diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 396eaa5d55..88145c5b80 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -12743,7 +12743,7 @@ NULL baz(3 rows)
double precision for a floating-point argument,
otherwise the same as the argument data type
- All types apart from floating-point types
+ Yes
the average (arithmetic mean) of all input values
@@ -13001,7 +13001,7 @@ NULL baz(3 rows)
bigint arguments, otherwise the same as the
argument data type
- All types apart from floating-point types
+ Yes
sum of expression across all input values
@@ -13153,7 +13153,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
correlation coefficient
@@ -13174,7 +13174,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
population covariance
@@ -13195,7 +13195,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
sample covariance
@@ -13212,7 +13212,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
average of the independent variable
(sum(X)/N)
@@ -13230,7 +13230,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
average of the dependent variable
(sum(Y)/N)
@@ -13248,7 +13248,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
bigint
- No
+ Yes
number of input rows in which both expressions are nonnull
@@ -13268,7 +13268,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
y-intercept of the least-squares-fit linear equation
determined by the (X,
double precision
- No
+ Yes
square of the correlation coefficient
@@ -13308,7 +13308,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
slope of the least-squares-fit linear equation determined
by the (X,
Y) pairs
@@ -13327,7 +13327,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision
- No
+ Yes
sum(X^2) - sum(X)^2/
double precision
- No
+ Yes
sum(X*Y) - sum(
double precision
- No
+ Yes
sum(Y^2) - sum(Y)^2/double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
historical alias for stddev_samp
@@ -13423,7 +13423,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
population standard deviation of the input values
@@ -13447,7 +13447,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
sample standard deviation of the input values
@@ -13467,7 +13467,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
historical alias for var_samp
@@ -13491,7 +13491,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
population variance of the input values (square of the population standard deviation)
@@ -13515,7 +13515,7 @@ SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
double precision for floating-point arguments,
otherwise numeric
- All types apart from floating-point types
+ Yes
sample variance of the input values (square of the sample standard deviation)
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index 4ee93ac04e..c7c0b5842b 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -2435,6 +2435,50 @@ check_float8_array(ArrayType *transarray, const char *caller, int n)
return (float8 *) ARR_DATA_PTR(transarray);
}
+/*
+ * float8_combine
+ *
+ * An aggregate combine function used to combine two 3 fields
+ * aggregate transition data into a single transition data.
+ * This function is used only in two stage aggregation and
+ * shouldn't be called outside aggregate context.
+ */
+Datum
+float8_combine(PG_FUNCTION_ARGS)
+{
+ ArrayType *transarray1 = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *transarray2 = PG_GETARG_ARRAYTYPE_P(1);
+ float8 *transvalues1;
+ float8 *transvalues2;
+ float8 N,
+ sumX,
+ sumX2;
+
+ if (!AggCheckCallContext(fcinfo, NULL))
+ elog(ERROR, "aggregate function called in non-aggregate context");
+
+ transvalues1 = check_float8_array(transarray1, "float8_combine", 3);
+ N = transvalues1[0];
+ sumX = transvalues1[1];
+ sumX2 = transvalues1[2];
+
+ transvalues2 = check_float8_array(transarray2, "float8_combine", 3);
+
+ N += transvalues2[0];
+ sumX += transvalues2[1];
+ CHECKFLOATVAL(sumX, isinf(transvalues1[1]) || isinf(transvalues2[1]),
+ true);
+ sumX2 += transvalues2[2];
+ CHECKFLOATVAL(sumX2, isinf(transvalues1[2]) || isinf(transvalues2[2]),
+ true);
+
+ transvalues1[0] = N;
+ transvalues1[1] = sumX;
+ transvalues1[2] = sumX2;
+
+ PG_RETURN_ARRAYTYPE_P(transarray1);
+}
+
Datum
float8_accum(PG_FUNCTION_ARGS)
{
@@ -2762,6 +2806,69 @@ float8_regr_accum(PG_FUNCTION_ARGS)
}
}
+/*
+ * float8_regr_combine
+ *
+ * An aggregate combine function used to combine two 6 fields
+ * aggregate transition data into a single transition data.
+ * This function is used only in two stage aggregation and
+ * shouldn't be called outside aggregate context.
