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Code Issues Releases Activity

golint orm

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This commit is contained in:
astaxie
2015-09-12 21:46:43 +08:00
parent 542e143e55
commit 68ec133aa8
25 changed files with 574 additions and 501 deletions
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168
orm/db.go
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@ -24,12 +24,13 @@ import (
)
const (
format_Date = "2006-01-02"
format_DateTime = "2006-01-02 15:04:05"
formatDate = "2006-01-02"
formatDateTime = "2006-01-02 15:04:05"
)
var (
ErrMissPK = errors.New("missed pk value") // missing pk error
// ErrMissPK missing pk error
ErrMissPK = errors.New("missed pk value")
)
var (
@ -216,14 +217,14 @@ func (d *dbBase) collectFieldValue(mi *modelInfo, fi *fieldInfo, ind reflect.Val
}
}
if fi.null == false && value == nil {
return nil, errors.New(fmt.Sprintf("field `%s` cannot be NULL", fi.fullName))
return nil, fmt.Errorf("field `%s` cannot be NULL", fi.fullName)
}
}
}
}
switch fi.fieldType {
case TypeDateField, TypeDateTimeField:
if fi.auto_now || fi.auto_now_add && insert {
if fi.autoNow || fi.autoNowAdd && insert {
if insert {
if t, ok := value.(time.Time); ok && !t.IsZero() {
break
@ -282,13 +283,12 @@ func (d *dbBase) InsertStmt(stmt stmtQuerier, mi *modelInfo, ind reflect.Value,
var id int64
err := row.Scan(&id)
return id, err
} else {
if res, err := stmt.Exec(values...); err == nil {
return res.LastInsertId()
} else {
return 0, err
}
}
res, err := stmt.Exec(values...)
if err == nil {
return res.LastInsertId()
}
return 0, err
}
// query sql ,read records and persist in dbBaser.
@ -339,15 +339,11 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
return ErrNoRows
}
return err
} else {
elm := reflect.New(mi.addrField.Elem().Type())
mind := reflect.Indirect(elm)
d.setColsValues(mi, &mind, mi.fields.dbcols, refs, tz)
ind.Set(mind)
}
elm := reflect.New(mi.addrField.Elem().Type())
mind := reflect.Indirect(elm)
d.setColsValues(mi, &mind, mi.fields.dbcols, refs, tz)
ind.Set(mind)
return nil
}
@ -444,20 +440,19 @@ func (d *dbBase) InsertValue(q dbQuerier, mi *modelInfo, isMulti bool, names []s
d.ins.ReplaceMarks(&query)
if isMulti || !d.ins.HasReturningID(mi, &query) {
if res, err := q.Exec(query, values...); err == nil {
res, err := q.Exec(query, values...)
if err == nil {
if isMulti {
return res.RowsAffected()
}
return res.LastInsertId()
} else {
return 0, err
}
} else {
row := q.QueryRow(query, values...)
var id int64
err := row.Scan(&id)
return id, err
return 0, err
}
row := q.QueryRow(query, values...)
var id int64
err := row.Scan(&id)
return id, err
}
// execute update sql dbQuerier with given struct reflect.Value.
@ -495,9 +490,8 @@ func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
if res, err := q.Exec(query, setValues...); err == nil {
return res.RowsAffected()
} else {
return 0, err
}
return 0, err
}
// execute delete sql dbQuerier with given struct reflect.Value.
@ -513,14 +507,12 @@ func (d *dbBase) Delete(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
query := fmt.Sprintf("DELETE FROM %s%s%s WHERE %s%s%s = ?", Q, mi.table, Q, Q, pkName, Q)
d.ins.ReplaceMarks(&query)
if res, err := q.Exec(query, pkValue); err == nil {
res, err := q.Exec(query, pkValue)
if err == nil {
num, err := res.RowsAffected()
if err != nil {
return 0, err
}
if num > 0 {
if mi.fields.pk.auto {
if mi.fields.pk.fieldType&IsPostiveIntegerField > 0 {
@ -529,17 +521,14 @@ func (d *dbBase) Delete(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
ind.Field(mi.fields.pk.fieldIndex).SetInt(0)
}
}
err := d.deleteRels(q, mi, []interface{}{pkValue}, tz)
if err != nil {
return num, err
}
}
return num, err
} else {
return 0, err
}
return 0, err
}
// update table-related record by querySet.
