iceberg支持的数据类型

boolean

布尔型，True or false

int

32位有符号整形

Can promote to long

long

64位有符号整形

float

单精度浮点型

Can promote to double

double

双精度浮点型

decimal(P,S)

decimal

Scale is fixed and precision must be 38 or less

date

Calendar date without timezone or time

time

Time of day without date, timezone

Stored as microseconds

timestamp

Timestamp without timezone

Stored as microseconds

timestamptz

Timestamp with timezone

Stored as microseconds

string

Arbitrary-length character sequences

Encoded with UTF-8

fixed(L)

Fixed-length byte array of length L

binary

Arbitrary-length byte array

struct<...>

A record with named fields of any data type

list<E>

A list with elements of any data type

map<K, V>

A map with keys and values of any data type