# name: test/sql/pragma/test_table_info.test
# description: Test table_info pragma
# group: [pragma]

statement ok
CREATE TABLE integers(i INTEGER DEFAULT 1+3, j INTEGER)

# PRAGMA table_info(table) returns information on the table
query ITTTTT nosort table_info
PRAGMA table_info('integers');
----
0	i	INTEGER	0	1 + 3	0
1	j	INTEGER	0	NULL	0

# these are all equivalent
query ITTTTT nosort table_info
PRAGMA table_info(integers);
----

query ITTTTT nosort table_info
PRAGMA table_info='integers';
----

query ITTTTT nosort table_info
PRAGMA table_info=integers;
----

# table_info on view also works
statement ok
CREATE VIEW v1 AS SELECT 42::INTEGER AS a, 'hello' AS b

query ITTTTT
PRAGMA table_info('v1')
----
0	a	INTEGER	0	NULL	0
1	b	VARCHAR	0	NULL	0

# view with explicit aliases
statement ok
CREATE VIEW v2(c) AS SELECT 42::INTEGER AS a, 'hello' AS b

query ITTTTT
PRAGMA table_info('v2')
----
0	c	INTEGER	0	NULL	0
1	b	VARCHAR	0	NULL	0

statement ok
CREATE VIEW v3(c, d) AS SELECT DATE '1992-01-01', 'hello' AS b

query ITTTTT
PRAGMA table_info('v3')
----
0	c	DATE	0	NULL	0
1	d	VARCHAR	0	NULL	0

# test table info with other schemas
statement ok
CREATE SCHEMA test

statement ok
CREATE VIEW test.v1 AS SELECT 42::INTEGER AS a, 'hello' AS b

query ITTTTT
PRAGMA table_info('test.v1')
----
0	a	INTEGER	0	NULL	0
1	b	VARCHAR	0	NULL	0

statement error
PRAGMA table_info('nonexistant_table');
----

# handle constraints + default values
statement ok
create table tconstraint1(i integer primary key default(3), j blob not null);

query ITTTTT
PRAGMA table_info(tconstraint1)
----
0	i	INTEGER	1	3	1
1	j	BLOB	1	NULL	0

# multi-column pk
statement ok
create table tconstraint2(i integer, j integer, k integer, l integer unique, primary key(i, j, k));

query ITTTTT
PRAGMA table_info(tconstraint2)
----
0	i	INTEGER	1	NULL	1
1	j	INTEGER	1	NULL	1
2	k	INTEGER	1	NULL	1
3	l	INTEGER	0	NULL	0

# incorrect number of parameters
statement error
PRAGMA table_info(1,2,3);
----

statement ok
create table t1 (
	c1 int,
	c2 int generated always as (c1 + 1)
);

query IIIIII
SELECT * FROM pragma_table_info(t1);
----
0	c1	INTEGER	false	NULL	false
1	c2	INTEGER	false	CAST((c1 + 1) AS INTEGER)	false