4 files changed, 8 insertions, 8 deletions
diff --git a/contrib/jsonb_plperl/expected/jsonb_plperl.out b/contrib/jsonb_plperl/expected/jsonb_plperl.out
index d6c3becf631..c16d16dab4e 100644
--- a/contrib/jsonb_plperl/expected/jsonb_plperl.out
+++ b/contrib/jsonb_plperl/expected/jsonb_plperl.out
@@ -43,7 +43,7 @@ CREATE FUNCTION testInf() RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'Inf';
+$val = 9**9**9;  # we assume this will overflow to +Inf
 return $val;
 $$;
 SELECT testInf();
@@ -53,7 +53,7 @@ CREATE FUNCTION testNaN() RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'NaN';
+$val = sin(9**9**9);  # we assume sin(inf) will yield NaN
 return $val;
 $$;
 SELECT testNaN();
diff --git a/contrib/jsonb_plperl/expected/jsonb_plperlu.out b/contrib/jsonb_plperl/expected/jsonb_plperlu.out
index 65ed21f3b2d..e84ea7cf66c 100644
--- a/contrib/jsonb_plperl/expected/jsonb_plperlu.out
+++ b/contrib/jsonb_plperl/expected/jsonb_plperlu.out
@@ -43,7 +43,7 @@ CREATE FUNCTION testInf() RETURNS jsonb
 LANGUAGE plperlu
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'Inf';
+$val = 9**9**9;  # we assume this will overflow to +Inf
 return $val;
 $$;
 SELECT testInf();
@@ -53,7 +53,7 @@ CREATE FUNCTION testNaN() RETURNS jsonb
 LANGUAGE plperlu
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'NaN';
+$val = sin(9**9**9);  # we assume sin(inf) will yield NaN
 return $val;
 $$;
 SELECT testNaN();
diff --git a/contrib/jsonb_plperl/sql/jsonb_plperl.sql b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
index 5f94a4c51ae..436e18730f8 100644
--- a/contrib/jsonb_plperl/sql/jsonb_plperl.sql
+++ b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
@@ -38,7 +38,7 @@ CREATE FUNCTION testInf() RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'Inf';
+$val = 9**9**9;  # we assume this will overflow to +Inf
 return $val;
 $$;
 
@@ -49,7 +49,7 @@ CREATE FUNCTION testNaN() RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'NaN';
+$val = sin(9**9**9);  # we assume sin(inf) will yield NaN
 return $val;
 $$;
 
diff --git a/contrib/jsonb_plperl/sql/jsonb_plperlu.sql b/contrib/jsonb_plperl/sql/jsonb_plperlu.sql
index 9c0c083c99c..339486ddb6f 100644
--- a/contrib/jsonb_plperl/sql/jsonb_plperlu.sql
+++ b/contrib/jsonb_plperl/sql/jsonb_plperlu.sql
@@ -38,7 +38,7 @@ CREATE FUNCTION testInf() RETURNS jsonb
 LANGUAGE plperlu
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'Inf';
+$val = 9**9**9;  # we assume this will overflow to +Inf
 return $val;
 $$;
 
@@ -49,7 +49,7 @@ CREATE FUNCTION testNaN() RETURNS jsonb
 LANGUAGE plperlu
 TRANSFORM FOR TYPE jsonb
 AS $$
-$val = 0 + 'NaN';
+$val = sin(9**9**9);  # we assume sin(inf) will yield NaN
 return $val;
 $$;