pub fn overlay_for_bytea(
s: &[u8],
new_sub_str: &[u8],
start: i32,
count: i32,
) -> Result<Box<[u8]>>Expand description
Replaces a range of bytes in a bytea value with another bytea.
statement error not positive
select overlay('\x616263'::bytea placing '\x313233'::bytea from 0);
query T
select overlay('\x616263'::bytea placing '\x313233'::bytea from 10);
----
\x616263313233
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 4 for 2);
----
\x61626331323366
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 4);
----
\x616263313233
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 2 for 4);
----
\x6131323366
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 2 for 7);
----
\x61313233
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 4 for 0);
----
\x616263313233646566
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 4 for -2);
----
\x6162633132336263646566
query T
select overlay('\x616263646566'::bytea placing '\x313233'::bytea from 4 for -1000);
----
\x616263313233616263646566