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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) E28847-01 |
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java.lang.Object
org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform
org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
org.eclipse.persistence.platform.database.DatabasePlatform
org.eclipse.persistence.platform.database.OraclePlatform
public class OraclePlatform
Purpose: Provides Oracle specific behavior.
Responsibilities:
Field Summary | |
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private static java.lang.String |
END_FROM |
private static java.lang.String |
FROM |
private static java.lang.String |
HINT |
private static java.lang.String |
MAX_ROW |
private static java.lang.String |
MIN_ROW |
private static java.lang.String |
SELECT |
protected boolean |
supportsIdentity Advanced attribute indicating whether identity is supported, see comment to setSupportsIdentity method. |
protected static DataModifyQuery |
vpdClearIdentifierQuery |
protected static DataModifyQuery |
vpdSetIdentifierQuery |
Fields inherited from class org.eclipse.persistence.platform.database.DatabasePlatform |
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DEFAULT_VARCHAR_SIZE |
Fields inherited from class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform |
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castSizeForVarcharParameter, classTypes, cursorCode, DEFAULT_MAX_BATCH_WRITING_SIZE, DEFAULT_PARAMETERIZED_MAX_BATCH_WRITING_SIZE, fieldTypes, IS_VALID_TIMEOUT, isCastRequired, maxBatchWritingSize, partitioningCallback, pingSQL, printOuterJoinInWhereClause, shouldBindAllParameters, shouldBindLiterals, shouldCacheAllStatements, shouldForceFieldNamesToUpperCase, shouldIgnoreCaseOnFieldComparisons, shouldOptimizeDataConversion, shouldTrimStrings, statementCacheSize, stringBindingSize, structConverters, supportsAutoCommit, tableCreationSuffix, transactionIsolation, typeConverters, Types_NCLOB, Types_SQLXML, useRownumFiltering, usesBatchWriting, usesByteArrayBinding, usesJDBCBatchWriting, usesNativeBatchWriting, usesNativeSQL, usesStreamsForBinding, usesStringBinding |
Fields inherited from class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform |
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conversionManager, dataTypesConvertedFromAClass, dataTypesConvertedToAClass, defaultSequence, endDelimiter, platformOperators, sequences, sequencesLock, startDelimiter, tableQualifier, timestampQuery |
Constructor Summary | |
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OraclePlatform() |
Method Summary | |
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boolean |
allowsSizeInProcedureArguments() |
protected void |
appendByteArray(byte[] bytes, java.io.Writer writer) INTERNAL: If using native SQL then print a byte[] literally as a hex string otherwise use ODBC format as provided in DatabasePlatform. |
protected void |
appendCalendar(java.util.Calendar calendar, java.io.Writer writer) INTERNAL: Appends an Oracle specific Timestamp, if usesNativeSQL is true otherwise use the ODBC format. |
protected void |
appendDate(java.sql.Date date, java.io.Writer writer) INTERNAL: Appends an Oracle specific date if usesNativeSQL is true otherwise use the ODBC format. |
protected void |
appendTime(java.sql.Time time, java.io.Writer writer) INTERNAL: Appends an Oracle specific time if usesNativeSQL is true otherwise use the ODBC format. |
protected void |
appendTimestamp(java.sql.Timestamp timestamp, java.io.Writer writer) INTERNAL: Appends an Oracle specific Timestamp, if usesNativeSQL is true otherwise use the ODBC format. |
ExpressionOperator |
atan2Operator() INTERNAL: Build operator. |
org.eclipse.persistence.internal.databaseaccess.DatabaseCall |
buildCallWithReturning(SQLCall sqlCall, java.util.Vector returnFields) INTERNAL: Returns null unless the platform supports call with returning |
protected java.util.Hashtable |
buildFieldTypes() INTERNAL: |
ValueReadQuery |
buildSelectQueryForIdentity(java.lang.String qualifiedSeqName, java.lang.Integer size) INTERNAL: Though Oracle doesn't support identity it could be imitated, see comment to setSupportsIdentity method. |
ValueReadQuery |
buildSelectQueryForSequenceObject(java.lang.String qualifiedSeqName, java.lang.Integer size) INTERNAL: Produce a DataReadQuery which updates(!) |
boolean |
