如果需要当做tinyint or smallint or bigint处理,需要在值后面分别添加后缀Y,S or L。 例如:100Y -> TINYINT, 100S -> SMALLINT, 100L -> BIGINT String Data Types 从0.14版本开始,Hive支持3种字符类型,见如下表格: Primitive - String Data Types char vs varchar char是固定长度的,不足用空格补齐; ...
Column type are used as column data types of Hive. They are as follows: 列类型用作Hive的列数据类型。 它们如下: Integral Types Integer type data can be specified using integral data types, INT. When the data range exceeds the range of INT, you need to use BIGINT and if the data range...
Hive中的数据类型指的是Hive表中的列字段类型。 Hive数据类型整体分为两个类别:原生数据类型(primitive data type)和复杂数据类型(complex data type)。 原生数据类型包括:数值类型、时间类型、字符串类型、杂项数据类型; 复杂数据类型包括:array数组、map映射、struct结构、union联合体。
name string,age int) partitioned by (province string, city string) row format delimited fields terminated by ","; ; load data local inpath '/usr/local/bigdata/apache-hive-3.1.2-bin/test' into table t_user_province_city partition(province='shanghai',city='pudong'); load data local inpat...
Complex Data Types Primitive Data Types可以进一步分为四类: Numeric Types String Types Date/Time Types Miscellaneous Types 这些数据类型和占用空间大小与Java/SQL primitive相似。 1. Hive数据类型 Primitive Data Types Numeric Data Types 整型包括tinyint、smallint、int和bigint,等价于Java的byte、short、int和...
函数名: bigint 包名: org.apache.spark.sql.catalyst.expressions.Cast 解释: bigint(expr AS type) - Casts the valueexprto the target data typetype. 强制转换为目标类型 函数名: bin 包名: org.apache.spark.sql.catalyst.expressions.Bin 解释: bin(expr) - Returns the string representation of the ...
The following table shows the mappings from Hive to Dremio data types. If there are additional Hive types not listed in the table, then those types are not supported in Dremio.
--提示当前库名--> <property> <name>hive.cli.print.current.db</name> <value>true</value> <description>Whether to include the current database in the Hive prompt.</description> </property> <!--查询输出显示列名--> <property> <name>hive.cli.print.header</name> <value>true</value> <...
This Hive syntax is used to create a DLI table. The main differences between the DataSource and the Hive syntax lie in the supported data formats and the number of suppor
source bigdata_env kinit User performing HetuEngine operations (If the cluster is in normal mode, skip this step.) Run the following command to log in to the catalog of the data source: hetu-cli --catalog Data source name --schema Database name For example, run the following command: ...