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update.go
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update.go
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package sorm
import (
"fmt"
"reflect"
"strings"
)
func (db *Database) Update(model interface{}, conditions string, args ...interface{}) error {
t := reflect.TypeOf(model)
v := reflect.ValueOf(model)
tableName := t.Name()
fields := []string{}
values := []interface{}{}
logNotice(fmt.Sprintf("Updating in table %v", tableName))
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
value := v.Field(i).Interface()
switch field.Type.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
if value != 0 {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if value != 0 {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
case reflect.Float32, reflect.Float64:
if value != 0.0 {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
case reflect.Bool:
if value != 0 {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
case reflect.String:
if value != "" {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
default:
if value != "" {
fields = append(fields, fmt.Sprintf("%s = ?", field.Name))
values = append(values, value)
}
}
}
query := fmt.Sprintf("UPDATE %s SET %s", tableName, strings.Join(fields, ", "))
if conditions != "" {
query = fmt.Sprintf("%s WHERE %s", query, conditions)
}
// Append condition arguments to the values slice
values = append(values, args...)
result, err := db.Connection.Exec(query, values...)
if err != nil {
logError(fmt.Sprintf("db.Connection.Exec: %v", err))
return err
}
rowsAffected, err := result.RowsAffected()
if err != nil {
logError(fmt.Sprintf("result.RowsAffected: %v", err))
return err
}
if rowsAffected > 0 {
logSuccess(fmt.Sprintf("Update successful. Rows affected: %v", rowsAffected))
return nil
} else {
logInfo("No rows were affected")
return nil
}
return nil
}