{ // sql可以直接在代码中编写,复杂sql建议在xml中定义 // 单表entity查询场景下sql字段可以写成java类的属性名称 return findPageEntity(pageModel, StaffInfoVO.class, EntityQuery.create() .where("#[staffName like :staffName]#[and createTime>=:beginDate]#[and createTime<=:endDate]") .values(...
create tableifnot existsdwd_category_by_day(`i_category`string,`cate_sales`double,`cayehory_day_order_cnt`bigint)partitionedby(`year`bigint,`day`bigint)TBLPROPERTIES('sink.partition-commit.policy.kind'='metastore,success-file');--创建源表settable.sql-dialect=default;create tableifnot existss...
': 'SELECT COUNT(*) FROM tracks WHERE AlbumId = 5;', 'Find the total number of invoices.': 'SELECT COUNT(*) FROM invoices;', 'List all tracks that are longer than 5 minutes.': 'SELECT * FROM tracks WHERE Milliseconds > 300000;', 'Who are the top 5 customers by total purchase...
<trim prefix="values ("suffix=")"suffixOverrides=","> <iftest="sname != null">#{sname},</if> <iftest="spwd != null">#{spwd},</if> <iftest="sex != null">#{sex},</if> <iftest="phone != null">#{phone}</if> </trim> </insert> <include refid="selectvp"/>WHERE sid...
Sorted Strings Table (borrowed from google) is a file of key/value string pairs, sorted by keys. "An SSTable provides a persistent,ordered immutable map from keys to values, where both keys and values are arbitrary byte strings. Operations are provided to look up the value associated with a...
集合查找函数: find_in_set 返回str在strlist第一次出现的位置,strlist是用逗号分割的字符串。如果没有找该str字符,则返回0 select find_in_set('data', 'certified,data,analyst'); select find_in_set('mysql','certified,data,analyst'); 正则表达式替换函数:regexp_replace将字符串A中的符合java正则表...
--Find all Products with a list price less than 150.00 and from @ProductBusinessEntityID = 1498EXEC Production.uspSearchList @ListPrice = 150, @ProductBusinessEntityID = 1498;--Find all Products with a list price less than 150.00 and in the ProductSubCategoryID = 36 and from @Product...
public List findAll(){ String sql = "select * from 管理员信息表"; ResultSet rs = null; //创建List集合 List list = new ArrayList(); try{ PrepatedStatement ps = util.creatStatement(); rs = ps.executeQuery(); while(rs.next()){ ...
SQL单表查询 一、单表查询的语法 select列名1,列名2... from 表名 where 条件 group by field having 筛选 order by field limit 限制条数 二、关键字的执行优先级 from where group by having select d
CF_UNABLE_TO_LIST_EFFICIENTLY、CF_UNEXPECTED_READ_LIMIT、CF_UNKNOWN_READ_LIMIT、DELTA_CANNOT_FIND_BUCKET_SPEC、DELTA_CLUSTERING_COLUMN_MISSING_STATS、DELTA_CLUSTERING_CREATE_EXTERNAL_NON_LIQUID_TABLE_FROM_LIQUID_TABLE、DELTA_COMPACTION_VALIDATION_FAILED、DELTA_CONVERT_TO_DELTA_ROW_TRACKING_WITHOUT_STATS...