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tupdesc_details.h
Go to the documentation of this file.
1
/*-------------------------------------------------------------------------
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*
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* tupdesc_details.h
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* POSTGRES tuple descriptor definitions we can't include everywhere
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*
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*
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* Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/access/tupdesc_details.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef TUPDESC_DETAILS_H
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#define TUPDESC_DETAILS_H
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/*
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* Structure used to represent value to be used when the attribute is not
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* present at all in a tuple, i.e. when the column was created after the tuple
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*/
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typedef
struct
AttrMissing
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{
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bool
am_present
;
/* true if non-NULL missing value exists */
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Datum
am_value
;
/* value when attribute is missing */
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}
AttrMissing
;
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#endif
/* TUPDESC_DETAILS_H */
Datum
uintptr_t Datum
Definition:
postgres.h:69
AttrMissing
Definition:
tupdesc_details.h:23
AttrMissing::am_present
bool am_present
Definition:
tupdesc_details.h:24
AttrMissing::am_value
Datum am_value
Definition:
tupdesc_details.h:25
AttrMissing
struct AttrMissing AttrMissing
src
include
access
tupdesc_details.h
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