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Code Issues Releases Activity

orm add atomic set value

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This commit is contained in:
slene
2013-10-09 20:28:54 +08:00
parent 278f8eb13e
commit bf3830b6f0
4 changed files with 86 additions and 5 deletions
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31
orm/db.go
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@ -382,17 +382,38 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
join := tables.getJoinSql()
var query string
var query, T, cols string
Q := d.ins.TableQuote()
if d.ins.SupportUpdateJoin() {
cols := strings.Join(columns, fmt.Sprintf("%s = ?, T0.%s", Q, Q))
query = fmt.Sprintf("UPDATE %s%s%s T0 %sSET T0.%s%s%s = ? %s", Q, mi.table, Q, join, Q, cols, Q, where)
T = "T0."
}
for i, v := range columns {
col := fmt.Sprintf("%s%s%s%s", T, Q, v, Q)
if c, ok := values[i].(colValue); ok {
switch c.opt {
case Col_Add:
cols += col + " = " + col + " + ? "
case Col_Minus:
cols += col + " = " + col + " - ? "
case Col_Multiply:
cols += col + " = " + col + " * ? "
case Col_Except:
cols += col + " = " + col + " / ? "
}
values[i] = c.value
} else {
cols += col + " = ? "
}
}
if d.ins.SupportUpdateJoin() {
query = fmt.Sprintf("UPDATE %s%s%s T0 %sSET %s%s", Q, mi.table, Q, join, cols, where)
} else {
cols := strings.Join(columns, fmt.Sprintf("%s = ?, %s", Q, Q))
supQuery := fmt.Sprintf("SELECT T0.%s%s%s FROM %s%s%s T0 %s%s", Q, mi.fields.pk.column, Q, Q, mi.table, Q, join, where)
query = fmt.Sprintf("UPDATE %s%s%s SET %s%s%s = ? WHERE %s%s%s IN ( %s )", Q, mi.table, Q, Q, cols, Q, Q, mi.fields.pk.column, Q, supQuery)
query = fmt.Sprintf("UPDATE %s%s%s SET %sWHERE %s%s%s IN ( %s )", Q, mi.table, Q, cols, Q, mi.fields.pk.column, Q, supQuery)
}
d.ins.ReplaceMarks(&query)