/Users/green/Documents/workspace/DavisDB_public/RecordFileScan.h File Reference

#include "RecordManager.h"
#include "Record.h"

Go to the source code of this file.

Classes
class	RecordFileScan
	Class for executing scans of record files. More...
Enumerations
enum	AttributeType { INTEGER, FLOAT, STRING }
	Attribute types supported by RecordFileScan. More...
enum	ComparisonOp {   EQ_OP, LT_OP, GT_OP, LE_OP,   GE_OP, NE_OP, NO_OP }
	The comparisons supported by RecordFileScan. More...

---

Detailed Description

---

Enumeration Type Documentation

enum AttributeType

Attribute types supported by RecordFileScan.

Enumerator:

INTEGER	integer (int)
FLOAT	floating point (float)
STRING	character string of length <= MAX_STRING_LEN

enum ComparisonOp

The comparisons supported by RecordFileScan.

Enumerator:

EQ_OP	equal (i.e., attribute == value)
LT_OP	less-than (i.e., attribute < value)
GT_OP	greater-than (i.e., attribute > value)
LE_OP	less-than-or-equal (i.e., attribute <= value)
GE_OP	greater-than-or-equal (i.e., attribute >= value)
NE_OP	not-equal (i.e., attribute != value)
NO_OP	no comparison (when value is a null pointer)