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Code Issues Releases Activity

Add attribute DEFAULT '' to the CREAT, ALTER constructors

This commit is contained in:
supar 2014-10-17 12:53:59 +04:00
parent e4988b714e
commit 4cae7af3f9
1 changed files with 47 additions and 1 deletions
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48
orm/cmd_utils.go
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@ -104,7 +104,11 @@ func getColumnAddQuery(al *alias, fi *fieldInfo) string {
typ += " " + "NOT NULL"
}
return fmt.Sprintf("ALTER TABLE %s%s%s ADD COLUMN %s%s%s %s", Q, fi.mi.table, Q, Q, fi.column, Q, typ)
return fmt.Sprintf("ALTER TABLE %s%s%s ADD COLUMN %s%s%s %s %s",
Q, fi.mi.table, Q,
Q, fi.column, Q,
typ, getColumnDefault(fi),
)
}
// create database creation string.
@ -155,6 +159,9 @@ func getDbCreateSql(al *alias) (sqls []string, tableIndexes map[string][]dbIndex
//if fi.initial.String() != "" {
// column += " DEFAULT " + fi.initial.String()
//}
// Append attribute DEFAULT
column += getColumnDefault(fi)
if fi.unique {
column += " " + "UNIQUE"
@ -239,3 +246,42 @@ func getDbCreateSql(al *alias) (sqls []string, tableIndexes map[string][]dbIndex
return
}
// Get string value for the attribute "DEFAULT" for the CREATE, ALTER commands
func getColumnDefault(fi *fieldInfo) string {
var (
v, t, d string
)
t = " DEFAULT '%s' "
// These defaults will be useful if there no config value orm:"default" and NOT NULL is on
switch fieldType {
case TypeDateField:
d = "0000-00-00"
case TypeDateTimeField:
d = "0000-00-00 00:00:00"
case TypeBooleanField, TypeBitField, TypeSmallIntegerField, TypeIntegerField,
TypeBigIntegerField, TypePositiveBitField, TypePositiveSmallIntegerField,
TypePositiveIntegerField, TypePositiveBigIntegerField, TypeFloatField:
TypeDecimalField:
d = "0"
}
if fi.colDefault {
if !fi.initial.Exist() {
v = fmt.Strintf(t, "")
} else {
v = fmt.Strintf(t, fi.initial.String())
}
} else {
if !fi.null {
v = fmt.Strintf(t, d)
}
}
return v
}