Fix table info call, just return placeholder for now

pkg/statements/sql.go

@@ -73,6 +73,13 @@ SELECT
   pg_size_pretty(pg_total_relation_size($1)) AS total_size,
   (SELECT reltuples FROM pg_class WHERE oid = $1::regclass) AS rows_count`
 
+	TableInfoCockroach = `
+SELECT
+  'n/a' AS data_size,
+  'n/a' AS index_size,
+  'n/a' AS total_size,
+  'n/a' AS rows_count`
+
 	// ---------------------------------------------------------------------------
 
 	TableSchema = `