bump minimum go version to 1.8, add go 1.10

.travis.sh

@@ -71,12 +71,6 @@ postgresql_uninstall() {
 }
 
 megacheck_install() {
-	# Megacheck is Go 1.6+, so skip if Go 1.5.
-	if [[ "$(go version)" =~ "go1.5" ]]
-	then
-		echo "megacheck not supported, skipping installation"
-		return 0
-	fi
 	# Lock megacheck version at $MEGACHECK_VERSION to prevent spontaneous
 	# new error messages in old code.
 	go get -d honnef.co/go/tools/...
@@ -86,12 +80,6 @@ megacheck_install() {
 }
 
 golint_install() {
-	# Golint is Go 1.6+, so skip if Go 1.5.
-	if [[ "$(go version)" =~ "go1.5" ]]
-	then
-		echo "golint not supported, skipping installation"
-		return 0
-	fi
 	go get github.com/golang/lint/golint
 }
 

.travis.yml

@@ -1,10 +1,9 @@
 language: go
 
 go:
-  - 1.6.x
-  - 1.7.x
   - 1.8.x
   - 1.9.x
+  - 1.10.x
   - master
 
 sudo: true
@@ -15,7 +14,7 @@ env:
     - PQGOSSLTESTS=1
     - PQSSLCERTTEST_PATH=$PWD/certs
     - PGHOST=127.0.0.1
-    - MEGACHECK_VERSION=2017.2.1
+    - MEGACHECK_VERSION=2017.2.2
   matrix:
     - PGVERSION=10
     - PGVERSION=9.6
@@ -45,13 +44,7 @@ script:
   - >
     goimports -d -e $(find -name '*.go') | awk '{ print } END { exit NR == 0 ? 0 : 1 }'
   - go vet ./...
-    # For compatibility with Go 1.5, launch only if megacheck is present.
-  - >
-    which megacheck > /dev/null && megacheck -go 1.5 ./...
-    || echo 'megacheck is not supported, skipping check'
-    # For compatibility with Go 1.5, launch only if golint is present.
-  - >
-    which golint > /dev/null && golint ./...
-    || echo 'golint is not supported, skipping check'
+  - megacheck -go 1.8 ./...
+  - golint ./...
   - PQTEST_BINARY_PARAMETERS=no  go test -race -v ./...
   - PQTEST_BINARY_PARAMETERS=yes go test -race -v ./...

bench_test.go

@@ -5,6 +5,7 @@ package pq
 import (
 	"bufio"
 	"bytes"
+	"context"
 	"database/sql"
 	"database/sql/driver"
 	"io"
@@ -156,7 +157,7 @@ func benchMockQuery(b *testing.B, c *conn, query string) {
 		b.Fatal(err)
 	}
 	defer stmt.Close()
-	rows, err := stmt.Query(nil)
+	rows, err := stmt.(driver.StmtQueryContext).QueryContext(context.Background(), nil)
 	if err != nil {
 		b.Fatal(err)
 	}
@@ -266,7 +267,7 @@ func BenchmarkMockPreparedSelectSeries(b *testing.B) {
 }
 
 func benchPreparedMockQuery(b *testing.B, c *conn, stmt driver.Stmt) {
-	rows, err := stmt.Query(nil)
+	rows, err := stmt.(driver.StmtQueryContext).QueryContext(context.Background(), nil)
 	if err != nil {
 		b.Fatal(err)
 	}

conn_test.go

@@ -1,6 +1,7 @@
 package pq
 
 import (
+	"context"
 	"database/sql"
 	"database/sql/driver"
 	"fmt"
@@ -1263,8 +1264,8 @@ func TestParseComplete(t *testing.T) {
 
 // Test interface conformance.
 var (
-	_ driver.Execer  = (*conn)(nil)
-	_ driver.Queryer = (*conn)(nil)
+	_ driver.ExecerContext  = (*conn)(nil)
+	_ driver.QueryerContext = (*conn)(nil)
 )
 
 func TestNullAfterNonNull(t *testing.T) {
@@ -1609,10 +1610,10 @@ func TestRowsResultTag(t *testing.T) {
 		t.Fatal(err)
 	}
 	defer conn.Close()
-	q := conn.(driver.Queryer)
+	q := conn.(driver.QueryerContext)
 
 	for _, test := range tests {
-		if rows, err := q.Query(test.query, nil); err != nil {
+		if rows, err := q.QueryContext(context.Background(), test.query, nil); err != nil {
 			t.Fatalf("%s: %s", test.query, err)
 		} else {
 			r := rows.(ResultTag)

copy_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"database/sql"
 	"database/sql/driver"
+	"net"
 	"strings"
 	"testing"
 )
@@ -400,15 +401,19 @@ func TestCopyRespLoopConnectionError(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected error")
 	}
-	pge, ok := err.(*Error)
-	if !ok {
+	switch pge := err.(type) {
+	case *Error:
+		if pge.Code.Name() != "admin_shutdown" {
+			t.Fatalf("expected admin_shutdown, got %s", pge.Code.Name())
+		}
+	case *net.OpError:
+		// ignore
+	default:
 		if err == driver.ErrBadConn {
 			// likely an EPIPE
 		} else {
-			t.Fatalf("expected *pq.Error or driver.ErrBadConn, got %+#v", err)
+			t.Fatalf("unexpected error, got %+#v", err)
 		}
-	} else if pge.Code.Name() != "admin_shutdown" {
-		t.Fatalf("expected admin_shutdown, got %s", pge.Code.Name())
 	}
 
 	_ = stmt.Close()

go18_test.go

@@ -228,7 +228,9 @@ func TestContextCancelBegin(t *testing.T) {
 			cancel()
 			if err != nil {
 				t.Fatal(err)
-			} else if err := tx.Rollback(); err != nil && err != sql.ErrTxDone {
+			} else if err := tx.Rollback(); err != nil &&
+				err.Error() != "pq: canceling statement due to user request" &&
+				err != sql.ErrTxDone {
 				t.Fatal(err)
 			}
 		}()

notify.go

@@ -784,7 +784,7 @@ func (l *Listener) listenerConnLoop() {
 		}
 		l.emitEvent(ListenerEventDisconnected, err)
 
-		time.Sleep(nextReconnect.Sub(time.Now()))
+		time.Sleep(time.Until(nextReconnect))
 	}
 }