/usr/include/postgres-xc/server/postgres_ext.h is in postgres-xc-server-dev 1.1-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*-------------------------------------------------------------------------
*
* postgres_ext.h
*
* This file contains declarations of things that are visible everywhere
* in PostgreSQL *and* are visible to clients of frontend interface libraries.
* For example, the Oid type is part of the API of libpq and other libraries.
*
* Declarations which are specific to a particular interface should
* go in the header file for that interface (such as libpq-fe.h). This
* file is only for fundamental Postgres declarations.
*
* User-written C functions don't count as "external to Postgres."
* Those function much as local modifications to the backend itself, and
* use header files that are otherwise internal to Postgres to interface
* with the backend.
*
* src/include/postgres_ext.h
*
*-------------------------------------------------------------------------
*/
#ifndef POSTGRES_EXT_H
#define POSTGRES_EXT_H
/*
* Object ID is a fundamental type in Postgres.
*/
typedef unsigned int Oid;
#ifdef __cplusplus
#define InvalidOid (Oid(0))
#else
#define InvalidOid ((Oid) 0)
#endif
#define OID_MAX UINT_MAX
/* you will need to include <limits.h> to use the above #define */
/*
* Identifiers of error message fields. Kept here to keep common
* between frontend and backend, and also to export them to libpq
* applications.
*/
#define PG_DIAG_SEVERITY 'S'
#define PG_DIAG_SQLSTATE 'C'
#define PG_DIAG_MESSAGE_PRIMARY 'M'
#define PG_DIAG_MESSAGE_DETAIL 'D'
#define PG_DIAG_MESSAGE_HINT 'H'
#define PG_DIAG_STATEMENT_POSITION 'P'
#define PG_DIAG_INTERNAL_POSITION 'p'
#define PG_DIAG_INTERNAL_QUERY 'q'
#define PG_DIAG_CONTEXT 'W'
#define PG_DIAG_SOURCE_FILE 'F'
#define PG_DIAG_SOURCE_LINE 'L'
#define PG_DIAG_SOURCE_FUNCTION 'R'
#endif
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