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Merge pull request #261 from pmezard/improve-bleve-dump

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bleve_dump: improve online help and error handling
This commit is contained in:
Marty Schoch 2015-10-26 11:04:55 -04:00
commit 0ba164322b
1 changed files with 22 additions and 3 deletions
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25
utils/bleve_dump/main.go
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@ -14,6 +14,8 @@ import (
"flag"
"fmt"
"log"
"os"
"strings"
"github.com/blevesearch/bleve"
_ "github.com/blevesearch/bleve/config"
@ -23,12 +25,23 @@ import (
var indexPath = flag.String("index", "", "index path")
var fieldsOnly = flag.Bool("fields", false, "fields only")
var docID = flag.String("docID", "", "docID to dump")
var mappingOnly = flag.Bool("mapping", false, "print mapping")
var fieldsOnly = flag.Bool("fields", false, "print only field definitions")
var docID = flag.String("docID", "", "print only rows related to specified document")
var mappingOnly = flag.Bool("mapping", false, "print only index mappings")
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, strings.TrimSpace(`
bleve_dump prints the properties and binary representations of all rows in the
index specified by -index.
`)+"\n\n")
flag.PrintDefaults()
}
flag.Parse()
if len(flag.Args()) > 0 {
log.Fatalf("unexpected argument '%s', use -help to see possible options",
flag.Args()[0])
}
if *indexPath == "" {
log.Fatal("specify index to dump")
}
@ -45,6 +58,9 @@ func main() {
}()
if *mappingOnly {
if *docID != "" || *fieldsOnly {
log.Fatal("-mapping cannot be used with -docID or -fields")
}
mapping := index.Mapping()
jsonBytes, err := json.MarshalIndent(mapping, "", " ")
if err != nil {
@ -56,6 +72,9 @@ func main() {
var dumpChan chan interface{}
if *docID != "" {
if *fieldsOnly {
log.Fatal("-docID cannot be used with -fields")
}
dumpChan = index.DumpDoc(*docID)
} else if *fieldsOnly {
dumpChan = index.DumpFields()