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expr/builtin_cast: implement test_cast_as_real & test_cast_as_int #2218

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merged 12 commits into from Aug 31, 2017
Merged

expr/builtin_cast: implement test_cast_as_real & test_cast_as_int #2218

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4e62c65
expr/builtin_cast: implement test for test_cast_as_int
AndreMouche Aug 28, 2017
6059fae
expr/builtin_cast: implement test for test_cast_as_real
AndreMouche Aug 28, 2017
c2a5405
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 28, 2017
6d9f510
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 29, 2017
b7adca9
expr/builtin_cast: address comments
AndreMouche Aug 29, 2017
09865da
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 29, 2017
1961702
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 29, 2017
abcd3c5
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 30, 2017
d81c386
Merge branch 'master' into shirly/eval_cast_test
hicqu Aug 30, 2017
30da008
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 30, 2017
57565f7
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 30, 2017
c1ba60d
Merge branch 'master' into shirly/eval_cast_test
AndreMouche Aug 30, 2017
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242 changes: 242 additions & 0 deletions src/coprocessor/dag/expr/builtin_cast.rs
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Expand Up @@ -711,6 +711,248 @@ mod test {
expr
}

#[test]
fn test_cast_as_int() {
let mut ctx = StatementContext::default();
ctx.ignore_truncate = true;
let t = Time::parse_utc_datetime("2012-12-12 12:00:23", 0).unwrap();
#[allow(inconsistent_digit_grouping)]
let time_int = 2012_12_12_12_00_23i64;
let duration_t = Duration::parse(b"12:00:23", 0).unwrap();
let cases = vec![
(
ScalarFuncSig::CastIntAsInt,
types::LONG_LONG,
Some(types::UNSIGNED_FLAG),
vec![Datum::U64(1)],
1,
),
(
ScalarFuncSig::CastIntAsInt,
types::LONG_LONG,
None,
vec![Datum::I64(-1)],
-1,
),
(
ScalarFuncSig::CastStringAsInt,
types::STRING,
None,
vec![Datum::Bytes(b"1".to_vec())],
1,
),
(
ScalarFuncSig::CastStringAsInt,
types::STRING,
None,
vec![Datum::Bytes(b"-123".to_vec())],
-123,
),
(
ScalarFuncSig::CastRealAsInt,
types::DOUBLE,
None,
vec![Datum::F64(1f64)],
1,
),
(
ScalarFuncSig::CastRealAsInt,
types::DOUBLE,
None,
vec![Datum::F64(1234.000)],
1234,
),
(
ScalarFuncSig::CastTimeAsInt,
types::DATETIME,
None,
vec![Datum::Time(t)],
time_int,
),
(
ScalarFuncSig::CastDurationAsInt,
types::DURATION,
None,
vec![Datum::Dur(duration_t)],
120023,
),
(
ScalarFuncSig::CastJsonAsInt,
types::JSON,
None,
vec![Datum::Json(Json::I64(-1))],
-1,
),
(
ScalarFuncSig::CastJsonAsInt,
types::JSON,
None,
vec![Datum::Json(Json::U64(1))],
1,
),
(
ScalarFuncSig::CastDecimalAsInt,
types::NEW_DECIMAL,
None,
vec![Datum::Dec(Decimal::from(1))],
1,
),
];

let null_cols = vec![Datum::Null];
for (sig, tp, flag, col, expect) in cases {
let col_expr = col_expr(0, tp as i32);
let mut exp = fncall_expr(sig, &[col_expr]);
if flag.is_some() {
exp.mut_field_type().set_flag(flag.unwrap() as u32);
}
let e = Expression::build(exp, 1, &ctx).unwrap();
let res = e.eval_int(&ctx, &col).unwrap();
assert_eq!(res.unwrap(), expect);
// test None
let res = e.eval_int(&ctx, &null_cols).unwrap();
assert!(res.is_none());
}
}

#[test]
fn test_cast_as_real() {
let mut ctx = StatementContext::default();
ctx.ignore_truncate = true;
let t = Time::parse_utc_datetime("2012-12-12 12:00:23", 0).unwrap();
#[allow(inconsistent_digit_grouping)]
let int_t = 2012_12_12_12_00_23u64;
let duration_t = Duration::parse(b"12:00:23", 0).unwrap();
let cases = vec![
(
ScalarFuncSig::CastIntAsReal,
types::LONG_LONG,
vec![Datum::I64(1)],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
1f64,
),
(
ScalarFuncSig::CastIntAsReal,
types::LONG_LONG,
vec![Datum::I64(1234)],
7,
3,
1234.000,
),
(
ScalarFuncSig::CastStringAsReal,
types::STRING,
vec![Datum::Bytes(b"1".to_vec())],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
1f64,
),
(
ScalarFuncSig::CastStringAsReal,
types::STRING,
vec![Datum::Bytes(b"1234".to_vec())],
7,
3,
1234.000,
),
(
ScalarFuncSig::CastRealAsReal,
types::DOUBLE,
vec![Datum::F64(1f64)],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
1f64,
),
(
ScalarFuncSig::CastRealAsReal,
types::DOUBLE,
vec![Datum::F64(1234.123)],
8,
4,
1234.1230,
),
(
ScalarFuncSig::CastTimeAsReal,
types::DATETIME,
vec![Datum::Time(t.clone())],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
int_t as f64,
),
(
ScalarFuncSig::CastTimeAsReal,
types::DATETIME,
vec![Datum::Time(t)],
15,
1,
format!("{}.0", int_t).parse::<f64>().unwrap(),
),
(
ScalarFuncSig::CastDurationAsReal,
types::DURATION,
vec![Datum::Dur(duration_t.clone())],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
120023f64,
),
(
ScalarFuncSig::CastDurationAsReal,
types::DURATION,
vec![Datum::Dur(duration_t)],
7,
1,
120023.0,
),
(
ScalarFuncSig::CastJsonAsReal,
types::JSON,
vec![Datum::Json(Json::I64(1))],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
1f64,
),
(
ScalarFuncSig::CastJsonAsReal,
types::JSON,
vec![Datum::Json(Json::I64(1))],
2,
1,
1.0,
),
(
ScalarFuncSig::CastDecimalAsReal,
types::NEW_DECIMAL,
vec![Datum::Dec(Decimal::from(1))],
convert::UNSPECIFIED_LENGTH,
convert::UNSPECIFIED_LENGTH,
1f64,
),
(
ScalarFuncSig::CastDecimalAsReal,
types::NEW_DECIMAL,
vec![Datum::Dec(Decimal::from(1))],
2,
1,
1.0,
),
];

let null_cols = vec![Datum::Null];
for (sig, tp, col, flen, decimal, expect) in cases {
let col_expr = col_expr(0, tp as i32);
let mut exp = fncall_expr(sig, &[col_expr]);
exp.mut_field_type().set_flen(flen as i32);
exp.mut_field_type().set_decimal(decimal as i32);
let e = Expression::build(exp, 1, &ctx).unwrap();
let res = e.eval_real(&ctx, &col).unwrap();
assert_eq!(format!("{}", res.unwrap()), format!("{}", expect));
// test None
let res = e.eval_real(&ctx, &null_cols).unwrap();
assert!(res.is_none());
}
}

#[test]
fn test_cast_as_decimal() {
let mut ctx = StatementContext::default();
Expand Down