# name: test/sql/function/generic/test_stats.test
# description: Test stats function
# group: [generic]

statement ok
select 1=1

# scalar stats
query I
SELECT STATS(5);
----
<REGEX>:.*5.*5.*

query I
SELECT STATS(7);
----
<REGEX>:.*7.*7.*

query I
SELECT STATS('hello');
----
<REGEX>:.*hello.*hello.*

query I
SELECT STATS('1234567ü');
----
<REGEX>:.*1234567.*1234567.*

# arithmetic
query I
SELECT STATS(5+2);
----
<REGEX>:.*7.*7.*

# non-scalar stats
statement ok
CREATE TABLE integers(i INTEGER);

statement ok
INSERT INTO integers VALUES (1), (2), (3);

# read stats
query I
SELECT STATS(i) FROM integers LIMIT 1;
----
<REGEX>:.*1.*3.*

# arithmetic
query I
SELECT STATS(i+2) FROM integers LIMIT 1;
----
<REGEX>:.*3.*5.*

query I
SELECT STATS(i-5) FROM integers LIMIT 1;
----
<REGEX>:.*-4.*-2.*

query I
SELECT STATS(i*2) FROM integers LIMIT 1;
----
<REGEX>:.*2.*6.*

query I
SELECT STATS(i*-1) FROM integers LIMIT 1;
----
<REGEX>:.*-3.*-1.*

# disabling statistics propagation means there will be no stats
statement ok
PRAGMA disable_optimizer

query I
SELECT STATS(i+1) FROM integers LIMIT 1;
----
No statistics

# we can enable the optimizer again
statement ok
PRAGMA enable_optimizer

query I
SELECT STATS(i*-1) FROM integers LIMIT 1;
----
<REGEX>:.*-3.*-1.*