instruction.h File Reference

Structures for instruction management. More...

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Data Structures
struct	charray
	An array of char* (string) More...
struct	condition
	An equality condition. More...
struct	instr
	One yacDB instruction, this type is meant to be casted into other instr type. More...
struct	SelInstr
	Select instruction. More...
struct	CrtInstr
	Create instruction. More...
struct	AddInstr
	Add instruction. More...
struct	InstrArray
	An array of instruction. More...

Macros
#define	IDENT_MAX_LEGHT   20
#define	COLUMNS_MAX_NB   10

Typedefs
typedef enum dataType	dataType
typedef enum instrType	instrType
	The different instruction types, such as select or add.
typedef struct charray	charray
	An array of char* (string)
typedef struct instr	instr
	One yacDB instruction, this type is meant to be casted into other instr type.
typedef struct InstrArray	InstrArray
	An array of instruction.

Enumerations
enum	dataType { integer , string , unknownDataType }
enum	instrType {   sel , upd , del , add ,   crt , drop , unknownInstrType }
	The different instruction types, such as select or add. More...

Detailed Description

Structures for instruction management.

Author

Mateo

Enumeration Type Documentation

instrType

enum instrType

The different instruction types, such as select or add.

Enumerator
sel	Select, same as SELECT in sql.
upd	Update (not implemented)
del	Delete (not implemented)
add	Add, for data insertion.
crt	Create, for table creation.
drop	Drop (not implemented)
unknownInstrType	Unknown, when there is a parsing error.