@ -565,11 +554,11 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
tables.parseRelated(qs.related, qs.relDepth)
}
where, args := tables.getCondSql(cond, false, tz)
where, args := tables.getCondSQL(cond, false, tz)
values = append(values, args...)
join := tables.getJoinSql()
join := tables.getJoinSQL()
var query, T string
@ -585,13 +574,13 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
col := fmt.Sprintf("%s%s%s%s", T, Q, v, Q)
if c, ok := values[i].(colValue); ok {
switch c.opt {
case Col_Add:
case ColAdd:
cols = append(cols, col+" = "+col+" + ?")
case Col_Minus:
case ColMinus:
cols = append(cols, col+" = "+col+" - ?")
case Col_Multiply:
case ColMultiply:
cols = append(cols, col+" = "+col+" * ?")
case Col_Except:
case ColExcept:
cols = append(cols, col+" = "+col+" / ?")
}
values[i] = c.value
@ -610,12 +599,11 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
}
d.ins.ReplaceMarks(&query)
if res, err := q.Exec(query, values...); err == nil {
res, err := q.Exec(query, values...)
if err == nil {
return res.RowsAffected()
} else {
return 0, err
}
return 0, err
}
// delete related records.
@ -624,23 +612,23 @@ func (d *dbBase) deleteRels(q dbQuerier, mi *modelInfo, args []interface{}, tz *
for _, fi := range mi.fields.fieldsReverse {
fi = fi.reverseFieldInfo
switch fi.onDelete {
case od_CASCADE:
case odCascade:
cond := NewCondition().And(fmt.Sprintf("%s__in", fi.name), args...)
_, err := d.DeleteBatch(q, nil, fi.mi, cond, tz)
if err != nil {
return err
}
case od_SET_DEFAULT, od_SET_NULL:
case odSetDefault, odSetNULL:
cond := NewCondition().And(fmt.Sprintf("%s__in", fi.name), args...)
params := Params{fi.column: nil}
if fi.onDelete == od_SET_DEFAULT {
if fi.onDelete == odSetDefault {
params[fi.column] = fi.initial.String()
}
_, err := d.UpdateBatch(q, nil, fi.mi, cond, params, tz)
if err != nil {
return err
}
case od_DO_NOTHING:
case odDoNothing:
}
}
return nil
@ -661,8 +649,8 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
Q := d.ins.TableQuote()
where, args := tables.getCondSql(cond, false, tz)
join := tables.getJoinSql()
where, args := tables.getCondSQL(cond, false, tz)
join := tables.getJoinSQL()
cols := fmt.Sprintf("T0.%s%s%s", Q, mi.fields.pk.column, Q)
query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s", cols, Q, mi.table, Q, join, where)
@ -670,16 +658,14 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
d.ins.ReplaceMarks(&query)
var rs *sql.Rows
if r, err := q.Query(query, args...); err != nil {
r, err := q.Query(query, args...)
if err != nil {
return 0, err
} else {
rs = r
}
rs = r
defer rs.Close()
var ref interface{}
args = make([]interface{}, 0)
cnt := 0
for rs.Next() {
@ -702,24 +688,21 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
query = fmt.Sprintf("DELETE FROM %s%s%s WHERE %s%s%s %s", Q, mi.table, Q, Q, mi.fields.pk.column, Q, sql)
d.ins.ReplaceMarks(&query)
if res, err := q.Exec(query, args...); err == nil {
res, err := q.Exec(query, args...)
if err == nil {
num, err := res.RowsAffected()
if err != nil {
return 0, err
}
if num > 0 {
err := d.deleteRels(q, mi, args, tz)
if err != nil {
return num, err
}
}
return num, nil
} else {
return 0, err
}
return 0, err
}
// read related records.
