diff --git a/bin/data/adjust.awk b/bin/data/adjust.awk
index 66ed571..b2f7fa5 100644
--- a/bin/data/adjust.awk
+++ b/bin/data/adjust.awk
@@ -1 +1,19 @@
-BEGIN {FS="/"}{if(NF>2){sub(" [a-zA-z]:.*$"," ",$1);print $1 ".../" $NF}else{sub(" on .*$", " on <TIMESTAMP>");gsub("[0-9]+\\.[0-9][0-9]", "<TIME>");print}}
+BEGIN \
+{\
+	FS="/" \
+}\
+{\
+	if (NF > 2) \
+	{\
+		gsub(" [a-zA-z]:.*$"," ",$1);\
+		print $1 ".../" $NF\
+	}\
+	else\
+	{\
+		gsub(" on .*$", " on <TIMESTAMP>");\
+		gsub("CPU [0-9]+\\.[0-9][0-9]", "CPU <TIME>");\
+		gsub("/[0-9]+\\.[0-9][0-9]", "/<TIME>");\
+		gsub("elapsed [0-9]+\\.[0-9][0-9]", "elapsed <TIME>");\
+		print\
+	}\
+}\
diff --git a/bin/expected/load_bin.out b/bin/expected/load_bin.out
index 104ad13..9535abb 100644
--- a/bin/expected/load_bin.out
+++ b/bin/expected/load_bin.out
@@ -42,7 +42,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.bin
 PARSE_BADFILE = .../bin1.prs
@@ -136,7 +136,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.bin
 PARSE_BADFILE = .../bin2.prs
@@ -251,7 +251,7 @@ NOTICE: BULK LOAD END
 	4 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.bin
 PARSE_BADFILE = .../bin3.prs
@@ -366,7 +366,7 @@ NOTICE: BULK LOAD END
 	4 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../bin3.dup
 PARSE_BADFILE = .../bin4.prs
@@ -464,7 +464,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/bin5.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../bin4.dup
 PARSE_BADFILE = .../bin5.prs
@@ -559,7 +559,7 @@ ERROR: query failed: ERROR:  integer out of range
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/bin6.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data3.bin
 PARSE_BADFILE = .../bin6.prs
@@ -621,7 +621,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/bin7.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data3.bin
 PARSE_BADFILE = .../bin7.prs
@@ -744,7 +744,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin8.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.bin
 PARSE_BADFILE = .../pbfile
@@ -806,7 +806,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin9.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.bin
 PARSE_BADFILE = .../pbfile
@@ -868,7 +868,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin10.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = stdin
 PARSE_BADFILE = .../bin5.prs
@@ -931,7 +931,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin11.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = stdin
 PARSE_BADFILE = .../bin5.prs
@@ -1019,7 +1019,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin12.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = Stdin
 PARSE_BADFILE = .../bin12.prs
@@ -1114,7 +1114,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/bin13.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = Stdin
 PARSE_BADFILE = .../bin13.prs
diff --git a/bin/expected/load_check.out b/bin/expected/load_check.out
index c311e25..7ac05c9 100644
--- a/bin/expected/load_check.out
+++ b/bin/expected/load_check.out
@@ -9,7 +9,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/check1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data5.csv
 PARSE_BADFILE = .../check1.prs
@@ -74,12 +74,40 @@ SELECT * FROM target ORDER BY id;
   7 | fff        |      7
 (5 rows)
 
