RDMSOS2200Dialect (Hibernate JavaDocs)

java.lang.Object
- org.hibernate.dialect.Dialect
- - org.hibernate.dialect.RDMSOS2200Dialect

All Implemented Interfaces:

ConversionContext
```
public class RDMSOS2200Dialect
extends Dialect
```
This is the Hibernate dialect for the Unisys 2200 Relational Database (RDMS). This dialect was developed for use with Hibernate 3.0.5. Other versions may require modifications to the dialect.
Version History: Also change the version displayed below in the constructor 1.1 1.0 2005-10-24 CDH - First dated version for use with CP 11

Field Summary
- Fields inherited from class org.hibernate.dialect.Dialect
  CLOSED_QUOTE, DEFAULT_BATCH_SIZE, LEGACY_LOB_MERGE_STRATEGY, NEW_LOCATOR_LOB_MERGE_STRATEGY, NO_BATCH, QUOTE, STANDARD_DEFAULT_BATCH_LOAD_SIZING_STRATEGY, STREAM_XFER_LOB_MERGE_STRATEGY

Constructor Summary

Constructors
Constructor and Description

RDMSOS2200Dialect()
Constructs a RDMSOS2200Dialect

Constructors
Constructor and Description
`RDMSOS2200Dialect()` Constructs a RDMSOS2200Dialect

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`CaseFragment`	`createCaseFragment()` Create a `CaseFragment` strategy responsible for handling this dialect's variations in how CASE statements are handled.
`boolean`	`forUpdateOfColumns()` The RDMS DB supports the 'FOR UPDATE OF' clause.
`java.lang.String`	`getAddColumnString()` The syntax used to add a column to a table (optional).
`java.lang.String`	`getCascadeConstraintsString()` Completely optional cascading drop clause
`java.lang.String`	`getCreateSequenceString(java.lang.String sequenceName)` Typically dialects which support sequences can create a sequence with a single command.
`java.lang.String`	`getDropSequenceString(java.lang.String sequenceName)` Typically dialects which support sequences can drop a sequence with a single command.
`java.lang.String`	`getForUpdateString()` Since the RDMS-JDBC driver does not support for updates, this string is set to an empty string.
`LimitHandler`	`getLimitHandler()` Returns the delegate managing LIMIT clause.
`java.lang.String`	`getLimitString(java.lang.String sql, int offset, int limit)` Given a limit and an offset, apply the limit clause to the query.
`LockingStrategy`	`getLockingStrategy(Lockable lockable, LockMode lockMode)` Get a strategy instance which knows how to acquire a database-level lock of the specified mode for this dialect.
`java.lang.String`	`getNullColumnString()` The keyword used to specify a nullable column.
`java.lang.String`	`getSequenceNextValString(java.lang.String sequenceName)` Generate the appropriate select statement to to retrieve the next value of a sequence.
`boolean`	`qualifyIndexName()` RDMS does not support qualifing index names with the schema name.
`boolean`	`supportsCascadeDelete()` RDMS does not support Cascade Deletes.
`boolean`	`supportsLimit()` Does this dialect support some form of limiting query results via a SQL clause?
`boolean`	`supportsLimitOffset()` Does this dialect's LIMIT support (if any) additionally support specifying an offset?
`boolean`	`supportsOuterJoinForUpdate()` Currently, RDMS-JDBC does not support ForUpdate.
`boolean`	`supportsSequences()` Does this dialect support sequences?
`boolean`	`supportsUnionAll()` Does this dialect support UNION ALL, which is generally a faster variant of UNION?
`boolean`	`supportsVariableLimit()` Does this dialect support bind variables (i.e., prepared statement parameters) for its limit/offset?

