48 lines
1008 B
Go
48 lines
1008 B
Go
|
package api
|
||
|
|
||
|
import (
|
||
|
"encoding/json"
|
||
|
|
||
|
"gitea.voser.cloud/Golang/GoDown/handlers/sqldb"
|
||
|
)
|
||
|
|
||
|
func getJSON(sqlString string) ([]byte, error) {
|
||
|
DB = sqldb.Opendb()
|
||
|
defer DB.Close()
|
||
|
rows, err := DB.Query(sqlString)
|
||
|
check(err)
|
||
|
defer rows.Close()
|
||
|
columns, err := rows.Columns()
|
||
|
if err != nil {
|
||
|
return []byte("Error while generating json"), err
|
||
|
}
|
||
|
count := len(columns)
|
||
|
tableData := make([]map[string]interface{}, 0)
|
||
|
values := make([]interface{}, count)
|
||
|
valuePtrs := make([]interface{}, count)
|
||
|
for rows.Next() {
|
||
|
for i := 0; i < count; i++ {
|
||
|
valuePtrs[i] = &values[i]
|
||
|
}
|
||
|
rows.Scan(valuePtrs...)
|
||
|
entry := make(map[string]interface{})
|
||
|
for i, col := range columns {
|
||
|
var v interface{}
|
||
|
val := values[i]
|
||
|
b, ok := val.([]byte)
|
||
|
if ok {
|
||
|
v = string(b)
|
||
|
} else {
|
||
|
v = val
|
||
|
}
|
||
|
entry[col] = v
|
||
|
}
|
||
|
tableData = append(tableData, entry)
|
||
|
}
|
||
|
jsonData, err := json.Marshal(tableData)
|
||
|
if err != nil {
|
||
|
return []byte("Error while generating json"), err
|
||
|
}
|
||
|
return jsonData, nil
|
||
|
}
|