-\! pg_bulkload -d contrib_regression data/csv7.ctl -i data/data5.csv -l results/check2.log -P results/check2.prs -u results/check2.dup -o "PARSE_ERRORS=-1" -o CHECK_CONSTRAINTS=O
+\! pg_bulkload -d contrib_regression data/csv7.ctl -i data/data5.csv -l results/check2.log -P results/check2.prs -u results/check2.dup -o "PARSE_ERRORS=-1" -o CHECK_CONSTRAINTS=NO
 NOTICE: BULK LOAD START
-ERROR: query failed: ERROR:  invalid input syntax for type boolean: "O"
+ERROR: query failed: ERROR:  could not create unique index "target_pkey"
+DETAIL:  Key (id)=(1) is duplicated.
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/check2.log
-awk: data/adjust.awk:1: fatal: cannot open file `results/check2.log' for reading (No such file or directory)
+
+pg_bulkload 3.1.12 on <TIMESTAMP>
+
+INPUT = .../data5.csv
+PARSE_BADFILE = .../check2.prs
+LOGFILE = .../check2.log
+LIMIT = INFINITE
+PARSE_ERRORS = INFINITE
+CHECK_CONSTRAINTS = NO
+TYPE = CSV
+SKIP = 0
+DELIMITER = ,
+QUOTE = "\""
+ESCAPE = "\""
+NULL = 
+OUTPUT = public.target
+MULTI_PROCESS = YES
+VERBOSE = NO
+WRITER = DIRECT
+DUPLICATE_BADFILE = .../check2.dup
+DUPLICATE_ERRORS = 0
+ON_DUPLICATE_KEEP = NEW
+TRUNCATE = YES
+
+Parse error Record 1: Input Record 3: Rejected - column 2. null value in column "str" violates not-null constraint
+Parse error Record 2: Input Record 6: Rejected - column 1. null value in column "id" violates not-null constraint
+Parse error Record 3: Input Record 9: Rejected - column 1. null value in column "id" violates not-null constraint
+could not create unique index "target_pkey"
 SET enable_seqscan = on;
 SET enable_indexscan = off;
 SET enable_bitmapscan = off;
@@ -117,7 +145,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/check3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data5.csv
 PARSE_BADFILE = .../check3.prs
@@ -192,7 +220,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/check4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data5.csv
 PARSE_BADFILE = .../check4.prs
diff --git a/bin/expected/load_csv.out b/bin/expected/load_csv.out
index 7a9128f..c3568dc 100644
--- a/bin/expected/load_csv.out
+++ b/bin/expected/load_csv.out
@@ -14,7 +14,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/csv1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.csv
 PARSE_BADFILE = .../csv1.prs
@@ -85,7 +85,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/csv1-2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.csv
 PARSE_BADFILE = .../csv1-2.prs
@@ -151,7 +151,7 @@ ERROR: query failed: ERROR:  Maximum duplicate error count exceeded
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/csv2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../csv2.prs
@@ -214,7 +214,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/csv3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../csv3.prs
@@ -298,7 +298,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/csv4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../csv4.prs
@@ -351,7 +351,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/csv5.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../csv5.prs
@@ -433,7 +433,7 @@ ERROR: query failed: ERROR:  integer out of range
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/csv6.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data3.csv
 PARSE_BADFILE = .../csv6.prs
@@ -483,7 +483,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/csv7.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data3.csv
 PARSE_BADFILE = .../csv7.prs
diff --git a/bin/expected/load_encoding_1.out b/bin/expected/load_encoding_1.out
index 526b660..f1d60c4 100644
--- a/bin/expected/load_encoding_1.out
+++ b/bin/expected/load_encoding_1.out
@@ -10,7 +10,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/encoding1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.csv
 PARSE_BADFILE = .../encoding1.prs
@@ -83,7 +83,7 @@ NOTICE: BULK LOAD START
 ERROR: query failed: ERROR:  invalid encoding for parameter "ENCODING": "UTF0"
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/encoding2.log
-awk: data/adjust.awk:1: fatal: cannot open file `results/encoding2.log' for reading (No such file or directory)
+awk: data/adjust.awk:4: fatal: cannot open file `results/encoding2.log' for reading (No such file or directory)
 SET enable_seqscan = on;
 SET enable_indexscan = off;
 SET enable_bitmapscan = off;
@@ -129,7 +129,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/encoding3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.csv
 PARSE_BADFILE = .../encoding3.prs
@@ -199,7 +199,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/encoding4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.csv
 PARSE_BADFILE = .../encoding4.prs
@@ -272,7 +272,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/encoding5.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.csv
 PARSE_BADFILE = .../encoding5.prs
@@ -350,7 +350,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/encoding6.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.csv
 PARSE_BADFILE = .../encoding6.prs
diff --git a/bin/expected/load_filter_2.out b/bin/expected/load_filter_2.out
index a161cb8..f0e7ce8 100644
--- a/bin/expected/load_filter_2.out
+++ b/bin/expected/load_filter_2.out
@@ -143,7 +143,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/filter1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data6.csv
 PARSE_BADFILE = .../filter1.prs
@@ -217,7 +217,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/filter2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data6.csv
 PARSE_BADFILE = .../filter2.prs
@@ -291,7 +291,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/filter3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data6.csv
 PARSE_BADFILE = .../filter3.prs
@@ -359,7 +359,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/filter4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data7.csv
 PARSE_BADFILE = .../filter4.prs
@@ -431,7 +431,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/filter5.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data4.bin
 PARSE_BADFILE = .../filter5.prs
diff --git a/bin/expected/load_function_3.out b/bin/expected/load_function_3.out
index 68b8f66..729d64d 100644
--- a/bin/expected/load_function_3.out
+++ b/bin/expected/load_function_3.out
@@ -66,7 +66,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/function1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = public.load_function1(1,5,'A''')
 PARSE_BADFILE = .../function1.prs
@@ -128,7 +128,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public.load_function1( - - - 3, -+- 5,'''B')"
 PARSE_BADFILE = .../function2.prs
@@ -205,7 +205,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public	.	load_function1	 (	 3	 ,	 '7'	 ,	 nUlL	 )	 "
 PARSE_BADFILE = .../function3.prs
@@ -284,7 +284,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function3.prs
 PARSE_BADFILE = .../function4.prs
@@ -332,7 +332,7 @@ NOTICE: BULK LOAD END
 	3 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/function5.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function3.prs
 PARSE_BADFILE = .../function5.prs
@@ -416,7 +416,7 @@ NOTICE: BULK LOAD END
 	4 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/function6.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public . load_function1	 (	 3	 ,	 '7'	 ,	 nUlL	 )	 "
 PARSE_BADFILE = .../function6.prs
@@ -497,7 +497,7 @@ NOTICE: BULK LOAD END
 	1 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/function7.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public.load_function1(7, 10)"
 PARSE_BADFILE = .../function7.prs
@@ -581,7 +581,7 @@ NOTICE: BULK LOAD END
 	6 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/function8.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public.load_function2('216', 0, 'function2', -2, 2, 4, 6, 8, 10, 12)"
 PARSE_BADFILE = .../function8.prs
@@ -673,7 +673,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function9.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = "public.load_function2('216', 0, 'function2 duplicate', 1,1,1,1,1)"
 PARSE_BADFILE = .../function9.prs
@@ -764,7 +764,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function10.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function9.dup
 PARSE_BADFILE = .../function10.prs
@@ -881,7 +881,7 @@ DETAIL:  Key (c_id, c_w_id, c_d_id)=(1, 0, 216) is duplicated.
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/function13.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function9.dup
 PARSE_BADFILE = .../function13.prs
@@ -912,7 +912,7 @@ ERROR: query failed: ERROR:  Maximum duplicate error count exceeded
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/function14.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function9.dup
 PARSE_BADFILE = .../function14.prs
@@ -949,7 +949,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/function14.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function9.dup
 PARSE_BADFILE = .../function14.prs
@@ -976,7 +976,7 @@ Duplicate error Record 1: Rejected - duplicate key value violates unique constra
 Duplicate error Record 2: Rejected - duplicate key value violates unique constraint "customer_pkey"
 Maximum duplicate error count exceeded
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../function9.dup
 PARSE_BADFILE = .../function14.prs
diff --git a/bin/expected/load_parallel.out b/bin/expected/load_parallel.out
index edad181..d67b460 100644
--- a/bin/expected/load_parallel.out
+++ b/bin/expected/load_parallel.out
@@ -11,7 +11,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/parallel1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data1.csv
 PARSE_BADFILE = .../parallel1.prs
@@ -81,7 +81,7 @@ ERROR: query failed: ERROR:  Maximum duplicate error count exceeded
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/parallel2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../parallel2.prs
@@ -144,7 +144,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/parallel3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../parallel3.prs
@@ -220,7 +220,7 @@ ERROR: query failed: ERROR:  Maximum duplicate error count exceeded
 DETAIL: query was: SELECT * FROM pg_bulkload($1)
 \! awk -f data/adjust.awk results/parallel4.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../data2.csv
 PARSE_BADFILE = .../parallel4.prs
diff --git a/bin/expected/load_remote.out b/bin/expected/load_remote.out
index 6f99eea..2098d1d 100644
--- a/bin/expected/load_remote.out
+++ b/bin/expected/load_remote.out
@@ -10,7 +10,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/remote1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = stdin
 PARSE_BADFILE = .../remote1.prs
@@ -80,7 +80,7 @@ NOTICE: BULK LOAD START
 ERROR: copy failed: ERROR:  Maximum duplicate error count exceeded
 \! awk -f data/adjust.awk results/remote2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = stdin
 PARSE_BADFILE = .../remote2.prs
@@ -145,7 +145,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/remote3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = stdin
 PARSE_BADFILE = .../remote3.prs
diff --git a/bin/expected/write_bin.out b/bin/expected/write_bin.out
index 2fe2f89..ced61e0 100644
--- a/bin/expected/write_bin.out
+++ b/bin/expected/write_bin.out
@@ -82,7 +82,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/binout1.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../binout1.csv
 PARSE_BADFILE = .../binout1.prs
@@ -146,7 +146,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/binout1.bin.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../binout1.bin
 PARSE_BADFILE = .../binout1.bin.prs
@@ -207,7 +207,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/binout2.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../binout2.csv
 PARSE_BADFILE = .../binout2.prs
@@ -256,7 +256,7 @@ NOTICE: BULK LOAD END
 WARNING: some rows were not loaded due to errors.
 \! awk -f data/adjust.awk results/binout2.bin.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../binout2.bin
 PARSE_BADFILE = .../binout2.bin.prs
@@ -320,7 +320,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/binout3.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = binout_f1()
 PARSE_BADFILE = .../binout3.prs
@@ -363,7 +363,7 @@ NOTICE: BULK LOAD END
 	0 Rows replaced with new rows.
 \! awk -f data/adjust.awk results/binout3.bin.log
 
