feat: introduce generated columns (risingwavelabs#8700)

Author: yuhao-su

e2e_test/ddl/table.slt

@@ -1,261 +1 @@
-# Create a table.
-statement ok
-create table ddl_t (v1 int);
-
-statement ok
-explain select v1 from ddl_t;
-
-# Create another table with duplicated name.
-statement error
-create table ddl_t (v2 int);
-
-# Create a table using a empty string.
-statement error
-create table ""(v2 int);
-
-statement ok
-create table if not exists ddl_t (v2 int);
-
-# Drop the table.
-statement ok
-drop table ddl_t;
-
-# Drop it again.
-statement error
-drop table ddl_t;
-
-# Create another table with the same name.
-statement ok
-create table ddl_t (v2 int);
-
-statement ok
-explain select v2 from ddl_t;
-
-# Create a mview on top of it.
-statement ok
-create materialized view ddl_mv as select v2 from ddl_t;
-
-statement ok
-explain select v2 from ddl_t;
-
-statement ok
-explain create sink sink_t from ddl_t with ( connector = 'kafka', type = 'append-only', force_append_only = 'true' );
-
-statement ok
-explain create sink sink_as as select sum(v2) as sum from ddl_t with ( connector = 'kafka', type = 'append-only', force_append_only = 'true' );
-
-# Create a mview with duplicated name.
-statement error
-create materialized view ddl_mv as select v2 from ddl_t;
-
-# Drop the table before dropping the mview.
-statement error
-drop table ddl_t;
-
-# We're not allowed to drop the mview using `DROP TABLE`.
-statement error
-drop table ddl_mv;
-
-# Drop the mview.
-statement ok
-drop materialized view ddl_mv;
-
-# Drop it again.
-statement error
-drop materialized view ddl_mv;
-
-# We're not allowed to drop the table using `DROP MATERIALIZED VIEW`.
-statement error
-drop materialized view ddl_t;
-
-# Now, we can drop the base table.
-statement ok
-drop table ddl_t;
-
-# Create table concludes struct column.
-statement ok
-create table st (v1 int, v2 struct<v1 int, v2 struct<v1 int, v2 int>>);
-
-statement ok
-drop table st
-
-# We test the case sensitivity of table name and column name.
-statement ok
-create table t1 (v1 int);
-
-statement ok
-drop table T1;
-
-statement ok
-create table T1 (v1 int);
-
-statement ok
-drop table t1;
-
-statement ok
-create table "T1" (v1 int);
-
-# Since we have not really bound the columns in the insert statement
-# this test case cannot be enabled.
-# statement error
-# insert into "T1" ("V1") values (1);
-
-statement error
-drop table t1;
-
-statement error
-drop table T1;
-
-statement ok
-drop table "T1";
-
-statement ok
-create table "T2" ("V1" int);
-
-# Since we have not really bound the columns in the insert statement
-# this test case cannot be enabled.
-# statement error
-# insert into "T2" (V1) values (1);
-
-statement ok
-insert into "T2" ("V1") values (1);
-
-statement ok
-drop table "T2"
-
-statement error
-create table C1 (c1 varchar(5));
-
-statement error
-create table t (v1 int not null);
-
-statement error
-create table t (v1 varchar collate "en_US");
-
-# Test create-table-as 
-statement ok
-create table t as select 1;
-
-statement ok
-drop table t;
-
-statement error
-create table t as select 1,2;
-
-statement ok
-create table t as select 1 as a, 2 as b;
-
-statement ok
-drop table t;
-
-statement ok 
-create table t(v1) as select 1;
-
-statement ok
-drop table t;
-
-statement ok
-create table t (v1 int,v2 int);
-
-statement ok
-insert into t values (1,1);
-
-statement ok
-insert into t values (1,1);
-
-statement ok
-insert into t values (1,1);
-
-statement ok
-flush
-
-statement ok
-create table t1 as select * from t;
-
-statement ok
-flush;
-
-query I
-select * from t1;
-----
-1 1
-1 1
-1 1
-
-statement ok
-drop table t1;
-
-statement ok
-drop table t;
-
-statement ok 
-create table t AS SELECT * FROM generate_series(0, 5,1) tbl(i);
-
-statement ok
-flush; 
-
-query I
-select * from t order by i;
-----
-0
-1
-2
-3
-4
-5
-
-statement ok
-drop table t;
-
-statement ok
-create table t (v1 int);
-
-statement ok
-insert into t values (1);
-
-statement ok
-insert into t values (2);
-
-statement ok
-create table n1 as select sum(v1) from t;
-
-statement ok
-flush;
-
-query I
-select * from n1;
-----
-3
-
-statement error
-create table n1 (v2 int);
-
-statement error
-create table n1 as select * from t;
-
-statement ok
-create table if not exists n1 (v2 int);
-
-statement ok
-drop table n1;
-
-statement ok
-drop table t;
-
-statement ok 
-create table t (v1 int,v2 int);
-
-statement ok
-create table t1(a,b) as select v1,v2 from t;
-
-statement ok
-create table t2(a) as select v1,v2 from t;
-
-statement ok 
-drop table t;
-
-statement ok
-drop table t1;
-
-statement ok
-drop table t2;
+include ./table/*.slt.part

e2e_test/ddl/table/generated_columns.slt.part

@@ -0,0 +1,41 @@
+# Create a table with generated columns.
+statement ok
+create table t1 (v1 int as v2-1, v2 int, v3 int as v2+1);
+
+statement ok
+insert into t1 (v2) values (1), (2);
+
+statement ok
+flush;
+
+query III
+select * from t1;
+----
+0 1 2
+1 2 3
+
+statement ok
+drop table t1;
+
+# Create a table with generated columns.
+statement ok
+create table t2 (v1 int, v2 int as v1+1);
+
+statement ok
+insert into t2 values (1), (2);
+
+statement ok
+flush;
+
+query II
+select * from t2;
+----
+1 2
+2 3
+
+statement ok
+drop table t2;
+
+# Generated column reference another generated column
+statement error
+create table t2 (v1 int as v2+1, v2 int, v3 int as v1-1);