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| java.lang.Object
 com.triactive.jdo.store.Column
| Column | | public class Column (Code) | | A column in a database table.
Column objects are used primarily for generating the DDL for a CREATE TABLE
statement or for validating against an existing column in the database.
All columns are deemed to be serving as backing for a particular Java type.
The Java type and other column attributes are used, usually by a
ColumnMapping, to help determine a suitable corresponding SQL type.
The
Column.setTypeInfo method must be called at some point to establish the
column's SQL type.
author:
Mike Martin
version:
$Revision: 1.6 $ |
| EXACT_PRECISION | | final protected static int EXACT_PRECISION(Code) | | |
| FIXED_LENGTH | | final public static int FIXED_LENGTH(Code) | | |
| LENGTH_NOT_SET | | final public static int LENGTH_NOT_SET(Code) | | |
| LENGTH_TYPE_MASK | | final protected static int LENGTH_TYPE_MASK(Code) | | |
| MAXIMUM_LENGTH | | final public static int MAXIMUM_LENGTH(Code) | | |
| NULLABLE | | final protected static int NULLABLE(Code) | | |
| PRIMARY_KEY_PART | | final protected static int PRIMARY_KEY_PART(Code) | | |
| UNIQUE | | final protected static int UNIQUE(Code) | | |
| UNLIMITED_LENGTH | | final public static int UNLIMITED_LENGTH(Code) | | |
| flags | | protected int flags(Code) | | |
| precision | | protected int precision(Code) | | |
| scale | | protected int scale(Code) | | |
| getLengthType | | public int getLengthType()(Code) | | |
| getPrecision | | final public int getPrecision()(Code) | | |
| getSQLDefinition | | public String getSQLDefinition()(Code) | | Returns a SQL DDL string defining this column as would be included in a
CREATE TABLE statement.
The SQL DDL defining this column. |
| getScale | | final public int getScale()(Code) | | |
| hashCode | | public int hashCode()(Code) | | |
| isExactPrecision | | final public boolean isExactPrecision()(Code) | | |
| isNullable | | final public boolean isNullable()(Code) | | |
| isPrimaryKeyPart | | final public boolean isPrimaryKeyPart()(Code) | | |
| isUnique | | final public boolean isUnique()(Code) | | |
| setExactPrecision | | final public Column setExactPrecision(int precision)(Code) | | |
| setFixedLength | | final public Column setFixedLength(int length)(Code) | | |
| setMaximumLength | | final public Column setMaximumLength(int length)(Code) | | |
| setMinimumPrecision | | final public Column setMinimumPrecision(int precision)(Code) | | |
| setPrimaryKeyPart | | final public Column setPrimaryKeyPart()(Code) | | |
| setUnlimitedLength | | final public Column setUnlimitedLength()(Code) | | |
| validate | | public void validate(ColumnInfo ci)(Code) | | Asserts that an existing database column matches, or is effectively
compatible with, the column described by this Column object.
Parameters:
ci - Metadata on the existing column obtained from JDBC.
exception:
SchemaValidationException - If the existing column is not compatible with this Column object. |
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