Index: trunk/ippdb/src/ippdb.c
===================================================================
--- trunk/ippdb/src/ippdb.c	(revision 11820)
+++ trunk/ippdb/src/ippdb.c	(revision 11867)
@@ -70,4 +70,6 @@
 #define P5DIFFSCFILE_TABLE_NAME "p5DiffScfile"
 #define P6RUN_TABLE_NAME "p6Run"
+#define P6INPUTSCFILE_TABLE_NAME "p6InputScfile"
+#define P6SUMSCFILE_TABLE_NAME "p6SumScfile"
 #define MAX_STRING_LENGTH 1024
 
@@ -16510,2 +16512,721 @@
     return true;
 }
+static void p6InputScfileRowFree(p6InputScfileRow *object);
+
+p6InputScfileRow *p6InputScfileRowAlloc(psS32 p6_id, psS32 p4_id, const char *skycell_id, const char *tess_id)
+{
+    p6InputScfileRow *_object;
+
+    _object = psAlloc(sizeof(p6InputScfileRow));
+    psMemSetDeallocator(_object, (psFreeFunc)p6InputScfileRowFree);
+
+    _object->p6_id = p6_id;
+    _object->p4_id = p4_id;
+    _object->skycell_id = psStringCopy(skycell_id);
+    _object->tess_id = psStringCopy(tess_id);
+
+    return _object;
+}
+
+static void p6InputScfileRowFree(p6InputScfileRow *object)
+{
+    psFree(object->skycell_id);
+    psFree(object->tess_id);
+}
+
+bool p6InputScfileCreateTable(psDB *dbh)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, "Primary Key", 0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p4_id", PS_DATA_S32, "Primary Key", 0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p4_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, "Primary Key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, "Primary Key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBCreateTable(dbh, P6INPUTSCFILE_TABLE_NAME, md);
+
+    psFree(md);
+
+    return status;
+}
+
+bool p6InputScfileDropTable(psDB *dbh)
+{
+    return psDBDropTable(dbh, P6INPUTSCFILE_TABLE_NAME);
+}
+
+bool p6InputScfileInsert(psDB * dbh, psS32 p6_id, psS32 p4_id, const char *skycell_id, const char *tess_id)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, NULL, p6_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p4_id", PS_DATA_S32, NULL, p4_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p4_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, NULL, skycell_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, NULL, tess_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBInsertOneRow(dbh, P6INPUTSCFILE_TABLE_NAME, md);
+    psFree(md);
+
+    return status;
+}
+
+long long p6InputScfileDelete(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    long long count = psDBDeleteRows(dbh, P6INPUTSCFILE_TABLE_NAME, where, limit);
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6InputScfile");
+        return count;
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p6InputScfileInsertObject(psDB *dbh, p6InputScfileRow *object)
+{
+    return p6InputScfileInsert(dbh, object->p6_id, object->p4_id, object->skycell_id, object->tess_id);
+}
+
+bool p6InputScfileInsertObjects(psDB *dbh, psArray *objects)
+{
+    for (long i = 0; i < psArrayLength(objects); i++) {
+        if (!p6InputScfileInsertObject(dbh, objects->data[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool p6InputScfileInsertFits(psDB *dbh, const psFits *fits)
+{
+    psArray         *rowSet;
+
+    // move to (the first?) extension named  P6INPUTSCFILE_TABLE_NAME
+    if (!psFitsMoveExtName(fits, P6INPUTSCFILE_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, true, "failed to find FITS extension %s", P6INPUTSCFILE_TABLE_NAME);
+        return false;
+    }
+
+    // check HDU type
+    if (psFitsGetExtType(fits) != PS_FITS_TYPE_BINARY_TABLE)  {
+        psError(PS_ERR_UNKNOWN, true, "FITS HDU type is not PS_FITS_TYPE_BINARY_TABLE");
+        return false;
+    }
+
+    // read fits table
+    rowSet = psFitsReadTable(fits);
+    if (!rowSet) {
+        psError(PS_ERR_UNKNOWN, true, "FITS read error or FITS table is empty");
+        psFree(rowSet);
+        return false;
+    }
+
+    if (!psDBInsertRows(dbh, P6INPUTSCFILE_TABLE_NAME, rowSet)) {
+        psError(PS_ERR_UNKNOWN, false, "databse insert failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+bool p6InputScfileSelectRowsFits(psDB *dbh, psFits *fits, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+
+    rowSet = psDBSelectRows(dbh, P6INPUTSCFILE_TABLE_NAME, where, limit);
+    if (!rowSet) {
+        return false;
+    }
+
+    // output to fits
+    if (!psFitsWriteTable(fits, NULL, rowSet, P6INPUTSCFILE_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, false, "FITS table write failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+psMetadata *p6InputScfileMetadataFromObject(const p6InputScfileRow *object)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, NULL, object->p6_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p4_id", PS_DATA_S32, NULL, object->p4_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p4_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, NULL, object->skycell_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, NULL, object->tess_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+
