org.datanucleus.store.rdbms.adapter
Class SAPDBAdapter

java.lang.Object
  org.datanucleus.store.rdbms.adapter.DatabaseAdapter
      org.datanucleus.store.rdbms.adapter.SAPDBAdapter

All Implemented Interfaces:

org.datanucleus.store.mapped.DatastoreAdapter, RDBMSAdapter

public class SAPDBAdapter
extends DatabaseAdapter

Provides methods for adapting SQL language elements to the SAPDB/MaxDB database.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.adapter.DatabaseAdapter

catalogSeparator, datastoreMajorVersion, datastoreMinorVersion, datastoreProductName, datastoreProductVersion, datastoreRevisionVersion, driverMajorVersion, driverMinorVersion, driverName, driverVersion, identifierQuoteString, LOCALISER, LOCALISER_BASE, maxColumnNameLength, maxConstraintNameLength, maxIndexNameLength, maxTableNameLength, properties, reservedKeywords, supportedOptions

Fields inherited from interface org.datanucleus.store.rdbms.adapter.RDBMSAdapter

ACCESS_PARENTQUERY_IN_SUBQUERY_JOINED, ALTER_TABLE_DROP_CONSTRAINT_SYNTAX, ALTER_TABLE_DROP_FOREIGN_KEY_CONSTRAINT, ANSI_CROSSJOIN_SYNTAX, ANSI_JOIN_SYNTAX, AUTO_INCREMENT_COLUMN_TYPE_SPECIFICATION, AUTO_INCREMENT_KEYS_NULL_SPECIFICATION, AUTO_INCREMENT_PK_IN_CREATE_TABLE_COLUMN_DEF, BLOB_SET_USING_SETSTRING, CHAR_COLUMNS_PADDED_WITH_SPACES, CHECK_IN_CREATE_STATEMENTS, CHECK_IN_END_CREATE_STATEMENTS, CLOB_SET_USING_SETSTRING, CREATE_INDEXES_BEFORE_FOREIGN_KEYS, CROSSJOIN_ASINNER11_SYNTAX, DATETIME_STORES_MILLISECS, DEFAULT_BEFORE_NULL_IN_COLUMN_OPTIONS, DEFAULT_KEYWORD_IN_COLUMN_OPTIONS, DEFAULT_KEYWORD_WITH_NOT_NULL_IN_COLUMN_OPTIONS, DEFERRED_CONSTRAINTS, DISTINCT_WITH_SELECT_FOR_UPDATE, EXISTS_SYNTAX, FK_DELETE_ACTION_CASCADE, FK_DELETE_ACTION_DEFAULT, FK_DELETE_ACTION_NULL, FK_DELETE_ACTION_RESTRICT, FK_IN_END_CREATE_STATEMENTS, FK_UPDATE_ACTION_CASCADE, FK_UPDATE_ACTION_DEFAULT, FK_UPDATE_ACTION_NULL, FK_UPDATE_ACTION_RESTRICT, GET_GENERATED_KEYS_STATEMENT, INCLUDE_ORDERBY_COLS_IN_SELECT, LOCK_OPTION_PLACED_AFTER_FROM, LOCK_OPTION_PLACED_WITHIN_JOIN, LOCK_WITH_SELECT_FOR_UPDATE, NULL_EQUALS_EMPTY_STRING, NULLS_IN_CANDIDATE_KEYS, NULLS_KEYWORD_IN_COLUMN_OPTIONS, ORDERBY_USING_SELECT_COLUMN_INDEX, PERSIST_OF_UNASSIGNED_CHAR, PRIMARYKEY_IN_CREATE_STATEMENTS, STATEMENT_BATCHING, STORED_PROCEDURES, TX_ISOLATION_NONE, TX_ISOLATION_READ_COMMITTED, TX_ISOLATION_READ_UNCOMMITTED, TX_ISOLATION_REPEATABLE_READ, TX_ISOLATION_SERIALIZABLE, UNION_SYNTAX, UNIQUE_IN_END_CREATE_STATEMENTS, UPDATE_MULTITABLE, USE_UNION_ALL, VIEWS