+ */
+Datum
+float8_regr_combine(PG_FUNCTION_ARGS)
+{
+ ArrayType *transarray1 = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *transarray2 = PG_GETARG_ARRAYTYPE_P(1);
+ float8 *transvalues1;
+ float8 *transvalues2;
+ float8 N,
+ sumX,
+ sumX2,
+ sumY,
+ sumY2,
+ sumXY;
+
+ if (!AggCheckCallContext(fcinfo, NULL))
+ elog(ERROR, "aggregate function called in non-aggregate context");
+
+ transvalues1 = check_float8_array(transarray1, "float8_regr_combine", 6);
+ N = transvalues1[0];
+ sumX = transvalues1[1];
+ sumX2 = transvalues1[2];
+ sumY = transvalues1[3];
+ sumY2 = transvalues1[4];
+ sumXY = transvalues1[5];
+
+ transvalues2 = check_float8_array(transarray2, "float8_regr_combine", 6);
+
+ N += transvalues2[0];
+ sumX += transvalues2[1];
+ CHECKFLOATVAL(sumX, isinf(transvalues1[1]) || isinf(transvalues2[1]),
+ true);
+ sumX2 += transvalues2[2];
+ CHECKFLOATVAL(sumX2, isinf(transvalues1[2]) || isinf(transvalues2[2]),
+ true);
+ sumY += transvalues2[3];
+ CHECKFLOATVAL(sumY, isinf(transvalues1[3]) || isinf(transvalues2[3]),
+ true);
+ sumY2 += transvalues2[4];
+ CHECKFLOATVAL(sumY2, isinf(transvalues1[4]) || isinf(transvalues2[4]),
+ true);
+ sumXY += transvalues2[5];
+ CHECKFLOATVAL(sumXY, isinf(transvalues1[5]) || isinf(transvalues2[5]),
+ true);
+
+ transvalues1[0] = N;
+ transvalues1[1] = sumX;
+ transvalues1[2] = sumX2;
+ transvalues1[3] = sumY;
+ transvalues1[4] = sumY2;
+ transvalues1[5] = sumXY;
+
+ PG_RETURN_ARRAYTYPE_P(transarray1);
+}
+
+
Datum
float8_regr_sxx(PG_FUNCTION_ARGS)
{
diff --git a/src/include/catalog/pg_aggregate.h b/src/include/catalog/pg_aggregate.h
index 7d5015a1cf..e16aa48c75 100644
--- a/src/include/catalog/pg_aggregate.h
+++ b/src/include/catalog/pg_aggregate.h
@@ -142,8 +142,8 @@ DATA(insert ( 2100 n 0 int8_avg_accum numeric_poly_avg int8_avg_combine int8_av
DATA(insert ( 2101 n 0 int4_avg_accum int8_avg int4_avg_combine - - int4_avg_accum int4_avg_accum_inv int8_avg f f 0 1016 0 0 1016 0 "{0,0}" "{0,0}" ));
DATA(insert ( 2102 n 0 int2_avg_accum int8_avg int4_avg_combine - - int2_avg_accum int2_avg_accum_inv int8_avg f f 0 1016 0 0 1016 0 "{0,0}" "{0,0}" ));
DATA(insert ( 2103 n 0 numeric_avg_accum numeric_avg numeric_avg_combine numeric_avg_serialize numeric_avg_deserialize numeric_avg_accum numeric_accum_inv numeric_avg f f 0 2281 17 128 2281 128 _null_ _null_ ));
-DATA(insert ( 2104 n 0 float4_accum float8_avg - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2105 n 0 float8_accum float8_avg - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2104 n 0 float4_accum float8_avg float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2105 n 0 float8_accum float8_avg float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2106 n 0 interval_accum interval_avg interval_combine - - interval_accum interval_accum_inv interval_avg f f 0 1187 0 0 1187 0 "{0 second,0 second}" "{0 second,0 second}" ));
/* sum */
@@ -210,63 +210,63 @@ DATA(insert ( 2803 n 0 int8inc - int8pl - - int8inc int8dec - f f 0
DATA(insert ( 2718 n 0 int8_accum numeric_var_pop numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_var_pop f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2719 n 0 int4_accum numeric_poly_var_pop numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_var_pop f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2720 n 0 int2_accum numeric_poly_var_pop numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_var_pop f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2721 n 0 float4_accum float8_var_pop - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2722 n 0 float8_accum float8_var_pop - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2721 n 0 float4_accum float8_var_pop float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2722 n 0 float8_accum float8_var_pop float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2723 n 0 numeric_accum numeric_var_pop numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_var_pop f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* var_samp */
DATA(insert ( 2641 n 0 int8_accum numeric_var_samp numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_var_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2642 n 0 int4_accum numeric_poly_var_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_var_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2643 n 0 int2_accum numeric_poly_var_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_var_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2644 n 0 float4_accum float8_var_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2645 n 0 float8_accum float8_var_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2644 n 0 float4_accum float8_var_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2645 n 0 float8_accum float8_var_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2646 n 0 numeric_accum numeric_var_samp numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_var_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* variance: historical Postgres syntax for var_samp */
