CircArgs commented on a change in pull request #3839:
URL: https://github.com/apache/iceberg/pull/3839#discussion_r777729071
##########
File path: python/src/iceberg/types.py
##########
@@ -157,15 +157,107 @@ def value(self) -> NestedField:
return self._value_field
-BooleanType = Type("boolean", "BooleanType", is_primitive=True)
-IntegerType = Type("int", "IntegerType", is_primitive=True)
-LongType = Type("long", "LongType", is_primitive=True)
-FloatType = Type("float", "FloatType", is_primitive=True)
-DoubleType = Type("double", "DoubleType", is_primitive=True)
-DateType = Type("date", "DateType", is_primitive=True)
-TimeType = Type("time", "TimeType", is_primitive=True)
-TimestampType = Type("timestamp", "TimestampType", is_primitive=True)
-TimestamptzType = Type("timestamptz", "TimestamptzType", is_primitive=True)
-StringType = Type("string", "StringType", is_primitive=True)
-UUIDType = Type("uuid", "UUIDType", is_primitive=True)
-BinaryType = Type("binary", "BinaryType", is_primitive=True)
+class Boolean(Type):
+ """`boolean` from https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("boolean", "BooleanType", is_primitive=True)
+
+
+class Integer(Type):
+ """32-bit signed integers: `int` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ max: int = 2147483647
+
+ min: int = -2147483648
+
+ def __init__(self):
+ super().__init__("int", "IntegerType", is_primitive=True)
+
+
+class Long(Type):
+ """64-bit signed integers: `long` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ max: int = 9223372036854775807
+
+ min: int = -9223372036854775808
+
+ def __init__(self):
+ super().__init__("long", "LongType", is_primitive=True)
+
+
+class Float(Type):
+ """32-bit IEEE 754 floating point: `float` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("float", "FloatType", is_primitive=True)
+
+
+class Double(Type):
+ """64-bit IEEE 754 floating point: `double` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("double", "DoubleType", is_primitive=True)
+
+
+class Date(Type):
+ """`date` type from https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("date", "DateType", is_primitive=True)
+
+
+class Time(Type):
+ """`time` type from https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("time", "TimeType", is_primitive=True)
+
+
+class Timestamp(Type):
+ """`timestamp` type from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("timestamp", "TimestampType", is_primitive=True)
+
+
+class Timestamptz(Type):
+ """`timestamptz` type from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("timestamptz", "TimestamptzType", is_primitive=True)
+
+
+class String(Type):
+ """Arbitrary-length character sequences Encoded with UTF-8: `string` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("string", "StringType", is_primitive=True)
+
+
+class UUID(Type):
+ """Universally unique identifiers: `uuid` from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("uuid", "UUIDType", is_primitive=True)
+
+
+class Binary(Type):
+ """Arbitrary-length byte array from
https://iceberg.apache.org/#spec/#primitive-types""";
+
+ def __init__(self):
+ super().__init__("binary", "BinaryType", is_primitive=True)
+
+
+BooleanType = Boolean()
Review comment:
As not to conflict with the other PR's, I kept the instances at the end
of the file so `x == BooleanType` still works. Ultimately, we can refactor
elsewhere to use just `isinstance` and then remove these declarations
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