本文整理汇总了Golang中github.com/xormplus/core.Column.Length2方法的典型用法代码示例。如果您正苦于以下问题：Golang Column.Length2方法的具体用法？Golang Column.Length2怎么用？Golang Column.Length2使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/xormplus/core.Column的用法示例。
在下文中一共展示了Column.Length2方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: GetColumns
func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
args := []interface{}{db.DbName, tableName}
s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
" `COLUMN_KEY`, `EXTRA` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
cols := make(map[string]*core.Column)
colSeq := make([]string, 0)
for rows.Next() {
col := new(core.Column)
col.Indexes = make(map[string]int)
var columnName, isNullable, colType, colKey, extra string
var colDefault *string
err = rows.Scan(&columnName, &isNullable, &colDefault, &colType, &colKey, &extra)
if err != nil {
return nil, nil, err
}
col.Name = strings.Trim(columnName, "` ")
if "YES" == isNullable {
col.Nullable = true
}
if colDefault != nil {
col.Default = *colDefault
if col.Default == "" {
col.DefaultIsEmpty = true
}
}
cts := strings.Split(colType, "(")
colName := cts[0]
colType = strings.ToUpper(colName)
var len1, len2 int
if len(cts) == 2 {
idx := strings.Index(cts[1], ")")
if colType == core.Enum && cts[1][0] == '\'' { //enum
options := strings.Split(cts[1][0:idx], ",")
col.EnumOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.EnumOptions[v] = k
}
} else if colType == core.Set && cts[1][0] == '\'' {
options := strings.Split(cts[1][0:idx], ",")
col.SetOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.SetOptions[v] = k
}
} else {
lens := strings.Split(cts[1][0:idx], ",")
len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
if err != nil {
return nil, nil, err
}
if len(lens) == 2 {
len2, err = strconv.Atoi(lens[1])
if err != nil {
return nil, nil, err
}
}
}
}
if colType == "FLOAT UNSIGNED" {
colType = "FLOAT"
}
col.Length = len1
col.Length2 = len2
if _, ok := core.SqlTypes[colType]; ok {
col.SQLType = core.SQLType{colType, len1, len2}
} else {
return nil, nil, errors.New(fmt.Sprintf("unkonw colType %v", colType))
}
if colKey == "PRI" {
col.IsPrimaryKey = true
}
if colKey == "UNI" {
//col.is
}
if extra == "auto_increment" {
col.IsAutoIncrement = true
}
if col.SQLType.IsText() || col.SQLType.IsTime() {
if col.Default != "" {
col.Default = "'" + col.Default + "'"
} else {
if col.DefaultIsEmpty {
col.Default = "''"
//.........这里部分代码省略.........
示例2: mapType
//.........这里部分代码省略.........
col.Name = key[1 : len(key)-1]
}
} else if strings.Contains(k, "(") && strings.HasSuffix(k, ")") {
fs := strings.Split(k, "(")
if _, ok := core.SqlTypes[fs[0]]; !ok {
preKey = k
continue
}
col.SQLType = core.SQLType{Name: fs[0]}
if fs[0] == core.Enum && fs[1][0] == '\'' { //enum
options := strings.Split(fs[1][0:len(fs[1])-1], ",")
col.EnumOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.EnumOptions[v] = k
}
} else if fs[0] == core.Set && fs[1][0] == '\'' { //set
options := strings.Split(fs[1][0:len(fs[1])-1], ",")
col.SetOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.SetOptions[v] = k
}
} else {
fs2 := strings.Split(fs[1][0:len(fs[1])-1], ",")
if len(fs2) == 2 {
col.Length, err = strconv.Atoi(fs2[0])
if err != nil {
engine.logger.Error(err)
}
col.Length2, err = strconv.Atoi(fs2[1])
if err != nil {
engine.logger.Error(err)
}
} else if len(fs2) == 1 {
col.Length, err = strconv.Atoi(fs2[0])
if err != nil {
engine.logger.Error(err)
}
}
}
} else {
if _, ok := core.SqlTypes[k]; ok {
col.SQLType = core.SQLType{Name: k}
} else if key != col.Default {
col.Name = key
}
}
engine.dialect.SqlType(col)
}
preKey = k
}
if col.SQLType.Name == "" {
col.SQLType = core.Type2SQLType(fieldType)
}
if col.Length == 0 {
col.Length = col.SQLType.DefaultLength
}
if col.Length2 == 0 {
col.Length2 = col.SQLType.DefaultLength2
}
if col.Name == "" {