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116 lines
2.6 KiB
Go
116 lines
2.6 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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"github.com/mkideal/cli"
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)
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// Result represents execute result
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type Result struct {
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LastInsertID int `json:"last_insert_id,omitempty"`
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RowsAffected int `json:"rows_affected,omitempty"`
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Time float64 `json:"time,omitempty"`
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Error string `json:"error,omitempty"`
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}
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type executeResponse struct {
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Results []*Result `json:"results,omitempty"`
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Error string `json:"error,omitempty"`
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Time float64 `json:"time,omitempty"`
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}
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func executeWithClient(ctx *cli.Context, client *http.Client, argv *argT, timer bool, stmt string) error {
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queryStr := url.Values{}
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if timer {
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queryStr.Set("timings", "")
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}
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u := url.URL{
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Scheme: argv.Protocol,
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Host: fmt.Sprintf("%s:%d", argv.Host, argv.Port),
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Path: fmt.Sprintf("%sdb/execute", argv.Prefix),
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}
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urlStr := u.String()
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requestData := strings.NewReader(makeJSONBody(stmt))
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nRedirect := 0
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for {
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req, err := http.NewRequest("POST", urlStr, requestData)
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if err != nil {
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return err
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}
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if argv.Credentials != "" {
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creds := strings.Split(argv.Credentials, ":")
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if len(creds) != 2 {
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return fmt.Errorf("invalid Basic Auth credentials format")
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}
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req.SetBasicAuth(creds[0], creds[1])
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}
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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response, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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resp.Body.Close()
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if resp.StatusCode == http.StatusUnauthorized {
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return fmt.Errorf("unauthorized")
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}
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if resp.StatusCode == http.StatusMovedPermanently {
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nRedirect++
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if nRedirect > maxRedirect {
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return fmt.Errorf("maximum leader redirect limit exceeded")
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}
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urlStr = resp.Header["Location"][0]
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continue
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}
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("server responded with: %s", resp.Status)
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}
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// Parse response and write results
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ret := &executeResponse{}
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if err := parseResponse(&response, &ret); err != nil {
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return err
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}
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if ret.Error != "" {
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return fmt.Errorf(ret.Error)
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}
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if len(ret.Results) != 1 {
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return fmt.Errorf("unexpected results length: %d", len(ret.Results))
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}
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result := ret.Results[0]
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if result.Error != "" {
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ctx.String("Error: %s\n", result.Error)
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return nil
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}
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rowString := "row"
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if result.RowsAffected > 1 {
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rowString = "rows"
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}
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if timer {
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ctx.String("%d %s affected (%f sec)\n", result.RowsAffected, rowString, result.Time)
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} else {
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ctx.String("%d %s affected\n", result.RowsAffected, rowString)
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}
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if timer {
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fmt.Printf("Run Time: %f seconds\n", result.Time)
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}
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return nil
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}
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}
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