canBuildCallWithReturning() INTERNAL: Indicates whether the platform can build call with returning. |
boolean |
canUnwrapOracleConnection() INTERNAL: Indicates whether this Oracle platform can unwrap Oracle connection. |
void |
clearOracleConnectionCache(java.sql.Connection conn) INTERNAL: Clears both implicit and explicit caches of OracleConnection on Oracle9Platform, noop here. |
protected ExpressionOperator |
currentDateOperator() |
protected ExpressionOperator |
currentTimeOperator() |
java.lang.String |
getAssignmentString() INTERNAL: Used for stored function calls. |
java.lang.String |
getBatchBeginString() Used for batch writing and sp defs. |
java.lang.String |
getBatchEndString() Used for batch writing and sp defs. |
java.lang.String |
getDeclareBeginString() INTERNAL: DECLARE stanza header for Anonymous PL/SQL block |
int |
getMaxFieldNameSize() INTERNAL: returns the maximum number of characters that can be used in a field name on this platform. |
java.util.Vector |
getNativeTableInfo(java.lang.String table, java.lang.String creator, org.eclipse.persistence.internal.sessions.AbstractSession session) Return the catalog information through using the native SQL catalog selects. |
java.lang.Object |
getObjectFromResultSet(java.sql.ResultSet resultSet, int columnNumber, int type, org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Get a timestamp value from a result set. |
java.lang.String |
getProcedureArgumentSetter() Used for sp calls. |
java.lang.String |
getProcedureCallHeader() Used for sp calls. |
java.lang.String |
getProcedureCallTail() Used for sp calls. |
java.lang.String |
getSelectForUpdateString() |
java.lang.String |
getSelectForUpdateWaitString(java.lang.Integer waitTimeout) |
java.lang.String |
getStoredProcedureParameterPrefix() |
java.lang.String |
getStoredProcedureTerminationToken() |
ValueReadQuery |
getSystemChangeNumberQuery() PUBLIC: The query to select the current system change number from Oracle. |
ValueReadQuery |
getTimestampQuery() PUBLIC: This method returns the query to select the timestamp from the server for Oracle. |
DatabaseQuery |
getVPDClearIdentifierQuery(java.lang.String vpdIdentifier) INTERNAL: Return an Oracle defined VPD clear identifier query. |
java.lang.String |
getVPDCreationFunctionString(java.lang.String tableName, java.lang.String tenantFieldName) INTERNAL: Return an Oracle defined VPD identifier function. |
java.lang.String |
getVPDCreationPolicyString(java.lang.String tableName, org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Return an Oracle defined VPD identifier policy. |
java.lang.String |
getVPDDeletionString(java.lang.String tableName, org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Return an Oracle defined VPD identifier policy deletion. |
DatabaseQuery |
getVPDSetIdentifierQuery(java.lang.String vpdIdentifier) INTERNAL: Return an Oracle defined VPD set identifier query. |
protected void |
initializePlatformOperators() Initialize any platform-specific operators |
boolean |
isAlterSequenceObjectSupported() INTERNAL: Override this method if the platform supports sequence objects and it's possible to alter sequence object's increment in the database. |
boolean |
isForUpdateCompatibleWithDistinct() INTERNAL: Indicates whether SELECT DISTINCT ... |
boolean |
isLockTimeoutException(DatabaseException e) Return true if the given exception occurred as a result of a lock time out exception (WAIT clause). |
boolean |
isNativeConnectionRequiredForLobLocator() INTERNAL: Used by derived platforms (Oracle8Platform and higher) to indicate whether app. server should unwrap connection to use lob locator. |
boolean |
isOracle() |
protected ExpressionOperator |
logOperator() Create the log operator for this platform |
java.util.Hashtable |
maximumNumericValues() Builds a table of maximum numeric values keyed on java class. |
java.util.Hashtable |
minimumNumericValues() Builds a table of minimum numeric values keyed on java class. |
protected ExpressionOperator |
operatorLocate() INTERNAL: Override the default locate operator |
protected ExpressionOperator |
operatorLocate2() INTERNAL: Override the default locate operator |
protected ExpressionOperator |
operatorOuterJoin() Create the outer join operator for this platform |
void |
printFieldNullClause(java.io.Writer writer) INTERNAL: Append the receiver's field 'NULL' constraint clause to a writer. |
void |