Fields inherited from interface org.datanucleus.store.mapped.DatastoreAdapter

ANALYSIS_METHODS, BIT_IS_REALLY_BOOLEAN, BOOLEAN_COMPARISON, CATALOGS_IN_TABLE_DEFINITIONS, ESCAPE_EXPRESSION_IN_LIKE_PREDICATE, IDENTIFIERS_LOWERCASE, IDENTIFIERS_LOWERCASE_QUOTED, IDENTIFIERS_MIXEDCASE, IDENTIFIERS_MIXEDCASE_QUOTED, IDENTIFIERS_MIXEDCASE_QUOTED_SENSITIVE, IDENTIFIERS_MIXEDCASE_SENSITIVE, IDENTIFIERS_UPPERCASE, IDENTIFIERS_UPPERCASE_QUOTED, IDENTITY_COLUMNS, PROJECTION_IN_TABLE_REFERENCE_JOINS, SCHEMAS_IN_TABLE_DEFINITIONS, SEQUENCES

Constructor Summary

SAPDBAdapter(DatabaseMetaData metadata)
Constructs an SAP DB adapter based on the given JDBC metadata.

Method Summary

String	getAddCandidateKeyStatement(CandidateKey ck, org.datanucleus.store.mapped.IdentifierFactory factory) Returns the appropriate SQL to add a candidate key to its table.
String	getAddForeignKeyStatement(ForeignKey fk, org.datanucleus.store.mapped.IdentifierFactory factory) Returns the appropriate SQL to add a foreign key to its table.
String	getAddPrimaryKeyStatement(PrimaryKey pk, org.datanucleus.store.mapped.IdentifierFactory factory) Returns the appropriate SQL to add a primary key to its table.
String	getSelectWithLockOption() The option to specify in "SELECT ...
String	getSequenceCreateStmt(String sequence_name, Integer min, Integer max, Integer start, Integer increment, Integer cache_size) Accessor for the sequence statement to create the sequence.
String	getSequenceNextStmt(String sequence_name) Accessor for the statement for getting the next id from the sequence for this datastore.
String	getVendorID()

Methods inherited from class org.datanucleus.store.rdbms.adapter.DatabaseAdapter

addSQLTypeForJDBCType, getAdapterTime, getAddColumnStatement, getAutoIncrementKeyword, getAutoIncrementStmt, getCatalogName, getCatalogSeparator, getCheckConstraintForValues, getColumns, getContinuationString, getCreateIndexStatement, getCreateTableStatement, getDatastoreDateStatement, getDatastoreDriverName, getDatastoreDriverVersion, getDatastoreIdentifierMaxLength, getDatastoreProductName, getDatastoreProductVersion, getDeleteTableStatement, getDriverMajorVersion, getDriverMinorVersion, getDropTableStatement, getDropViewStatement, getEscapeCharacter, getEscapePatternExpression, getExistingIndexes, getIdentifierQuoteString, getInsertStatementForNoColumns, getMappingManager, getMaxForeignKeys, getMaxIndexes, getMiliseconds, getNewUUIDFunction, getNumericConversionFunction, getOperatorConcat, getOrderString, getPatternExpressionAnyCharacter, getPatternExpressionZeroMoreCharacters, getRangeByLimitEndOfStatementClause, getRangeByRowNumberColumn, getRangeByRowNumberColumn2, getRequiredTransactionIsolationLevel, getSchemaName, getSelectForUpdateText, getSelectNewUUIDStmt, getSQLTypeInfoForJdbcType, getSupportedOptions, getSurrogateForEmptyStrings, getTime, getTransactionIsolationForSchemaCreation, getUnlimitedLengthPrecisionValue, getValueForProperty, initialiseDatastore, initialiseTypes, isIdentityFieldDataType, isKeyword, isReservedKeyword, isStatementCancel, isStatementTimeout, isValidPrimaryKeyType, iteratorReservedWords, newFKInfo, newRDBMSColumnInfo, newSQLTypeInfo, parseKeywordList, removeUnsupportedMappings, setProperties, supportsOption, supportsQueryFetchSize, supportsTransactionIsolation, toString, validToSelectMappingInStatement

Methods inherited from class java.lang.Object

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

Constructor Detail

SAPDBAdapter

public SAPDBAdapter(DatabaseMetaData metadata)

Constructs an SAP DB adapter based on the given JDBC metadata.

