org.ofbiz.core.entity.jdbc.dbtype

Interface DatabaseType

All Known Implementing Classes:

AbstractDatabaseType, AbstractPostgresDatabaseType, DB2DatabaseType, H2DatabaseType, HsqlDatabaseType, MsSqlDatabaseType, MySqlDatabaseType, Oracle10GDatabaseType, Postgres73DatabaseType, PostgresDatabaseType, SapDB76DatabaseType, SapDBDatabaseType, SimpleDatabaseType

public interface DatabaseType

Interface representing the different types of databases. If you implement this interface, you should register your implementation with DatabaseTypeFactory.

See Also:

DatabaseTypeFactory, DatabaseTypeFactory.registerDatabaseType(DatabaseType)

Method Summary

Methods

Modifier and Type	Method and Description
String	getChangeColumnTypeSQL(String tableName, String columnName, String targetSqlType) Builds a DB-specific SQL statement to update a column's type.
int	getConstraintNameClipLength()
String	getDropIndexSQL(String schemaName, String tableName, String indexName) Builds a DB-specific SQL statement for dropping index.
String	getFieldTypeName()
String	getName()
String	getSchemaName(Connection con) Returns the name of the connected schema.
boolean	matchesConnection(Connection con)

Method Detail

getName

String getName()

getFieldTypeName

String getFieldTypeName()

getSchemaName

String getSchemaName(Connection con)

Returns the name of the connected schema.

Parameters:

con - the connection for which to return the schema

Returns:

null if a schema name is not available

getConstraintNameClipLength

int getConstraintNameClipLength()

matchesConnection

boolean matchesConnection(Connection con)
                          throws SQLException

Throws:

SQLException

getChangeColumnTypeSQL

String getChangeColumnTypeSQL(String tableName,
                            String columnName,
                            String targetSqlType)

Builds a DB-specific SQL statement to update a column's type.

Parameters:

tableName - the name of the table to be changed.

columnName - the name of the column to be changed.

targetSqlType - the target SQL type of the column.

Returns:

the SQL text to change the column, or null, if not supported.

getDropIndexSQL

String getDropIndexSQL(String schemaName,
                     String tableName,
                     String indexName)

Builds a DB-specific SQL statement for dropping index.

Parameters:

schemaName - the of the schema containing table.

tableName - the name of the table to be changed.

indexName - the name of the index to be dropped.

Returns:

the SQL text to drop the index.