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/*-------------------------------------------------------------------------
*
* genbki.h
* Required include file for all POSTGRES catalog header files
*
* genbki.h defines CATALOG(), BKI_BOOTSTRAP and related macros
* so that the catalog header files can be read by the C compiler.
* (These same words are recognized by genbki.pl to build the BKI
* bootstrap file from these header files.)
*
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/genbki.h
*
*-------------------------------------------------------------------------
*/
#ifndef GENBKI_H
#define GENBKI_H
/* Introduces a catalog's structure definition */
#define CATALOG(name,oid,oidmacro) typedef struct CppConcat(FormData_,name)
/* Options that may appear after CATALOG (on the same line) */
#define BKI_BOOTSTRAP
#define BKI_SHARED_RELATION
#define BKI_ROWTYPE_OID(oid,oidmacro)
#define BKI_SCHEMA_MACRO
/* Options that may appear after an attribute (on the same line) */
#define BKI_FORCE_NULL
#define BKI_FORCE_NOT_NULL
/* Specifies a default value for a catalog field */
#define BKI_DEFAULT(value)
/* Specifies a default value for auto-generated array types */
#define BKI_ARRAY_DEFAULT(value)
/*
* Indicates how to perform name lookups, typically for an OID or
* OID-array field
*/
#define BKI_LOOKUP(catalog)
/*
* These lines are processed by genbki.pl to create the statements
* the bootstrap parser will turn into BootstrapToastTable commands.
* Each line specifies the system catalog that needs a toast table,
* the OID to assign to the toast table, and the OID to assign to the
* toast table's index. The reason we hard-wire these OIDs is that we
* need stable OIDs for shared relations, and that includes toast tables
* of shared relations.
*
* The macro definition is just to keep the C compiler from spitting up.
*/
#define DECLARE_TOAST(name,toastoid,indexoid) extern int no_such_variable
/*
* These lines processed by genbki.pl to create the statements
* the bootstrap parser will turn into DefineIndex calls.
*
* The keyword is DECLARE_INDEX or DECLARE_UNIQUE_INDEX. The first two
* arguments are the index name and OID, the rest is much like a standard
* 'create index' SQL command.
*
* For each index, we also provide a #define for its OID. References to
* the index in the C code should always use these #defines, not the actual
* index name (much less the numeric OID).
*
* The macro definitions are just to keep the C compiler from spitting up.
*/
#define DECLARE_INDEX(name,oid,decl) extern int no_such_variable
#define DECLARE_UNIQUE_INDEX(name,oid,decl) extern int no_such_variable
/* The following are never defined; they are here only for documentation. */
/*
* Variable-length catalog fields (except possibly the first not nullable one)
* should not be visible in C structures, so they are made invisible by #ifdefs
* of an undefined symbol. See also the BOOTCOL_NULL_AUTO code in bootstrap.c
* for how this is handled.
*/
#undef CATALOG_VARLEN
/*
* There is code in some catalog headers that needs to be visible to clients,
* but we don't want clients to include the full header because of safety
* issues with other code in the header. To handle that, surround code that
* should be visible to clients with "#ifdef EXPOSE_TO_CLIENT_CODE". That
* instructs genbki.pl to copy the section when generating the corresponding
* "_d" header, which can be included by both client and backend code.
*/
#undef EXPOSE_TO_CLIENT_CODE
#endif /* GENBKI_H */
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