diff --git a/src/bin/pgbench/exprparse.y b/src/bin/pgbench/exprparse.y
index 26494fd..340c020 100644
--- a/src/bin/pgbench/exprparse.y
+++ b/src/bin/pgbench/exprparse.y
@@ -131,7 +131,8 @@ make_op(yyscan_t yyscanner, const char *operator,
  * List of available functions:
  * - fname: function name
  * - nargs: number of arguments
- *			-1 is a special value for least & greatest meaning #args >= 1
+ *			-1 is a special value for least, greatest & hash functions
+ *			 meaning variable arguments number
  * - tag: function identifier from PgBenchFunction enum
  */
 static const struct
@@ -200,6 +201,15 @@ static const struct
 	{
 		"power", 2, PGBENCH_POW
 	},
+	{
+		"hash", -1, PGBENCH_HASH_MURMUR2
+	},
+	{
+		"hash_murmur2", -1, PGBENCH_HASH_MURMUR2
+	},
+	{
+		"hash_fnv1a", -1, PGBENCH_HASH_FNV1A
+	},
 	/* keep as last array element */
 	{
 		NULL, 0, 0
diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index fc2c734..71e4814 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -61,6 +61,14 @@
 #define ERRCODE_UNDEFINED_TABLE  "42P01"
 
 /*
+ * Hashing constants
+ */
+#define FNV_PRIME 0x100000001b3
+#define FNV_OFFSET_BASIS 0xcbf29ce484222325
+#define MM2_MUL 0xc6a4a7935bd1e995
+#define MM2_ROT 47
+
+/*
  * Multi-platform pthread implementations
  */
 
@@ -912,6 +920,51 @@ getZipfianRand(TState *thread, int64 min, int64 max, double s)
 }
 
 /*
+ * FNV-1a hash function
+ */
+static int64
+getHashFnv1a(int64 val, uint64 seed)
+{
+	int64	result;
+	int		i;
+
+	result = FNV_OFFSET_BASIS ^ seed;
+	for (i = 0; i < 8; ++i)
+	{
+		int32 octet = val & 0xff;
+
+		val = val >> 8;
+		result = result ^ octet;
+		result = result * FNV_PRIME;
+	}
+
+	return result;
+}
+
+/*
+ * Murmur2 hash function
+ */
+static int64
+getHashMurmur2(int64 val, uint64 seed)
+{
+	uint64	result = seed ^ (sizeof(int64) * MM2_MUL);
+	uint64	k = (uint64) val;
+
+	k *= MM2_MUL;
+	k ^= k >> MM2_ROT;
+	k *= MM2_MUL;
+
+	result ^= k;
+	result *= MM2_MUL;
+
+	result ^= result >> MM2_ROT;
+	result *= MM2_MUL;
+	result ^= result >> MM2_ROT;
+
+	return (int64) result;
+}
+
+/*
  * Initialize the given SimpleStats struct to all zeroes
  */
 static void
@@ -1868,6 +1921,37 @@ evalFunc(TState *thread, CState *st,
 				return true;
 			}
 
+			/* hashing */
+		case PGBENCH_HASH_FNV1A:
+		case PGBENCH_HASH_MURMUR2:
+			{
+				int64	val;
+				int64	seed = 0;
+				int64	result;
+
+				Assert(nargs >= 1);
+
+				if (!coerceToInt(&vargs[0], &val))
+					return false;
+
+				if (nargs > 2)
+				{
+					fprintf(stderr,
+							"hash function accepts maximum of two arguments\n");
+					return false;
+				}
+
+				/* read optional seed value */
+				if (nargs > 1)
+					if (!coerceToInt(&vargs[1], &seed))
+						return false;
+
+				result = (func == PGBENCH_HASH_FNV1A) ?
+					getHashFnv1a(val, seed) : getHashMurmur2(val, seed);
+				setIntValue(retval, result);
+				return true;
+			}
+
 		default:
 			/* cannot get here */
 			Assert(0);
diff --git a/src/bin/pgbench/pgbench.h b/src/bin/pgbench/pgbench.h
index ce3c260..527e2a8 100644
--- a/src/bin/pgbench/pgbench.h
+++ b/src/bin/pgbench/pgbench.h
@@ -77,7 +77,9 @@ typedef enum PgBenchFunction
 	PGBENCH_RANDOM_GAUSSIAN,
 	PGBENCH_RANDOM_EXPONENTIAL,
 	PGBENCH_RANDOM_ZIPFIAN,
-	PGBENCH_POW
+	PGBENCH_POW,
+	PGBENCH_HASH_FNV1A,
+	PGBENCH_HASH_MURMUR2
 } PgBenchFunction;
 
 typedef struct PgBenchExpr PgBenchExpr;