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Annotation of win32/sql/pgsql/include/postgres_ext.h, revision 1.1

1.1     ! parser      1: /*-------------------------------------------------------------------------
        !             2:  *
        !             3:  * postgres_ext.h
        !             4:  *
        !             5:  *        This file contains declarations of things that are visible everywhere
        !             6:  *     in PostgreSQL *and* are visible to clients of frontend interface libraries.
        !             7:  *     For example, the Oid type is part of the API of libpq and other libraries.
        !             8:  *
        !             9:  *        Declarations which are specific to a particular interface should
        !            10:  *     go in the header file for that interface (such as libpq-fe.h).  This
        !            11:  *     file is only for fundamental Postgres declarations.
        !            12:  *
        !            13:  *        User-written C functions don't count as "external to Postgres."
        !            14:  *     Those function much as local modifications to the backend itself, and
        !            15:  *     use header files that are otherwise internal to Postgres to interface
        !            16:  *     with the backend.
        !            17:  *
        !            18:  * $Id: postgres_ext.h,v 1.1 2001/07/30 15:32:18 parser Exp $
        !            19:  *
        !            20:  *-------------------------------------------------------------------------
        !            21:  */
        !            22: 
        !            23: #ifndef POSTGRES_EXT_H
        !            24: #define POSTGRES_EXT_H
        !            25: 
        !            26: /*
        !            27:  * Object ID is a fundamental type in Postgres.
        !            28:  */
        !            29: typedef unsigned int Oid;
        !            30: 
        !            31: #define InvalidOid             ((Oid) 0)
        !            32: 
        !            33: #define OID_MAX  UINT_MAX
        !            34: /* you will need to include <limits.h> to use the above #define */
        !            35: 
        !            36: 
        !            37: /*
        !            38:  * NAMEDATALEN is the max length for system identifiers (e.g. table names,
        !            39:  * attribute names, function names, etc.)
        !            40:  *
        !            41:  * NOTE that databases with different NAMEDATALEN's cannot interoperate!
        !            42:  */
        !            43: #define NAMEDATALEN 32
        !            44: 
        !            45: #endif