should be it

external/duckdb/extension/tpcds/dsdgen/include/dsdgen-c/scd.h

@@ -0,0 +1,60 @@
+/*
+ * Legal Notice
+ *
+ * This document and associated source code (the "Work") is a part of a
+ * benchmark specification maintained by the TPC.
+ *
+ * The TPC reserves all right, title, and interest to the Work as provided
+ * under U.S. and international laws, including without limitation all patent
+ * and trademark rights therein.
+ *
+ * No Warranty
+ *
+ * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
+ *     CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
+ *     AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
+ *     WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
+ *     INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
+ *     DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
+ *     PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
+ *     WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
+ *     ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
+ *     QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
+ *     WITH REGARD TO THE WORK.
+ * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
+ *     ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
+ *     COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
+ *     OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
+ *     INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
+ *     OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
+ *     RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
+ *     ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * Contributors:
+ * Gradient Systems
+ */
+#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