Expand description
Utility functions for working with pg_sys::HeapTuple
and pg_sys::HeapTupleHeader
structs
Structs
Functions
Given a pg_sys::Datum
representing a composite row type, return a boxed HeapTupleData
,
which can be used by the various heap_getattr
methods
Extract an attribute of a heap tuple and return it as Rust type.
This works for either system or user attributes. The given attnum
is properly range-checked.
Similar to heap_getattr()
, but returns extended information about the requested attribute
attno
is 1-based
Extract an attribute of a heap tuple and return it as a Datum.
This works for either system or user attributes. The given attnum
is properly range-checked.
convert a HeapTupleHeader to a Datum.