Index: /trunk/ippdb/Makefile.am
===================================================================
--- /trunk/ippdb/Makefile.am	(revision 9787)
+++ /trunk/ippdb/Makefile.am	(revision 9788)
@@ -26,4 +26,5 @@
     $(top_builddir)/docs/man/man3/p3PendingExpRow.3 \
     $(top_builddir)/docs/man/man3/p3ProcessedExpRow.3 \
+    $(top_builddir)/docs/man/man3/p3MaskRow.3 \
     $(top_builddir)/docs/man/man3/detRunRow.3 \
     $(top_builddir)/docs/man/man3/detInputExpRow.3 \
@@ -41,5 +42,5 @@
 
 
-docs/man/man3/ippdb.3 docs/man/man3/summitExpRow.3 docs/man/man3/pzPendingExpRow.3 docs/man/man3/pzPendingImfileRow.3 docs/man/man3/newExpRow.3 docs/man/man3/newImfileRow.3 docs/man/man3/rawDetrendExpRow.3 docs/man/man3/rawScienceExpRow.3 docs/man/man3/rawImfileRow.3 docs/man/man3/p1PendingExpRow.3 docs/man/man3/p2PendingExpRow.3 docs/man/man3/p2PendingImfileRow.3 docs/man/man3/p2ProcessedExpRow.3 docs/man/man3/p2MaskRow.3 docs/man/man3/p2ProcessedImfileRow.3 docs/man/man3/p3PendingExpRow.3 docs/man/man3/p3ProcessedExpRow.3 docs/man/man3/detRunRow.3 docs/man/man3/detInputExpRow.3 docs/man/man3/detProcessedImfileRow.3 docs/man/man3/detProcessedExpRow.3 docs/man/man3/detStackedImfileRow.3 docs/man/man3/detNormalizedStatImfileRow.3 docs/man/man3/detNormalizedImfileRow.3 docs/man/man3/detNormalizedExpRow.3 docs/man/man3/detMasterFrameRow.3 docs/man/man3/detMasterImfileRow.3 docs/man/man3/detResidImfileRow.3 docs/man/man3/detResidExpRow.3 docs/man/man3/detRunSummaryRow.3:
+docs/man/man3/ippdb.3 docs/man/man3/summitExpRow.3 docs/man/man3/pzPendingExpRow.3 docs/man/man3/pzPendingImfileRow.3 docs/man/man3/newExpRow.3 docs/man/man3/newImfileRow.3 docs/man/man3/rawDetrendExpRow.3 docs/man/man3/rawScienceExpRow.3 docs/man/man3/rawImfileRow.3 docs/man/man3/p1PendingExpRow.3 docs/man/man3/p2PendingExpRow.3 docs/man/man3/p2PendingImfileRow.3 docs/man/man3/p2ProcessedExpRow.3 docs/man/man3/p2MaskRow.3 docs/man/man3/p2ProcessedImfileRow.3 docs/man/man3/p3PendingExpRow.3 docs/man/man3/p3ProcessedExpRow.3 docs/man/man3/p3MaskRow.3 docs/man/man3/detRunRow.3 docs/man/man3/detInputExpRow.3 docs/man/man3/detProcessedImfileRow.3 docs/man/man3/detProcessedExpRow.3 docs/man/man3/detStackedImfileRow.3 docs/man/man3/detNormalizedStatImfileRow.3 docs/man/man3/detNormalizedImfileRow.3 docs/man/man3/detNormalizedExpRow.3 docs/man/man3/detMasterFrameRow.3 docs/man/man3/detMasterImfileRow.3 docs/man/man3/detResidImfileRow.3 docs/man/man3/detResidExpRow.3 docs/man/man3/detRunSummaryRow.3:
 	$(DOXYGEN)
 
Index: /trunk/ippdb/configure.ac
===================================================================
--- /trunk/ippdb/configure.ac	(revision 9787)
+++ /trunk/ippdb/configure.ac	(revision 9788)
@@ -7,5 +7,5 @@
 AC_PREREQ(2.59)
 
-AC_INIT([ippdb], [0.0.52], [pan-starrs.ifa.hawaii.edu])
+AC_INIT([ippdb], [0.0.53], [pan-starrs.ifa.hawaii.edu])
 AC_CONFIG_SRCDIR([ippdb.pc.in])
 