printSQLSelectStatement(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call, org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer, org.eclipse.persistence.internal.expressions.SQLSelectStatement statement) INTERNAL: Print the SQL representation of the statement on a stream, storing the fields in the DatabaseCall. |
java.lang.String |
serverTimestampString() Return the current date and time from the server. |
void |
setSupportsIdentity(boolean supportsIdentity) ADVANCED: Oracle db doesn't support identity. |
boolean |
shouldUseJDBCOuterJoinSyntax() JDBC defines and outer join syntax, many drivers do not support this. |
boolean |
supportsAutoConversionToNumericForArithmeticOperations() Some db allow VARCHAR db field to be used in arithmetic operations automatically converting them to numeric: UPDATE OL_PHONE SET PHONE_ORDER_VARCHAR = (PHONE_ORDER_VARCHAR + 1) WHERE ... |
boolean |
supportsIdentity() INTERNAL: Indicates whether the platform supports identity. |
boolean |
supportsSelectForUpdateNoWait() Returns true if the database supports SQL syntax not to wait on a SELECT..FOR UPADTE (i.e. |
boolean |
supportsSequenceObjects() INTERNAL: Indicates whether the platform supports sequence objects. |
boolean |
supportsStoredFunctions() INTERNAL: Return if database stored functions are supported. |
boolean |
supportsVPD() Oracle db supports VPD. |
protected ExpressionOperator |
todayOperator() Create the sysdate operator for this platform |
java.sql.Connection |
unwrapOracleConnection(java.sql.Connection connection) INTERNAL: If can unwrap returns unwrapped Oracle connection, otherwise original connection. |
boolean |
wasFailureCommunicationBased(java.sql.SQLException exception, java.sql.Connection connection, org.eclipse.persistence.internal.sessions.AbstractSession sessionForProfile) INTERNAL: A call to this method will perform a platform based check on the connection and exception error code to determine if the connection is still valid or if a communication error has occurred. |
Methods inherited from class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform |
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addBatch, addStructConverter, appendBoolean, appendLiteralToCall, appendLiteralToCallWithBinding, appendNumber, appendParameter, appendParameterInternal, appendString, autoCommit, beginTransaction, buildBatchCriteria, buildBatchCriteriaForComplexId, buildClassTypes, buildCreateIndex, buildCreateIndex, buildDropIndex, buildDropIndex, buildProcedureCallString, buildSelectQueryForIdentity, buildSelectQueryForSequenceObject, buildSequenceObjectAlterIncrementWriter, buildSequenceObjectCreationWriter, buildSequenceObjectDeletionWriter, canBatchWriteWithOptimisticLocking, commitTransaction, computeMaxRowsForSQL, convertToDatabaseType, copyInto, createArray, createArray, createPlatformDefaultSequence, createStruct, createStruct, dontBindUpdateAllQueryUsingTempTables, executeBatch, executeStoredProcedure, freeTemporaryObject, getBatchDelimiterString, getCastSizeForVarcharParameter, getClassTypes, getConnection, getConstraintDeletionString, getCreateTempTableSqlBodyForTable, getCreateTempTableSqlPrefix, getCreateTempTableSqlSuffix, getCreateViewString, getCreationInOutputProcedureToken, getCreationOutputProcedureToken, getCursorCode, getCustomModifyValueForCall, getDefaultSequenceTableName, getFieldTypeDefinition, getFieldTypes, getFunctionCallHeader, getIdentifierQuoteCharacter, getIndexNamePrefix, getInOutputProcedureToken, getInputProcedureToken, getJDBCOuterJoinString, getJDBCType, getJDBCType, getJdbcTypeName, getMaxBatchWritingSize, getMaxForeignKeyNameSize, getMaxIndexNameSize, getMaxUniqueKeyNameSize, getNoWaitString, getOutputProcedureToken, getPartitioningCallback, getPingSQL, getProcedureArgumentString, getProcedureAsString, getProcedureBeginString, getProcedureEndString, getQualifiedName, getQualifiedSequenceTableName, getRefValue, getRefValue, getSelectForUpdateNoWaitString, getSelectForUpdateOfString, getSequenceCounterFieldName, getSequenceNameFieldName, getSequencePreallocationSize, getSequenceTableName, getStatementCacheSize, getStringBindingSize, getStructConverters, getTableCreationSuffix, getTempTableForTable, getTransactionIsolation, getTypeConverters, hasPartitioningCallback, initialize, initializeConnectionData, isCastRequired, isDynamicSQLRequiredForFunctions, isInformixOuterJoin, isNullAllowedInSelectClause, isXDBDocument, minimumTimeIncrement, prepareBatchStatement, printFieldIdentityClause, printFieldNotNullClause, printFieldTypeSize, printFieldTypeSize, printFieldUnique, printFieldUnique, printStoredFunctionReturnKeyWord, printValuelist, printValuelist, registerOutputParameter, requiresNamedPrimaryKeyConstraints, requiresProcedureBrackets, requiresProcedureCallBrackets, requiresProcedureCallOuputToken, requiresTableInIndexDropDDL, requiresTypeNameToRegisterOutputParameter, requiresUniqueConstraintCreationOnTableCreate, retrieveFirstPrimaryKeyOrOne, rollbackTransaction, setCastSizeForVarcharParameter, setClassTypes, setCursorCode, setFieldTypes, setIsCastRequired, setMaxBatchWritingSize, setNullFromDatabaseField, setParameterValueInDatabaseCall, setPartitioningCallback, setPingSQL, setPrintOuterJoinInWhereClause, setSequenceCounterFieldName, setSequenceNameFieldName, setSequenceTableName, setShouldBindAllParameters, setShouldBindLiterals, setShouldCacheAllStatements, setShouldForceFieldNamesToUpperCase, setShouldIgnoreCaseOnFieldComparisons, setShouldOptimizeDataConversion, setShouldTrimStrings, setShouldUseRownumFiltering, setStatementCacheSize, setStringBindingSize, setSupportsAutoCommit, setTableCreationSuffix, setTransactionIsolation, setUsesBatchWriting, setUsesByteArrayBinding, setUsesJDBCBatchWriting, setUsesNativeBatchWriting, setUsesNativeSQL, setUsesStreamsForBinding, setUsesStringBinding, shouldAlwaysUseTempStorageForModifyAll, shouldBindAllParameters, shouldBindLiterals, shouldCacheAllStatements, shouldCreateIndicesForPrimaryKeys, shouldCreateIndicesOnUniqueKeys, shouldForceFieldNamesToUpperCase, shouldIgnoreCaseOnFieldComparisons, shouldIgnoreException, shouldNativeSequenceUseTransaction, shouldOptimizeDataConversion, shouldPrintAliasForUpdate, shouldPrintConstraintNameAfter, shouldPrintFieldIdentityClause, shouldPrintInOutputTokenBeforeType, shouldPrintInputTokenAtStart, shouldPrintLockingClauseAfterWhereClause, shouldPrintOuterJoinInWhereClause, shouldPrintOutputTokenAtStart, shouldPrintOutputTokenBeforeType, shouldPrintStoredProcedureArgumentNameInCall, shouldPrintStoredProcedureVariablesAfterBeginString, shouldTempTableSpecifyPrimaryKeys, shouldTrimStrings, shouldUseCustomModifyForCall, shouldUseRownumFiltering, supportsANSIInnerJoinSyntax, supportsAutoCommit, supportsForeignKeyConstraints, supportsGlobalTempTables, supportsIndexes, supportsIndividualTableLocking, supportsLocalTempTables, supportsLockingQueriesWithMultipleTables, supportsNativeSequenceNumbers, supportsNestingOuterJoins, supportsOuterJoinsWithBrackets, supportsPrimaryKeyConstraint, supportsTempTables, supportsUniqueColumns, supportsUniqueKeyConstraints, usesBatchWriting, usesByteArrayBinding, usesJDBCBatchWriting, usesNativeBatchWriting, usesNativeSQL, usesSequenceTable, usesStreamsForBinding, usesStringBinding, writeAutoAssignmentSetClause, writeAutoJoinWhereClause, writeCleanUpTempTableSql, writeCreateTempTableSql, writeDeleteFromTargetTableUsingTempTableSql, writeFields, writeFieldsAutoClause, writeFieldsList, writeInsertIntoTableSql, writeJoinWhereClause, writeLOB, writeParameterMarker, writeTableCreationSuffix, writeUpdateOriginalFromTempTableSql |
Methods inherited from class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform |
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addOperator, addSequence, addSequence, clone, convertObject, createConnectionCustomizer, getConversionManager, getDataTypesConvertedFrom, getDataTypesConvertedTo, getDefaultSequence, getDefaultSequenceToWrite, getEndDelimiter, getOperator, getPlatformOperators, getSelectSequenceQuery, getSequence, getSequences, getSequencesToWrite, getStartDelimiter, getTableQualifier, getTimestampFromServer, getUpdateSequenceQuery, hasDefaultSequence, isAccess, isAttunity, isCloudscape, isDB2, isDBase, isDerby, isFirebird, isH2, isHSQL, isInformix, isMaxDB, isMySQL, isODBC, isOracle9, isPointBase, isPostgreSQL, isSQLAnywhere, isSQLServer, isSybase, isSymfoware, isTimesTen, isTimesTen7, removeAllSequences, removeSequence, sequencesAfterCloneCleanup, setConversionManager, setDefaultSequence, setEndDelimiter, setSelectSequenceNumberQuery, setSequencePreallocationSize, setSequences, setStartDelimiter, setTableQualifier, setTimestampQuery, setUpdateSequenceQuery, toString, usesPlatformDefaultSequence |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected static DataModifyQuery vpdSetIdentifierQuery
