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# name: test/sql/optimizer/expression/test_move_constants.test
# description: Test queries involving constants that can be moved
# group: [expression]
statement ok
PRAGMA enable_verification
# move constants with signed value extremes
# tinyint
foreach type,min,max tinyint,-128,127 smallint,-32768,32767 integer,-2147483648,2147483647 bigint,-9223372036854775808,9223372036854775807 hugeint,-170141183460469231731687303715884105728,170141183460469231731687303715884105727
statement ok
CREATE OR REPLACE TABLE vals(v ${type});
statement ok
INSERT INTO vals VALUES (2), (NULL);
# +
query I
SELECT * FROM vals WHERE v+(${max}-10)::${type}=-100::${type};
----
query I
SELECT v+(${max}-10)::${type}=-100::${type} FROM vals;
----
false
NULL
# -
query I
SELECT * FROM vals WHERE v-${max}::${type}=${max}::${type};
----
query I
SELECT * FROM vals WHERE (${min}+100)::${type}-v=${max}::${type};
----
# *
# multiply by 0
query I
SELECT * FROM vals WHERE v*0::${type}=1::${type};
----
query I
SELECT * FROM vals WHERE v*0::${type}=0::${type};
----
2
query I
SELECT v*0::${type}=0::${type} FROM vals;
----
true
NULL
query I
SELECT v*0::${type}=1::${type} FROM vals;
----
false
NULL
# negative numbers
query I
SELECT * FROM vals WHERE v*(-1)::${type}=(${min})::${type};
----
query I
SELECT * FROM vals WHERE v*(-2)::${type}=(${min})::${type};
----
endloop
# move constants with unsigned values
foreach utype utinyint usmallint uinteger ubigint
statement ok
CREATE OR REPLACE TABLE vals(v ${utype});
statement ok
INSERT INTO vals VALUES (2), (NULL);
# +
query I
SELECT * FROM vals WHERE v+5::${utype}=3::${utype};
----
query I
SELECT v+5::${utype}=3::${utype} FROM vals;
----
false
NULL
query I
SELECT * FROM vals WHERE 5::${utype}+v=3::${utype};
----
query I
SELECT * FROM vals WHERE v+1::${utype}=3::${utype};
----
2
query I
SELECT * FROM vals WHERE 1::${utype}+v=3::${utype};
----
2
# -
query I
SELECT * FROM vals WHERE v-2::${utype}=255::${utype};
----
query I
SELECT * FROM vals WHERE 2::${utype}-v=3::${utype};
----
query I
SELECT * FROM vals WHERE v-1::${utype}=1::${utype};
----
2
query I
SELECT * FROM vals WHERE 4::${utype}-v=2::${utype};
----
2
# *
# multiply by 0
query I
SELECT * FROM vals WHERE v*0::${utype}=1::${utype};
----
query I
SELECT * FROM vals WHERE v*0::${utype}=0::${utype};
----
2
query I
SELECT v*0::${utype}=0::${utype} FROM vals;
----
true
NULL
query I
SELECT v*0::${utype}=1::${utype} FROM vals;
----
false
NULL
# rhs value is not cleanly divisible
# this is always false, since there is no integer value for which x*3=7
query I
SELECT * FROM vals WHERE v*3::${utype}=7::${utype};
----
query I
SELECT v*3::${utype}=7::${utype} FROM vals;
----
false
NULL
query I
SELECT * FROM vals WHERE v*3::${utype}=6::${utype};
----
2
query I
SELECT v*3::${utype}=6::${utype} FROM vals;
----
true
NULL
statement ok
DROP TABLE vals
endloop
|
