64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
/* libpq is not being linked directly and there's no build-time dependency on it.
|
|
* This means we need to manually copy over some definitions from libpq-fe.h
|
|
*/
|
|
|
|
typedef struct PGconn PGconn;
|
|
typedef struct PGresult PGresult;
|
|
|
|
typedef enum {
|
|
PGRES_EMPTY_QUERY = 0, PGRES_COMMAND_OK, PGRES_TUPLES_OK, PGRES_COPY_OUT, PGRES_COPY_IN,
|
|
PGRES_BAD_RESPONSE, PGRES_NONFATAL_ERROR, PGRES_FATAL_ERROR, PGRES_COPY_BOTH,
|
|
PGRES_SINGLE_TUPLE, PGRES_PIPELINE_SYNC, PGRES_PIPELINE_ABORTED, PGRES_TUPLES_CHUNK
|
|
} ExecStatusType;
|
|
typedef enum { PQERRORS_TERSE, PQERRORS_DEFAULT, PQERRORS_VERBOSE, PQERRORS_SQLSTATE } PGVerbosity;
|
|
typedef enum { PQSHOW_CONTEXT_NEVER, PQSHOW_CONTEXT_ERRORS, PQSHOW_CONTEXT_ALWAYS } PGContextVisibility;
|
|
|
|
#define PG_DIAG_SEVERITY 'S'
|
|
#define PG_DIAG_SEVERITY_NONLOCALIZED 'V'
|
|
#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_SCHEMA_NAME 's'
|
|
#define PG_DIAG_TABLE_NAME 't'
|
|
#define PG_DIAG_COLUMN_NAME 'c'
|
|
#define PG_DIAG_DATATYPE_NAME 'd'
|
|
#define PG_DIAG_CONSTRAINT_NAME 'n'
|
|
#define PG_DIAG_SOURCE_FILE 'F'
|
|
#define PG_DIAG_SOURCE_LINE 'L'
|
|
#define PG_DIAG_SOURCE_FUNCTION 'R'
|
|
|
|
#define PG_FUNCS \
|
|
X(PQclear, void, PGresult *) \
|
|
X(PQconnectdb, PGconn *, const char *) \
|
|
X(PQcmdTuples, char *, PGresult *) \
|
|
X(PQerrorMessage, char *, const PGconn *) \
|
|
X(PQexec, PGresult *, PGconn *, const char *) \
|
|
X(PQfinish, void, PGconn *) \
|
|
X(PQfreemem, void, void *) \
|
|
X(PQlibVersion, int, void) \
|
|
X(PQresStatus, char *, ExecStatusType) \
|
|
X(PQresultErrorField, char *, const PGresult *, int) \
|
|
X(PQresultErrorMessage, char *, const PGresult *res) \
|
|
X(PQresultStatus, ExecStatusType, const PGresult *) \
|
|
X(PQresultVerboseErrorMessage, char *, const PGresult *, PGVerbosity, PGContextVisibility) \
|
|
X(PQserverVersion, int, const PGconn *) \
|
|
X(PQstatus, int, const PGconn *)
|
|
|
|
#define X(n, r, ...) static r (*n)(__VA_ARGS__);
|
|
PG_FUNCS
|
|
#undef X
|
|
|
|
static void fupg_load() {
|
|
void *handle = dlopen("libpq.so", RTLD_LAZY);
|
|
if (!handle) croak("Unable to load libpq: %s", dlerror());
|
|
#define X(n, ...) if (!(n = dlsym(handle, #n))) croak("Unable to load libpq: %s", dlerror());
|
|
PG_FUNCS
|
|
#undef X
|
|
}
|
|
|
|
#undef PG_FUNCS
|