java.lang.Object
- com.mysql.cj.xdevapi.ColumnImpl

所有已实现的接口:: Column

public class ColumnImpl
extends Object
implements Column

构造器概要

构造器
构造器说明

ColumnImpl(Field f)
Constructor.

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`String`	`getCharacterSetName()`	Get character set name for the column value.
`String`	`getCollationName()`	Get collation name for the column value.
`String`	`getColumnLabel()`	Get alias of this column.
`String`	`getColumnName()`	Get name of this column.
`int`	`getFractionalDigits()`	Get number of fractional digits in this column's value.
`long`	`getLength()`	Get this column's length.
`String`	`getSchemaName()`	Get name of `Schema`.
`String`	`getTableLabel()`	Get alias of `Table`.
`String`	`getTableName()`	Get name of `Table`.
`Type`	`getType()`	Get this column's `Type`.
`boolean`	`isAutoIncrement()`	Checks if this is an auto increment column.
`boolean`	`isNullable()`	Checks if column can contain null values.
`boolean`	`isNumberSigned()`	Checks if value represents a signed number.
`boolean`	`isPadded()`	Checks if the value has a padding.
`boolean`	`isPartKey()`	Checks if this column is a part of key.
`boolean`	`isPrimaryKey()`	Checks if this is a primary key column.
`boolean`	`isUniqueKey()`	Checks if this is a unique key column.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - ColumnImpl
```
public ColumnImpl(Field f)
```
    Constructor.
    
    参数:
    
    f - Field object
- 方法详细资料
  - getSchemaName
```
public String getSchemaName()
```
    从接口复制的说明: Column
    
    Get name of Schema.
    
    指定者:
    
    getSchemaName 在接口中 Column
    
    返回:
    
    schema name
  - getTableName
```
public String getTableName()
```
    从接口复制的说明: Column
    
    Get name of Table.
    
    指定者:
    
    getTableName 在接口中 Column
    
    返回:
    
    table name
  - getTableLabel
```
public String getTableLabel()
```
    从接口复制的说明: Column
    
    Get alias of Table.
    
    指定者:
    
    getTableLabel 在接口中 Column
    
    返回:
    
    table alias
  - getColumnName
```
public String getColumnName()
```
    从接口复制的说明: Column
    
    Get name of this column.
    
    指定者:
    
    getColumnName 在接口中 Column
    
    返回:
    
    column name
  - getColumnLabel
```
public String getColumnLabel()
```
    从接口复制的说明: Column
    
    Get alias of this column.
    
    指定者:
    
    getColumnLabel 在接口中 Column
    
    返回:
    
    column alias
  - getType
```
public Type getType()
```
    从接口复制的说明: Column
    
    Get this column's Type.
    
    指定者:
    
    getType 在接口中 Column
    
    返回:
    
    column type
  - getLength
```
public long getLength()
```
    从接口复制的说明: Column
    
    Get this column's length.
    
    指定者:
    
    getLength 在接口中 Column
    
    返回:
    
    column length
  - getFractionalDigits
```
public int getFractionalDigits()
```
    从接口复制的说明: Column
    
    Get number of fractional digits in this column's value.
    
    指定者:
    
    getFractionalDigits 在接口中 Column
    
    返回:
    
    number of fractional digits
  - isNumberSigned
```
public boolean isNumberSigned()
```
    从接口复制的说明: Column
    
    Checks if value represents a signed number.
    
    指定者:
    
    isNumberSigned 在接口中 Column
    
    返回:
    
    true if value represents a signed number
  - getCollationName
```
public String getCollationName()
```
    从接口复制的说明: Column
    
    Get collation name for the column value.
    
    指定者:
    
    getCollationName 在接口中 Column
    
    返回:
    
    collation name
  - getCharacterSetName
```
public String getCharacterSetName()
```
    从接口复制的说明: Column
    
    Get character set name for the column value.
    
    指定者:
    
    getCharacterSetName 在接口中 Column
    
    返回:
    
    character set name
  - isPadded
```
public boolean isPadded()
```
    从接口复制的说明: Column
    
    Checks if the value has a padding.
    
    指定者:
    
    isPadded 在接口中 Column
    
    返回:
    
    true if column flags contain FIELD_FLAG_ZEROFILL or field type is CHAR
  - isNullable
```
public boolean isNullable()
```
    从接口复制的说明: Column
    
    Checks if column can contain null values.
    
    指定者:
    
    isNullable 在接口中 Column
    
    返回:
    
    false if column flags contain FIELD_FLAG_NOT_NULL
  - isAutoIncrement
```
public boolean isAutoIncrement()
```
    从接口复制的说明: Column
    
    Checks if this is an auto increment column.
    
    指定者:
    
    isAutoIncrement 在接口中 Column
    
    返回:
    
    true if column flags contain FIELD_FLAG_AUTO_INCREMENT
  - isPrimaryKey
```
public boolean isPrimaryKey()
```
    从接口复制的说明: Column
    
    Checks if this is a primary key column.
    
    指定者:
    
    isPrimaryKey 在接口中 Column
    
    返回:
    
    true if column flags contain FIELD_FLAG_PRIMARY_KEY
  - isUniqueKey
```
public boolean isUniqueKey()
```
    从接口复制的说明: Column
    
    Checks if this is a unique key column.
    
    指定者:
    
    isUniqueKey 在接口中 Column
    
    返回:
    
    true if column flags contain FIELD_FLAG_UNIQUE_KEY
  - isPartKey
```
public boolean isPartKey()
```
    从接口复制的说明: Column
    
    Checks if this column is a part of key.
    
    指定者:
    
    isPartKey 在接口中 Column
    
    返回:
    
    true if column flags contain FIELD_FLAG_MULTIPLE_KEY

类 ColumnImpl

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

ColumnImpl

方法详细资料

getSchemaName

getTableName

getTableLabel

getColumnName

getColumnLabel

getType

getLength

getFractionalDigits

isNumberSigned

getCollationName

getCharacterSetName

isPadded

isNullable

isAutoIncrement

isPrimaryKey

isUniqueKey

isPartKey