-pg_bulkload 3.1.9 on <TIMESTAMP>
+pg_bulkload 3.1.12 on <TIMESTAMP>
 
 INPUT = .../binout3.bin
 PARSE_BADFILE = .../binout3.bin.prs
diff --git a/bin/postgresql b/bin/postgresql
index 578b2ec..315d7aa 100644
--- a/bin/postgresql
+++ b/bin/postgresql
@@ -91,7 +91,7 @@ while [ $# -gt 0 ];do
         ;;
     -V|--version)
         # Show a version of pg_bulkload and PostgreSQL and exit normally
-        echo "pg_bulkload 3.1.9"
+        echo "pg_bulkload 3.1.12"
         pg_ctl --version
         exit 0
         ;;
diff --git a/bin/sql/load_check.sql b/bin/sql/load_check.sql
index 6c2a7be..1a166b1 100644
--- a/bin/sql/load_check.sql
+++ b/bin/sql/load_check.sql
@@ -11,7 +11,7 @@ SET enable_indexscan = on;
 SET enable_bitmapscan = off;
 SELECT * FROM target ORDER BY id;
 
-\! pg_bulkload -d contrib_regression data/csv7.ctl -i data/data5.csv -l results/check2.log -P results/check2.prs -u results/check2.dup -o "PARSE_ERRORS=-1" -o CHECK_CONSTRAINTS=O
+\! pg_bulkload -d contrib_regression data/csv7.ctl -i data/data5.csv -l results/check2.log -P results/check2.prs -u results/check2.dup -o "PARSE_ERRORS=-1" -o CHECK_CONSTRAINTS=NO
 \! awk -f data/adjust.awk results/check2.log
 
 SET enable_seqscan = on;
diff --git a/include/common.h b/include/common.h
index 6923480..8dc6971 100644
--- a/include/common.h
+++ b/include/common.h
@@ -12,7 +12,7 @@
 #ifndef COMMON_H_INCLUDED
 #define COMMON_H_INCLUDED
 
-#define PG_BULKLOAD_VERSION "3.1.9"
+#define PG_BULKLOAD_VERSION "3.1.12"
 
 
 #ifndef PG_BULKLOAD_PRINTF_ATTRIBUTE