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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// vespa query command
// author: bratseth
package cmd
import (
"errors"
"github.com/spf13/cobra"
"github.com/vespa-engine/vespa/util"
"strings"
"net/http"
"net/url"
"time"
)
func init() {
rootCmd.AddCommand(queryCmd)
}
var queryCmd = &cobra.Command{
Use: "query",
Short: "Issue a query to Vespa",
Long: `TODO, example \"yql=select from sources * where title contains 'foo'\" hits=5`,
// TODO: Support referencing a query json file
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("vespa query requires at least one argument containing the query string")
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
query(args)
},
}
func query(arguments []string) {
url, _ := url.Parse(getTarget(queryContext).query + "/search/")
urlQuery := url.Query()
for i := 0; i < len(arguments); i++ {
key, value := splitArg(arguments[i])
urlQuery.Set(key, value)
}
url.RawQuery = urlQuery.Encode()
response := util.HttpDo(&http.Request{URL: url,}, time.Second * 10, "Container")
if (response == nil) {
return
}
defer response.Body.Close()
if (response.StatusCode == 200) {
util.PrintReader(response.Body)
} else if response.StatusCode / 100 == 4 {
util.Error("Invalid query (" + response.Status + "):")
util.PrintReader(response.Body)
} else {
util.Error("Error from container at", url.Host, "(" + response.Status + "):")
util.PrintReader(response.Body)
}
}
func splitArg(argument string) (string, string) {
equalsIndex := strings.Index(argument, "=")
if equalsIndex < 1 {
return "yql", argument
} else {
return argument[0:equalsIndex], argument[equalsIndex + 1:len(argument)]
}
}
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