@ -801,11 +784,11 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
tables := newDbTables(mi, d.ins)
tables.parseRelated(qs.related, qs.relDepth)
where, args := tables.getCondSql(cond, false, tz)
groupBy := tables.getGroupSql(qs.groups)
orderBy := tables.getOrderSql(qs.orders)
limit := tables.getLimitSql(mi, offset, rlimit)
join := tables.getJoinSql()
where, args := tables.getCondSQL(cond, false, tz)
groupBy := tables.getGroupSQL(qs.groups)
orderBy := tables.getOrderSQL(qs.orders)
limit := tables.getLimitSQL(mi, offset, rlimit)
join := tables.getJoinSQL()
for _, tbl := range tables.tables {
if tbl.sel {
@ -824,11 +807,11 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
d.ins.ReplaceMarks(&query)
var rs *sql.Rows
if r, err := q.Query(query, args...); err != nil {
r, err := q.Query(query, args...)
if err != nil {
return 0, err
} else {
rs = r
}
rs = r
refs := make([]interface{}, colsNum)
for i := range refs {
@ -942,9 +925,9 @@ func (d *dbBase) Count(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condition
tables := newDbTables(mi, d.ins)
tables.parseRelated(qs.related, qs.relDepth)
where, args := tables.getCondSql(cond, false, tz)
tables.getOrderSql(qs.orders)
join := tables.getJoinSql()
where, args := tables.getCondSQL(cond, false, tz)
tables.getOrderSQL(qs.orders)
join := tables.getJoinSQL()
Q := d.ins.TableQuote()
@ -959,7 +942,7 @@ func (d *dbBase) Count(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condition
}
// generate sql with replacing operator string placeholders and replaced values.
func (d *dbBase) GenerateOperatorSql(mi *modelInfo, fi *fieldInfo, operator string, args []interface{}, tz *time.Location) (string, []interface{}) {
func (d *dbBase) GenerateOperatorSQL(mi *modelInfo, fi *fieldInfo, operator string, args []interface{}, tz *time.Location) (string, []interface{}) {
sql := ""
params := getFlatParams(fi, args, tz)
@ -984,7 +967,7 @@ func (d *dbBase) GenerateOperatorSql(mi *modelInfo, fi *fieldInfo, operator stri
if len(params) > 1 {
panic(fmt.Errorf("operator `%s` need 1 args not %d", operator, len(params)))
}
sql = d.ins.OperatorSql(operator)
sql = d.ins.OperatorSQL(operator)
switch operator {
case "exact":
if arg == nil {
@ -1112,12 +1095,12 @@ setValue:
)
if len(s) >= 19 {
s = s[:19]
t, err = time.ParseInLocation(format_DateTime, s, tz)
t, err = time.ParseInLocation(formatDateTime, s, tz)
} else {
if len(s) > 10 {
s = s[:10]
}
t, err = time.ParseInLocation(format_Date, s, tz)
t, err = time.ParseInLocation(formatDate, s, tz)
}
t = t.In(DefaultTimeLoc)
@ -1448,25 +1431,22 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
}
}
where, args := tables.getCondSql(cond, false, tz)
groupBy := tables.getGroupSql(qs.groups)
orderBy := tables.getOrderSql(qs.orders)
limit := tables.getLimitSql(mi, qs.offset, qs.limit)
join := tables.getJoinSql()
where, args := tables.getCondSQL(cond, false, tz)
groupBy := tables.getGroupSQL(qs.groups)
orderBy := tables.getOrderSQL(qs.orders)
limit := tables.getLimitSQL(mi, qs.offset, qs.limit)
join := tables.getJoinSQL()
sels := strings.Join(cols, ", ")
query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s%s%s%s", sels, Q, mi.table, Q, join, where, groupBy,orderBy, limit)
query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s%s%s%s", sels, Q, mi.table, Q, join, where, groupBy, orderBy, limit)
d.ins.ReplaceMarks(&query)
var rs *sql.Rows
if r, err := q.Query(query, args...); err != nil {
rs, err := q.Query(query, args...)
if err != nil {
return 0, err
} else {
rs = r
}
refs := make([]interface{}, len(cols))
for i := range refs {
var ref interface{}
@ -1481,11 +1461,11 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
)
for rs.Next() {
if cnt == 0 {
if cols, err := rs.Columns(); err != nil {
cols, err := rs.Columns()
if err != nil {
return 0, err
} else {
columns = cols
}
columns = cols
}
if err := rs.Scan(refs...); err != nil {
@ -1649,7 +1629,7 @@ func (d *dbBase) GetColumns(db dbQuerier, table string) (map[string][3]string, e
}
// not implement.
func (d *dbBase) OperatorSql(operator string) string {
func (d *dbBase) OperatorSQL(operator string) string {
panic(ErrNotImplement)
}