27.3.6.4 Column Object

The Column object represents the column metadata in a result set. Column has the methods listed here:

• getFractionalDigits(): Gets the fractional digits of the column value, if applicable. Returns an integer.

• getLength() Retrieves the length of the column, as an integer.

• getCharacterSetName(): Retrieves the name of the character set used by the column.

  See Chapter 12, Character Sets, Collations, Unicode, for more information about MySQL character sets and collations.

• getCollationName() Retrieves the name of the character set collation used by the column.

  See Chapter 12, Character Sets, Collations, Unicode, for more information about MySQL character sets and collations.

• getColumnLabel(): Returns a string value representing the column alias, or the column name if no alias is defined.

• getColumnName(): Returns a string value representing the column name.

• getSchemaName(): Gets the name of the schema in which the column is defined.

• String getTableLabel(): Retrieves the alias for the table in which the column occurs.

• getTableName(): Gets the name of the table in which the column occurs.

• getType(): Retrieves the column's type (a Type object).

• isNumberSigned(): Indicates whether a numeric column is signed (true if it is signed).

• isPadded(): If true, padding is used for the column value.

All of the methods just listed return strings unless otherwise indicated.