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Merged
alamb merged 4 commits into from
Jan 26, 2025
Merged

Add more tests showing coercing behavior with literals #14270

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befe6de
Add more tests showing coercing behavior with literals
alamb Jan 24, 2025
d487402
remove unecessary change
alamb Jan 24, 2025
4b32876
Merge remote-tracking branch 'apache/main' into alamb/more_casting_tests
alamb Jan 25, 2025
62e5526
Add tests for comparisons
alamb Jan 25, 2025
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147 changes: 147 additions & 0 deletions datafusion/sqllogictest/test_files/operator.slt
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Expand Up @@ -52,6 +52,42 @@ from numeric_types;
----
Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 Float32 Float64 Decimal128(6, 2)

# Plus with literal integer
query TTTTTTTTTTT
select
arrow_typeof(int8 + 2),
arrow_typeof(int16 + 2),
arrow_typeof(int32 + 2),
arrow_typeof(int64 + 2),
arrow_typeof(uint8 + 2),
arrow_typeof(uint16 + 2),
arrow_typeof(uint32 + 2),
arrow_typeof(uint64 + 2),
arrow_typeof(float32 + 2),
arrow_typeof(float64 + 2),
arrow_typeof(decimal + 2)
from numeric_types;
----
Int64 Int64 Int64 Int64 Int64 Int64 Int64 Int64 Float32 Float64 Decimal128(23, 2)

@alamb alamb Jan 24, 2025

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This shows that adding a literal integer (2) does not upcast to Decimal for integer types (which would be terrible for performance)


# Plus with literal decimal
query TTTTTTTTTTT
select
arrow_typeof(int8 + 2.0),
arrow_typeof(int16 + 2.0),
arrow_typeof(int32 + 2.0),
arrow_typeof(int64 + 2.0),
arrow_typeof(uint8 + 2.0),
arrow_typeof(uint16 + 2.0),
arrow_typeof(uint32 + 2.0),
arrow_typeof(uint64 + 2.0),
arrow_typeof(float32 + 2.0),
arrow_typeof(float64 + 2.0),
arrow_typeof(decimal + 2.0)
from numeric_types;
----
Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64


# Minus with the same operand type, expect the same output type
# except for decimal which is promoted to the highest precision
Expand All @@ -72,6 +108,43 @@ from numeric_types;
----
Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 Float32 Float64 Decimal128(6, 2)

# Minus with literal integer
query TTTTTTTTTTT
select
arrow_typeof(int8 - 2),
arrow_typeof(int16 - 2),
arrow_typeof(int32 - 2),
arrow_typeof(int64 - 2),
arrow_typeof(uint8 - 2),
arrow_typeof(uint16 - 2),
arrow_typeof(uint32 - 2),
arrow_typeof(uint64 - 2),
arrow_typeof(float32 - 2),
arrow_typeof(float64 - 2),
arrow_typeof(decimal - 2)
from numeric_types;
----
Int64 Int64 Int64 Int64 Int64 Int64 Int64 Int64 Float32 Float64 Decimal128(23, 2)

# Minus with literal decimal
query TTTTTTTTTTT
select
arrow_typeof(int8 - 2.0),
arrow_typeof(int16 - 2.0),
arrow_typeof(int32 - 2.0),
arrow_typeof(int64 - 2.0),
arrow_typeof(uint8 - 2.0),
arrow_typeof(uint16 - 2.0),
arrow_typeof(uint32 - 2.0),
arrow_typeof(uint64 - 2.0),
arrow_typeof(float32 - 2.0),
arrow_typeof(float64 - 2.0),
arrow_typeof(decimal - 2.0)
from numeric_types;
----
Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64


# Multiply with the same operand type, expect the same output type
# except for decimal which is promoted to the highest precision
query TTTTTTTTTTT
Expand All @@ -91,6 +164,43 @@ from numeric_types;
----
Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 Float32 Float64 Decimal128(11, 4)

# Multiply with literal integer
query TTTTTTTTTTT
select
arrow_typeof(int8 * 2),
arrow_typeof(int16 * 2),
arrow_typeof(int32 * 2),
arrow_typeof(int64 * 2),
arrow_typeof(uint8 * 2),
arrow_typeof(uint16 * 2),
arrow_typeof(uint32 * 2),
arrow_typeof(uint64 * 2),
arrow_typeof(float32 * 2),
arrow_typeof(float64 * 2),
arrow_typeof(decimal * 2)
from numeric_types;
----
Int64 Int64 Int64 Int64 Int64 Int64 Int64 Int64 Float32 Float64 Decimal128(26, 2)

# Multiply with literal decimal
query TTTTTTTTTTT
select
arrow_typeof(int8 * 2.0),
arrow_typeof(int16 * 2.0),
arrow_typeof(int32 * 2.0),
arrow_typeof(int64 * 2.0),
arrow_typeof(uint8 * 2.0),
arrow_typeof(uint16 * 2.0),
arrow_typeof(uint32 * 2.0),
arrow_typeof(uint64 * 2.0),
arrow_typeof(float32 * 2.0),
arrow_typeof(float64 * 2.0),
arrow_typeof(decimal * 2.0)
from numeric_types;
----
Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64


# Divide with the same operand type, expect the same output type
# except for decimal which is promoted to the highest precision
query TTTTTTTTTTT
Expand All @@ -110,5 +220,42 @@ from numeric_types;
----
Int8 Int16 Int32 Int64 UInt8 UInt16 UInt32 UInt64 Float32 Float64 Decimal128(11, 6)

# Divide with literal integer
query TTTTTTTTTTT
select
arrow_typeof(int8 / 2),
arrow_typeof(int16 / 2),
arrow_typeof(int32 / 2),
arrow_typeof(int64 / 2),
arrow_typeof(uint8 / 2),
arrow_typeof(uint16 / 2),
arrow_typeof(uint32 / 2),
arrow_typeof(uint64 / 2),
arrow_typeof(float32 / 2),
arrow_typeof(float64 / 2),
arrow_typeof(decimal / 2)
from numeric_types;
----
Int64 Int64 Int64 Int64 Int64 Int64 Int64 Int64 Float32 Float64 Decimal128(9, 6)

# Divide with literal decimal
query TTTTTTTTTTT
select
arrow_typeof(int8 / 2.0),
arrow_typeof(int16 / 2.0),
arrow_typeof(int32 / 2.0),
arrow_typeof(int64 / 2.0),
arrow_typeof(uint8 / 2.0),
arrow_typeof(uint16 / 2.0),
arrow_typeof(uint32 / 2.0),
arrow_typeof(uint64 / 2.0),
arrow_typeof(float32 / 2.0),
arrow_typeof(float64 / 2.0),
arrow_typeof(decimal / 2.0)
from numeric_types;
----
Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64 Float64


statement ok
drop table numeric_types