org.apache.ddlutils.platform.derby

Class DerbyBuilder

java.lang.Object

org.apache.ddlutils.platform.SqlBuilder

org.apache.ddlutils.platform.cloudscape.CloudscapeBuilder

org.apache.ddlutils.platform.derby.DerbyBuilder

Direct Known Subclasses:

GemFireXDBuilder

public class DerbyBuilder
extends CloudscapeBuilder

The SQL Builder for Derby.

Field Summary

Fields inherited from class org.apache.ddlutils.platform.SqlBuilder

_log, LINE_SEPARATOR, SIZE_PLACEHOLDER

Constructor Summary

Constructors

Constructor and Description
DerbyBuilder(Platform platform) Creates a new builder instance.

Method Summary

Methods

Modifier and Type	Method and Description
void	dropIndex(Table table, Index index) Generates the statement to drop a non-embedded index from the database.
protected String	getNativeDefaultValue(Column column) Returns the native default value for the column.
protected void	writeCastExpression(Column sourceColumn, Column targetColumn) Writes a cast expression that converts the value of the source column to the data type of the target column.
protected void	writeColumnAutoIncrementStmt(Table table, Column column) Prints that the column is an auto increment column.

Methods inherited from class org.apache.ddlutils.platform.cloudscape.CloudscapeBuilder

getSelectLastIdentityValues

Methods inherited from class org.apache.ddlutils.platform.SqlBuilder

addColumn, addEscapedCharSequence, areEqual, columnsDiffer, copyData, createForeignKey, createForeignKeys, createForeignKeys, createIndex, createIndexes, createPrimaryKey, createTable, createTable, createTables, createTables, createTables, createTemporaryTable, createUniqueIdentifier, dropForeignKey, dropForeignKeys, dropTable, dropTable, dropTables, dropTemporaryTable, escapeStringValue, getBareNativeType, getColumnName, getConstraintName, getDefaultValueHelper, getDeleteSql, getDelimitedIdentifier, getForeignKeyName, getIndent, getIndexName, getInsertSql, getMaxColumnNameLength, getMaxConstraintNameLength, getMaxForeignKeyNameLength, getMaxTableNameLength, getNativeType, getPlatform, getPlatformInfo, getSizeSpec, getSqlType, getSqlType, getTableName, getUpdateSql, getUpdateSql, getValueAsString, getValueDateFormat, getValueLocale, getValueNumberFormat, getValueTimeFormat, getWriter, isValidDefaultValue, print, printComment, printDefaultValue, printEndOfStatement, printIdentifier, printIndent, println, println, printlnIdentifier, printStartOfEmbeddedStatement, setIndent, setValueDateFormat, setValueLocale, setValueNumberFormat, setValueTimeFormat, setWriter, shortenName, shouldGeneratePrimaryKeys, writeAddIdentityColumnUsingAlterTable, writeColumn, writeColumnDefaultValue, writeColumnDefaultValueStmt, writeColumnNotNullableStmt, writeColumnNullableStmt, writeColumns, writeEmbeddedForeignKeysStmt, writeEmbeddedIndexCreateStmt, writeEmbeddedIndicesStmt, writeEmbeddedPrimaryKeysStmt, writeForeignKeyOnDeleteAction, writeForeignKeyOnUpdateAction, writeForeignReferences, writeLocalReferences, writePrimaryKeyStmt, writeTableAlterStmt, writeTableComment, writeTableCreationStmt, writeTableCreationStmtEnding

Methods inherited from class java.lang.Object

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

Constructor Detail

DerbyBuilder

public DerbyBuilder(Platform platform)

Creates a new builder instance.

Parameters:

platform - The plaftform this builder belongs to

Method Detail

getNativeDefaultValue

protected String getNativeDefaultValue(Column column)

Returns the native default value for the column.

Overrides:

getNativeDefaultValue in class SqlBuilder

Parameters:

column - The column

Returns:

The native default value

writeColumnAutoIncrementStmt

protected void writeColumnAutoIncrementStmt(Table table,
                                Column column)
                                     throws IOException

Prints that the column is an auto increment column.

Overrides:

writeColumnAutoIncrementStmt in class CloudscapeBuilder

Parameters:

table - The table

column - The column

Throws:

IOException

dropIndex

public void dropIndex(Table table,
             Index index)
               throws IOException

Generates the statement to drop a non-embedded index from the database.

Overrides:

dropIndex in class SqlBuilder

Parameters:

table - The table the index is on

index - The index to drop

Throws:

IOException

writeCastExpression

protected void writeCastExpression(Column sourceColumn,
                       Column targetColumn)
                            throws IOException

Writes a cast expression that converts the value of the source column to the data type of the target column. Per default, simply the name of the source column is written thereby assuming that any casts happen implicitly.

Overrides:

writeCastExpression in class SqlBuilder

Parameters:

sourceColumn - The source column

targetColumn - The target column

Throws:

IOException