sql: fix TestRandomSyntaxFunctions related bugs/flakes#107491

Merged

craig[bot] merged 3 commits intocockroachdb:masterfrom fqazi:uniqueConstraintValidateCancel

Aug 1, 2023

+20-2

Commits on Jul 25, 2023

sql: revalidate_unique_constraints_in_all_tables check for cancellation
fqazi
committed
sql: crdb_internal.pretty_value can panic with invalid inputs
fqazi
committed

Commits on Jul 31, 2023

sql: TestRandomSyntaxFunctions skip crdb_internal.gen_rand_ident
fqazi
committed