rrtimeslice: Added hash function and operator class.

[postrr.git] / src / rrtimeslice.c

diff --git a/src/rrtimeslice.c b/src/rrtimeslice.c
index d34da914a53713f40e9c5589ed424209868791a7..b08662292178e979c71c1d1c9e41bcb9855d6fe8 100644 (file)
--- a/src/rrtimeslice.c
+++ b/src/rrtimeslice.c
@@ -39,6 +39,7 @@
 #include <fmgr.h>
 
 /* Postgres utilities */
+#include <access/hash.h>
 #include <executor/spi.h>
 #include <utils/array.h>
 #include <utils/datetime.h>
@@ -214,6 +215,7 @@ PG_FUNCTION_INFO_V1(rrtimeslice_gt);
 PG_FUNCTION_INFO_V1(rrtimeslice_le);
 PG_FUNCTION_INFO_V1(rrtimeslice_ge);
 PG_FUNCTION_INFO_V1(rrtimeslice_cmp);
+PG_FUNCTION_INFO_V1(rrtimeslice_hash);
 
 /*
  * public API
@@ -561,5 +563,12 @@ rrtimeslice_cmp(PG_FUNCTION_ARGS)
        PG_RETURN_INT32(rrtimeslice_cmp_internal(ts1, ts2));
 } /* rrtimeslice_ge */
 
+Datum
+rrtimeslice_hash(PG_FUNCTION_ARGS)
+{
+       rrtimeslice_t *ts = PG_GETARG_RRTIMESLICE_P(0);
+       return hash_uint32(ts->seq);
+} /* rrtimeslice_hash */
+
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */