a value of 5 indicates that the function returns the approximate frequencies of the top 5 most frequent values.x The value must be of the varchar type.Return value type map(varchar,bigint)Example Retrieve the three most ...
use a forward slash(/)as the value of the CanonicalURI parameter.If the API style is ROA,encode the value of the path parameter in the metadata of the API operation and use the encoded value as the value of the ...
'2015-09-01' Resources:Mock:Type:MockResource Properties:Prop1:Fn:Select:key-key1:value1 key2:value2 Fn:GetJsonValue 当输入为一个JSON字符串时，您可以调用Fn:GetJsonValue获取第一层的key所对应的value。更多信息，请参见 Fn:...
value pairs in Map a into a struct array.Syntax array struct K,V map_entries(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 struct ...
Returns the number of key-value pairs in a map.Usage notes An array as the input:Calculates the number of elements in Array a.A map as the input:Calculates the number of key-value pairs in Map b.Syntax int size(array T a)...
Returns the number of key-value pairs in a map.Usage notes An array as the input:Calculates the number of elements in Array a.A map as the input:Calculates the number of key-value pairs in Map b.Syntax int size(array T a)...
value Map格式，保存端口的配置信息。当输入端为MaxCompute表类型时，此时location_type为MaxComputeTable，value包含project、table、endpoint字段，依次分别表示表所属的MaxCompute项目、MaxCompute表名、MaxCompute的endpoint。from pai...
Calculates the union of multiple maps.Syntax map K,V map_concat([string mapDupKeyPolicy,]map K,V a,map K,V b[,.])Parameters mapDupKeyPolicy:optional.A value of the STRING type.This parameter specifies the method that is ...
true score:1 value:"3.000000"} 查询和分析语句*|select key,count(*)AS count FROM log,UNNEST(try_cast(json_parse(result)as map(varchar,varchar)))AS t(key,value)GROUP BY key 查询和分析结果 示例6 使用histogram函数获取各个请求...
√map_agg function map_agg(x,y)Returns a map that is created by using x and y.x is the key in the map.y is the value of the key in the map.If y has multiple values,a random value is extracted as the value of the key.√map_...
将MAP对象 a 中的所有Value生成ARRAY数组。命令格式 array V map_values(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ARRAY类型。输入MAP对象为NULL时，返回结果为NULL。使用示例 ...
Transforms the values in Map input by using func.The keys in the map are not changed.Syntax map K,V2 transform_values(map K,V1 input,function K,V1,V2 func)Parameters input:required.This parameter specifies a map.K and V1 ...
dict_map Maps the value of an input field to a value in a specified data dictionary and returns a new field.e_table_map Maps the value of an input field to a row in a specified table and returns a new field.e_tablestore_...
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...
void write(Record key,Record value)Map写记录到中间结果，可以在Map函数中多次调用。可以在Map端多次调用。BufferedInputStream readResourceFileAsStream(String resourceName)读取文件类型资源。Iterator Record readResourceTable...
例如：{“priority”:“888853d622cc8eae793e085e27”} fieldId 的可选值为"获取项目模板"接口返回的字段 type 值为 CustomField 的字段，value 为希望更新的值 map[priority:888853d622cc8eae793e085e27]description string body 否 描述 ...
Returns a map that is created by using a and b.a is the key in the map.b is the value of the key in the map.If the key in the map is null,the key is ignored.If the key field has duplicate values,one of the values is ...
param iType 原始值类型*@map 转换规则映射map*@value 点位数值*/*iType 的值为 'value'和 'range'，其中value 表示普通数值转换，range 表示区间数值转换，[]表示区间包含起始值，（）表示区间不包含起始值。map 是转换规则的map对象。123...
Transforms the keys in Map input by using func.The values in the map are not changed.Syntax map K2,V transform_keys([string mapDupKeyPolicy,]map K1,V input,function K1,V,K2 func)Parameters mapDupKeyPolicy:optional.A value ...