+
+    return md;
+}
+
+p6InputScfileRow *p6InputScfileObjectFromMetadata(psMetadata *md)
+{
+
+bool status = false;
+    psS32 p6_id = psMetadataLookupS32(&status, md, "p6_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item p6_id");
+        return false;
+    }
+    psS32 p4_id = psMetadataLookupS32(&status, md, "p4_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item p4_id");
+        return false;
+    }
+    char* skycell_id = psMetadataLookupPtr(&status, md, "skycell_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item skycell_id");
+        return false;
+    }
+    char* tess_id = psMetadataLookupPtr(&status, md, "tess_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item tess_id");
+        return false;
+    }
+
+    return p6InputScfileRowAlloc(p6_id, p4_id, skycell_id, tess_id);
+}
+psArray *p6InputScfileSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+    psArray         *returnSet;
+    psU64           i;
+
+    rowSet = psDBSelectRows(dbh, P6INPUTSCFILE_TABLE_NAME, where, limit);
+    if (!rowSet) {
+        return NULL;
+    }
+
+    // convert psMetadata rows to row objects
+
+    returnSet = psArrayAllocEmpty(rowSet->n);
+
+    for (i = 0; i < rowSet->n; i++) {
+        p6InputScfileRow *object = p6InputScfileObjectFromMetadata(rowSet->data[i]);
+        psArrayAdd(returnSet, 0, object);
+        psFree(object);
+    }
+
+    psFree(rowSet);
+
+    return returnSet;
+}
+bool p6InputScfileDeleteObject(psDB *dbh, const p6InputScfileRow *object)
+{
+    psMetadata *where = p6InputScfileMetadataFromObject(object);
+    long long count = psDBDeleteRows(dbh, P6INPUTSCFILE_TABLE_NAME, where, 0);
+    psFree(where);
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6InputScfile");
+        return false;
+    }
+    if (count > 1) {
+        // XXX should this be a psAbort() instead?  It is possible that
+        // having an object match multiple rows was by design.
+        psError(PS_ERR_UNKNOWN, true, "p6InputScfileRow object matched more then one row.  Check your database schema");
+        return false;
+    }
+
+    return true;
+}
+long long p6InputScfileDeleteRowObjects(psDB *dbh, const psArray *objects, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    for (long long i = 0; i < objects->n; i++) {
+        p6InputScfileRow *object = objects->data[i];
+        psMetadata *where = p6InputScfileMetadataFromObject(object);
+        long long count = psDBDeleteRows(dbh, P6INPUTSCFILE_TABLE_NAME, where, limit);
+        psFree(where);
+        if (count < 0) {
+            psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6InputScfile");
+            return count;
+        }
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p6InputScfilePrintObjects(FILE *stream, psArray *objects, bool mdcf)
+{
+    PS_ASSERT_PTR_NON_NULL(objects, false);
+
+    psMetadata *output = psMetadataAlloc();
+    for (long i = 0; i < psArrayLength(objects); i++) {
+        psMetadata *md = p6InputScfileMetadataFromObject(objects->data[i]);
+        if (!psMetadataAddMetadata(
+            output,
+            PS_LIST_TAIL,
+            P6INPUTSCFILE_TABLE_NAME,
+            PS_META_DUPLICATE_OK,
+            NULL,
+            md
+        )) {
+            psError(PS_ERR_UNKNOWN, false, "failed to add metadata");
+            psFree(md);
+            psFree(output);
+            return false;
+        }
+        psFree(md);
+    }
+
+    if (!ippdbPrintMetadataRaw(stream, output, mdcf)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to print metadata");
+        psFree(output);
+    }
+    psFree(output);
+
+    return true;
+}
+bool p6InputScfilePrintObject(FILE *stream, p6InputScfileRow *object, bool mdcf)
+{
+    PS_ASSERT_PTR_NON_NULL(object, false);
+
+    psMetadata *md = p6InputScfileMetadataFromObject(object);
+
+    if (!ippdbPrintMetadataRaw(stream, md, mdcf)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to print metadata");
+        psFree(md);
+    }
+
+    psFree(md);
+
+    return true;
+}
+static void p6SumScfileRowFree(p6SumScfileRow *object);
+
+p6SumScfileRow *p6SumScfileRowAlloc(psS32 p6_id, const char *skycell_id, const char *tess_id, const char *uri, psF64 bg, psF64 bg_mean_stdev)
+{
+    p6SumScfileRow  *_object;
+
+    _object = psAlloc(sizeof(p6SumScfileRow));
+    psMemSetDeallocator(_object, (psFreeFunc)p6SumScfileRowFree);
+
+    _object->p6_id = p6_id;
+    _object->skycell_id = psStringCopy(skycell_id);
