org.teiid.translator.jdbc.oracle

Class OracleExecutionFactory

java.lang.Object

org.teiid.translator.ExecutionFactory<DataSource,Connection>

org.teiid.translator.jdbc.JDBCExecutionFactory

org.teiid.translator.jdbc.oracle.OracleExecutionFactory

@Translator(name="oracle",
            description="A translator for Oracle 9i Database or later")
public class OracleExecutionFactory
extends JDBCExecutionFactory

Nested Class Summary

Nested classes/interfaces inherited from class org.teiid.translator.jdbc.JDBCExecutionFactory

JDBCExecutionFactory.StructRetrieval

Nested classes/interfaces inherited from class org.teiid.translator.ExecutionFactory

org.teiid.translator.ExecutionFactory.Format, org.teiid.translator.ExecutionFactory.NullOrder, org.teiid.translator.ExecutionFactory.SupportedJoinCriteria, org.teiid.translator.ExecutionFactory.TransactionSupport

Field Summary

Fields

Modifier and Type	Field and Description
static String	DUAL
static org.teiid.util.Version	ELEVEN_2
static org.teiid.util.Version	ELEVEN_2_0_4
static String	FILTER
static String	HINT_PREFIX
static String	HINT_SUFFIX
static String	NEAREST_NEIGHBOR
static String	NEAREST_NEIGHBOR_DISTANCE
static org.teiid.util.Version	NINE_0
static org.teiid.util.Version	NINE_2
static String	ORACLE
static String	ORACLE_SDO
static String	RELATE
static String	ROWNUM
static String	SEQUENCE
static org.teiid.util.Version	TWELVE
static String	WITHIN_DISTANCE

Fields inherited from class org.teiid.translator.jdbc.JDBCExecutionFactory

DEFAULT_MAX_DEPENDENT_PREDICATES, DEFAULT_MAX_IN_CRITERIA, DEFAULT_TIME_ZONE, dialect

Fields inherited from class org.teiid.translator.ExecutionFactory

DEFAULT_MAX_FROM_GROUPS, DEFAULT_MAX_IN_CRITERIA_SIZE

Constructor Summary

Constructors

Constructor and Description
OracleExecutionFactory()

Method Summary

Modifier and Type	Method and Description
void	bindValue(PreparedStatement stmt, Object param, Class<?> paramType, int i) Sets prepared statement parameter i with param.
protected JDBCMetadataProcessor	createMetadataProcessor() Deprecated.
String	createTempTable(String string, List<org.teiid.language.ColumnReference> cols, org.teiid.translator.ExecutionContext context, Connection connection) Create a temp table with the given name prefix and columns
ResultSet	executeStoredProcedure(CallableStatement statement, List<org.teiid.language.Argument> preparedValues, Class<?> returnType) This is a generic implementation.
String	getCreateTemporaryTablePostfix(boolean inTransaction)
String	getCreateTemporaryTableString(boolean inTransaction)
org.teiid.translator.ExecutionFactory.NullOrder	getDefaultNullOrder()
String	getHibernateDialectClassName()
org.teiid.translator.MetadataProcessor<Connection>	getMetadataProcessor()
String	getSetOperationString(org.teiid.language.SetQuery.Operation operation) Returns the name for a given SetQuery.Operation
String	getSourceComment(org.teiid.translator.ExecutionContext context, org.teiid.language.Command command) Returns the source comment for the given command
SQLConversionVisitor	getSQLConversionVisitor() Create the SQLConversionVisitor that will perform translation.
List<String>	getSupportedFunctions()
String	getTemporaryTableName(String prefix) uses a random table name strategy with a retry in the createTempTable(String, List, ExecutionContext, Connection) method
void	handleInsertSequences(org.teiid.language.Insert insert)
boolean	hasTimeType() Return false to indicate that time support should be emulated with timestamps.
void	initCapabilities(Connection connection)
void	intializeConnectionAfterCancel(Connection c) Implemented if the Connection needs initialized after a statement cancel
protected boolean	isNonAsciiFunction(org.teiid.language.Function f)
boolean	isOracleSuppliedDriver()
protected void	registerSpecificTypeOfOutParameter(CallableStatement statement, Class<?> runtimeType, int index) For registering specific output parameter types we need to translate these into the appropriate java.sql.Types output parameters We will need to match these up with the appropriate standard sql types
String	replaceElementName(String group, String element) Don't fully qualify elements if table = DUAL or element = ROWNUM or special stuff is packed into name in source value.
Object	retrieveGeometryValue(ResultSet results, int paramIndex)
void	setOracleSuppliedDriver(boolean oracleNative)
void	start()
boolean	supportsAggregatesEnhancedNumeric()
boolean	supportsArrayType()
protected boolean	supportsBooleanExpressions() if boolean expressions are directly supported.
boolean	supportsCommonTableExpressions()
boolean	supportsConvert(int fromType, int toType)
boolean	supportsCorrelatedSubqueryLimit()
boolean	supportsElementaryOlapOperations()
boolean	supportsExcept()
boolean	supportsFormatLiteral(String literal, org.teiid.translator.ExecutionFactory.Format format)
boolean	supportsFunctionsInGroupBy()
protected boolean	supportsGeneratedKeys(org.teiid.translator.ExecutionContext context, org.teiid.language.Command command)
boolean	supportsGroupByRollup()
boolean	supportsInlineViews()
boolean	supportsIntersect()
boolean	supportsLikeRegex()
boolean	supportsOnlyFormatLiterals()
boolean	supportsOrderByNullOrdering()
boolean	supportsRecursiveCommonTableExpressions()
boolean	supportsRowLimit()
boolean	supportsRowOffset()
boolean	supportsSelectExpressionArrayType()
boolean	supportsSelectWithoutFrom()
boolean	supportsSubqueryInOn()
List<?>	translate(org.teiid.language.LanguageObject obj, org.teiid.translator.ExecutionContext context) Return a List of translated parts (LanguageObjects and Objects), or null if to rely on the default translation.
List<?>	translateCommand(org.teiid.language.Command command, org.teiid.translator.ExecutionContext context) Return a List of translated parts (LanguageObjects and Objects), or null if to rely on the default translation.
org.teiid.language.Expression	translateGeometrySelect(org.teiid.language.Expression expr) Translate GEOMETRY column reference into an expression that will return SRID & WKB.
String	translateLiteralBinaryType(BinaryType obj) Subclasses should override this method to provide a different sql translation of the literal varbinary value.
String	translateLiteralTimestamp(Timestamp timestampValue) Subclasses should override this method to provide a different sql translation of the literal timestamp value.
boolean	useAsInGroupAlias() Indicates whether group alias should be of the form "...FROM groupA AS X" or "...FROM groupA X".
boolean	useColumnNamesForGeneratedKeys()
protected boolean	usesDatabaseVersion()
boolean	useStreamsForLobs() If streams should be used for Blob/Clob sets on PreparedStatements
boolean	useUnicodePrefix()

