Kafka实时入湖
get_json_object(cast(value as string),'$.id')as id,get_json_object(cast(value as string),'$.eventType')as eventType,get_json_object(cast(value as string),'$.bizCode')as bizCode 过滤ID字段值大于1000的数据。通过一个filter算...
ROUND
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
SIGN
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
FORMAT_NUMBER
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
HEX
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
CBRT
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
LOG2
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
LOG10
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
DEGREES
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
TRUNC
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
动态参数
AS double),CAST(1 AS bigint))AS distance FROM store,unnest(store.sub_table)WHERE MATCHINDEX('shop',?AND QUERY(name,?kvpair参数：kvpair=.;iquan.plan.cache.enable:true;iquan.plan.prepare.level:jni.post.optimize;dynamic_...
动态参数
AS double),CAST(1 AS bigint))AS distance FROM store,unnest(store.sub_table)WHERE MATCHINDEX('shop',?AND QUERY(name,?kvpair参数：kvpair=.;iquan.plan.cache.enable:true;iquan.plan.prepare.level:jni.post.optimize;dynamic_...
RADIANS
50,-1,-1BD,null,'50'),(-60,6,1.5,1.5BD,cast(1.5 as float),'-50'),(-1,-70,-7.5,-7.5BD,cast(-7.5 as float),null),(-80,1,-10.2,-10.2BD,cast(-10.2 as float),'-1'),(9,-90,2.58,2.58BD,cast(2.58 as float),'0'),(-100,10,-5.8,-5.8...
性能调优
是否允许使用宽松的CAST 通过 ots-loose-cast=true/false 设置SQL中是否允许使用宽松的CAST，例如是否允许将LONG转换为DOUBLE或者将DOUBLE转换为LONG，默认值为FALSE。DLA属于强类型系统，如果底层Tablestore中某字段类型为BIGINT，上层DLA...
SPL与SQL的使用场景对照
project-away-wildcard"_tag_:*"数据规整（调用SQL函数）转换数据类型、时间解析等 select cast(Status as BIGINT)as Status,date_parse(Time,'%Y-%m-%d%H:%i')AS Time 转换数据类型、时间解析等|extend Status=cast(Status as BIGINT),...
联合日志服务查询分析智能接入网关流量
0 then(CAST(replace(bytes,'K')AS double)*1024)else CAST(bytes AS double)end as bytes,srcaddr,srcport,dstaddr,dstport,protocol from log limit 100000)GROUP BY srcaddr,dstaddr,srcport,dstport,protocol ORDER BY bytes DESC ...
Teradata应用迁移至AnalyticDB PostgreSQL
需要修改的语法如下所示：cast Teradata支持如下的cast语法：cast(XXX as int format '999999')cast(XXX as date format 'YYYYMMDD')而云原生数据仓库PostgreSQL版支持如下cast语法：cast(XXX as int)cast(XXX as date)云原生数据仓库...
转换函数
本文介绍了 PolarDB-X 支持的转换函数。PolarDB-X 支持如下转换函数：函数名 描述 示例 BINARY 将字符串s转换为...输出：>RUNOOB CAST(x AS type)转换数据类型 字符串日期转换为日期：SELECT CAST("2017-08-29"AS DATE);输出：>2017-08-29
普通模式和Hive兼容模式下SQL的差异
select cast((a&b)as string)from values(-9223372036854775807L,-9223372036854775792L)t(a,b);返回NULL Hive兼容模式 set odps.sql.hive.compatible=true;select cast((a&b)as string)from values(-9223372036854775807L,-...
BASE64
使用示例 示例1：将 cast('alibaba' as binary)二进制结果转换为BASE64编码格式字符串。命令示例如下：返回YWxpYmFiYQ=。select base64(cast('alibaba' as binary));示例2：输入参数为NULL。命令示例如下：返回NULL。select base64(null);...
ISNAN
语法 BOOLEAN ISNAN(DOUBLE d)BOOLEAN ISNAN(FLOAT f)入参 参数 数据类型 d DOUBLE f FLOAT 示例 测试数据 表 1.T1 d f 0.1 0.1 0 0 测试语句 SELECT ISNAN(CAST(d AS DOUBLE))as d1,ISNAN(CAST(f AS FLOAT))as d2 FROM T1;测试结果 d1...
扫描（Scan）分析概述
SELECT avg(cast(latency AS bigint))AS '平均延时',api GROUP BY api 扫描分析模式下，日志服务通过扫描方式提取SQL语句中所有字段对应的日志，已有的字段索引不生效。例如已为 status 字段创建long类型的字段索引，如果在扫描模式下使用...
其他函数
本文为您提供SQL分析支持的CAST、DECODE、LEAST等函数的命令格式、参数说明及示例。函数 功能 BETWEEN AND表达式 筛选满足区间条件的数据。CASE WHEN表达式 根据表达式的计算结果，灵活地返回不同的值。CAST 将表达式的结果转换为目标数据...
开通操作日志功能
topic_:DMS_LOG_DELIVERY AND subModule:LOGIN|SELECT concat(cast(operUserId as varchar),'(',operUserName,')')user,COUNT(*)cnt FROM dmstest WHERE state='0' GROUP BY operUserId,operUserName ORDER BY cnt DESC LIMIT 10;...
