Add person table.

Import mail associated with -user specified on commandline.

cmd/md2pq/md2pq.go

@@ -6,31 +6,33 @@ import (
 	"database/sql"
 	"flag"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
 	"time"
 
 	"github.com/golang/glog"
-	"github.com/lib/pq"
+	_ "github.com/lib/pq"
 
 	"xinu.tv/email"
 	"xinu.tv/set"
+	"xinu.tv/types"
 )
 
 var (
 	maildir   = flag.String("maildir", "", "Maildir root")
+	username  = flag.String("user", "wathiede", "username for email we're importing")
 	skipFiles = flag.String("skip", "maildirfolder,log,msgid.cache,razor-agent.log",
 		"comma separated files to skip")
 
 	// Hashed over fields from each message.
-	headers = []string{"to", "from", "cc", "date", "subject"}
+	headers = []string{"to", "from", "cc", "date", "subject", "message-id"}
 )
 
 var CRCR = []byte("\n\n")
 
-func Load(db *sql.DB, root string, skip *set.StringSet) error {
+func Load(db *sql.DB, uid int, root string, skip *set.StringSet) error {
 	dup := set.NewStrings()
 	start := time.Now()
 	cnt := 0
@@ -45,16 +47,25 @@ func Load(db *sql.DB, root string, skip *set.StringSet) error {
 		return err
 	}
 
-	stmt, err := txn.Prepare(pq.CopyIn("original", "hash", "header_size",
+	stmt, err := txn.Prepare("INSERT INTO original (uid, hash, header_size, total_size, blob) VALUES ($1, $2, $3, $4, $5);")
-		"total_size", "blob"))
+	//stmt, err := txn.Prepare(pq.CopyIn("original", "uid", "hash", "total_size", "header", "body"))
 	if err != nil {
 		if err := txn.Rollback(); err != nil {
-			glog.Errorln("txn.Prepare error rolling back", err)
+			glog.Errorln("txn.Prepare stmt error rolling back", err)
 		}
 		return err
 	}
 
-	b := new(bytes.Buffer)
+	//hstmt, err := txn.Prepare(pq.CopyIn("files", "hash", "path"))
+	hstmt, err := txn.Prepare("INSERT INTO files (hash, path) VALUES ($1, $2);")
+	if err != nil {
+		if err := txn.Rollback(); err != nil {
+			glog.Errorln("txn.Prepare hstmt error rolling back", err)
+		}
+		return err
+	}
+
+	var total int
 	err = filepath.Walk(root,
 		func(path string, info os.FileInfo, err error) error {
 			if err != nil {
@@ -69,21 +80,19 @@ func Load(db *sql.DB, root string, skip *set.StringSet) error {
 				return nil
 			}
 
-			b.Reset()
 			r, err := os.Open(path)
 			if err != nil {
 				return err
 			}
 			defer r.Close()
 
-			n, err := io.Copy(b, r)
+			b, err := ioutil.ReadAll(r)
 			if err != nil {
 				return err
 			}
 
-			blob := b.Bytes()
+			hdr_size := bytes.Index(b, CRCR)
-			hdr_size := bytes.Index(blob, CRCR)
+			h, err := email.Hash(bytes.NewReader(b), headers)
-			h, err := email.Hash(bytes.NewReader(blob), headers)
 			if err != nil {
 				glog.Errorf("%s not an mail file", path)
 				glog.Infof("%q", err.Error())
@@ -91,15 +100,26 @@ func Load(db *sql.DB, root string, skip *set.StringSet) error {
 			}
 
 			chksum := fmt.Sprintf("%x", h.Sum(nil))
+			if _, err := hstmt.Exec(chksum, path); err != nil {
+				return err
+			}
+
 			if dup.Contains(chksum) {
-				glog.Warningln("Dup email found", chksum, path, len(blob))
+				glog.Warningln("Dup ", chksum, path[len(root)+1:], len(b))
 				dupCnt++
 				return nil
 			}
 			dup.Add(chksum)
 
-			glog.Infoln(chksum, hdr_size, n)
+			n := len(b)
-			if _, err := stmt.Exec(chksum, hdr_size, n, blob); err != nil {
+			total += n
+			delta := time.Since(start)
+			if cnt%1000 == 0 {
+				glog.Infof("%d messages processed in %s: %.2f msg/s %s/s", cnt,
+					delta, float64(cnt)/delta.Seconds(),
+					types.Base2Size(float64(total)/delta.Seconds()))
+			}
+			if _, err := stmt.Exec(uid, chksum, hdr_size, n, b); err != nil {
 				return err
 			}
 
@@ -107,12 +127,14 @@ func Load(db *sql.DB, root string, skip *set.StringSet) error {
 			return nil
 		})
 
-	if _, err := stmt.Exec(); err != nil {
+	/*
-		if err := txn.Rollback(); err != nil {
+		if _, err := stmt.Exec(); err != nil {
-			glog.Errorln("stmt.Exec error rolling back", err)
+			if err := txn.Rollback(); err != nil {
+				glog.Errorln("stmt.Exec error rolling back", err)
+			}
+			return err
 		}
-		return err
+	*/
-	}
 
 	if err := stmt.Close(); err != nil {
 		if err := txn.Rollback(); err != nil {
@@ -121,9 +143,26 @@ func Load(db *sql.DB, root string, skip *set.StringSet) error {
 		return err
 	}
 
+	if err := hstmt.Close(); err != nil {
+		if err := txn.Rollback(); err != nil {
+			glog.Errorln("stmt.Close error rolling back", err)
+		}
+		return err
+	}
+
 	return txn.Commit()
 }
 
+func GetUid(db *sql.DB, username string) (int, error) {
+	var uid int
+	err := db.QueryRow("SELECT uid FROM person WHERE username=$1", username).Scan(&uid)
+	switch {
+	case err == sql.ErrNoRows, err != nil:
+		return -1, err
+	}
+	return uid, nil
+}
+
 func main() {
 	defer glog.Flush()
 	flag.Parse()
@@ -134,6 +173,12 @@ func main() {
 		glog.Fatal(err)
 	}
 
+	uid, err := GetUid(db, *username)
+	if err != nil {
+		glog.Fatal(err)
+	}
+
+	glog.Infoln("Using uid", uid, "for", *username)
 	if *maildir == "" {
 		fmt.Println("Must specify Maildir with -maildir")
 		os.Exit(1)
@@ -142,7 +187,7 @@ func main() {
 	skip := set.NewStrings(strings.Split(*skipFiles, ",")...)
 	glog.Infoln("Skip files", skip)
 
-	if err := Load(db, *maildir, skip); err != nil {
+	if err := Load(db, uid, *maildir, skip); err != nil {
 		glog.Fatal(err)
 	}
 }

pq/init.sql

@@ -1,7 +1,24 @@
+DROP TABLE files;
 DROP TABLE original;
+DROP TABLE person;
+
+CREATE TABLE files (
+    hash CHAR(40),
+    path TEXT
+);
+
+CREATE TABLE person (
+    uid SERIAL UNIQUE,
+    username TEXT,
+    name TEXT
+);
+
+INSERT INTO person (username, name) VALUES ('wathiede', 'Bill Thiede');
+
 CREATE TABLE original (
-    hash char(40) PRIMARY KEY,
+    uid INTEGER REFERENCES person (uid),
-    header_size integer,
+    hash CHAR(40) PRIMARY KEY,
-    total_size integer,
+    header_size INTEGER,
-    blob bytea
+    total_size INTEGER,
-)
+    blob BYTEA
+);