# name: test/sql/generated_columns/virtual/rowid.test
# description: Create a generated column using the 'rowid' system column
# group: [virtual]

statement ok
PRAGMA enable_verification

statement ok
CREATE TABLE unit (price INTEGER, amount_sold INTEGER);

statement ok
INSERT INTO unit VALUES (5,4)

statement ok
INSERT INTO unit VALUES (4,5)

# Rowid as a system column is not supported
statement error
ALTER TABLE unit ADD COLUMN total_profit BIGINT GENERATED ALWAYS AS (price * rowid) VIRTUAL;
----

statement ok
ALTER TABLE unit ADD COLUMN rowid INTEGER;

# Cant create a generated column named 'rowid' that also tries to reference the 'rowid' system column
statement error
CREATE TABLE tbl (
	price INTEGER,
	rowid BIGINT GENERATED ALWAYS AS (rowid) VIRTUAL
);
----

# Reference a standard column named 'rowid'
statement ok
CREATE TABLE tbl (
	rowid INTEGER,
	index INTEGER GENERATED ALWAYS AS (rowid) VIRTUAL
)

statement ok
INSERT INTO tbl VALUES (5)

query I
SELECT index FROM tbl;
----
5