23 #define HENTRY_ISFIRST 0x80000000 24 #define HENTRY_ISNULL 0x40000000 25 #define HENTRY_POSMASK 0x3FFFFFFF 28 #define HSE_ISFIRST(he_) (((he_).entry & HENTRY_ISFIRST) != 0) 29 #define HSE_ISNULL(he_) (((he_).entry & HENTRY_ISNULL) != 0) 30 #define HSE_ENDPOS(he_) ((he_).entry & HENTRY_POSMASK) 31 #define HSE_OFF(he_) (HSE_ISFIRST(he_) ? 0 : HSE_ENDPOS((&(he_))[-1])) 32 #define HSE_LEN(he_) (HSE_ISFIRST(he_) \ 34 : HSE_ENDPOS(he_) - HSE_ENDPOS((&(he_))[-1])) 41 #define HSTORE_MAX_KEY_LEN 0x3FFFFFFF 42 #define HSTORE_MAX_VALUE_LEN 0x3FFFFFFF 59 #define HS_FLAG_NEWVERSION 0x80000000 61 #define HS_COUNT(hsp_) ((hsp_)->size_ & 0x0FFFFFFF) 62 #define HS_SETCOUNT(hsp_,c_) ((hsp_)->size_ = (c_) | HS_FLAG_NEWVERSION) 71 #define HSHRDSIZE (sizeof(HStore)) 72 #define CALCDATASIZE(x, lenstr) ( (x) * 2 * sizeof(HEntry) + HSHRDSIZE + (lenstr) ) 75 #define ARRPTR(x) ( (HEntry*) ( (HStore*)(x) + 1 ) ) 76 #define STRPTR(x) ( (char*)(ARRPTR(x) + HS_COUNT((HStore*)(x)) * 2) ) 79 #define HSTORE_KEY(arr_,str_,i_) ((str_) + HSE_OFF((arr_)[2*(i_)])) 80 #define HSTORE_VAL(arr_,str_,i_) ((str_) + HSE_OFF((arr_)[2*(i_)+1])) 81 #define HSTORE_KEYLEN(arr_,i_) (HSE_LEN((arr_)[2*(i_)])) 82 #define HSTORE_VALLEN(arr_,i_) (HSE_LEN((arr_)[2*(i_)+1])) 83 #define HSTORE_VALISNULL(arr_,i_) (HSE_ISNULL((arr_)[2*(i_)+1])) 99 #define HS_COPYITEM(dent_,dbuf_,dptr_,sptr_,klen_,vlen_,vnull_) \ 101 memcpy((dptr_), (sptr_), (klen_)+(vlen_)); \ 102 (dptr_) += (klen_)+(vlen_); \ 103 (dent_)++->entry = ((dptr_) - (dbuf_) - (vlen_)) & HENTRY_POSMASK; \ 104 (dent_)++->entry = ((((dptr_) - (dbuf_)) & HENTRY_POSMASK) \ 105 | ((vnull_) ? HENTRY_ISNULL : 0)); \ 112 #define HS_ADDITEM(dent_,dbuf_,dptr_,pair_) \ 114 memcpy((dptr_), (pair_).key, (pair_).keylen); \ 115 (dptr_) += (pair_).keylen; \ 116 (dent_)++->entry = ((dptr_) - (dbuf_)) & HENTRY_POSMASK; \ 117 if ((pair_).isnull) \ 118 (dent_)++->entry = ((((dptr_) - (dbuf_)) & HENTRY_POSMASK) \ 122 memcpy((dptr_), (pair_).val, (pair_).vallen); \ 123 (dptr_) += (pair_).vallen; \ 124 (dent_)++->entry = ((dptr_) - (dbuf_)) & HENTRY_POSMASK; \ 129 #define HS_FINALIZE(hsp_,count_,buf_,ptr_) \ 131 int buflen = (ptr_) - (buf_); \ 133 ARRPTR(hsp_)[0].entry |= HENTRY_ISFIRST; \ 134 if ((count_) != HS_COUNT((hsp_))) \ 136 HS_SETCOUNT((hsp_),(count_)); \ 137 memmove(STRPTR(hsp_), (buf_), buflen); \ 139 SET_VARSIZE((hsp_), CALCDATASIZE((count_), buflen)); \ 143 #define HS_FIXSIZE(hsp_,count_) \ 145 int bl = (count_) ? HSE_ENDPOS(ARRPTR(hsp_)[2*(count_)-1]) : 0; \ 146 SET_VARSIZE((hsp_), CALCDATASIZE((count_),bl)); \ 152 #define DatumGetHStoreP(d) hstoreUpgrade(d) 154 #define PG_GETARG_HSTORE_P(x) DatumGetHStoreP(PG_GETARG_DATUM(x)) 180 #define HStoreContainsStrategyNumber 7 181 #define HStoreExistsStrategyNumber 9 182 #define HStoreExistsAnyStrategyNumber 10 183 #define HStoreExistsAllStrategyNumber 11 184 #define HStoreOldContainsStrategyNumber 13 190 #ifndef HSTORE_POLLUTE_NAMESPACE 191 #define HSTORE_POLLUTE_NAMESPACE 1 194 #if HSTORE_POLLUTE_NAMESPACE 195 #define HSTORE_POLLUTE(newname_,oldname_) \ 196 PG_FUNCTION_INFO_V1(oldname_); \ 197 Datum newname_(PG_FUNCTION_ARGS); \ 198 Datum oldname_(PG_FUNCTION_ARGS) { return newname_(fcinfo); } \ 199 extern int no_such_variable 201 #define HSTORE_POLLUTE(newname_,oldname_) \ 202 extern int no_such_variable
size_t hstoreCheckValLen(size_t len)
Pairs * hstoreArrayToPairs(ArrayType *a, int *npairs)
size_t hstoreCheckKeyLen(size_t len)
int hstoreFindKey(HStore *hs, int *lowbound, char *key, int keylen)
HStore * hstorePairs(Pairs *pairs, int32 pcount, int32 buflen)
HStore * hstoreUpgrade(Datum orig)
int hstoreUniquePairs(Pairs *a, int32 l, int32 *buflen)