Index: /trunk/ippdb/src/ippdb.c
===================================================================
--- /trunk/ippdb/src/ippdb.c	(revision 9787)
+++ /trunk/ippdb/src/ippdb.c	(revision 9788)
@@ -47,4 +47,5 @@
 #define P3PENDINGEXP_TABLE_NAME "p3PendingExp"
 #define P3PROCESSEDEXP_TABLE_NAME "p3ProcessedExp"
+#define P3MASK_TABLE_NAME "p3Mask"
 #define DETRUN_TABLE_NAME "detRun"
 #define DETINPUTEXP_TABLE_NAME "detInputExp"
@@ -6030,5 +6031,5 @@
 static void p3PendingExpRowFree(p3PendingExpRow *object);
 
-p3PendingExpRow *p3PendingExpRowAlloc(const char *exp_tag, psS32 p2_version, psS32 p3_version)
+p3PendingExpRow *p3PendingExpRowAlloc(const char *exp_tag, psS32 p2_version, psS32 p3_version, const char *label)
 {
     p3PendingExpRow *_object;
@@ -6040,4 +6041,5 @@
     _object->p2_version = p2_version;
     _object->p3_version = p3_version;
+    _object->label = psStringCopy(label);
 
     return _object;
@@ -6047,4 +6049,5 @@
 {
     psFree(object->exp_tag);
+    psFree(object->label);
 }
 
@@ -6067,4 +6070,9 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, "key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
 
     bool status = psDBCreateTable(dbh, P3PENDINGEXP_TABLE_NAME, md);
@@ -6080,5 +6088,5 @@
 }
 
-bool p3PendingExpInsert(psDB * dbh, const char *exp_tag, psS32 p2_version, psS32 p3_version)
+bool p3PendingExpInsert(psDB * dbh, const char *exp_tag, psS32 p2_version, psS32 p3_version, const char *label)
 {
     psMetadata *md = psMetadataAlloc();
@@ -6095,4 +6103,9 @@
     if (!psMetadataAdd(md, PS_LIST_TAIL, "p3_version", PS_DATA_S32, NULL, p3_version)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item p3_version");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
         psFree(md);
         return false;
@@ -6121,5 +6134,5 @@
 bool p3PendingExpInsertObject(psDB *dbh, p3PendingExpRow *object)
 {
-    return p3PendingExpInsert(dbh, object->exp_tag, object->p2_version, object->p3_version);
+    return p3PendingExpInsert(dbh, object->exp_tag, object->p2_version, object->p3_version, object->label);
 }
 
@@ -6209,4 +6222,9 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, object->label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
 
 
@@ -6233,6 +6251,11 @@
         return false;
     }
-
-    return p3PendingExpRowAlloc(exp_tag, p2_version, p3_version);
+    char* label = psMetadataLookupPtr(&status, md, "label");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item label");
+        return false;
+    }
+
+    return p3PendingExpRowAlloc(exp_tag, p2_version, p3_version, label);
 }
 psArray *p3PendingExpSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)
@@ -6331,5 +6354,5 @@
 static void p3ProcessedExpRowFree(p3ProcessedExpRow *object);
 
-p3ProcessedExpRow *p3ProcessedExpRowAlloc(const char *exp_tag, const char *uri, const char *recipe, psF64 bg, psF64 bg_stdev, psF64 bg_mean_stdev, psF32 sigma_ra, psF32 sigma_dec, psS32 nastro, const char *b1_uri, const char *b2_uri, psF32 zp_mean, psF32 zp_stdev, psS32 p2_version, psS32 p3_version)
+p3ProcessedExpRow *p3ProcessedExpRowAlloc(const char *exp_tag, const char *uri, const char *recipe, psF64 bg, psF64 bg_stdev, psF64 bg_mean_stdev, psF32 sigma_ra, psF32 sigma_dec, psS32 nastro, const char *b1_uri, const char *b2_uri, psF32 zp_mean, psF32 zp_stdev, psS32 p2_version, psS32 p3_version, const char *label)
 {
     p3ProcessedExpRow *_object;
@@ -6353,4 +6376,5 @@
     _object->p2_version = p2_version;
     _object->p3_version = p3_version;
+    _object->label = psStringCopy(label);
 
     return _object;
@@ -6364,4 +6388,5 @@
     psFree(object->b1_uri);
     psFree(object->b2_uri);
+    psFree(object->label);
 }
 
