you can use a prediction and anomaly detection function to predict a time series curve as well as identify the Ksigma and quantiles of the errors between a predicted curve and an actual curve.Function list Function Description ts...
select a,sum(b),max(c),hop_start(ts,interval '1' minute,interval '2' minute)as window_start from MyTable group by a,hop(ts,interval '1' minute,interval '2' minute);修改window大小：'1' minute-'2' minute，该修改属于不兼容...
SELECT/*+_l_ts_min_(1000),_l_ts_max_(2001)*/c1,c3,c3_l_ts FROM t_test_versions_2 WHERE c1=1;返回结果：+-+-+-+|c1|c3|c3_l_ts|+-+-+-+|1|11|1000|+-+-+-+示例三：返回最新的N个版本的数据，需要指定_l_versions_(N)属性。SELECT/*+_l...
sec WITH(timescaledb.continuous)AS SELECT time_bucket('1 second',trade_ts)AS candle_ts,market_id,MIN(price)AS low,MAX(price)AS high,first(price,trade_ts)AS open,last(price,trade_ts)AS close,last(insert_ts,trade_ts)AS ...
with each curve limited to 1,440 points in time.Machine learning functions Category Function Description Time series Smooth function ts_smooth_simple Uses the Holt Winters algorithm to smooth time series data.ts_smooth_fir...
Add the window end attribute.After this modification,the deployment remains fully compatible with the state data.select a,sum(b),max(c),tumble_start(ts,interval '1' minute)as window_start,tumble_end(ts,interval '1' minute)...
ts)AS open,-1分钟内开盘价 LAST(price ORDER BY trade_ts)AS close,-1分钟内收盘价 SUM(amount)AS vol-1分钟内交易总量 FROM market_trades WHERE trade_ts='2025-06-01 00:00:00' AND trade_ts='2025-06-02 00:00:00' GROUP BY candle_ts...
watermark(stream_source_2.ts,interval 10 second)as ts2,stream_source_1.col1 as col1,stream_source_2.col2 as col2 FROM stream_source_1 INNER JOIN stream_source_2 ON stream_source_1.col1=stream_source_2.col1 AND ts1>=ts2 AND...
} } } 执行结果：Collector A并发更新后结果：ts:1597049266000,value:0.0 ts:1597049267000,value:1.0 ts:1597049268000,value:2.0 ts:1597049269000,value:3.0 ts:1597049270000,value:4.0 Collector B并发更新后结果：ts:1597049266000,...
POST接口，body内容*/String bodyString="{"param1":"value1","param2":"value2","param3":"value3"};String source=service+""+queryString+""+bodyString;用API Secret对source进行加密 String sign=new HmacUtils(HmacAlgorithms.HMAC_...
结果示例：|results|-|['latency','1.0']|['outflow','0.6265']|['status','0.2270']|ts_similar 函数格式一：select ts_similar(stamp,value,ts,ds)select ts_similar(stamp,value,ts,ds,metricType)参数说明一：参数 说明 取值 stamp ...
Queries the playlist that is generated by the streams ...5.520,1543895706389.ts#EXTINF:5.240,1543895706428.ts#EXTINF:13.320,1543895706468.ts#EXTINF:5.960,1543895706538.ts#EXTINF:6.520,1543895706561.ts#EXT-X-ENDLIST SDK Java
函数列表 函数 说明 ts_smooth_simple 默认平滑函数，使用Holt-Winters算法对时序数据进行滤波操作。ts_smooth_fir 使用FIR滤波器对时序数据进行滤波操作。ts_smooth_iir 使用IIR滤波器对时序数据进行滤波操作。ts_smooth_simple 函数格式...
原始SQL-源表1 CREATE TEMPORARY TABLE MyTable(a int,b bigint,c bigint,ts timestamp(3),proctime as proctime(),watermark for ts AS ts-interval '1' second)WITH('connector'='datagen');源表2 CREATE TEMPORARY TABLE MyTable2(a int...
问题描述 Quick BI的报表血缘分析功能中，查询出来的数据表中TS开头（如TS50452933）的表是什么含义，如何能查到实际使用的数据库表？问题原因 通过SQL方式创建的数据集会在数据库中生成一张TS开头的数据表，可以通过查看对应的数据集的...
输出-+-+-+-+-|a|b|ts|-+-+-+-+-|1|v3|2000|-+-+-+-+-插入ts为null的数据，不会更新 INSERT INTO VERSIONED(a,b,ts)VALUES(1,'v4',CAST(null as BIGINT));SELECT*FROM VERSIONED WHERE a=1;输出-+-+-+-+-|a|b|ts|-+-+-+-+-|1|v3|2000|-+-+-...
XML entity Dictionary Testing The ts_lexize function facilitates dictionary testing.ts_lexize(dict regdictionary,token text)returns text[]ts_lexize returns an array of lexemes if the input token is known to the dictionary,...
配置项 是否必填 示例值 说明-ts 是 不涉及 表示操作的表为时序表。t，-table 是 mytable 时序表名称。示例 使用mytable时序表。use-ts-t mytable 更新表 更新时序表的数据生命周期。命令格式 alter-ttl timeToLive-ts 配置项说明请参见下...
Execute the following statement to create a stored procedure named ts_proc_jobs to process the full-text search conditions in the ts_search_text column one by one and store the processing results in the proc_results table:...
原始query select a,b,ts from MyTable order by ts asc;完全兼容 select a,b from MyTable order by ts asc;不兼容的修改 当基于rowtime进行order by时，不支持变更select字段，属于不兼容变更。原始SQL。select a,b,c from MyTable order...
ARRAY['fat','rat'])→'cat':3 ts_filter(vector tsvector,weights"char"[])→tsvector Selects only elements with the given weights from the vector.ts_filter('fat:2,4 cat:3b,7c rat:5A':tsvector,'{a,b}')→'cat':3B 'rat':5A ts_...
second,formatDateTime(ts,'%F%R')as ts_minute,formatDateTime(ts,'%F%H')as ts_hour,formatDateTime(ts,'%F')as ts_day,formatDateTime(ts,'%G-%m')as ts_month,formatDateTime(ts,'%G')as ts_year,value from(select*from FB_ENERGY_...
问题描述 请求指定的目标文件中不包含 m3u8 文件或 ts 文件。问题原因 您发起了GetSignedPlaylist请求来获取m3u8文件中的每个ts文件签名后的URL，但是您在请求中指定的目标文件中未找到m3u8文件，也未找到ts文件，导致返回错误。问题示例 ...
问题描述 请求指定的目标文件中既包含 m3u8 文件又包含 ts 文件。问题原因 您发起了GetSignedPlaylist请求来获取m3u8文件中的每个ts文件签名后的URL，但是您在请求中指定的目标文件中既有m3u8文件，也有ts文件，导致返回错误。问题示例 ...
ts_breakout_detect 函数格式：select ts_breakout_detect(x,y,winSize)参数说明如下：参数 说明 取值 x 时间列，从小到大排列。格式为Unixtime时间戳，单位为秒。y 数值列，对应某时刻的数据。winSize 最小连续区间长度。最小值为3，最大...
{"payload":{"op":"u","ts_ms":1465491411815,"before":{"id":1004,"name":"Jane"},"after":{"id":1004,"name":"Anne"},"source":{"version":"v1.0","db":"ld-xxxx","namespace":"default","table":"customers","ts_ms":1465491411807 } },...
value1","ts":1637658286000},{"key":"value2","ts":1637658287000}]The details of the data records that you want to import to IoT Platform.The value is a JSON list.The list can contain up to 100 JSON objects.Each object must...