+    _object->tess_id = psStringCopy(tess_id);
+    _object->uri = psStringCopy(uri);
+    _object->bg = bg;
+    _object->bg_mean_stdev = bg_mean_stdev;
+
+    return _object;
+}
+
+static void p6SumScfileRowFree(p6SumScfileRow *object)
+{
+    psFree(object->skycell_id);
+    psFree(object->tess_id);
+    psFree(object->uri);
+}
+
+bool p6SumScfileCreateTable(psDB *dbh)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, "Primary Key", 0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, "Primary Key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, "Primary Key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "uri", PS_DATA_STRING, NULL, "255")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item uri");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg", PS_DATA_F64, NULL, 0.0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg_mean_stdev", PS_DATA_F64, NULL, 0.0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg_mean_stdev");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBCreateTable(dbh, P6SUMSCFILE_TABLE_NAME, md);
+
+    psFree(md);
+
+    return status;
+}
+
+bool p6SumScfileDropTable(psDB *dbh)
+{
+    return psDBDropTable(dbh, P6SUMSCFILE_TABLE_NAME);
+}
+
+bool p6SumScfileInsert(psDB * dbh, psS32 p6_id, const char *skycell_id, const char *tess_id, const char *uri, psF64 bg, psF64 bg_mean_stdev)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, NULL, p6_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, NULL, skycell_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, NULL, tess_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "uri", PS_DATA_STRING, NULL, uri)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item uri");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg", PS_DATA_F64, NULL, bg)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg_mean_stdev", PS_DATA_F64, NULL, bg_mean_stdev)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg_mean_stdev");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBInsertOneRow(dbh, P6SUMSCFILE_TABLE_NAME, md);
+    psFree(md);
+
+    return status;
+}
+
+long long p6SumScfileDelete(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    long long count = psDBDeleteRows(dbh, P6SUMSCFILE_TABLE_NAME, where, limit);
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6SumScfile");
+        return count;
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p6SumScfileInsertObject(psDB *dbh, p6SumScfileRow *object)
+{
+    return p6SumScfileInsert(dbh, object->p6_id, object->skycell_id, object->tess_id, object->uri, object->bg, object->bg_mean_stdev);
+}
+
+bool p6SumScfileInsertObjects(psDB *dbh, psArray *objects)
+{
+    for (long i = 0; i < psArrayLength(objects); i++) {
+        if (!p6SumScfileInsertObject(dbh, objects->data[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool p6SumScfileInsertFits(psDB *dbh, const psFits *fits)
+{
+    psArray         *rowSet;
+
+    // move to (the first?) extension named  P6SUMSCFILE_TABLE_NAME
+    if (!psFitsMoveExtName(fits, P6SUMSCFILE_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, true, "failed to find FITS extension %s", P6SUMSCFILE_TABLE_NAME);
+        return false;
+    }
+
+    // check HDU type
+    if (psFitsGetExtType(fits) != PS_FITS_TYPE_BINARY_TABLE)  {
+        psError(PS_ERR_UNKNOWN, true, "FITS HDU type is not PS_FITS_TYPE_BINARY_TABLE");
+        return false;
+    }
+
+    // read fits table
+    rowSet = psFitsReadTable(fits);
+    if (!rowSet) {
+        psError(PS_ERR_UNKNOWN, true, "FITS read error or FITS table is empty");
+        psFree(rowSet);
+        return false;
+    }
+
+    if (!psDBInsertRows(dbh, P6SUMSCFILE_TABLE_NAME, rowSet)) {
+        psError(PS_ERR_UNKNOWN, false, "databse insert failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+bool p6SumScfileSelectRowsFits(psDB *dbh, psFits *fits, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+
+    rowSet = psDBSelectRows(dbh, P6SUMSCFILE_TABLE_NAME, where, limit);
+    if (!rowSet) {
+        return false;
+    }
+
+    // output to fits
+    if (!psFitsWriteTable(fits, NULL, rowSet, P6SUMSCFILE_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, false, "FITS table write failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+psMetadata *p6SumScfileMetadataFromObject(const p6SumScfileRow *object)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "p6_id", PS_DATA_S32, NULL, object->p6_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item p6_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, NULL, object->skycell_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, NULL, object->tess_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "uri", PS_DATA_STRING, NULL, object->uri)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item uri");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg", PS_DATA_F64, NULL, object->bg)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "bg_mean_stdev", PS_DATA_F64, NULL, object->bg_mean_stdev)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item bg_mean_stdev");
