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datax与多种数据库间数据类型映射

news 来源：原创 2024/5/5 14:26:56

一、背景

二、映射

1.Hive

2.HBase

3.MongoDB

4.Oracle

5.PostgreSQL

6.SqlServer

7.Mysql

8.ODPS

9.OSS

10.OTS

11. TSDB

12.ADB PG

13.ADS

14. Cassandra

15.DRDS

16.Phoenix

17.KingbaseES

一、背景

datax内置的enumType数据类型与不同数据库间都有些差异，本文整理出相应的映射关系，在配置自定义json时可以参考做一些类型转换

二、映射

1.Hive

DataX 数据类型	Hive表数据类型
Long	TINYINT,SMALLINT,INT,BIGINT
Double	FLOAT,DOUBLE
String	String,CHAR,VARCHAR,STRUCT,MAP,ARRAY,UNION,BINARY
Boolean	BOOLEAN
Date	Date,TIMESTAMP

2.HBase

DataX 数据类型	HBase 数据类型
Long	int, short ,long
Double	float, double
String	string,binarystring
Date	date
Boolean	boolean

3.MongoDB

DataX 数据类型	MongoDB 数据类型
Long	int, Long
Double	double
String	string, array
Date	date
Boolean	boolean
Bytes	bytes

4.Oracle

DataX 数据类型	Oracle 数据类型
Long	NUMBER,INTEGER,INT,SMALLINT
Double	NUMERIC,DECIMAL,FLOAT,DOUBLE PRECISION,REAL
String	LONG,CHAR,NCHAR,VARCHAR,VARCHAR2,NVARCHAR2,CLOB,NCLOB,CHARACTER,CHARACTER VARYING,CHAR VARYING,NATIONAL CHARACTER,NATIONAL CHAR,NATIONAL CHARACTER VARYING,NATIONAL CHAR VARYING,NCHAR VARYING
Date	TIMESTAMP,DATE
Boolean	bit, bool
Bytes	BLOB,BFILE,RAW,LONG RAW

5.PostgreSQL

DataX 数据类型	PostgreSQL 数据类型
Long	bigint, bigserial, integer, smallint, serial
Double	double precision, money, numeric, real
String	varchar, char, text, bit, inet
Date	date, time, timestamp
Boolean	bool
Bytes	bytea

6.SqlServer

DataX 数据类型	SqlServer 数据类型
Long	bigint, int, smallint, tinyint
Double	float, decimal, real, numeric
String	char,nchar,ntext,nvarchar,text,varchar,nvarchar(MAX),varchar(MAX)
Date	date, datetime, time
Boolean	bit
Bytes	binary,varbinary,varbinary(MAX),timestamp

7.Mysql

DataX 数据类型	Mysql 数据类型
Long	int, tinyint, smallint, mediumint, int, bigint, year
Double	float, double, decimal
String	varchar, char, tinytext, text, mediumtext, longtext
Date	date, datetime, timestamp, time
Boolean	bit, bool
Bytes	tinyblob, mediumblob, blob, longblob, varbinary

8.ODPS

DataX 数据类型	ODPS 数据类型
Long	BIGINT
Double	DOUBLE
String	STRING
Date	DATETIME
Boolean	Boolean

9.OSS

DataX 数据类型	OSS 数据类型
Long	Long
Double	Double
String	String
Boolean	Boolean
Date	Date

10.OTS

DataX 数据类型	OTS 数据类型
Long	Integer
Double	Double
String	String
Boolean	Boolean
Bytes	Binary

11. TSDB

DataX 数据类型	TSDB 数据类型
String	TSDB 数据点序列化字符串，包括 timestamp、metric、tags 和 value

12.ADB PG

DataX 数据类型	ADB PG 数据类型
Long	bigint, bigserial, integer, smallint, serial
Double	double precision, float, numeric, real
String	varchar, char, text
Date	date, time, timestamp
Boolean	bool

13.ADS

DataX 数据类型	ADS 数据类型
Long	int, tinyint, smallint, int, bigint
Double	float, double, decimal
String	varchar
Date	date
Boolean	bool

14. Cassandra

DataX 数据类型	Cassandra 数据类型
Long	int, tinyint, smallint,varint,bigint,time
Double	float, double, decimal
String	ascii,varchar, text,uuid,timeuuid,duration,list,map,set,tuple,udt,inet
Date	date, timestamp
Boolean	bool
Bytes	blob

15.DRDS

DataX 数据类型	DRDS 数据类型
Long	int, tinyint, smallint, mediumint, int, bigint
Double	float, double, decimal
String	varchar, char, tinytext, text, mediumtext, longtext
Date	date, datetime, timestamp, time, year
Boolean	bit, bool
Bytes	tinyblob, mediumblob, blob, longblob, varbinary

16.Phoenix

DataX 数据类型	Phoenix 数据类型
String	CHAR, VARCHAR
Bytes	BINARY, VARBINARY
Bool	BOOLEAN
Long	INTEGER, TINYINT, SMALLINT, BIGINT
Double	FLOAT, DECIMAL, DOUBLE,
Date	DATE, TIME, TIMESTAMP

17.KingbaseES

DataX 数据类型	KingbaseES 数据类型
Long	bigint, bigserial, integer, smallint, serial
Double	double precision, money, numeric, real
String	varchar, char, text, bit, inet
Date	date, time, timestamp
Boolean	bool
Bytes	bytea