DATA(insert ( 2148 n 0 int8_accum numeric_var_samp numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_var_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2149 n 0 int4_accum numeric_poly_var_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_var_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2150 n 0 int2_accum numeric_poly_var_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_var_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2151 n 0 float4_accum float8_var_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2152 n 0 float8_accum float8_var_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2151 n 0 float4_accum float8_var_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2152 n 0 float8_accum float8_var_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2153 n 0 numeric_accum numeric_var_samp numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_var_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* stddev_pop */
DATA(insert ( 2724 n 0 int8_accum numeric_stddev_pop numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_stddev_pop f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2725 n 0 int4_accum numeric_poly_stddev_pop numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_stddev_pop f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2726 n 0 int2_accum numeric_poly_stddev_pop numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_stddev_pop f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2727 n 0 float4_accum float8_stddev_pop - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2728 n 0 float8_accum float8_stddev_pop - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2727 n 0 float4_accum float8_stddev_pop float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2728 n 0 float8_accum float8_stddev_pop float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2729 n 0 numeric_accum numeric_stddev_pop numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_stddev_pop f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* stddev_samp */
DATA(insert ( 2712 n 0 int8_accum numeric_stddev_samp numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_stddev_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2713 n 0 int4_accum numeric_poly_stddev_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_stddev_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2714 n 0 int2_accum numeric_poly_stddev_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_stddev_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2715 n 0 float4_accum float8_stddev_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2716 n 0 float8_accum float8_stddev_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2715 n 0 float4_accum float8_stddev_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2716 n 0 float8_accum float8_stddev_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2717 n 0 numeric_accum numeric_stddev_samp numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_stddev_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* stddev: historical Postgres syntax for stddev_samp */
DATA(insert ( 2154 n 0 int8_accum numeric_stddev_samp numeric_combine numeric_serialize numeric_deserialize int8_accum int8_accum_inv numeric_stddev_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
DATA(insert ( 2155 n 0 int4_accum numeric_poly_stddev_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int4_accum int4_accum_inv numeric_poly_stddev_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
DATA(insert ( 2156 n 0 int2_accum numeric_poly_stddev_samp numeric_poly_combine numeric_poly_serialize numeric_poly_deserialize int2_accum int2_accum_inv numeric_poly_stddev_samp f f 0 2281 17 48 2281 48 _null_ _null_ ));
-DATA(insert ( 2157 n 0 float4_accum float8_stddev_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
-DATA(insert ( 2158 n 0 float8_accum float8_stddev_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2157 n 0 float4_accum float8_stddev_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
+DATA(insert ( 2158 n 0 float8_accum float8_stddev_samp float8_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0}" _null_ ));
DATA(insert ( 2159 n 0 numeric_accum numeric_stddev_samp numeric_combine numeric_serialize numeric_deserialize numeric_accum numeric_accum_inv numeric_stddev_samp f f 0 2281 17 128 2281 128 _null_ _null_ ));
/* SQL2003 binary regression aggregates */
-DATA(insert ( 2818 n 0 int8inc_float8_float8 - - - - - - - f f 0 20 0 0 0 0 "0" _null_ ));
-DATA(insert ( 2819 n 0 float8_regr_accum float8_regr_sxx - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2820 n 0 float8_regr_accum float8_regr_syy - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2821 n 0 float8_regr_accum float8_regr_sxy - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2822 n 0 float8_regr_accum float8_regr_avgx - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2823 n 0 float8_regr_accum float8_regr_avgy - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2824 n 0 float8_regr_accum float8_regr_r2 - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2825 n 0 float8_regr_accum float8_regr_slope - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2826 n 0 float8_regr_accum float8_regr_intercept - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2827 n 0 float8_regr_accum float8_covar_pop - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2828 n 0 float8_regr_accum float8_covar_samp - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
