.Limits If you create a line map in Region ...
the Gaud online map becomes the basemap of the basic flat map.Important If multiple Autodesk layers exist on the same dashboard,you must configure the same Autodesk Key and Autodesk Key.Map Style ID Enter a map style ID in...
This topic describes the GCJ-02 coordinate system and the GeoJSON data format used by DataV map widgets.You can obtain the GCJ-02 coordinate of a location on the map.GCJ-02 coordinate system DataV map widgets use the GCJ-...
当您需要将字符串转换为Map类型以便查询和报表生成时，MaxCompute提供 STR_TO_MAP 函数，可以帮助您将数据转换为MAP格式，使用分隔符1（delimiter1）将目标字符串分割成Key-Value对，然后使用分隔符2（delimiter2）分割每个Key-Value对的...
This topic describes the GCJ-02 coordinate system and the GeoJSON data format used by DataV map widgets.You can obtain the GCJ-02 coordinate of a location on the map.GCJ-02 coordinate system DataV map widgets use the GCJ-...
A symbol map marks data points on a map using icons or images.This topic describes the use cases for symbol maps and how to configure their styles.Prerequisites A dashboard is created.For more information,see Create a ...
When you use the map widget,you can obtain the GeoJSON data of the geographic boundary and paste it to the Area Surface data interface of the Area Thermal Layer subwidget of Basic Flat Map.You can customize the border ...
When you use the map widget,you can obtain the GeoJSON data of the geographic boundary and paste it to the Area Surface data interface of the Area Thermal Layer subwidget of Basic Flat Map.You can customize the border ...
Simple Log Service allows you to display region information collected by the ip_to_country function in a world map.This topic describes how to configure a world map.Prerequisites Data is collected.For more information,see ...
A bubble map uses a map as a background and displays bubbles to represent data values.This visualization shows the size and distribution of data measures across different geographic areas.For example,you can use a bubble ...
you can configure the Display Base Map,Base Map Style,and Display Global Base Map settings.Display Base Map:Click the switch to show or hide the base map.Base Map Style:Select a style for the Amap base map.Display Global ...
A map container is a container used to host the map itself and its sub-components in a basic flat map.You can add sub-components such as the regional thermal layer and point thermal layer,configure the location,color,and ...