@@ -6444,4 +6469,9 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, "key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
 
     bool status = psDBCreateTable(dbh, P3PROCESSEDEXP_TABLE_NAME, md);
@@ -6457,5 +6487,5 @@
 }
 
-bool p3ProcessedExpInsert(psDB * dbh, const char *exp_tag, const char *uri, const char *recipe, psF64 bg, psF64 bg_stdev, psF64 bg_mean_stdev, psF32 sigma_ra, psF32 sigma_dec, psS32 nastro, const char *b1_uri, const char *b2_uri, psF32 zp_mean, psF32 zp_stdev, psS32 p2_version, psS32 p3_version)
+bool p3ProcessedExpInsert(psDB * dbh, const char *exp_tag, const char *uri, const char *recipe, psF64 bg, psF64 bg_stdev, psF64 bg_mean_stdev, psF32 sigma_ra, psF32 sigma_dec, psS32 nastro, const char *b1_uri, const char *b2_uri, psF32 zp_mean, psF32 zp_stdev, psS32 p2_version, psS32 p3_version, const char *label)
 {
     psMetadata *md = psMetadataAlloc();
@@ -6532,4 +6562,9 @@
     if (!psMetadataAdd(md, PS_LIST_TAIL, "p3_version", PS_DATA_S32, NULL, p3_version)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item p3_version");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
         psFree(md);
         return false;
@@ -6558,5 +6593,5 @@
 bool p3ProcessedExpInsertObject(psDB *dbh, p3ProcessedExpRow *object)
 {
-    return p3ProcessedExpInsert(dbh, object->exp_tag, object->uri, object->recipe, object->bg, object->bg_stdev, object->bg_mean_stdev, object->sigma_ra, object->sigma_dec, object->nastro, object->b1_uri, object->b2_uri, object->zp_mean, object->zp_stdev, object->p2_version, object->p3_version);
+    return p3ProcessedExpInsert(dbh, object->exp_tag, object->uri, object->recipe, object->bg, object->bg_stdev, object->bg_mean_stdev, object->sigma_ra, object->sigma_dec, object->nastro, object->b1_uri, object->b2_uri, object->zp_mean, object->zp_stdev, object->p2_version, object->p3_version, object->label);
 }
 
@@ -6706,4 +6741,9 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, object->label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
 