protected static DataModifyQuery vpdClearIdentifierQuery
protected boolean supportsIdentity
private static final java.lang.String SELECT
private static final java.lang.String HINT
private static final java.lang.String FROM
private static final java.lang.String END_FROM
private static final java.lang.String MAX_ROW
private static final java.lang.String MIN_ROW
Constructor Detail |
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public OraclePlatform()
Method Detail |
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public boolean allowsSizeInProcedureArguments()
allowsSizeInProcedureArguments
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
protected void appendByteArray(byte[] bytes, java.io.Writer writer) throws java.io.IOException
appendByteArray
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.io.IOException
protected void appendDate(java.sql.Date date, java.io.Writer writer) throws java.io.IOException
appendDate
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.io.IOException
protected void appendTime(java.sql.Time time, java.io.Writer writer) throws java.io.IOException
appendTime
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.io.IOException
protected void appendTimestamp(java.sql.Timestamp timestamp, java.io.Writer writer) throws java.io.IOException
appendTimestamp
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.io.IOException
protected void appendCalendar(java.util.Calendar calendar, java.io.Writer writer) throws java.io.IOException
appendCalendar
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.io.IOException
public ExpressionOperator atan2Operator()
protected java.util.Hashtable buildFieldTypes()
buildFieldTypes
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public org.eclipse.persistence.internal.databaseaccess.DatabaseCall buildCallWithReturning(SQLCall sqlCall, java.util.Vector returnFields)
buildCallWithReturning
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean canBuildCallWithReturning()
canBuildCallWithReturning
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public void clearOracleConnectionCache(java.sql.Connection conn)
public java.lang.String getAssignmentString()
getAssignmentString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getDeclareBeginString()
public java.lang.String getBatchBeginString()
getBatchBeginString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getBatchEndString()
getBatchEndString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public int getMaxFieldNameSize()
getMaxFieldNameSize
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.util.Vector getNativeTableInfo(java.lang.String table, java.lang.String creator, org.eclipse.persistence.internal.sessions.AbstractSession session)
public java.lang.String getProcedureArgumentSetter()
getProcedureArgumentSetter
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getProcedureCallHeader()
getProcedureCallHeader
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getProcedureCallTail()
getProcedureCallTail
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getSelectForUpdateString()
getSelectForUpdateString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getSelectForUpdateWaitString(java.lang.Integer waitTimeout)
getSelectForUpdateWaitString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getStoredProcedureParameterPrefix()
getStoredProcedureParameterPrefix
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getStoredProcedureTerminationToken()
getStoredProcedureTerminationToken
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public ValueReadQuery getSystemChangeNumberQuery()
public ValueReadQuery getTimestampQuery()
getTimestampQuery
in interface org.eclipse.persistence.internal.databaseaccess.Platform
getTimestampQuery
in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform
public DatabaseQuery getVPDClearIdentifierQuery(java.lang.String vpdIdentifier)
getVPDClearIdentifierQuery
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getVPDCreationFunctionString(java.lang.String tableName, java.lang.String tenantFieldName)
getVPDCreationFunctionString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getVPDCreationPolicyString(java.lang.String tableName, org.eclipse.persistence.internal.sessions.AbstractSession session)
