include/qore/QoreNullNode.h File Reference

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#include <qore/AbstractQoreNode.h>

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Classes

class  QoreNullNode
 Qore's SQL "NULL" parse tree/value type, not-referenced counted, not dynamically allocated. More...

Functions

static bool is_null (const AbstractQoreNode *n)
 use this function to test for NULL
static QoreNullNodenull ()
 returns a pointer to Null

Variables

DLLEXPORT QoreNullNode Null
 the global and unique NULL value in Qore


Detailed Description

defines the QoreNullNode class

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