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You In Here : //proc/self/root/usr/include/pgsql/ndim) #define ARR_HASNULL(a) ((a)->dataoffset != 0) #define ARR_ELEMTYPE(a) ((a)->elemtype) #define ARR_DIMS(a) \ ((int *) (((char *) (a)) + sizeof(ArrayType))) #define ARR_LBOUND(a) \ ((int *) (((char *) (a)) + sizeof(ArrayType) + \ sizeof(int) * ARR_NDIM(a))) #define ARR_NULLBITMAP(a) \ (ARR_HASNULL(a) ? \ (bits8 *) (((char *) (a)) + sizeof(ArrayType) + \ 2 * sizeof(int) * ARR_NDIM(a)) \ : (bits8 *) NULL) /* * The total array header size (in bytes) for an array with the specified * number of dimensions and total number of items. */ #define ARR_OVERHEAD_NONULLS(ndims) \ MAXALIGN(sizeof(ArrayType) + 2 * sizeof(int) * (ndims)) #define ARR_OVERHEAD_WITHNULLS(ndims, nitems) \ MAXALIGN(sizeof(ArrayType) + 2 * sizeof(int) * (ndims) + \ ((nitems) + 7) / 8) #define ARR_DATA_OFFSET(a) \ (ARR_HASNULL(a) ? (a)->dataoffset : ARR_OVERHEAD_NONULLS(ARR_NDIM(a))) /* * Returns a pointer to the actual array data. */ #define ARR_DATA_PTR(a) \ (((char *) (a)) + ARR_DATA_OFFSET(a)) /* * GUC parameter */ extern bool Array_nulls; /* * prototypes for functions defined in arrayfuncs.c */ extern Datum array_in(PG_FUNCTION_ARGS); extern Datum array_out(PG_FUNCTION_ARGS); extern Datum array_recv(PG_FUNCTION_ARGS); extern Datum array_send(PG_FUNCTION_ARGS); extern Datum array_eq(PG_FUNCTION_ARGS); extern Datum array_ne(PG_FUNCTION_ARGS); extern Datum array_lt(PG_FUNCTION_ARGS); extern Datum array_gt(PG_FUNCTION_ARGS); extern Datum array_le(PG_FUNCTION_ARGS); extern Datum array_ge(PG_FUNCTION_ARGS); extern Datum btarraycmp(PG_FUNCTION_ARGS); extern Datum hash_array(PG_FUNCTION_ARGS); extern Datum arrayoverlap(PG_FUNCTION_ARGS); extern Datum arraycontains(PG_FUNCTION_ARGS); extern Datum arraycontained(PG_FUNCTION_ARGS); extern Datum array_ndims(PG_FUNCTION_ARGS); extern Datum array_dims(PG_FUNCTION_ARGS); extern Datum array_lower(PG_FUNCTION_ARGS); extern Datum array_upper(PG_FUNCTION_ARGS); extern Datum array_length(PG_FUNCTION_ARGS); extern Datum array_larger(PG_FUNCTION_ARGS); extern Datum array_smaller(PG_FUNCTION_ARGS); extern Datum generate_subscripts(PG_FUNCTION_ARGS); extern Datum generate_subscripts_nodir(PG_FUNCTION_ARGS); extern Datum array_fill(PG_FUNCTION_ARGS); extern Datum array_fill_with_lower_bounds(PG_FUNCTION_ARGS); extern Datum array_unnest(PG_FUNCTION_ARGS); extern Datum array_ref(ArrayType *array, int nSubscripts, int *indx, int arraytyplen, int elmlen, bool elmbyval, char elmalign, bool *isNull); extern ArrayType *array_set(ArrayType *array, int nSubscripts, int *indx, Datum dataValue, bool isNull, int arraytyplen, int elmlen, bool elmbyval, char elmalign); extern ArrayType *array_get_slice(ArrayType *array, int nSubscripts, int *upperIndx, int *lowerIndx, int arraytyplen, int elmlen, bool elmbyval, char elmalign); extern ArrayType *array_set_slice(ArrayType *array, int nSubscripts, int *upperIndx, int *lowerIndx, ArrayType *srcArray, bool isNull, int arraytyplen, int elmlen, bool elmbyval, char elmalign); extern Datum array_map(FunctionCallInfo fcinfo, Oid inpType, Oid retType, ArrayMapState *amstate); extern void array_bitmap_copy(bits8 *destbitmap, int destoffset, const bits8 *srcbitmap, int srcoffset, int nitems); extern ArrayType *construct_array(Datum *elems, int nelems, Oid elmtype, int elmlen, bool elmbyval, char elmalign); extern ArrayType *construct_md_array(Datum *elems, bool *nulls, int ndims, int *dims, int *lbs, Oid elmtype, int elmlen, bool elmbyval, char elmalign); extern ArrayType *construct_empty_array(Oid elmtype); extern void deconstruct_array(ArrayType *array, Oid elmtype, int elmlen, bool elmbyval, char elmalign, Datum **elemsp, bool **nullsp, int *nelemsp); extern bool array_contains_nulls(ArrayType *array); extern ArrayBuildState *accumArrayResult(ArrayBuildState *astate, Datum dvalue, bool disnull, Oid element_type, MemoryContext rcontext); extern Datum makeArrayResult(ArrayBuildState *astate, MemoryContext rcontext); extern Datum makeMdArrayResult(ArrayBuildState *astate, int ndims, int *dims, int *lbs, MemoryContext rcontext, bool release); extern ArrayIterator array_create_iterator(ArrayType *arr, int slice_ndim); extern bool array_iterate(ArrayIterator iterator, Datum *value, bool *isnull); extern void array_free_iterator(ArrayIterator iterator); /* * prototypes for functions defined in arrayutils.c */ extern int ArrayGetOffset(int n, const int *dim, const int *lb, const int *indx); extern int ArrayGetOffset0(int n, const int *tup, const int *scale); extern int ArrayGetNItems(int ndim, const int *dims); extern void mda_get_range(int n, int *span, const int *st, const int *endp); extern void mda_get_prod(int n, const int *range, int *prod); extern void mda_get_offset_values(int n, int *dist, const int *prod, const int *span); extern int mda_next_tuple(int n, int *curr, const int *span); extern int32 *ArrayGetIntegerTypmods(ArrayType *arr, int *n); extern void ArrayCheckBounds(int ndim, const int *dims, const int *lb); /* * prototypes for functions defined in array_userfuncs.c */ extern Datum array_push(PG_FUNCTION_ARGS); extern Datum array_cat(PG_FUNCTION_ARGS); extern ArrayType *create_singleton_array(FunctionCallInfo fcinfo, Oid element_type, Datum element, bool isNull, int ndims); extern Datum array_agg_transfn(PG_FUNCTION_ARGS); extern Datum array_agg_finalfn(PG_FUNCTION_ARGS); /* * prototypes for functions defined in array_typanalyze.c */ extern Datum array_typanalyze(PG_FUNCTION_ARGS); #endif /* ARRAY_H */