getVPDCreationPolicyString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.String getVPDDeletionString(java.lang.String tableName, org.eclipse.persistence.internal.sessions.AbstractSession session)
getVPDDeletionString
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public DatabaseQuery getVPDSetIdentifierQuery(java.lang.String vpdIdentifier)
getVPDSetIdentifierQuery
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.lang.Object getObjectFromResultSet(java.sql.ResultSet resultSet, int columnNumber, int type, org.eclipse.persistence.internal.sessions.AbstractSession session) throws java.sql.SQLException
getObjectFromResultSet
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
java.sql.SQLException
protected void initializePlatformOperators()
initializePlatformOperators
in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform
public boolean isNativeConnectionRequiredForLobLocator()
public boolean isOracle()
isOracle
in interface org.eclipse.persistence.internal.databaseaccess.Platform
isOracle
in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform
protected ExpressionOperator logOperator()
public java.util.Hashtable maximumNumericValues()
NOTE: BigInteger & BigDecimal maximums are dependent upon their precision & Scale
maximumNumericValues
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public java.util.Hashtable minimumNumericValues()
NOTE: BigInteger & BigDecimal minimums are dependent upon their precision & Scale
minimumNumericValues
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public ValueReadQuery buildSelectQueryForSequenceObject(java.lang.String qualifiedSeqName, java.lang.Integer size)
buildSelectQueryForSequenceObject
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
qualifiedSeqName
- known by Oracle to be a defined sequencepublic ValueReadQuery buildSelectQueryForIdentity(java.lang.String qualifiedSeqName, java.lang.Integer size)
buildSelectQueryForIdentity
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
qualifiedSeqName
- known by Oracle to be a defined sequenceprotected ExpressionOperator operatorOuterJoin()
protected ExpressionOperator operatorLocate()
protected ExpressionOperator operatorLocate2()
public void printFieldNullClause(java.io.Writer writer) throws ValidationException
printFieldNullClause
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
ValidationException
public java.lang.String serverTimestampString()
public boolean shouldUseJDBCOuterJoinSyntax()
shouldUseJDBCOuterJoinSyntax
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean supportsAutoConversionToNumericForArithmeticOperations()
supportsAutoConversionToNumericForArithmeticOperations
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean supportsSequenceObjects()
supportsSequenceObjects
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean supportsIdentity()
supportsIdentity
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public void setSupportsIdentity(boolean supportsIdentity)
public boolean supportsStoredFunctions()
supportsStoredFunctions
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean supportsVPD()
supportsVPD
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean supportsSelectForUpdateNoWait()
protected ExpressionOperator todayOperator()
protected ExpressionOperator currentDateOperator()
protected ExpressionOperator currentTimeOperator()
public boolean canUnwrapOracleConnection()
public java.sql.Connection unwrapOracleConnection(java.sql.Connection connection)
public void printSQLSelectStatement(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call, org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer, org.eclipse.persistence.internal.expressions.SQLSelectStatement statement)
printSQLSelectStatement
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean isAlterSequenceObjectSupported()
isAlterSequenceObjectSupported
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean isForUpdateCompatibleWithDistinct()
isForUpdateCompatibleWithDistinct
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean isLockTimeoutException(DatabaseException e)
isLockTimeoutException
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
public boolean wasFailureCommunicationBased(java.sql.SQLException exception, java.sql.Connection connection, org.eclipse.persistence.internal.sessions.AbstractSession sessionForProfile)
wasFailureCommunicationBased
in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
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