-DATA(insert ( 2829 n 0 float8_regr_accum float8_corr - - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2818 n 0 int8inc_float8_float8 - int8pl - - - - - f f 0 20 0 0 0 0 "0" _null_ ));
+DATA(insert ( 2819 n 0 float8_regr_accum float8_regr_sxx float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2820 n 0 float8_regr_accum float8_regr_syy float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2821 n 0 float8_regr_accum float8_regr_sxy float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2822 n 0 float8_regr_accum float8_regr_avgx float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2823 n 0 float8_regr_accum float8_regr_avgy float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2824 n 0 float8_regr_accum float8_regr_r2 float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2825 n 0 float8_regr_accum float8_regr_slope float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2826 n 0 float8_regr_accum float8_regr_intercept float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2827 n 0 float8_regr_accum float8_covar_pop float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2828 n 0 float8_regr_accum float8_covar_samp float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
+DATA(insert ( 2829 n 0 float8_regr_accum float8_corr float8_regr_combine - - - - - f f 0 1022 0 0 0 0 "{0,0,0,0,0,0}" _null_ ));
/* boolean-and and boolean-or */
DATA(insert ( 2517 n 0 booland_statefunc - booland_statefunc - - bool_accum bool_accum_inv bool_alltrue f f 58 16 0 0 2281 16 _null_ _null_ ));
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index c351594be4..bb539d43cf 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -400,6 +400,8 @@ DATA(insert OID = 220 ( float8um PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0
DATA(insert OID = 221 ( float8abs PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 701 "701" _null_ _null_ _null_ _null_ _null_ float8abs _null_ _null_ _null_ ));
DATA(insert OID = 222 ( float8_accum PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 1022 "1022 701" _null_ _null_ _null_ _null_ _null_ float8_accum _null_ _null_ _null_ ));
DESCR("aggregate transition function");
+DATA(insert OID = 276 ( float8_combine PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 1022 "1022 1022" _null_ _null_ _null_ _null_ _null_ float8_combine _null_ _null_ _null_ ));
+DESCR("aggregate combine function");
DATA(insert OID = 223 ( float8larger PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 701 "701 701" _null_ _null_ _null_ _null_ _null_ float8larger _null_ _null_ _null_ ));
DESCR("larger of two");
DATA(insert OID = 224 ( float8smaller PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 701 "701 701" _null_ _null_ _null_ _null_ _null_ float8smaller _null_ _null_ _null_ ));
@@ -2542,6 +2544,8 @@ DATA(insert OID = 2805 ( int8inc_float8_float8 PGNSP PGUID 12 1 0 0 0 f f f f
DESCR("aggregate transition function");
DATA(insert OID = 2806 ( float8_regr_accum PGNSP PGUID 12 1 0 0 0 f f f f t f i s 3 0 1022 "1022 701 701" _null_ _null_ _null_ _null_ _null_ float8_regr_accum _null_ _null_ _null_ ));
DESCR("aggregate transition function");
+DATA(insert OID = 3342 ( float8_regr_combine PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 1022 "1022 1022" _null_ _null_ _null_ _null_ _null_ float8_regr_combine _null_ _null_ _null_ ));
+DESCR("aggregate combine function");
DATA(insert OID = 2807 ( float8_regr_sxx PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 701 "1022" _null_ _null_ _null_ _null_ _null_ float8_regr_sxx _null_ _null_ _null_ ));
DESCR("aggregate final function");
DATA(insert OID = 2808 ( float8_regr_syy PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 701 "1022" _null_ _null_ _null_ _null_ _null_ float8_regr_syy _null_ _null_ _null_ ));
diff --git a/src/include/utils/builtins.h b/src/include/utils/builtins.h
index 41063720e5..01976a1f9b 100644
--- a/src/include/utils/builtins.h
+++ b/src/include/utils/builtins.h
@@ -427,6 +427,7 @@ extern Datum dpi(PG_FUNCTION_ARGS);
extern Datum radians(PG_FUNCTION_ARGS);
extern Datum drandom(PG_FUNCTION_ARGS);
extern Datum setseed(PG_FUNCTION_ARGS);
+extern Datum float8_combine(PG_FUNCTION_ARGS);
extern Datum float8_accum(PG_FUNCTION_ARGS);
extern Datum float4_accum(PG_FUNCTION_ARGS);
extern Datum float8_avg(PG_FUNCTION_ARGS);
@@ -435,6 +436,7 @@ extern Datum float8_var_samp(PG_FUNCTION_ARGS);
extern Datum float8_stddev_pop(PG_FUNCTION_ARGS);
extern Datum float8_stddev_samp(PG_FUNCTION_ARGS);
extern Datum float8_regr_accum(PG_FUNCTION_ARGS);
+extern Datum float8_regr_combine(PG_FUNCTION_ARGS);
extern Datum float8_regr_sxx(PG_FUNCTION_ARGS);
extern Datum float8_regr_syy(PG_FUNCTION_ARGS);
extern Datum float8_regr_sxy(PG_FUNCTION_ARGS);