1. Add go.mod

2. Set PRAGMA settings for the modernc sqlite implementation to try
to achieve speed parity with the cgo sqlite3.

go.mod

@@ -1,13 +1,51 @@
 module github.com/carbocation/bgen
 
-go 1.16
+go 1.18
 
 require (
 	cloud.google.com/go/storage v1.15.0
 	github.com/carbocation/genomisc v0.0.0-20210612124837-f4ebcb097e4f
 	github.com/carbocation/pfx v0.0.0-20170506025114-9d1550a512ea
-	github.com/jmoiron/sqlx v1.3.1
+	github.com/jmoiron/sqlx v1.3.4
 	github.com/klauspost/compress v1.11.12
-	github.com/mattn/go-sqlite3 v1.14.6
-	modernc.org/sqlite v1.10.0
+	github.com/mattn/go-sqlite3 v1.14.12
+	modernc.org/sqlite v1.16.0
+)
+
+require (
+	cloud.google.com/go v0.81.0 // indirect
+	github.com/csimplestring/go-csv v0.0.0-20180328183906-5b8b3cd94f2c // indirect
+	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/googleapis/gax-go/v2 v2.0.5 // indirect
+	github.com/jstemmer/go-junit-report v0.9.1 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
+	github.com/krolaw/zipstream v0.0.0-20180621105154-0a2661891f94 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
+	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
+	go.opencensus.io v0.23.0 // indirect
+	golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220412012744-41445a152478 // indirect
+	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
+	golang.org/x/oauth2 v0.0.0-20210413134643-5e61552d6c78 // indirect
+	golang.org/x/sys v0.0.0-20220412015802-83041a38b14a // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/tools v0.1.10 // indirect
+	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
+	google.golang.org/api v0.45.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20210420162539-3c870d7478d2 // indirect
+	google.golang.org/grpc v1.37.0 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	lukechampine.com/uint128 v1.2.0 // indirect
+	modernc.org/cc/v3 v3.35.26 // indirect
+	modernc.org/ccgo/v3 v3.16.0 // indirect
+	modernc.org/libc v1.15.0 // indirect
+	modernc.org/mathutil v1.4.1 // indirect
+	modernc.org/memory v1.0.7 // indirect
+	modernc.org/opt v0.1.3 // indirect
+	modernc.org/strutil v1.1.1 // indirect
+	modernc.org/token v1.0.0 // indirect
 )