This function constructs a map by using two input fields as the key and value.The first field is used as the key of the map.All values of the second field that have the same key are constructed into an array as the value ...
Value pairs.MAP_CONCAT Returns the union of multiple MAPs.MAP_ENTRIES Transforms Key-Value mappings in a MAP into a struct array.MAP_FILTER Filters elements in a MAP.MAP_FROM_ARRAYS Constructs a MAP from a given array.MAP_...
Drag the slider to set the metal texture on the side of the honeycomb layer.The value range is from 0 to 100.Texture Map:Set the style of the side texture map.Glow Map:Set the style of the side glow map.Click the icon to ...
FAIL:An error is returned if a key value in the map is null.DROP:Data whose key value is null in the map is discarded.LITERAL:A string constant is used to replace a null key value in the map.The value of the string ...
data=[{"StartTime":str(start_time),"EndTime":str(end_time),"Entities":[{"Key":key,"Value":str(value)} for key,value in entities_map.items()]}]metering_str=json.dumps(metering_data)#动态获取地域 ID 并构建 URL region_id=get_...
本文为您介绍如何使用Flink计算 表格存储（Tablestore...将源表数据插入到结果表 INSERT INTO tablestore_sink select measurement,datasource,tag_a,`time`,binary_value,bool_value,double_value,long_value,string_value,tag_b,tag_c,tag_...
FAIL:An error is returned if a key value in the map is null.DROP:Data whose key value is null in the map is discarded.LITERAL:A string constant is used to replace a null key value in the map.The value of the string ...
FAIL:An error is returned if a key value in the map is null.DROP:Data whose key value is null in the map is discarded.LITERAL:A string constant is used to replace an empty key value in a map.The value of the string ...
本文为您介绍如何分别通过Java UDF和Python UDF实现获取不包含分隔符的键值对字符串中指定Key对应的Value值。命令说明 本示例将注册一个名称为 UDF_EXTRACT_KEY_VALUE 的自定义函数，下面对命令格式和入参进行说明。命令格式：STRING UDF_...
对于MapOnly的作业，Map直接将 Key,Value 信息输出到MaxCompute的表中。您只需要指定输出表即可，无需指定Map输出的Key/Value元信息。前提条件 已通过 快速入门 完成测试所需环境配置。测试准备 准备好测试程序的JAR包，假设名字为 ...
the minimum value is automatically calculated to ensure the even distribution of the scale of the axis.Maximum Value:the maximum value of the scale on an axis.The default value is Maximum Data Value.This value indicates ...
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 ...
the minimum value is automatically calculated to ensure the even distribution of the scale of the axis.Maximum Value:the maximum value of the scale on an axis.The default value is Maximum Data Value.This value indicates ...
degree.Intensity:Drag the slider to adjust the intensity of the environment map.The value range is from 0 to 5.Ambient light The effect of ambient light is to uniformly illuminate all objects without creating shadows.Click...
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 ...
degree.Intensity:Drag the slider to adjust the intensity of the environment map.The value range is from 0 to 5.Ambient light The effect of ambient light is to uniformly illuminate all objects without creating shadows.Click...
void setAggregateTags(List String aggregateTags)void setDps(LinkedHashMap Long,Number dps)void setMetric(String metric)void setTags(Map String,String tags)从类继承的方法 com.aliyun.hitsdb.client.value.JSONValue appendJSON,...
anchor Extracts strings by using the rules specified by anchor_rules.Mapping and enrichment functions e_dict_map Maps the value of an input field to a value in a specified dictionary and returns a new field.e_table_map ...
Creates a map based on Array a and Array b.Syntax map K,V map_from_arrays([string mapDupKeyPolicy,]array K a,array V b))Parameters mapDupKeyPolicy:optional.A value of the STRING type.This parameter specifies the method ...
参数：参数 类型 描述 是否必填 key const char*要获取的全局属性key 是 value char*要获取的全局属性value 是 size int 全局属性value长度 是 示例：/大小根据需求设定 char value[64]={ 0 };qtInterface-getGlobalProperty("key",value,...