 
@@ -6790,6 +6830,11 @@
         return false;
     }
-
-    return p3ProcessedExpRowAlloc(exp_tag, uri, recipe, bg, bg_stdev, bg_mean_stdev, sigma_ra, sigma_dec, nastro, b1_uri, b2_uri, zp_mean, zp_stdev, p2_version, p3_version);
+    char* label = psMetadataLookupPtr(&status, md, "label");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item label");
+        return false;
+    }
+
+    return p3ProcessedExpRowAlloc(exp_tag, uri, recipe, bg, bg_stdev, bg_mean_stdev, sigma_ra, sigma_dec, nastro, b1_uri, b2_uri, zp_mean, zp_stdev, p2_version, p3_version, label);
 }
 psArray *p3ProcessedExpSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)
@@ -6886,4 +6931,263 @@
     return true;
 }
+static void p3MaskRowFree(p3MaskRow *object);
+
+p3MaskRow *p3MaskRowAlloc(const char *label)
+{
+    p3MaskRow       *_object;
+
+    _object = psAlloc(sizeof(p3MaskRow));
+    psMemSetDeallocator(_object, (psFreeFunc)p3MaskRowFree);
+
+    _object->label = psStringCopy(label);
+
+    return _object;
+}
+
+static void p3MaskRowFree(p3MaskRow *object)
+{
+    psFree(object->label);
+}
+
+bool p3MaskCreateTable(psDB *dbh)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, "Primary Key", "64")) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBCreateTable(dbh, P3MASK_TABLE_NAME, md);
+
+    psFree(md);
+
+    return status;
+}
+
+bool p3MaskDropTable(psDB *dbh)
+{
+    return psDBDropTable(dbh, P3MASK_TABLE_NAME);
+}
+
+bool p3MaskInsert(psDB * dbh, const char *label)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
+
+    bool status = psDBInsertOneRow(dbh, P3MASK_TABLE_NAME, md);
+    psFree(md);
+
+    return status;
+}
+
+long long p3MaskDelete(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    long long count = psDBDeleteRows(dbh, P3MASK_TABLE_NAME, where, limit);
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p3Mask");
+        return count;
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p3MaskInsertObject(psDB *dbh, p3MaskRow *object)
+{
+    return p3MaskInsert(dbh, object->label);
+}
+
+bool p3MaskInsertObjects(psDB *dbh, psArray *objects)
+{
+    for (long i = 0; i < psArrayLength(objects); i++) {
+        if (!p3MaskInsertObject(dbh, objects->data[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool p3MaskInsertFits(psDB *dbh, const psFits *fits)
+{
+    psArray         *rowSet;
+
+    // move to (the first?) extension named  P3MASK_TABLE_NAME
+    if (!psFitsMoveExtName(fits, P3MASK_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, true, "failed to find FITS extension %s", P3MASK_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, P3MASK_TABLE_NAME, rowSet)) {
+        psError(PS_ERR_UNKNOWN, false, "databse insert failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+bool p3MaskSelectRowsFits(psDB *dbh, psFits *fits, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+
+    rowSet = psDBSelectRows(dbh, P3MASK_TABLE_NAME, where, limit);
+    if (!rowSet) {
+        return false;
+    }
+
+    // output to fits
+    if (!psFitsWriteTable(fits, NULL, rowSet, P3MASK_TABLE_NAME)) {
+        psError(PS_ERR_UNKNOWN, false, "FITS table write failed");
+        psFree(rowSet);
+        return false;
+    }
+
+    psFree(rowSet);
+
+    return true;
+}
+
+psMetadata *p3MaskMetadataFromObject(const p3MaskRow *object)
+{
+    psMetadata *md = psMetadataAlloc();
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "label", PS_DATA_STRING, NULL, object->label)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item label");
+        psFree(md);
+        return false;
+    }
+
+
+    return md;
+}
+
+p3MaskRow *p3MaskObjectFromMetadata(psMetadata *md)
+{
+
+bool status = false;
+    char* label = psMetadataLookupPtr(&status, md, "label");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item label");
+        return false;
+    }
+
+    return p3MaskRowAlloc(label);
+}
+psArray *p3MaskSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)
+{
+    psArray         *rowSet;
+    psArray         *returnSet;
+    psU64           i;
+
+    rowSet = psDBSelectRows(dbh, P3MASK_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++) {
+        p3MaskRow *object = p3MaskObjectFromMetadata(rowSet->data[i]);
+        psArrayAdd(returnSet, 0, object);
+        psFree(object);
+    }
+
+    psFree(rowSet);
+
+    return returnSet;
+}
+bool p3MaskDeleteObject(psDB *dbh, const p3MaskRow *object)
+{
+    psMetadata *where = p3MaskMetadataFromObject(object);
+    long long count = psDBDeleteRows(dbh, P3MASK_TABLE_NAME, where, 0);
+    psFree(where)
+    if (count < 0) {
+        psError(PS_ERR_UNKNOWN, true, "failed to delete row from p3Mask");
+        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, "p3MaskRow object matched more then one row.  Check your database schema");
+        return false;
+    }
+
+    return true;
+}
+long long p3MaskDeleteRowObjects(psDB *dbh, const psArray *objects, unsigned long long limit)
+{
+    long long       deleted = 0;
+
+    for (long long i = 0; i < objects->n; i++) {
+        p3MaskRow *object = objects->data[i];
+        psMetadata *where = p3MaskMetadataFromObject(object);
+        long long count = psDBDeleteRows(dbh, P3MASK_TABLE_NAME, where, limit);
+        psFree(where)
+        if (count < 0) {
+            psError(PS_ERR_UNKNOWN, true, "failed to delete row from p3Mask");
+            return count;
+        }
+
+        deleted += count;
+    }
+
+    return deleted;
+}
+bool p3MaskPrintObjects(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 = p3MaskMetadataFromObject(objects->data[i]);
+        if (!psMetadataAddMetadata(
+            output,
+            PS_LIST_TAIL,
+            P3MASK_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;
+}
 static void detRunRowFree(detRunRow *object);
 
