use lib/pq for postgres

README.md

@@ -145,7 +145,15 @@ Imposm3 uses the following libraries. `go get` will fetch these:
 - <https://github.com/mattn/go-sqlite3>
 - <https://code.google.com/p/goprotobuf/proto>
 - <https://code.google.com/p/goprotobuf/protoc-gen-go>
-- <https://github.com/olt/pq>
+- <https://github.com/lib/pq>
+
+For now you need to upgrade lib/pq to the bulk branch:
+
+    cd $GOPATH/src/github.com/lib/pq
+    git remote add olt https://github.com/olt/libpq.git
+    git fetch olt
+    git checkout olt/bulk
+
 
 #### Other
 

database/postgis/postgis.go

@@ -3,7 +3,7 @@ package postgis
 import (
 	"database/sql"
 	"fmt"
-	pq "github.com/olt/pq"
+	pq "github.com/lib/pq"
 	"imposm3/database"
 	"imposm3/element"
 	"imposm3/logging"