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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 (
"log"
"net/http"
"net/url"
"strings"
"time"
"github.com/spf13/cobra"
"github.com/vespa-engine/vespa/client/go/util"
)
func init() {
rootCmd.AddCommand(queryCmd)
}
var queryCmd = &cobra.Command{
Use: "query query-parameters",
Short: "Issue a query to Vespa",
Example: `$ vespa query "yql=select * from sources * where title contains 'foo';" hits=5`,
Long: `Issue a query to Vespa.
Any parameter from https://docs.vespa.ai/en/reference/query-api-reference.html
can be set by the syntax [parameter-name]=[value].`,
// TODO: Support referencing a query json file
DisableAutoGenTag: true,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
query(args)
},
}
func query(arguments []string) {
service := getService("query", 0)
url, _ := url.Parse(service.BaseURL + "/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, err := service.Do(&http.Request{URL: url}, time.Second*10)
if err != nil {
log.Print(color.Red("Error: "), "Request failed: ", err)
return
}
defer response.Body.Close()
if response.StatusCode == 200 {
log.Print(util.ReaderToJSON(response.Body))
} else if response.StatusCode/100 == 4 {
log.Print(color.Red("Error: "), "Invalid query: ", response.Status, "\n")
log.Print(util.ReaderToJSON(response.Body))
} else {
log.Print(color.Red("Error: "), response.Status, " from container at ", color.Cyan(url.Host), "\n")
log.Print(util.ReaderToJSON(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:]
}
}
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