diff --git a/expr.cc b/expr.cc
index 3bac07c..8dbb640 100644
--- a/expr.cc
+++ b/expr.cc
@@ -231,6 +231,44 @@ const_expr::const_expr(prod *p, sqltype *type_constraint)
     expr = "'{}'::map[text=>text]";
   else if (type->name == "anycompatiblemap")
     expr = "'{}'::map[text=>text]";
+  else if (type->name == "text[]")
+    expr = "array['a', 'b', null, '']::text[]";
+  else if (type->name == "smallint[]")
+    expr = "array[1, 2, 3, null]::smallint[]";
+  else if (type->name == "integer[]")
+    expr = "array[1, 2, 3, null]::integer[]";
+  else if (type->name == "jsonb")
+    if (d42() == 1)
+      expr = "'{}'::jsonb";
+    else if (d42() == 1)
+      expr = "'[]'::jsonb";
+    else if (d42() == 1)
+      expr = "'\"foo\"'::jsonb";
+    else if (d42() == 1)
+      expr = "'null'::jsonb";
+    else
+      expr = "'{\"1\":2,\"3\":4}'::jsonb";
+  else if (type->name == "bytea")
+    if (d42() == 1)
+      expr = "cast('\\000' as bytea)";
+    else if (d42() == 1)
+      expr = "cast('\\xFFFFFF' as bytea)";
+    else
+      expr = "cast('\\xDEADBEEF' as bytea)";
+  else if (type->name == "uuid")
+    if (d42() == 1)
+      expr = "UUID '00000000-0000-0000-0000-000000000000'";
+    else if (d42() == 1)
+      expr = "UUID 'ffffffff-ffff-ffff-ffff-ffffffffffff'";
+    else
+      expr = "UUID 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'";
+  else if (type->name == "date")
+    if (d42() == 1)
+      expr = "(DATE '1-11-25' - INTERVAL '4713 YEARS')";
+    else if (d42() == 1)
+      expr = "(DATE '62143-12-31' + INTERVAL '200000 YEARS')";
+    else
+      expr = "DATE '2007-02-01'";
   else if (type->name == "time")
     if (d42() == 1)
       expr = "TIME '00:00:00'";