Methods inherited from class org.hibernate.dialect.Dialect
appendLockHint, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildIdentifierHelper, buildSQLExceptionConversionDelegate, buildSQLExceptionConverter, canCreateCatalog, canCreateSchema, cast, cast, cast, closeQuote, contributeTypes, convertToFirstRowValue, createOuterJoinFragment, defaultScrollMode, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, dropConstraints, forceLimitUsage, forceLobAsLastValue, getAddColumnSuffixString, getAddForeignKeyConstraintString, getAddForeignKeyConstraintString, getAddPrimaryKeyConstraintString, getAddUniqueConstraintString, getAuxiliaryDatabaseObjectExporter, getCallableStatementSupport, getCaseInsensitiveLike, getCastTypeName, getColumnAliasExtractor, getColumnComment, getCreateCatalogCommand, getCreateMultisetTableString, getCreateSchemaCommand, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCrossJoinSeparator, getCurrentSchemaCommand, getCurrentTimestampSelectString, getCurrentTimestampSQLFunctionName, getDefaultBatchLoadSizingStrategy, getDefaultMultiTableBulkIdStrategy, getDefaultProperties, getDialect, getDialect, getDropCatalogCommand, getDropForeignKeyString, getDropSchemaCommand, getDropSequenceStrings, getDropTableString, getForeignKeyExporter, getForUpdateNowaitString, getForUpdateNowaitString, getForUpdateSkipLockedString, getForUpdateSkipLockedString, getForUpdateString, getForUpdateString, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIdentityColumnSupport, getIndexExporter, getInExpressionCountLimit, getKeywords, getLimitString, getLobMergeStrategy, getLowercaseFunction, getMaxAliasLength, getNameQualifierSupport, getNativeIdentifierGeneratorClass, getNativeIdentifierGeneratorStrategy, getNoColumnsInsertString, getNotExpression, getQueryHintString, getQuerySequencesString, getReadLockString, getResultSet, getResultSet, getResultSet, getSchemaNameResolver, getSelectClauseNullString, getSelectGUIDString, getSelectSequenceNextValString, getSequenceExporter, getSequenceInformationExtractor, getSqlTypeDescriptorOverride, getTableComment, getTableExporter, getTableTypeString, getTypeName, getTypeName, getUniqueDelegate, getUniqueKeyExporter, getViolatedConstraintNameExtracter, getWriteLockString, hasAlterTable, hasSelfReferentialForeignKeyBug, isCurrentTimestampSelectStringCallable, isJdbcLogWarningsEnabledByDefault, isLockTimeoutParameterized, openQuote, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, registerResultSetOutParameter, remapSqlTypeDescriptor, renderOrderByElement, replaceResultVariableInOrderByClauseWithPosition, requiresCastingOfParametersInSelectClause, requiresParensForTupleDistinctCounts, supportsBindAsCallableArgument, supportsCaseInsensitiveLike, supportsCircularCascadeDeleteConstraints, supportsColumnCheck, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsIfExistsAfterConstraintName, supportsIfExistsAfterTableName, supportsIfExistsBeforeConstraintName, supportsIfExistsBeforeTableName, supportsLobValueChangePropogation, supportsLockTimeouts, supportsNamedParameters, supportsNationalizedTypes, supportsNotNullUnique, supportsParametersInInsertSelect, supportsPooledSequences, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsRowValueConstructorSyntax, supportsRowValueConstructorSyntaxInInList, supportsSubqueryOnMutatingTable, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTupleCounts, supportsTupleDistinctCounts, supportsTuplesInSubqueries, supportsUnboundedLobLocatorMaterialization, supportsUnique, supportsUniqueConstraintInCreateAlterTable, toBooleanValueString, toString, transformSelectString, useFollowOnLocking, useInputStreamToInsertBlob, useMaxForLimit

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - RDMSOS2200Dialect
```
public RDMSOS2200Dialect()
```
    Constructs a RDMSOS2200Dialect
- Method Detail
  - qualifyIndexName
```
public boolean qualifyIndexName()
```
    RDMS does not support qualifing index names with the schema name.
    Do we need to qualify index names with the schema name?
    
    Overrides:
    
    qualifyIndexName in class Dialect
    
    Returns:
    
    boolean
  - forUpdateOfColumns
```
public boolean forUpdateOfColumns()
```
    The RDMS DB supports the 'FOR UPDATE OF' clause. However, the RDMS-JDBC driver does not support this feature, so a false is return. The base dialect also returns a false, but we will leave this over-ride in to make sure it stays false.
    Is FOR UPDATE OF syntax supported?
    
