Welcome to Alibaba Cloud and find out more detail about coalesce

This topic describes how to use the conditional function COALESCE in Realtime Compute. Syntax ...

) and coalesce. nvl(A, B) returns A if it judges A is not NULL, otherwise it returns B. The arguments have to be of the same type ...

) -- primary key ); create index idx_a_2 on a(c1, COALESCE(((prop ->> 'weight'::text))::float8, 0 ...

last_time=tbl_real_data.curr_time, curr_time=excluded.curr_time, d1=coalesce(excluded.d1,tbl_real_data.d1 ...

/x 1.5 ELSE false END; COALESCE ...

. false_value is optional. If it is not specified, NULL is returned. COALESCE The COALESCE function ...

, use the TRY function in conjunction with the COALESCE function. TRY can handle the following errors: Division by zeroInvalid ...

. Coalesce syntax Coalesce returns the first non-null value for multiple columns. Coalesce (value1, value2 ...

x - regexp_like(x, 'a+') x - x[1] / x[2] x - IF(x 0, x, -x) x - COALESCE(x, 0) x - CAST(x AS JSON) x - x + TRY(1 / 0 ...

COALESCE COALESCE COALESCE DECODE N/A DECODE ...