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mssql_query.go
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mssql_query.go
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package mssqltest
import (
"bytes"
"database/sql"
"errors"
"fmt"
"os/exec"
"text/tabwriter"
"github.com/cyberark/secretless-broker/test/util/testutil"
)
type dbConfig struct {
Host string
Port int
Username string
Password string
Database string
}
type dbQueryExecutor func(cfg dbConfig, query string) (string, error)
func defaultSecretlessDbConfig() dbConfig {
return dbConfig{
Host: testutil.SecretlessHost,
Port: testutil.SecretlessPort,
Username: "dummy",
Password: "dummy",
}
}
// runs queries using sqlcmd
func sqlcmdExec(
cfg dbConfig,
query string,
) (string, error) {
args := []string{
"-S", fmt.Sprintf("%s,%d", cfg.Host, cfg.Port),
"-U", cfg.Username,
"-P", cfg.Password,
"-Q", query,
}
if db := cfg.Database; db != "" {
args = append(args, "-d", db)
}
out, err := exec.Command(
"sqlcmd",
args...,
).Output()
if err != nil {
if exitErrr, ok := err.(*exec.ExitError); ok {
return "", errors.New(string(exitErrr.Stderr))
}
return "", err
}
return string(out), nil
}
// runs queries using go-mssqldb
func gomssqlExec(
cfg dbConfig,
query string,
) (string, error) {
dsnString := fmt.Sprintf(
"user id=%s;password=%s;server=%s;port=%d;encrypt=%s",
cfg.Username,
cfg.Password,
cfg.Host,
cfg.Port,
"disable",
)
if db := cfg.Database; db != "" {
dsnString += fmt.Sprintf(";database=%s", db)
}
// Open the connection
conn, err := sql.Open(
"mssql",
dsnString,
)
if err != nil {
return "", err
}
defer conn.Close()
// Execute the query
rows, err := conn.Query(query)
if err != nil {
return "", err
}
defer rows.Close()
// Execute the query
cols, err := rows.Columns()
if err != nil {
return "", err
}
rawResult := make([][]byte, len(cols))
dest := make([]interface{}, len(cols)) // A temporary interface{} slice
for i := range rawResult {
dest[i] = &rawResult[i] // Put pointers to each string in the interface slice
}
w := new(tabwriter.Writer)
buf := &bytes.Buffer{}
w.Init(buf, 0, 0, 0, ' ', tabwriter.Debug|tabwriter.AlignRight)
for rows.Next() {
err = rows.Scan(dest...)
if err != nil {
return "", nil
}
rowString := ""
for _, raw := range rawResult {
if raw == nil {
rowString += "\\N"
} else {
rowString += string(raw)
}
rowString += "\t"
}
fmt.Fprintln(w, rowString)
}
w.Flush()
return string(buf.Bytes()), err
}