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Commit390f7df

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committed
Partly working vodka opclass...
1 parent91f7fc0 commit390f7df

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1 file changed

+75
-94
lines changed

1 file changed

+75
-94
lines changed

‎jsonb_vodka_ops.c‎

Lines changed: 75 additions & 94 deletions
Original file line numberDiff line numberDiff line change
@@ -37,6 +37,7 @@ typedef struct
3737
#defineJSONB_VODKA_FLAG_STRING0x02
3838
#defineJSONB_VODKA_FLAG_NUMERIC0x04
3939
#defineJSONB_VODKA_FLAG_BOOL0x06
40+
#defineJSONB_VODKA_FLAG_TYPE0x06
4041
#defineJSONB_VODKA_FLAG_TRUE0x08
4142
#defineJSONB_VODKA_FLAG_NAN0x08
4243
#defineJSONB_VODKA_FLAG_NEGATIVE0x10
@@ -184,10 +185,7 @@ get_vodka_key(PathStack *stack, const JsonbValue *val)
184185
vallen=5;
185186
break;
186187
casejbvNumeric:
187-
if (NUMERIC_IS_NAN(val->val.numeric))
188-
vallen=1;
189-
else
190-
vallen=get_ndigits(val->val.numeric)+6;
188+
vallen=1+VARSIZE_ANY(val->val.numeric);
191189
break;
192190
default:
193191
elog(ERROR,"invalid jsonb scalar type");
@@ -234,8 +232,8 @@ get_vodka_key(PathStack *stack, const JsonbValue *val)
234232
memcpy(ptr+1,&hash,sizeof(hash));
235233
break;
236234
casejbvNumeric:
237-
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_STRING;
238-
write_numeric_key(ptr,val->val.numeric);
235+
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_NUMERIC;
236+
memcpy(ptr+1,val->val.numeric,VARSIZE_ANY(val->val.numeric));
239237
break;
240238
default:
241239
elog(ERROR,"invalid jsonb scalar type");
@@ -244,116 +242,103 @@ get_vodka_key(PathStack *stack, const JsonbValue *val)
244242
returnresult;
245243
}
246244

247-
staticint
248-
make_entry_handler(ExtractedNode*node,Pointerextra)
245+
typedefstruct
249246
{
250-
Entries*e= (Entries*)extra;
251-
PathItem*item;
252-
inttotallen=VARHDRSZ,vallen,jqPos,len;
253-
Pointerptr;
254-
JsQueryValue*value;
255-
Numericnumeric=NULL;
256-
char*jqBase;
257-
uint32hash;
258-
bytea*result;
259-
260-
Assert(node->type==eScalar);
261-
262-
if (node->bounds.inequality||node->bounds.exact->type==jqiAny)
263-
return-1;
264-
265-
item=node->path;
266-
while (item)
267-
{
268-
if (item->type==iKey)
269-
totallen+=item->len+2;
270-
elseif (item->type==iAnyArray)
271-
totallen+=1;
272-
else
273-
return-1;
274-
item=item->parent;
275-
}
247+
uint8type;
248+
uint32hash;
249+
Numericn;
250+
}JsonbVodkaValue;
276251

277-
value=node->bounds.exact;
278-
switch(value->type)
279-
{
280-
casejqiNull:
281-
casejqiBool:
282-
vallen=1;
283-
break;
284-
casejqiString:
285-
vallen=5;
286-
break;
287-
casejqiNumeric:
288-
numeric= (Numeric)(value->jqBase+value->jqPos);
289-
if (NUMERIC_IS_NAN(numeric))
290-
vallen=1;
291-
else
292-
vallen=get_ndigits(numeric)+6;
293-
break;
294-
default:
295-
elog(ERROR,"Wrong state");
296-
}
252+
typedefstruct
253+
{
254+
intpathLength;
255+
PathItem*path;
256+
JsonbVodkaValue*exact,*leftBound,*rightBound;
257+
boolinequality,leftInclusive,rightInclusive;
258+
}JsonbVodkaKey;
259+
260+
staticJsonbVodkaValue*
261+
make_vodka_value(JsQueryValue*value)
262+
{
263+
JsonbVodkaValue*result;
264+
int32len,jqPos;
265+
char*jqBase;
297266

