Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
date 非DATE、DATETIME、TIMESTAMP或STRING类型或为NULL时，返回NULL。示例 select extract(year from '2019-05-01 11:21:00')year,extract(month from '2019-05-01 11:21:00')month,extract(day from '2019-05-01 11:21:00')day,extract...
Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
} } } } 执行上述代码，得到以下结果：1，2，3，hello1，5，6.01，7.02，8.03，01:02:01，1986-10-01 01:02:03.0，2018-11-29 14:04:28.305，hello，2018-09-07，null，null，2，Php <?php $mysqli=new mysqli("fakee....
Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
type` varchar(20)DEFAULT NULL,`Storage_mode` varchar(20)DEFAULT NULL,`Storage_engine` varchar(64)DEFAULT NULL,`Storage_media` varchar(20)DEFAULT NULL,`Storage_schema_name` varchar(64)DEFAULT NULL,`Storage_table_name` ...
始终为 NULL。def_pct_free NUMERIC 仅为了实现兼容性而提供。始终为 NULL。def_pct_used NUMERIC 仅为了实现兼容性而提供。始终为 NULL。def_ini_trans NUMERIC 仅为了实现兼容性而提供。始终为 NULL。def_max_trans NUMERIC 仅为了实现...
def_tablespace_name 该列始终为NULL。def_pct_free 该列始终为NULL。def_pct_used 该列始终为NULL。def_ini_trans 该列始终为NULL。def_max_trans 该列始终为NULL。def_initial_extent 该列始终为NULL。def_next_extent 该列始终为NULL。...
Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
dla_table_2 CREATE EXTERNAL TABLE IF NOT EXISTS dla_table_2(customer_id bigint NOT NULL COMMENT '',order_id varchar NOT NULL COMMENT '',order_time date NOT NULL COMMENT '',order_amount double NOT NULL COMMENT '',order_type...
centralmoment4|sum|sum2|sum3|sum4|col1|string|2|2|0|0|0|0|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|NULL|col2|bigint|2|2|0|0|0|0|1|2|1.5|0.5|0.7071067811865476|0.5|0|-2|2.5|4.5|8....
修改列 NULLABLE 属性 MySQL 数据库 非约束情况下，支持通过 CHANGE/MODIFY COLUMN 将 NULLABLE 修改为 NOT NULL，支持修改 NOT NULL->NULLABLE、NULLABLE->NULLABLE、NOT NULL->NOT NULL。重要 如果 NULLABLE 情况下存在 NULL 的数据，将...
id|A|0|NULL|NULL|YES|BTREE|t_order|0|g_i_buyer|1|buyer_id|NULL|0|NULL|NULL|YES|GLOBAL|INDEX|t_order|1|g_i_buyer|2|id|NULL|0|NULL|NULL|GLOBAL|COVERING|t_order|1|g_i_buyer|3|order_id|NULL|0|NULL|NULL|YES|GLOBAL|COVERING|t_...
id|A|0|NULL|NULL|YES|BTREE|t_order|0|g_i_buyer|1|buyer_id|NULL|0|NULL|NULL|YES|GLOBAL|INDEX|t_order|1|g_i_buyer|2|id|NULL|0|NULL|NULL|GLOBAL|COVERING|t_order|1|g_i_buyer|3|order_id|NULL|0|NULL|NULL|YES|GLOBAL|COVERING|t_...
TIME:0.036,ROW_COUNT:10-TABLE INFO-nid|title|price|brand|size|color|1|null|3599|Huawei|5.9|null|2|null|4388|Huawei|5.5|null|3|null|899|Xiaomi|5|null|4|null|2999|OPPO|5.5|null|5|null|1299|Meizu|5.5|null|6|null|169|Nokia|1.4...
CREATE TABLE PART(P_PARTKEY INTEGER NOT NULL,P_NAME VARCHAR(55)NOT NULL,P_MFGR CHAR(25)NOT NULL,P_BRAND CHAR(10)NOT NULL,P_TYPE VARCHAR(25)NOT NULL,P_SIZE INTEGER NOT NULL,P_CONTAINER CHAR(10)NOT NULL,P_RETAILPRICE NUMERIC...
null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_ERROR",...
如果任一输入ARRAY数组为NULL，返回结果为NULL。返回STRING类型。如果没有参数或任一参数为NULL，返回结果为NULL。使用示例 示例1：连接ARRAY数组 array(10,20)和 array(20,-20)。命令示例如下。返回[10,20,20,-20]。select concat(array...
key|value|value_group|+-+-+-+|1|99|NULL|2|100|NULL|3|199|NULL|4|200|NULL|5|499|NULL|6|500|NULL|7|501|NULL|8|NULL|NULL|+-+-+-+相关函数 WIDTH_BUCKET函数属于数学函数，更多数据计算、数据转换的相关函数请参见 数学函数。
2)NOT NULL,`tax` decimal(10,2)NOT NULL,`shipping` decimal(10,2)NOT NULL,`total` decimal(10,2)NOT NULL,`address` varchar(200)NOT NULL,`city` varchar(100)NOT NULL,`state` varchar(50)NOT NULL,`country` varchar(50)NOT NULL,`...
null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_ERROR",...
