test schema change & sink-into ctas

Signed-off-by: Bugen Zhao <[email protected]>

e2e_test/ddl/show_purify.slt

@@ -16,5 +16,23 @@ show create table ctas;
 ----
 public.ctas	CREATE TABLE ctas (v0 INT, v1 NUMERIC, v2 TIMESTAMP, v3 TIMESTAMP WITH TIME ZONE, v4 CHARACTER VARYING[], v5 STRUCT<i BIGINT, j STRUCT<a BIGINT, b CHARACTER VARYING>>, v6 rw_int256, v7 MAP(CHARACTER VARYING,INT))
 
+statement ok
+alter table ctas add column v8 double;
+
+# Show that we can add or drop columns to the CTAS table.
+
+query TT
+show create table ctas;
+----
+public.ctas	CREATE TABLE ctas (v0 INT, v1 NUMERIC, v2 TIMESTAMP, v3 TIMESTAMP WITH TIME ZONE, v4 CHARACTER VARYING[], v5 STRUCT<i BIGINT, j STRUCT<a BIGINT, b CHARACTER VARYING>>, v6 rw_int256, v7 MAP(CHARACTER VARYING,INT), v8 DOUBLE)
+
+statement ok
+alter table ctas drop column v0;
+
+query TT
+show create table ctas;
+----
+public.ctas	CREATE TABLE ctas (v1 NUMERIC, v2 TIMESTAMP, v3 TIMESTAMP WITH TIME ZONE, v4 CHARACTER VARYING[], v5 STRUCT<i BIGINT, j STRUCT<a BIGINT, b CHARACTER VARYING>>, v6 rw_int256, v7 MAP(CHARACTER VARYING,INT), v8 DOUBLE)
+
 statement ok
 drop table ctas;

e2e_test/sink/sink_into_table/ctas.slt

@@ -0,0 +1,25 @@
+statement ok
+SET RW_IMPLICIT_FLUSH TO true;
+
+statement ok
+create table ctas as select 1 as v;
+
+query I rowsort
+select * from ctas;
+----
+1
+
+statement ok
+create sink sk into ctas as select 2 as v with (type = 'append-only');
+
+query I rowsort
+select * from ctas;
+----
+1
+2
+
+statement ok
+drop sink sk;
+
+statement ok
+drop table ctas;