Parameters:

metadata - the database metadata.

Method Detail

getVendorID

public String getVendorID()

Specified by:

getVendorID in interface org.datanucleus.store.mapped.DatastoreAdapter

Overrides:

getVendorID in class DatabaseAdapter

getSelectWithLockOption

public String getSelectWithLockOption()

The option to specify in "SELECT ... WITH (option)" to lock instances Null if not supported.

Specified by:

getSelectWithLockOption in interface RDBMSAdapter

Overrides:

getSelectWithLockOption in class DatabaseAdapter

Returns:

The option to specify with "SELECT ... WITH (option)"

getAddPrimaryKeyStatement

public String getAddPrimaryKeyStatement(PrimaryKey pk,
                                        org.datanucleus.store.mapped.IdentifierFactory factory)

Description copied from class: DatabaseAdapter

Returns the appropriate SQL to add a primary key to its table. It should return something like:

 ALTER TABLE FOO ADD CONSTRAINT FOO_PK PRIMARY KEY (BAR)
 ALTER TABLE FOO ADD PRIMARY KEY (BAR)
 

Specified by:

getAddPrimaryKeyStatement in interface RDBMSAdapter

Overrides:

getAddPrimaryKeyStatement in class DatabaseAdapter

Parameters:

pk - An object describing the primary key.

factory - Identifier factory

Returns:

The text of the SQL statement.

getAddCandidateKeyStatement

public String getAddCandidateKeyStatement(CandidateKey ck,
                                          org.datanucleus.store.mapped.IdentifierFactory factory)

Description copied from class: DatabaseAdapter

Returns the appropriate SQL to add a candidate key to its table. It should return something like:

 ALTER TABLE FOO ADD CONSTRAINT FOO_CK UNIQUE (BAZ)
 ALTER TABLE FOO ADD UNIQUE (BAZ)
 

Specified by:

getAddCandidateKeyStatement in interface RDBMSAdapter

Overrides:

getAddCandidateKeyStatement in class DatabaseAdapter

Parameters:

ck - An object describing the candidate key.

factory - Identifier factory

Returns:

The text of the SQL statement.

getAddForeignKeyStatement

public String getAddForeignKeyStatement(ForeignKey fk,
                                        org.datanucleus.store.mapped.IdentifierFactory factory)

Description copied from class: DatabaseAdapter

Returns the appropriate SQL to add a foreign key to its table. It should return something like:

 ALTER TABLE FOO ADD CONSTRAINT FOO_FK1 FOREIGN KEY (BAR, BAZ) REFERENCES ABC (COL1, COL2)
 ALTER TABLE FOO ADD FOREIGN KEY (BAR, BAZ) REFERENCES ABC (COL1, COL2)
 

Specified by:

getAddForeignKeyStatement in interface RDBMSAdapter

Overrides:

getAddForeignKeyStatement in class DatabaseAdapter

Parameters:

fk - An object describing the foreign key.

factory - Identifier factory

Returns:

The text of the SQL statement.

getSequenceCreateStmt

public String getSequenceCreateStmt(String sequence_name,
                                    Integer min,
                                    Integer max,
                                    Integer start,
                                    Integer increment,
                                    Integer cache_size)

Accessor for the sequence statement to create the sequence.

Specified by:

getSequenceCreateStmt in interface RDBMSAdapter

Overrides:

getSequenceCreateStmt in class DatabaseAdapter

Parameters:

sequence_name - Name of the sequence

min - Minimum value for the sequence

max - Maximum value for the sequence

start - Start value for the sequence

increment - Increment value for the sequence

cache_size - Cache size for the sequence

Returns:

The statement for getting the next id from the sequence

getSequenceNextStmt

public String getSequenceNextStmt(String sequence_name)

Accessor for the statement for getting the next id from the sequence for this datastore.

Specified by:

getSequenceNextStmt in interface RDBMSAdapter

Overrides:

getSequenceNextStmt in class DatabaseAdapter

Parameters:

sequence_name - Name of the sequence

Returns:

The statement for getting the next id for the sequence