Index: /trunk/ippdb/src/ippdb.h
===================================================================
--- /trunk/ippdb/src/ippdb.h	(revision 9787)
+++ /trunk/ippdb/src/ippdb.h	(revision 9788)
@@ -2985,4 +2985,5 @@
     psS32           p2_version;
     psS32           p3_version;
+    char            *label;
 } p3PendingExpRow;
 
@@ -2995,5 +2996,6 @@
     const char      *exp_tag,
     psS32           p2_version,
-    psS32           p3_version
+    psS32           p3_version,
+    const char      *label
 );
 
@@ -3027,5 +3029,6 @@
     const char      *exp_tag,
     psS32           p2_version,
-    psS32           p3_version
+    psS32           p3_version,
+    const char      *label
 );
 
@@ -3185,4 +3188,5 @@
     psS32           p2_version;
     psS32           p3_version;
+    char            *label;
 } p3ProcessedExpRow;
 
@@ -3207,5 +3211,6 @@
     psF32           zp_stdev,
     psS32           p2_version,
-    psS32           p3_version
+    psS32           p3_version,
+    const char      *label
 );
 
@@ -3251,5 +3256,6 @@
     psF32           zp_stdev,
     psS32           p2_version,
-    psS32           p3_version
+    psS32           p3_version,
+    const char      *label
 );
 
@@ -3386,4 +3392,186 @@
     FILE            *stream,            ///< a stream
     psArray         *objects,           ///< An array of p3ProcessedExpRow objects
+    bool            mdcf                ///< format as mdconfig or simple
+);
+/** p3MaskRow data structure
+ *
+ * Structure for representing a single row of p3Mask table data.
+ */
+
+typedef struct {
+    char            *label;
+} p3MaskRow;
+
+/** Creates a new p3MaskRow object
+ *
+ *  @return A new p3MaskRow object or NULL on failure.
+ */
+
+p3MaskRow *p3MaskRowAlloc(
+    const char      *label
+);
+
+/** Creates a new p3Mask table
+ *
+ * @return true on success
+ */
+
+bool p3MaskCreateTable(
+    psDB            *dbh                ///< Database handle
+);
+
+/** Deletes a p3Mask table
+ *
+ * @return true on success
+ */
+
+bool p3MaskDropTable(
+    psDB            *dbh                ///< Database handle
+);
+
+/** Insert a single row into a table
+ *
+ * This function constructs and inserts a single row based on it's parameters.
+ *
+ * @return true on success
+ */
+
+bool p3MaskInsert(
+    psDB            *dbh,               ///< Database handle
+    const char      *label
+);
+
+/** Deletes up to limit rows from the database and returns the number of rows actually deleted. 
+ *
+ * @return A The number of rows removed or a negative value on error
+ */
+
+long long p3MaskDelete(
+    psDB            *dbh,               ///< Database handle
+    const psMetadata *where,            ///< Row match criteria
+    unsigned long long limit            ///< Maximum number of elements to delete 
+);
+
+/** Insert a single p3MaskRow object into a table
+ *
+ * This function constructs and inserts a single row based on it's parameters.
+ *
+ * @return true on success
+ */
+
+bool p3MaskInsertObject(
+    psDB            *dbh,               ///< Database handle
+    p3MaskRow       *object             ///< p3MaskRow object
+);
+
+/** Insert an array of p3MaskRow object into a table
+ *
+ * This function constructs and inserts multiple rows based on it's parameters.
+ *
+ * @return true on success
+ */
+
+bool p3MaskInsertObjects(
+    psDB            *dbh,               ///< Database handle
+    psArray         *objects            ///< array of p3MaskRow objects
+);
+
+/** Insert data from a binary FITS table p3MaskRow into the database
+ *
+ * This function expects a psFits object with a FITS table as the first