    Overrides:
    
    forUpdateOfColumns in class Dialect
    
    Returns:
    
    True if the database supports FOR UPDATE OF syntax; false otherwise.
  - getForUpdateString
```
public java.lang.String getForUpdateString()
```
    Since the RDMS-JDBC driver does not support for updates, this string is set to an empty string. Whenever, the driver does support this feature, the returned string should be " FOR UPDATE OF". Note that RDMS does not support the string 'FOR UPDATE' string.
    Get the string to append to SELECT statements to acquire locks for this dialect.
    
    Overrides:
    
    getForUpdateString in class Dialect
    
    Returns:
    
    The appropriate FOR UPDATE clause string.
  - supportsCascadeDelete
```
public boolean supportsCascadeDelete()
```
    RDMS does not support Cascade Deletes. Need to review this in the future when support is provided.
    Does this dialect support cascaded delete on foreign key definitions?
    
    Overrides:
    
    supportsCascadeDelete in class Dialect
    
    Returns:
    
    true indicates that the dialect does support cascaded delete on foreign keys.
  - supportsOuterJoinForUpdate
```
public boolean supportsOuterJoinForUpdate()
```
    Currently, RDMS-JDBC does not support ForUpdate. Need to review this in the future when support is provided.
    Does this dialect support FOR UPDATE in conjunction with outer joined rows?
    
    Overrides:
    
    supportsOuterJoinForUpdate in class Dialect
    
    Returns:
    
    True if outer joined rows can be locked via FOR UPDATE.
  - getAddColumnString
```
public java.lang.String getAddColumnString()
```
    Description copied from class: Dialect
    
    The syntax used to add a column to a table (optional).
    
    Overrides:
    
    getAddColumnString in class Dialect
    
    Returns:
    
    The "add column" fragment.
  - getNullColumnString
```
public java.lang.String getNullColumnString()
```
    Description copied from class: Dialect
    
    The keyword used to specify a nullable column.
    
    Overrides:
    
    getNullColumnString in class Dialect
    
    Returns:
    
    String
  - supportsSequences
```
public boolean supportsSequences()
```
    Description copied from class: Dialect
    
    Does this dialect support sequences?
    
    Overrides:
    
    supportsSequences in class Dialect
    
    Returns:
    
    True if sequences supported; false otherwise.
  - getSequenceNextValString
```
public java.lang.String getSequenceNextValString(java.lang.String sequenceName)
```
    Description copied from class: Dialect
    
    Generate the appropriate select statement to to retrieve the next value of a sequence.
    This should be a "stand alone" select statement.
    
    Overrides:
    
    getSequenceNextValString in class Dialect
    
    Parameters:
    
    sequenceName - the name of the sequence
    
    Returns:
    
    String The "nextval" select string.
  - getCreateSequenceString
```
public java.lang.String getCreateSequenceString(java.lang.String sequenceName)
```
    Description copied from class: Dialect
    
    Typically dialects which support sequences can create a sequence with a single command. This is convenience form of Dialect.getCreateSequenceStrings(java.lang.String) to help facilitate that.
    Dialects which support sequences and can create a sequence in a single command need *only* override this method. Dialects which support sequences but require multiple commands to create a sequence should instead override Dialect.getCreateSequenceStrings(java.lang.String).
    
    Overrides:
    
    getCreateSequenceString in class Dialect
    
    Parameters:
    
    sequenceName - The name of the sequence
    
    Returns:
    
    The sequence creation command
  - getDropSequenceString
```
public java.lang.String getDropSequenceString(java.lang.String sequenceName)
```
    Description copied from class: Dialect
    
    Typically dialects which support sequences can drop a sequence with a single command. This is convenience form of Dialect.getDropSequenceStrings(java.lang.String) to help facilitate that.
    Dialects which support sequences and can drop a sequence in a single command need *only* override this method. Dialects which support sequences but require multiple commands to drop a sequence should instead override Dialect.getDropSequenceStrings(java.lang.String).
    
