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Missing values are represented by the special value NULL. To import data with NULL fields, check documentation of the SerDe used by the table. (The default Text Format uses LazySimpleSerDe which interprets the string \N as NULL when importing.)

Allowed Implicit Conversions

 

void

boolean

tinyint

smallint

int

bigint

float

double

decimal

string

varchar

timestamp

date

binary

void to

true

true

true

true

true

true

true

true

true

true

true

true

true

true

boolean to

false

true

false

false

false

false

false

false

false

false

false

false

false

false

tinyint to

false

false

true

true

true

true

true

true

true

true

true

false

false

false

smallint to

false

false

false

true

true

true

true

true

true

true

true

false

false

false

int to

false

false

false

false

true

true

true

true

true

true

true

false

false

false

bigint to

false

false

false

false

false

true

true

true

true

true

true

false

false

false

float to

false

false

false

false

false

false

true

true

true

true

true

false

false

false

double to

false

false

false

false

false

false

false

true

true

true

true

false

false

false

decimal to

false

false

false

false

false

false

false

false

true

true

true

false

false

false

string to

false

false

false

false

false

false

false

true

true

true

true

false

false

false

varchar to

false

false

false

false

false

false

false

true

true

true

true

false

false

false

timestamp to

false

false

false

false

false

false

false

false

false

true

true

true

false

false

date to

false

false

false

false

false

false

false

false

false

true

true

false

true

false

binary to

false

false

false

false

false

false

false

false

false

false

false

false

false

true