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Specifying type properties
Specify type options according to your needs. The detailed description is given below.
Owner
Defines the owner of the new type.
Comment
The box allows you to set optional text to describe the new type.
Input Function
Enter the name of a function that converts data from the type external textual form to its internal form.
Output Function
Specify the name of a function that converts data from the type internal form to its external textual form.
Receive Function
The field contains the name of a function that converts data from the type external binary form to its internal form.
Send Function
The name of a function that converts data from the type internal form to its external binary form.
Analyze Function
Specify the name of a function that performs statistical analysis for the data type.
Internal Length
A numeric constant that specifies the length in bytes of the new type internal representation. The default assumption is that it is variable-length.
Default
The default value for the data type. If omitted, the default is null.
Element
The type being created is an array; specify the type of the array elements here.
Delimiter
The delimiter character to be used between values in arrays made of this type.
Alignment (char, int2, int4, or double)
Specify the storage alignment requirement of the data type. The default is int4.
Passed By Value
The optional flag indicates that values of this data type are passed by value rather than by reference.
Storage (Plain, External, Extended, or Main)
Specify the storage strategy for the data type. The default is Plain.
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