/*
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 * Contributors:
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 */
#ifndef SCD_H
#define SCD_H

#include "decimal.h"
#include "tables.h"

extern char arBKeys[MAX_TABLE][17];
int setSCDKeys(int nTableID, ds_key_t hgIndex, char *szBKey, ds_key_t *hgBeginDateKey, ds_key_t *hgEndDateKey);
ds_key_t scd_join(int tbl, int col, ds_key_t jDate);
ds_key_t matchSCDSK(ds_key_t kUnique, ds_key_t jDate, int nTable);
ds_key_t getSKFromID(ds_key_t kID, int nColumn);
ds_key_t getFirstSK(ds_key_t kID);
/*
 * handle the partial change of a history keeping record
 * TODO: remove the macros in favor of straight fucntion calls
 */
#define SCD_INT  0
#define SCD_CHAR 1
#define SCD_DEC  2
#define SCD_KEY  3
#define SCD_PTR  4
void changeSCD(int nDataType, void *pNewData, void *pOldData, int *nFlags, int bFirst);
int validateSCD(int nTable, ds_key_t kRow, int *Permutation);
void printValidation(int nTable, ds_key_t kRow);
#endif