298-
totallen+=vallen;
299-
result= (bytea*)palloc(totallen);
300-
SET_VARSIZE(result,totallen);
301-
ptr= (Pointer)result+totallen-vallen;
267+
if (!value)
268+
returnNULL;
302269

303-
item=node->path;
304-
while (item)
305-
{
306-
if (item->type==iKey)
307-
{
308-
ptr-=item->len+2;
309-
ptr[0]=0;
310-
memcpy(ptr+1,item->s,item->len);
311-
ptr[item->len+1]=0;
312-
}
313-
elseif (item->type==iAnyArray)
314-
{
315-
ptr--;
316-
*ptr=JSONB_VODKA_FLAG_ARRAY;
317-
}
318-
else
319-
{
320-
return-1;
321-
}
322-
item=item->parent;
323-
}
270+
result= (JsonbVodkaValue*)palloc(sizeof(JsonbVodkaValue));
324271

325-
ptr= (Pointer)result+totallen-vallen;
326272
jqBase=value->jqBase;
327273
jqPos=value->jqPos;
328274

329275
switch (value->type)
330276
{
331277
casejbvNull:
332-
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_NULL;
278+
result->type=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_NULL;
333279
break;
334280
casejbvBool:
335-
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_BOOL;
281+
result->type=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_BOOL;
336282
read_byte(len,jqBase,jqPos);
337283
if (len)
338-
*ptr |=JSONB_VODKA_FLAG_TRUE;
284+
result->type |=JSONB_VODKA_FLAG_TRUE;
339285
break;
340286
casejbvString:
341-
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_STRING;
287+
result->type=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_STRING;
342288
read_int32(len,jqBase,jqPos);
343-
hash=hash_any((unsignedchar*)jqBase+jqPos,len);
344-
memcpy(ptr+1,&hash,sizeof(hash));
289+
result->hash=hash_any((unsignedchar*)jqBase+jqPos,len);
345290
break;
346291
casejbvNumeric:
347-
*ptr=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_STRING;
348-
write_numeric_key(ptr,numeric);
292+
result->type=JSONB_VODKA_FLAG_VALUE |JSONB_VODKA_FLAG_NUMERIC;
293+
result->n= (Numeric)(jqBase+jqPos);
349294
break;
350295
default:
351296
elog(ERROR,"invalid jsonb scalar type");
352297
}
353-
354-
returnadd_entry(e,PointerGetDatum(result),NULL,ByteaEqualOperator, false);
298+
returnresult;
355299
}
356300

301+
staticint
302+
make_entry_handler(ExtractedNode*node,Pointerextra)
303+
{
304+
Entries*e= (Entries*)extra;
305+
PathItem*item;
306+
JsonbVodkaKey*key= (JsonbVodkaKey*)palloc(sizeof(JsonbVodkaKey));
307+
intlength=0,i;
308+
309+
item=node->path;
310+
while (item)
311+
{
312+
length++;
313+
item=item->parent;
314+
}
315+
key->pathLength=length;
316+
key->path= (PathItem*)palloc(sizeof(PathItem)*length);
317+
318+
i=length-1;
319+
item=node->path;
320+
while (item)
321+
{
322+
key->path[i]=*item;
323+
i--;
324+
item=item->parent;
325+
}
326+
327+
key->inequality=node->bounds.inequality;
328+
key->leftInclusive=node->bounds.leftInclusive;
329+
key->rightInclusive=node->bounds.rightInclusive;
330+
if (key->inequality)
331+
{
332+
key->leftBound=make_vodka_value(node->bounds.leftBound);
333+
key->rightBound=make_vodka_value(node->bounds.rightBound);
334+
}
335+
else
336+
{
337+
key->exact=make_vodka_value(node->bounds.exact);
338+
}
339+
340+
returnadd_entry(e,PointerGetDatum(key),NULL,VodkaMatchOperator, false);
341+
}
357342

358343
/*
359344
* extractValue support function
@@ -474,15 +459,11 @@ vodkaqueryjsonbextract(PG_FUNCTION_ARGS)
474459
keys[i].extra= (Pointer)root;
475460
break;
476461

477-
478-
break;
479-
480462
default:
481463
elog(ERROR,"unrecognized strategy number: %d",strategy);
482464
break;
483465
}
484466

485-
486467
/* ...although "contains {}" requires a full index scan */
487468
if (*nentries==0)
488469
*searchMode=VODKA_SEARCH_MODE_ALL;

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