static bool
executeExpr(char *jqBase, int32 jqPos, int32 op, JsonbValue *jb)
{
int32 type;
int32 nextPos;
check_stack_depth();
/*
* read arg type
*/
jqPos = readJsQueryHeader(jqBase, jqPos, &type, &nextPos);
Assert(nextPos == 0);
Assert(type == jqiAny || type == jqiString || type == jqiNumeric ||
type == jqiNull || type == jqiBool || type == jqiArray);
switch(op)
{
case jqiEqual:
if (jb->type == jbvBinary && type == jqiArray)
return checkArrayEquality(jqBase, jqPos, type, jb);
return checkEquality(jqBase, jqPos, type, jb);
case jqiIn:
return checkIn(jqBase, jqPos, type, jb);
case jqiOverlap:
case jqiContains:
case jqiContained:
return executeArrayOp(jqBase, jqPos, type, op, jb);
case jqiLess:
case jqiGreater:
case jqiLessOrEqual:
case jqiGreaterOrEqual:
return makeCompare(jqBase, jqPos, type, op, jb);
default:
elog(ERROR, "Unknown operation");
}
return false;
}
static bool
executeExpr(JsQueryItem *jsq, int32 op, JsonbValue *jb, JsQueryItem *jsqLeftArg)
{
bool res = false;
/*
* read arg type
*/
Assert(jsqGetNext(jsq, NULL) == false);
Assert(jsq->type == jqiAny || jsq->type == jqiString || jsq->type == jqiNumeric ||
jsq->type == jqiNull || jsq->type == jqiBool || jsq->type == jqiArray);
if (jsqLeftArg && jsqLeftArg->type == jqiLength)
{
if (JsonbType(jb) == jbvArray || JsonbType(jb) == jbvObject)
{
int32 length;
JsonbIterator *it;
JsonbValue v;
int r;
it = JsonbIteratorInit(jb->val.binary.data);
r = JsonbIteratorNext(&it, &v, true);
Assert(r == WJB_BEGIN_ARRAY || r == WJB_BEGIN_OBJECT);
length = (r == WJB_BEGIN_ARRAY) ? v.val.array.nElems : v.val.object.nPairs;
v.type = jbvNumeric;
v.val.numeric = DatumGetNumeric(DirectFunctionCall1(int4_numeric, Int32GetDatum(length)));
switch(op)
{
case jqiEqual:
case jqiLess:
case jqiGreater:
case jqiLessOrEqual:
case jqiGreaterOrEqual:
res = makeCompare(jsq, op, &v);
break;
case jqiIn:
res = checkScalarIn(jsq, &v);
break;
case jqiOverlap:
case jqiContains:
case jqiContained:
break;
default:
elog(ERROR, "Unknown operation");
}
}
}
else
{
switch(op)
{
case jqiEqual:
if (JsonbType(jb) == jbvArray && jsq->type == jqiArray)
res = checkArrayEquality(jsq, jb);
else
res = checkScalarEquality(jsq, jb);
break;
case jqiIn:
res = checkScalarIn(jsq, jb);
break;
case jqiOverlap:
case jqiContains:
case jqiContained:
res = executeArrayOp(jsq, op, jb);
break;
case jqiLess:
case jqiGreater:
case jqiLessOrEqual:
case jqiGreaterOrEqual:
res = makeCompare(jsq, op, jb);
break;
default:
elog(ERROR, "Unknown operation");
}
}
return res;
}
