diff options
Diffstat (limited to 'Frameworks/PostgresKit/Libs/libpq/include/postgres_ext.h')
-rw-r--r-- | Frameworks/PostgresKit/Libs/libpq/include/postgres_ext.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Frameworks/PostgresKit/Libs/libpq/include/postgres_ext.h b/Frameworks/PostgresKit/Libs/libpq/include/postgres_ext.h new file mode 100644 index 00000000..b6ebb7aa --- /dev/null +++ b/Frameworks/PostgresKit/Libs/libpq/include/postgres_ext.h @@ -0,0 +1,59 @@ +/*------------------------------------------------------------------------- + * + * 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 |