diff --git a/expected/datatypes.out b/expected/datatypes.out
index ff40415..aea11ad 100644
--- a/expected/datatypes.out
+++ b/expected/datatypes.out
@@ -14,7 +14,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -48,7 +48,7 @@ COPY: 4	four
 ----------------------------------------------------------------------------------------------
 --
 -- do one test without options
-\! pg_filedump int,text.heap | sed -e 's/logid      ./logid      ./' -e 's/recoff 0x......../recoff 0x......../'
+\! pg_filedump int,text.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -88,7 +88,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -134,7 +134,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -178,7 +178,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -220,7 +220,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -264,7 +264,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -316,7 +316,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -362,7 +362,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -410,7 +410,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -452,7 +452,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -496,7 +496,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -542,7 +542,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -588,7 +588,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -630,7 +630,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -676,7 +676,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -725,7 +725,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -773,7 +773,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -821,7 +821,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -865,7 +865,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -909,7 +909,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -953,7 +953,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/datatypes_3.out b/expected/datatypes_3.out
index f7ea25f..bdd23b0 100644
--- a/expected/datatypes_3.out
+++ b/expected/datatypes_3.out
@@ -14,7 +14,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -48,7 +48,7 @@ COPY: 4	four
 ----------------------------------------------------------------------------------------------
 --
 -- do one test without options
-\! pg_filedump int,text.heap | sed -e 's/logid      ./logid      ./' -e 's/recoff 0x......../recoff 0x......../'
+\! pg_filedump int,text.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -88,7 +88,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -134,7 +134,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -178,7 +178,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -220,7 +220,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -264,7 +264,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -316,7 +316,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -362,7 +362,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -410,7 +410,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -452,7 +452,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -496,7 +496,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -542,7 +542,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -588,7 +588,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -630,7 +630,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -676,7 +676,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -725,7 +725,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -773,7 +773,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -821,7 +821,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -865,7 +865,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -909,7 +909,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -953,7 +953,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/float.out b/expected/float.out
index 625abb2..6fb2de1 100644
--- a/expected/float.out
+++ b/expected/float.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/float_1.out b/expected/float_1.out
index f64a058..e5df3ad 100644
--- a/expected/float_1.out
+++ b/expected/float_1.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/float_3.out b/expected/float_3.out
index 441ebe8..16c9c72 100644
--- a/expected/float_3.out
+++ b/expected/float_3.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/float_4.out b/expected/float_4.out
index 731487a..db21eb6 100644
--- a/expected/float_4.out
+++ b/expected/float_4.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/numeric.out b/expected/numeric.out
index 5b24dcb..9f9eeb4 100644
--- a/expected/numeric.out
+++ b/expected/numeric.out
@@ -16,7 +16,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/numeric_1.out b/expected/numeric_1.out
index 1ba9896..a27f765 100644
--- a/expected/numeric_1.out
+++ b/expected/numeric_1.out
@@ -19,7 +19,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/numeric_3.out b/expected/numeric_3.out
index 8a29621..332f5ee 100644
--- a/expected/numeric_3.out
+++ b/expected/numeric_3.out
@@ -16,7 +16,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/numeric_4.out b/expected/numeric_4.out
index 2065fe0..0bccf74 100644
--- a/expected/numeric_4.out
+++ b/expected/numeric_4.out
@@ -19,7 +19,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/toast.out b/expected/toast.out
index a52a29d..70ff111 100644
--- a/expected/toast.out
+++ b/expected/toast.out
@@ -26,7 +26,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'reltoastrelid')) as toast_loi
 \set output :reltoastrelid
 \lo_export :toast_loid :output
 \setenv relname :relname
-\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -62,7 +62,7 @@ COPY: extended compressed lz4	(TOASTED,lz4)
 
 
 *** End of File Encountered. Last Block Read: 0 ***
-\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e 's/id:  ...../id:  ...../g' -e 's/ 8< .*//'
+\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/" -e "s/id: \+[0-9]\+,/id:  .....,/g" -e "s/ 8< .*//"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/toast_1.out b/expected/toast_1.out
index 1467395..8ebacf7 100644
--- a/expected/toast_1.out
+++ b/expected/toast_1.out
@@ -29,7 +29,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'reltoastrelid')) as toast_loi
 \set output :reltoastrelid
 \lo_export :toast_loid :output
 \setenv relname :relname
-\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ COPY: extended compressed lz4	(TOASTED,pglz)
 
