java.lang.Object

com.mysql.cj.result.Field

All Implemented Interfaces:: ProtocolEntity

public class Field
extends java.lang.Object
implements ProtocolEntity

Field is a class used to describe fields in a ResultSet

Constructor Summary

Constructors
Constructor	Description
`Field(LazyString databaseName, LazyString tableName, LazyString originalTableName, LazyString columnName, LazyString originalColumnName, long length, int mysqlTypeId, short colFlag, int colDecimals, int collationIndex, java.lang.String encoding, MysqlType mysqlType)`
`Field(java.lang.String tableName, java.lang.String columnName, int collationIndex, java.lang.String encoding, MysqlType mysqlType, int length)`	Used by prepared statements to re-use result set data conversion methods when generating bound parameter retrieval instance for statement interceptors.

Method Summary

Modifier and Type	Method	Description
`int`	`getCollationIndex()`
`java.lang.String`	`getColumnLabel()`
`java.lang.String`	`getDatabaseName()`
`int`	`getDecimals()`
`java.lang.String`	`getEncoding()`	Returns the Java encoding for this field.
`short`	`getFlags()`
`java.lang.String`	`getFullName()`
`int`	`getJavaType()`
`long`	`getLength()`
`MysqlType`	`getMysqlType()`
`int`	`getMysqlTypeId()`
`java.lang.String`	`getName()`
`java.lang.String`	`getOriginalName()`
`java.lang.String`	`getOriginalTableName()`
`java.lang.String`	`getTableName()`
`boolean`	`getValueNeedsQuoting()`
`boolean`	`isAutoIncrement()`
`boolean`	`isBinary()`
`boolean`	`isBlob()`
`boolean`	`isFromFunction()`
`boolean`	`isMultipleKey()`
`boolean`	`isNotNull()`
`boolean`	`isPrimaryKey()`
`boolean`	`isReadOnly()`	Is this field _definitely_ not writable?
`boolean`	`isSingleBit()`
`boolean`	`isUniqueKey()`
`boolean`	`isUnsigned()`
`boolean`	`isZeroFill()`
`void`	`setBinary()`
`void`	`setBlob()`
`void`	`setEncoding(java.lang.String javaEncodingName, ServerVersion version)`
`void`	`setFlags(short colFlag)`
`void`	`setMysqlType(MysqlType mysqlType)`
`void`	`setMysqlTypeId(int id)`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- Field
  
  public Field(LazyString databaseName, LazyString tableName, LazyString originalTableName, LazyString columnName, LazyString originalColumnName, long length, int mysqlTypeId, short colFlag, int colDecimals, int collationIndex, java.lang.String encoding, MysqlType mysqlType)
- Field
  
  public Field(java.lang.String tableName, java.lang.String columnName, int collationIndex, java.lang.String encoding, MysqlType mysqlType, int length)
  
  Used by prepared statements to re-use result set data conversion methods when generating bound parameter retrieval instance for statement interceptors.
  
  Parameters:
  
  tableName - not used
  
  columnName - not used
  
  collationIndex - the MySQL collation/character set index
  
  encoding - encoding of data in this field
  
  mysqlType - MysqlType
  
  length - length in characters or bytes (for BINARY data).
Method Details
- getEncoding
  
  public java.lang.String getEncoding()
  
  Returns the Java encoding for this field.
  
  Returns:
  
  the Java encoding
- setEncoding
  
  public void setEncoding(java.lang.String javaEncodingName, ServerVersion version)
- getColumnLabel
  
  public java.lang.String getColumnLabel()
- getDatabaseName
  
  public java.lang.String getDatabaseName()
- getDecimals
  
  public int getDecimals()
- getFullName
  
  public java.lang.String getFullName()
- getLength
  
  public long getLength()
- getMysqlTypeId
  
  public int getMysqlTypeId()
- setMysqlTypeId
  
  public void setMysqlTypeId(int id)
- getName
  
  public java.lang.String getName()
- getOriginalName
  
  public java.lang.String getOriginalName()
- getOriginalTableName
  
  public java.lang.String getOriginalTableName()
- getJavaType
  
  public int getJavaType()
- getTableName
  
  public java.lang.String getTableName()
- isAutoIncrement
  
  public boolean isAutoIncrement()
- isBinary
  
  public boolean isBinary()
- setBinary
  
  public void setBinary()
- isBlob
  
  public boolean isBlob()
- setBlob
  
  public void setBlob()
- isMultipleKey
  
  public boolean isMultipleKey()
- isNotNull
  
  public boolean isNotNull()
- isPrimaryKey
  
  public boolean isPrimaryKey()
- isFromFunction
  
  public boolean isFromFunction()
- isReadOnly
  
  public boolean isReadOnly()
  
  Is this field _definitely_ not writable?
  
  Returns:
  
  true if this field can not be written to in an INSERT/UPDATE statement.
- isUniqueKey
  
  public boolean isUniqueKey()
- isUnsigned
  
  public boolean isUnsigned()
- isZeroFill
  
  public boolean isZeroFill()
- toString
  
  public java.lang.String toString()
  
  Overrides:
  
  toString in class java.lang.Object
- isSingleBit
  
  public boolean isSingleBit()
- getValueNeedsQuoting
  
  public boolean getValueNeedsQuoting()
- getCollationIndex
  
  public int getCollationIndex()
- getMysqlType
  
  public MysqlType getMysqlType()
- setMysqlType
  
  public void setMysqlType(MysqlType mysqlType)
- getFlags
  
  public short getFlags()
- setFlags
  
  public void setFlags(short colFlag)

Class Field

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Details

Method Details