+ * extension.  The table must have at least one row of data in it, that is of
+ * the appropriate format (number of columns and their type).  All other
+ * extensions are ignored.
+ *
+ * @return true on success
+ */
+
+bool p3MaskInsertFits(
+    psDB            *dbh,               ///< Database handle
+    const psFits    *fits               ///< psFits object
+);
+
+/** Selects up to limit from the database and returns them in a binary FITS table
+ *
+ * This function assumes an empty psFits object and will create a FITS table
+ * as the first extension.
+ *
+ *  See psDBSelectRows() for documentation on the format of where.
+ *
+ * @return true on success
+ */
+
+bool p3MaskSelectRowsFits(
+    psDB            *dbh,               ///< Database handle
+    psFits          *fits,              ///< psFits object
+    const psMetadata *where,            ///< Row match criteria
+    unsigned long long limit            ///< Maximum number of elements to return
+);
+
+/** Convert a p3MaskRow into an equivalent psMetadata
+ *
+ * @return A psMetadata pointer or NULL on error
+ */
+
+psMetadata *p3MaskMetadataFromObject(
+    const p3MaskRow *object             ///< fooRow to convert into a psMetadata
+);
+
+/** Convert a psMetadata into an equivalent fooRow
+ *
+ * @return A p3MaskRow pointer or NULL on error
+ */
+
+p3MaskRow *p3MaskObjectFromMetadata(
+    psMetadata      *md                 ///< psMetadata to convert into a fooRow
+);
+/** Selects up to limit rows from the database and returns as p3MaskRow objects in a psArray
+ *
+ *  See psDBSelectRows() for documentation on the format of where.
+ *
+ * @return A psArray pointer or NULL on error
+ */
+
+psArray *p3MaskSelectRowObjects(
+    psDB            *dbh,               ///< Database handle
+    const psMetadata *where,            ///< Row match criteria
+    unsigned long long limit            ///< Maximum number of elements to return
+);
+/** Deletes a row from the database coresponding to an p3Mask
+ *
+ *  Note that a 'where' search psMetadata is constructed from each object and
+ *  used to find rows to delete.
+ *
+ * @return A The number of rows removed or a negative value on error
+ */
+
+bool p3MaskDeleteObject(
+    psDB            *dbh,               ///< Database handle
+    const p3MaskRow *object    ///< Object to delete
+);
+/** Deletes up to limit rows from the database and returns the number of rows actually deleted. 
+ *
+ *  Note that a 'where' search psMetadata is constructed from each object and
+ *  used to find rows to delete.
+ *
+ * @return A The number of rows removed or a negative value on error
+ */
+
+long long p3MaskDeleteRowObjects(
+    psDB            *dbh,               ///< Database handle
+    const psArray   *objects,           ///< Array of objects to delete
+    unsigned long long limit            ///< Maximum number of elements to delete 
+);
+/** Formats and prints an array of p3MaskRow objects
+ *
+ * When mdcf is set the formated output is in psMetadataConfig
+ * format, otherwise it is in a simple tabular format.
+ *
+ * @return true on success
+ */
+
+bool p3MaskPrintObjects(
+    FILE            *stream,            ///< a stream
+    psArray         *objects,           ///< An array of p3MaskRow objects
     bool            mdcf                ///< format as mdconfig or simple
 );
Index: /trunk/ippdb/tests/alloc.c
===================================================================
--- /trunk/ippdb/tests/alloc.c	(revision 9787)
+++ /trunk/ippdb/tests/alloc.c	(revision 9788)
@@ -650,5 +650,5 @@
         p3PendingExpRow *object;
 