 
 *** End of File Encountered. Last Block Read: 0 ***
-\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e 's/id:  ...../id:  ...../g' -e 's/ 8< .*//'
+\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/" -e "s/id: \+[0-9]\+,/id:  .....,/g" -e "s/ 8< .*//"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/toast_3.out b/expected/toast_3.out
index 5d9b29a..e52da8f 100644
--- a/expected/toast_3.out
+++ b/expected/toast_3.out
@@ -26,7 +26,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'reltoastrelid')) as toast_loi
 \set output :reltoastrelid
 \lo_export :toast_loid :output
 \setenv relname :relname
-\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -62,7 +62,7 @@ COPY: extended compressed lz4	(TOASTED,lz4)
 
 
 *** End of File Encountered. Last Block Read: 0 ***
-\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e 's/id:  ...../id:  ...../g' -e 's/ 8< .*//'
+\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/" -e "s/id: \+[0-9]\+,/id:  .....,/g" -e "s/ 8< .*//"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/toast_4.out b/expected/toast_4.out
index 805e23d..ee9d12a 100644
--- a/expected/toast_4.out
+++ b/expected/toast_4.out
@@ -29,7 +29,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'reltoastrelid')) as toast_loi
 \set output :reltoastrelid
 \lo_export :toast_loid :output
 \setenv relname :relname
-\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
@@ -65,7 +65,7 @@ COPY: extended compressed lz4	(TOASTED,pglz)
 
 
 *** End of File Encountered. Last Block Read: 0 ***
-\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e 's/id:  ...../id:  ...../g' -e 's/ 8< .*//'
+\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/" -e "s/id: \+[0-9]\+,/id:  .....,/g" -e "s/ 8< .*//"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/xml.out b/expected/xml.out
index c7c1040..319f384 100644
--- a/expected/xml.out
+++ b/expected/xml.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/xml_1.out b/expected/xml_1.out
index 2022565..600db41 100644
--- a/expected/xml_1.out
+++ b/expected/xml_1.out
@@ -20,7 +20,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/expected/xml_3.out b/expected/xml_3.out
index fffda67..3b5c037 100644
--- a/expected/xml_3.out
+++ b/expected/xml_3.out
@@ -15,7 +15,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \set output :relname '.heap'
 \lo_export :oid :output
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 *******************************************************************
 * PostgreSQL File/Block Formatted Dump Utility
diff --git a/run_test.sql b/run_test.sql
index 23e776c..3371e21 100644
--- a/run_test.sql
+++ b/run_test.sql
@@ -9,7 +9,7 @@ select lo_import(format('base/%s/%s', :'datoid', :'relfilenode')) as oid \gset
 \lo_export :oid :output
 
 \setenv relname :relname
-\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
+\! pg_filedump -D $relname $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 --
 ----------------------------------------------------------------------------------------------
diff --git a/sql/datatypes.sql b/sql/datatypes.sql
index e1a7703..e4d2463 100644
--- a/sql/datatypes.sql
+++ b/sql/datatypes.sql
@@ -10,7 +10,7 @@ insert into "int,text" values (1, 'one'), (null, 'two'), (3, null), (4, 'four');
 \ir run_test.sql
 
 -- do one test without options
-\! pg_filedump int,text.heap | sed -e 's/logid      ./logid      ./' -e 's/recoff 0x......../recoff 0x......../'
+\! pg_filedump int,text.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
 
 ----------------------------------------------------------------------------------------------
 
diff --git a/sql/toast.sql b/sql/toast.sql
index 985f100..78248a9 100644
--- a/sql/toast.sql
+++ b/sql/toast.sql
@@ -34,5 +34,5 @@ select lo_import(format('base/%s/%s', :'datoid', :'reltoastrelid')) as toast_loi
 \lo_export :toast_loid :output
 
 \setenv relname :relname
-\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../"
-\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e 's/id:  ...../id:  ...../g' -e 's/ 8< .*//'
+\! pg_filedump -D text,text $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/"
+\! pg_filedump -D text,text -t $relname.heap | sed -e "s/logid      ./logid      ./" -e "s/recoff 0x......../recoff 0x......../" -e "s/Checksum: 0x..../Checksum: 0x0000/" -e "s/id: \+[0-9]\+,/id:  .....,/g" -e "s/ 8< .*//"