github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/sem/tree/testdata/eval/concat (about) 1 # String concatenation. 2 3 eval 4 'a' || 'b' 5 ---- 6 'ab' 7 8 eval 9 'a' || (1 + 2)::char 10 ---- 11 'a3' 12 13 eval 14 b'hello' || 'world' 15 ---- 16 '\x68656c6c6f776f726c64' 17 18 eval 19 array['foo'] || '{a,b}' 20 ---- 21 ARRAY['foo','a','b']