使用SSMS迁移上云
不会增长' END AS[增量模式],CASE WHEN A.growth>0 AND is_percent_growth=0 THEN cast(cast(a.growth*1.0/128as decimal(12,0))AS VARCHAR)+'MB' WHEN A.growth>0 AND is_percent_growth=1 THEN cast(cast(a.growth AS decimal(12,0))AS ...
重载子程序
DBMS_OUTPUT.PUT_LINE(add_it(CAST('25.3333' AS DOUBLE PRECISION),CAST('50.3333' AS DOUBLE PRECISION)));END;下面是从匿名块显示的输出：add_it BINARY_INTEGER:75.0000 add_it NUMBER:75.6666 add_it NUMBER:75.6666 add_it REAL:75....
typeconv-query
如果在 pg_cast 目录中找到一个，那么把表达式存储到目标列中之前把它应用到表达式。这样一个造型的实现函数总是采用一个额外的 integer 类型的参数，它接收目标列的 atttypmod 值（通常是它被声明的长度，尽管对于不同数据类型 atttypmod ...
ARRAY_EXCEPT
找出在ARRAY数组 a 中，但不在...select array_except(cast(array()as array),cast(array()as array));相关函数 ARRAY_EXCEPT函数属于复杂类型函数，更多对复杂类型数据（例如ARRAY、MAP、STRUCT、JSON数据）的处理函数请参见 复杂类型函数。
查询文件
最大值，最小值 select AVG(cast(_6 as double)),SUM(cast(_6 as double)),MAX(cast(_6 as double)),MIN(cast(_6 as double))from ossobject 返回第1列和第3列连接的字符串中以'Tom'为开头以’Anderson‘结尾的所有记录 select*from ...
缺失值填充
boolean,cast('2016-07-03 10:00:00' as datetime)as col_datetime from dual union all select '03' as col_string,12 as col_bigint,cast(null as double)as col_double,False as col_boolean,cast('2016-07-04 10:00:00' as datetime)as...
DBMS_OBFUSCATION_TOOLKIT
data-tag="codeblock"outputclass="language-sql"class="pre codeblock language-sql">SELECT DBMS_OBFUSCATION_TOOLKIT.MD5(input=>utl_raw.cast_to_raw('a'))FROM dual;md5-\x0cc175b9c0f1b6a831c399e269772661(1 row)SELECT DBMS_...
UTL_RAW
cast_to_raw-\x4142434445464748494a4b4c4d4e4f505152535455565758595a(1 row)CAST_TO_VARCHAR2 Function 该函数将一个RAW类型的输入转为对应的VARCHAR2类型输出。语法 UTL_RAW.CAST_TO_VARCHAR2(r IN RAW)RETURN VARCHAR2;参数说明 参数 ...
Lambda表达式
10.25 cast(row(0.0,0)AS row(sum double,count integer)),(s,x)->cast(row(x+s.sum,s.count+1)AS row(sum double,count integer)),s->if(s.count=0,null,s.sum/s.count))*|SELECT reduce(array[2147483647,1],cast(0 AS bigint),(s,x)->s+...
JSON数据列展开
结果：+-+-+|a|b|+-+-+|1|2|3|4|+-+-+SQL示例2：SELECT t.m AS_col1,t.n AS_col2 FROM(SELECT cast(json_extract('{"x":[{"a":1,"b":2},{"a":3,"b":4}]}','$.x')AS array)AS array_1,cast(json_extract('{"x":[{"a":5,"b":6},{"a":7,"b":8}...
查询和分析JSON日志的常见问题
and response:SUCCESS|SELECT item,count(1)AS cnt FROM(SELECT orderinfo FROM log,unnest(cast(json_extract(request,'$.param.orders')AS array(json)))AS t(orderinfo)),unnest(cast(json_extract(orderinfo,'$.commodity')AS array...
SYM_DECRYPT
对id_card_no解密 insert overwrite table mf_user_info select id,name,gender,cast(sym_decrypt(unbase64(id_card_no),cast('b75585cf321cdcad42451690cdb7bfc4' as binary))as string)as id_card_no,tel from mf_user_info;查询解密后的...
ValueTransferRule
optional VariantType cast_type=2;} 名称 类型 是否必选 描述 regex string 是 正则表达式，用于匹配字符串。正则表达式必须满足以下条件：长度不能超过256个字节。支持perl regular语法。支持单字节正则表达式。不支持中文的正则匹配。...
使用Python SDK的SelectObject查询CSV和JSON文件
返回所有第2列时间大于2018-08-09 11:30:25且第3列大于200的记录 select*from ossobject where_2>cast('2018-08-09 11:30:25' as timestamp)and_3>200 返回第2列浮点数的平均值、总和、最大值、和最小值 select AVG(cast(_2 as double)),...
在日志服务SLS中查询、分析DMS的操作日志
topic_:DMS_LOG_DELIVERY|SELECT concat(cast(operUserId as varchar),'(',operUserName,')')user,COUNT(*)cnt FROM dmstest WHERE state='0' and requestIp in('127.0.0.1')GROUP BY operUserId,operUserName ORDER BY cnt DESC LIMIT 10;...
RDS SQL Server CPU使用率高问题排查
CAST(MAX([W1].[Percentage])AS DECIMAL(5,2))AS[Percentage],CAST((MAX([W1].[WaitS])/MAX([W1].[WaitCount]))AS DECIMAL(16,4))AS[AvgWait_S],CAST((MAX([W1].[ResourceS])/MAX([W1].[WaitCount]))AS DECIMAL(16,4))AS[AvgRes_S],CAST(...
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