root@127.171.54.131:38541/movr> create table ab (a text collate en_u_ks_level2);
CREATE TABLE

root@127.171.54.131:38541/movr> insert into ab values ('foo' collate en_u_ks_level2), ('FoO' 
root@127.171.54.131:38541/movr> select array[a] from ab;
ERROR: internal error: ARRAY["$0"]:::STRING[] COLLATE en_u_ks_level2: incompatible type annotation for ARRAY["$0"] as string[], found type: collatedstring{en_u_ks_level2}[]
SQLSTATE: XX000
DETAIL: stack trace:
github.com/cockroachdb/cockroach/pkg/sql/execinfra/expr.go:78: processExpression()
github.com/cockroachdb/cockroach/pkg/sql/execinfra/expr.go:161: Init()
github.com/cockroachdb/cockroach/pkg/sql/execinfra/processorsbase.go:145: Init()
github.com/cockroachdb/cockroach/pkg/sql/execinfra/processorsbase.go:800: InitWithEvalCtx()
github.com/cockroachdb/cockroach/pkg/sql/execinfra/processorsbase.go:776: Init()
github.com/cockroachdb/cockroach/pkg/sql/rowexec/tablereader.go:93: newTableReader()
github.com/cockroachdb/cockroach/pkg/sql/rowexec/processors.go:138: NewProcessor()
github.com/cockroachdb/cockroach/pkg/sql/rowflow/row_based_flow.go:228: makeProcessor()
github.com/cockroachdb/cockroach/pkg/sql/rowflow/row_based_flow.go:81: setupProcessors()
github.com/cockroachdb/cockroach/pkg/sql/rowflow/row_based_flow.go:64: Setup()
github.com/cockroachdb/cockroach/pkg/sql/distsql/server.go:349: setupFlow()
github.com/cockroachdb/cockroach/pkg/sql/distsql/server.go:463: SetupLocalSyncFlow()
github.com/cockroachdb/cockroach/pkg/sql/distsql_running.go:254: setupFlows()
github.com/cockroachdb/cockroach/pkg/sql/distsql_running.go:356: Run()
github.com/cockroachdb/cockroach/pkg/sql/distsql_running.go:987: PlanAndRun()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor_exec.go:826: execWithDistSQLEngine()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor_exec.go:716: dispatchToExecutionEngine()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor_exec.go:412: execStmtInOpenState()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor_exec.go:93: execStmt()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor.go:1316: execCmd()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor.go:1245: run()
github.com/cockroachdb/cockroach/pkg/sql/conn_executor.go:452: ServeConn()
github.com/cockroachdb/cockroach/pkg/sql/pgwire/conn.go:566: func1()
runtime/asm_amd64.s:1337: goexit()