-        object = p3PendingExpRowAlloc("a string", -32, -32    );
+        object = p3PendingExpRowAlloc("a string", -32, -32, "a string"    );
 
         if (!object) {
@@ -668,4 +668,8 @@
             exit(EXIT_FAILURE);
         }
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
 
         psFree(object);
@@ -675,5 +679,5 @@
         p3ProcessedExpRow *object;
 
-        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32    );
+        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32, "a string"    );
 
         if (!object) {
@@ -738,4 +742,25 @@
         }
         if (!object->p3_version == -32) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(object);
+    }
+
+    {
+        p3MaskRow       *object;
+
+        object = p3MaskRowAlloc("a string"    );
+
+        if (!object) {
+            exit(EXIT_FAILURE);
+        }
+
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
             psFree(object);
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/createtable.c
===================================================================
--- /trunk/ippdb/tests/createtable.c	(revision 9787)
+++ /trunk/ippdb/tests/createtable.c	(revision 9788)
@@ -253,4 +253,19 @@
         }
 
+        if(!p3MaskCreateTable(dbh)) {
+            exit(EXIT_FAILURE);
+        }
+
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
         if(!detRunCreateTable(dbh)) {
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/dbcleanup.c
===================================================================
--- /trunk/ippdb/tests/dbcleanup.c	(revision 9787)
+++ /trunk/ippdb/tests/dbcleanup.c	(revision 9788)
@@ -27,4 +27,5 @@
     p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS p3PendingExp");
     p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS p3ProcessedExp");
+    p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS p3Mask");
     p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS detRun");
     p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS detInputExp");
Index: /trunk/ippdb/tests/dbsetup.c
===================================================================
--- /trunk/ippdb/tests/dbsetup.c	(revision 9787)
+++ /trunk/ippdb/tests/dbsetup.c	(revision 9788)
@@ -61,4 +61,7 @@
     p3ProcessedExpCreateTable(dbh);
 
+    p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS p3Mask");
+    p3MaskCreateTable(dbh);
+
     p_psDBRunQuery(dbh, "DROP TABLE IF EXISTS detRun");
     detRunCreateTable(dbh);
Index: /trunk/ippdb/tests/droptable.c
===================================================================
--- /trunk/ippdb/tests/droptable.c	(revision 9787)
+++ /trunk/ippdb/tests/droptable.c	(revision 9788)
@@ -253,4 +253,19 @@
         }
 
+        if (!p3MaskDropTable(dbh)) {
+            exit(EXIT_FAILURE);
+        }
+
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
         if (!detRunDropTable(dbh)) {
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/insert.c
===================================================================
--- /trunk/ippdb/tests/insert.c	(revision 9787)
+++ /trunk/ippdb/tests/insert.c	(revision 9788)
@@ -223,20 +223,35 @@
         }
 
-        if (!p3PendingExpInsert(dbh, "a string", -32, -32)) {
-            exit(EXIT_FAILURE);
-        }
-
-        psDBCleanup(dbh);
-    }
-
-    {
-        psDB            *dbh;
-
-        dbh = psDBInit("localhost", "test", NULL, "test");
-        if (!dbh) {
-            exit(EXIT_FAILURE);
-        }
-
-        if (!p3ProcessedExpInsert(dbh, "a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32)) {
+        if (!p3PendingExpInsert(dbh, "a string", -32, -32, "a string")) {
+            exit(EXIT_FAILURE);
+        }
+
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
+        if (!p3ProcessedExpInsert(dbh, "a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32, "a string")) {
+            exit(EXIT_FAILURE);
+        }
+
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
+        if (!p3MaskInsert(dbh, "a string")) {
             exit(EXIT_FAILURE);
         }
Index: /trunk/ippdb/tests/insertfits.c
===================================================================
--- /trunk/ippdb/tests/insertfits.c	(revision 9787)
+++ /trunk/ippdb/tests/insertfits.c	(revision 9788)
@@ -440,4 +440,30 @@
         }
 
+        if (!p3MaskInsertFits(dbh, fits)) {
+            exit(EXIT_FAILURE);
+        }
+
+        if (!psFitsClose(fits)) {
+            exit(EXIT_FAILURE);
+        }
+
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+        psFits          *fits;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
+        // open a temp
+        fits = psFitsOpen(TMP_FILENAME, "r");
+        if (!fits) {
+            exit(EXIT_FAILURE);
+        }
+
         if (!detRunInsertFits(dbh, fits)) {
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/insertobject.c
===================================================================
--- /trunk/ippdb/tests/insertobject.c	(revision 9787)
+++ /trunk/ippdb/tests/insertobject.c	(revision 9788)
@@ -322,5 +322,5 @@
         }
 
-        object = p3PendingExpRowAlloc("a string", -32, -32);
+        object = p3PendingExpRowAlloc("a string", -32, -32, "a string");
         if (!object) {
             exit(EXIT_FAILURE);
@@ -344,5 +344,5 @@
         }
 
-        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32);
+        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32, "a string");
         if (!object) {
             exit(EXIT_FAILURE);
@@ -350,4 +350,26 @@
 
         if (!p3ProcessedExpInsertObject(dbh, object)) {
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(object);
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+        p3MaskRow       *object;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
+        object = p3MaskRowAlloc("a string");
+        if (!object) {
+            exit(EXIT_FAILURE);
+        }
+
+        if (!p3MaskInsertObject(dbh, object)) {
             exit(EXIT_FAILURE);
         }
Index: /trunk/ippdb/tests/metadatafromobject.c
===================================================================
--- /trunk/ippdb/tests/metadatafromobject.c	(revision 9787)
+++ /trunk/ippdb/tests/metadatafromobject.c	(revision 9788)
@@ -764,5 +764,5 @@
         bool            status;
 