+        psFree(md);
+        return false;
+    }
+
+
+    return md;
+}
+
+p6SumScfileRow *p6SumScfileObjectFromMetadata(psMetadata *md)
+{
+
+bool status = false;
+    psS32 p6_id = psMetadataLookupS32(&status, md, "p6_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item p6_id");
+        return false;
+    }
+    char* skycell_id = psMetadataLookupPtr(&status, md, "skycell_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item skycell_id");
+        return false;
+    }
+    char* tess_id = psMetadataLookupPtr(&status, md, "tess_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item tess_id");
+        return false;
+    }
+    char* uri = psMetadataLookupPtr(&status, md, "uri");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item uri");
+        return false;
+    }
+    psF64 bg = psMetadataLookupF64(&status, md, "bg");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item bg");
+        return false;
+    }
+    psF64 bg_mean_stdev = psMetadataLookupF64(&status, md, "bg_mean_stdev");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item bg_mean_stdev");
+        return false;
+    }
+
+    return p6SumScfileRowAlloc(p6_id, skycell_id, tess_id, uri, bg, bg_mean_stdev);
+}
+psArray *p6SumScfileSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+    psArray         *returnSet;
+    psU64           i;
+
+    rowSet = psDBSelectRows(dbh, P6SUMSCFILE_TABLE_NAME, where, limit);
+    if (!rowSet) {
+        return NULL;
+    }
+
+    // convert psMetadata rows to row objects
+
+    returnSet = psArrayAllocEmpty(rowSet->n);
+
+    for (i = 0; i < rowSet->n; i++) {
+        p6SumScfileRow *object = p6SumScfileObjectFromMetadata(rowSet->data[i]);
+        psArrayAdd(returnSet, 0, object);
+        psFree(object);
+    }
+
+    psFree(rowSet);
+
+    return returnSet;
+}
+bool p6SumScfileDeleteObject(psDB *dbh, const p6SumScfileRow *object)
+{
+    psMetadata *where = p6SumScfileMetadataFromObject(object);
+    long long count = psDBDeleteRows(dbh, P6SUMSCFILE_TABLE_NAME, where, 0);
+    psFree(where);
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6SumScfile");
+        return false;
+    }
+    if (count > 1) {
+        // XXX should this be a psAbort() instead?  It is possible that
+        // having an object match multiple rows was by design.
+        psError(PS_ERR_UNKNOWN, true, "p6SumScfileRow object matched more then one row.  Check your database schema");
+        return false;
+    }
+
+    return true;
+}
+long long p6SumScfileDeleteRowObjects(psDB *dbh, const psArray *objects, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    for (long long i = 0; i < objects->n; i++) {
+        p6SumScfileRow *object = objects->data[i];
+        psMetadata *where = p6SumScfileMetadataFromObject(object);
+        long long count = psDBDeleteRows(dbh, P6SUMSCFILE_TABLE_NAME, where, limit);
+        psFree(where);
+        if (count < 0) {
+            psError(PS_ERR_UNKNOWN, true, "failed to delete row from p6SumScfile");
+            return count;
+        }
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p6SumScfilePrintObjects(FILE *stream, psArray *objects, bool mdcf)
+{
+    PS_ASSERT_PTR_NON_NULL(objects, false);
+
+    psMetadata *output = psMetadataAlloc();
+    for (long i = 0; i < psArrayLength(objects); i++) {
+        psMetadata *md = p6SumScfileMetadataFromObject(objects->data[i]);
+        if (!psMetadataAddMetadata(
+            output,
+            PS_LIST_TAIL,
+            P6SUMSCFILE_TABLE_NAME,
+            PS_META_DUPLICATE_OK,
+            NULL,
+            md
+        )) {
+            psError(PS_ERR_UNKNOWN, false, "failed to add metadata");
+            psFree(md);
+            psFree(output);
+            return false;
+        }
+        psFree(md);
+    }
+
+    if (!ippdbPrintMetadataRaw(stream, output, mdcf)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to print metadata");
+        psFree(output);
+    }
+    psFree(output);
+
+    return true;
+}
+bool p6SumScfilePrintObject(FILE *stream, p6SumScfileRow *object, bool mdcf)
+{
+    PS_ASSERT_PTR_NON_NULL(object, false);
+
+    psMetadata *md = p6SumScfileMetadataFromObject(object);
+
+    if (!ippdbPrintMetadataRaw(stream, md, mdcf)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to print metadata");
+        psFree(md);
+    }
+
+    psFree(md);
+
+    return true;
+}