CREATE TABLE `r_t2`(`a` bigint(20)UNSIGNED NOT NULL,`b` bigint(20)UNSIGNED NOT NULL,`c` datetime NOT NULL,`d` varchar(16)NOT NULL,`e` varchar(16)NOT NULL)ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 PARTITION BY RANGE(YEAR(`c`))...
返回值说明 返回拼接后的字符串，如果任一输入参数值为NULL，则函数结果返回NULL。支持的计算引擎 MaxCompute(ODPS)、MYSQL、RDS、HIVE、AnalyticDB PostgreSQL(ADB_PG)、POLAR_PG、POSTGRESQL、SPARK。CONCAT_WS 函数说明 将参数中的多个...
创建HASH-HASH二级分区 模板化用法 CREATE TABLE tb_h_h_tp(id bigint not null auto_increment,bid int,name varchar(30),birthday datetime not null,primary key(id))PARTITION BY HASH(bid)PARTITIONS 2 SUBPARTITION BY HASH(id)...
Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"Contact the administrator.","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_...
CREATE TABLE `r_t2`(`a` bigint(20)UNSIGNED NOT NULL,`b` bigint(20)UNSIGNED NOT NULL,`c` datetime NOT NULL,`d` varchar(16)NOT NULL,`e` varchar(16)NOT NULL)ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 PARTITION BY RANGE(YEAR(`c`))...
str1、str2、start_position 或 nth_appearance 值为NULL时，返回NULL。示例 示例1：计算字符 e 在字符串 Tech on the net 中的位置。命令示例如下。返回2。select instr('Tech on the net','e');示例2：计算子串 on 在字符串 Tech on the ...
coalesce(null,null,null,null);UUID 命令格式 string uuid()命令说明 返回一个随机ID，格式为 29347a88-1e57-41ae-bb68-a9edbdd9*。说明 UUID返回的是一个随机的全局ID，其重复的概率很小。CASE WHEN表达式 命令格式 提供以下两种 case ...
10-TABLE INFO-nid|title|price|brand|size|color|1|null|3599|Huawei|5.9|null|2|null|4388|Huawei|5.5|null|3|null|899|Xiaomi|5|null|4|null|2999|OPPO|5.5|null|5|null|1299|Meizu|5.5|null|6|null|169|Nokia|1.4|null|7|null|3599|...
10-TABLE INFO-nid|title|price|brand|size|color|1|null|3599|Huawei|5.9|null|2|null|4388|Huawei|5.5|null|3|null|899|Xiaomi|5|null|4|null|2999|OPPO|5.5|null|5|null|1299|Meizu|5.5|null|6|null|169|Nokia|1.4|null|7|null|3599|...
本文为您介绍如何使用KEYVALUE函数，将目标字符串按照split1分隔符拆分成Key-Value（KV）对，然后按照split2分隔符将Key-Value对分开，返回Key对应的Value。使用限制 仅实时计算引擎VVR 3.0...测试结果 result(VARCHAR)v2 NULL NULL NULL NULL
表 1.AND/OR真值表 a b a AND b a OR b True True True True True False False True True Null Null True False False False False False Null False Null Null Null Null Null 表 2.NOT真值表 a NOT a True False False True Null Null ...
AUListDialog（原 APListPopDialog）提供一个带标题、选项列表、确认、取消按钮的列表型对话框。每一个选项用 PopMenuItem 表示，包含图标、选项名称、选中...new AUListDialog("标题文字",items,true,"确定",null,"取消",null,this).show();
null"},"Reason":"null","ReasonMcmsKey":"null","ReasonMcmsContext":{"key":"null"},"Proposal":"null","ProposalMcmsKey":"null","ProposalMcmsContext":{"key":"null"},"UpstreamErrorDetail":"null"},"Code":"INNER_ERROR","Message...
CREATE TABLE ORDERS(O_ORDERKEY BIGINT NOT NULL PRIMARY KEY,O_CUSTKEY INT NOT NULL,O_ORDERSTATUS TEXT NOT NULL,O_TOTALPRICE DECIMAL(15,2)NOT NULL,O_ORDERDATE timestamptz NOT NULL,O_ORDERPRIORITY TEXT NOT NULL,O_CLERK TEXT ...
null MessageMcmsContext object 用于填充 MessageMcmsKey 中的占位符。string 用于填充 MessageMcmsKey 中的占位符。null Reason string 错误原因。null ReasonMcmsKey string 错误原因的 Key。null ReasonMcmsContext object 错误原因的...
示例2：计算ARRAY数组 array(10,20,20,30,30,null,null)和 array(30,30,20,20,40,null,null)的交集，并去掉重复元素。命令示例如下。返回[20,30,null]。select array_intersect(array(10,20,20,30,30,null,null),array(30,30,20,20,40,null...
x y x AND y x OR y NOT x true true true true false true false false true false true null null true false false true false true true false false false ...true null true null null false false null null null null null null null
CREATE TABLE customer(customer_id bigint NOT NULL COMMENT '顾客ID',customer_name varchar NOT NULL COMMENT '顾客姓名',phone_num bigint NOT NULL COMMENT '电话',city_name varchar NOT NULL COMMENT '所属城市',sex int NOT NULL ...