-        object = p3PendingExpRowAlloc("a string", -32, -32);
+        object = p3PendingExpRowAlloc("a string", -32, -32, "a string");
         if (!object) {
             exit(EXIT_FAILURE);
@@ -788,4 +788,8 @@
             exit(EXIT_FAILURE);
         }
+        if (strncmp(psMetadataLookupPtr(&status, md, "label"), "a string", MAX_STRING_LENGTH)) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
 
         psFree(md);
@@ -797,5 +801,5 @@
         bool            status;
 
-        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32);
+        object = p3ProcessedExpRowAlloc("a string", "a string", "a string", 64.64, 64.64, 64.64, 32.32, 32.32, -32, "a string", "a string", 32.32, 32.32, -32, -32, "a string");
         if (!object) {
             exit(EXIT_FAILURE);
@@ -866,4 +870,33 @@
         }
         if (!psMetadataLookupS32(&status, md, "p3_version") == -32) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
+        if (strncmp(psMetadataLookupPtr(&status, md, "label"), "a string", MAX_STRING_LENGTH)) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(md);
+    }
+
+    {
+        psMetadata      *md;
+        p3MaskRow       *object;
+        bool            status;
+
+        object = p3MaskRowAlloc("a string");
+        if (!object) {
+            exit(EXIT_FAILURE);
+        }
+
+        md = p3MaskMetadataFromObject(object);
+        if (!md) {
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(object);
+
+        if (strncmp(psMetadataLookupPtr(&status, md, "label"), "a string", MAX_STRING_LENGTH)) {
             psFree(md);
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/objectfrommetadata.c
===================================================================
--- /trunk/ippdb/tests/objectfrommetadata.c	(revision 9787)
+++ /trunk/ippdb/tests/objectfrommetadata.c	(revision 9788)
@@ -1191,4 +1191,8 @@
             exit(EXIT_FAILURE);
         }
+        if (!psMetadataAddStr(md, PS_LIST_TAIL, "label", 0, NULL, "a string")) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
 
         object = p3PendingExpObjectFromMetadata(md);
@@ -1212,4 +1216,8 @@
             exit(EXIT_FAILURE);
         }
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
 
         psFree(object);
@@ -1281,4 +1289,8 @@
             exit(EXIT_FAILURE);
         }
+        if (!psMetadataAddStr(md, PS_LIST_TAIL, "label", 0, NULL, "a string")) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
 
         object = p3ProcessedExpObjectFromMetadata(md);
@@ -1347,4 +1359,34 @@
         }
         if (!object->p3_version == -32) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
+            psFree(object);
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(object);
+    }
+
+    {
+        psMetadata      *md;
+        p3MaskRow       *object;
+
+        md = psMetadataAlloc();
+        if (!psMetadataAddStr(md, PS_LIST_TAIL, "label", 0, NULL, "a string")) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
+
+        object = p3MaskObjectFromMetadata(md);
+        if (!object) {
+            psFree(md);
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(md);
+
+        if (strncmp(object->label, "a string", MAX_STRING_LENGTH)) {
             psFree(object);
             exit(EXIT_FAILURE);
Index: /trunk/ippdb/tests/selectrowsfits.c
===================================================================
--- /trunk/ippdb/tests/selectrowsfits.c	(revision 9787)
+++ /trunk/ippdb/tests/selectrowsfits.c	(revision 9788)
@@ -373,4 +373,26 @@
         }
 
+        if (!p3MaskSelectRowsFits(dbh, fits, NULL, 1)) {
+            exit(EXIT_FAILURE);
+        }
+
+        psFree(fits);
+        psDBCleanup(dbh);
+    }
+
+    {
+        psDB            *dbh;
+        psFits          *fits;
+
+        dbh = psDBInit("localhost", "test", NULL, "test");
+        if (!dbh) {
+            exit(EXIT_FAILURE);
+        }
+
+        fits = psFitsOpen(TMP_FILENAME, "w");
+        if (!fits) {
+            exit(EXIT_FAILURE);
+        }
+
         if (!detRunSelectRowsFits(dbh, fits, NULL, 1)) {
             exit(EXIT_FAILURE);