    Overrides:
    
    getDropSequenceString in class Dialect
    
    Parameters:
    
    sequenceName - The name of the sequence
    
    Returns:
    
    The sequence drop commands
  - getCascadeConstraintsString
```
public java.lang.String getCascadeConstraintsString()
```
    Description copied from class: Dialect
    
    Completely optional cascading drop clause
    
    Overrides:
    
    getCascadeConstraintsString in class Dialect
    
    Returns:
    
    String
  - createCaseFragment
```
public CaseFragment createCaseFragment()
```
    Description copied from class: Dialect
    
    Create a CaseFragment strategy responsible for handling this dialect's variations in how CASE statements are handled.
    
    Overrides:
    
    createCaseFragment in class Dialect
    
    Returns:
    
    This dialect's CaseFragment strategy.
  - getLimitHandler
```
public LimitHandler getLimitHandler()
```
    Description copied from class: Dialect
    
    Returns the delegate managing LIMIT clause.
    
    Overrides:
    
    getLimitHandler in class Dialect
    
    Returns:
    
    LIMIT clause delegate.
  - supportsLimit
```
public boolean supportsLimit()
```
    Description copied from class: Dialect
    
    Does this dialect support some form of limiting query results via a SQL clause?
    
    Overrides:
    
    supportsLimit in class Dialect
    
    Returns:
    
    True if this dialect supports some form of LIMIT.
  - supportsLimitOffset
```
public boolean supportsLimitOffset()
```
    Description copied from class: Dialect
    
    Does this dialect's LIMIT support (if any) additionally support specifying an offset?
    
    Overrides:
    
    supportsLimitOffset in class Dialect
    
    Returns:
    
    True if the dialect supports an offset within the limit support.
  - getLimitString
```
public java.lang.String getLimitString(java.lang.String sql,
                                       int offset,
                                       int limit)
```
    Description copied from class: Dialect
    
    Given a limit and an offset, apply the limit clause to the query.
    
    Overrides:
    
    getLimitString in class Dialect
    
    Parameters:
    
    sql - The query to which to apply the limit.
    
    offset - The offset of the limit
    
    limit - The limit of the limit ;)
    
    Returns:
    
    The modified query statement with the limit applied.
  - supportsVariableLimit
```
public boolean supportsVariableLimit()
```
    Description copied from class: Dialect
    
    Does this dialect support bind variables (i.e., prepared statement parameters) for its limit/offset?
    
    Overrides:
    
    supportsVariableLimit in class Dialect
    
    Returns:
    
    True if bind variables can be used; false otherwise.
  - supportsUnionAll
```
public boolean supportsUnionAll()
```
    Description copied from class: Dialect
    
    Does this dialect support UNION ALL, which is generally a faster variant of UNION?
    
    Overrides:
    
    supportsUnionAll in class Dialect
    
    Returns:
    
    True if UNION ALL is supported; false otherwise.
  - getLockingStrategy
```
public LockingStrategy getLockingStrategy(Lockable lockable,
                                          LockMode lockMode)
```
    Description copied from class: Dialect
    
    Get a strategy instance which knows how to acquire a database-level lock of the specified mode for this dialect.
    
    Overrides:
    
    getLockingStrategy in class Dialect
    
    Parameters:
    
    lockable - The persister for the entity to be locked.
    
    lockMode - The type of lock to be acquired.
    
    Returns:
    
    The appropriate locking strategy.

Class RDMSOS2200Dialect

Field Summary

Fields inherited from class org.hibernate.dialect.Dialect

Constructor Summary

Method Summary

Methods inherited from class org.hibernate.dialect.Dialect

Methods inherited from class java.lang.Object

Constructor Detail

RDMSOS2200Dialect

Method Detail

qualifyIndexName

forUpdateOfColumns

getForUpdateString

supportsCascadeDelete

supportsOuterJoinForUpdate

getAddColumnString

getNullColumnString

supportsSequences

getSequenceNextValString

getCreateSequenceString

getDropSequenceString

getCascadeConstraintsString

createCaseFragment

getLimitHandler

supportsLimit

supportsLimitOffset

getLimitString

supportsVariableLimit

supportsUnionAll

getLockingStrategy