Methods inherited from class org.teiid.translator.jdbc.JDBCExecutionFactory

addSourceComment, afterInitialConnectionObtained, closeConnection, convertObject, createDirectExecution, createProcedureExecution, createResultSetExecution, createUpdateExecution, formatDateValue, formatDateValue, getCommentFormat, getConnection, getCreateTempTableSQL, getDatabaseCalendar, getDatabaseTimeZone, getDatabaseVersion, getDefaultSupportedFunctions, getDialect, getFunctionModifiers, getLateralKeyword, getLikeRegexString, getMaxPreparedInsertBatchSize, getMetadata, getStructRetrieval, getTimestampNanoPrecision, getVersion, isEnableDependentJoins, isNonAscii, isSourceRequired, isSourceRequiredForCapabilities, isTrimStrings, loadedTemporaryTable, obtainedConnection, parseName, registerFunctionModifier, retrieveGeometryValue, retrieveValue, retrieveValue, setCommentFormat, setDatabaseTimeZone, setDatabaseVersion, setDatabaseVersion, setEnableDependentJoins, setFetchSize, setMaxPreparedInsertBatchSize, setStructRetrieval, setTrimStrings, setUseBindingsForDependentJoin, setUseBindVariables, setUseCommentsInSourceQuery, supportsAggregatesAvg, supportsAggregatesCount, supportsAggregatesCountStar, supportsAggregatesDistinct, supportsAggregatesMax, supportsAggregatesMin, supportsAggregatesSum, supportsAliasedTable, supportsBatchedUpdates, supportsBulkUpdate, supportsCompareCriteriaEquals, supportsCompareCriteriaOrdered, supportsCorrelatedSubqueries, supportsDependentJoins, supportsExistsCriteria, supportsFullDependentJoins, supportsGeneratedKeys, supportsGroupBy, supportsHaving, supportsInCriteria, supportsInCriteriaSubquery, supportsInsertWithQueryExpression, supportsIsNullCriteria, supportsLikeCriteria, supportsLikeCriteriaEscapeCharacter, supportsNotCriteria, supportsOrCriteria, supportsOrderByUnrelated, supportsQuantifiedCompareCriteriaAll, supportsQuantifiedCompareCriteriaSome, supportsScalarSubqueries, supportsSearchedCaseExpressions, supportsSelectExpression, supportsSelfJoins, supportsSetQueryOrderBy, supportsUnions, tempTableRequiresTransaction, translateGeometryLiteral, translateGeometryParameter, translateLimit, translateLiteralBoolean, translateLiteralDate, translateLiteralTime, useBindingsForDependentJoin, useBindVariables, useCommentsInSourceQuery, useParensForJoins, useParensForSetQueries, usePreparedStatements, useScientificNotation, useSelectLimit, useWithRollup

Methods inherited from class org.teiid.translator.ExecutionFactory

addPushDownFunction, areLobsUsableAfterClose, createExecution, getCacheDirective, getCollationLocale, getConnection, getDirectQueryProcedureName, getExcludedCommonTableExpressionName, getInstance, getLanguageFactory, getMaxDependentInPredicates, getMaxFromGroups, getMaxInCriteriaSize, getNativeQueryProcedureName, getPushDownFunctions, getRequiredLikeEscape, getSupportedJoinCriteria, getTransactionSupport, getTypeFacility, isCopyLobs, isForkable, isImmutable, isSourceRequiredForMetadata, isThreadBound, requiresCriteria, returnsSingleUpdateCount, setCollationLocale, setCopyLobs, setDirectQueryProcedureName, setExcludedCommonTableExpressionName, setImmutable, setMaxDependentInPredicates, setMaxInCriteriaSize, setNativeQueryProcedureName, setRequiresCriteria, setSourceRequired, setSourceRequiredForMetadata, setSupportedJoinCriteria, setSupportsDirectQueryProcedure, setSupportsFullOuterJoins, setSupportsInnerJoins, setSupportsNativeQueries, setSupportsOrderBy, setSupportsOuterJoins, setSupportsSelectDistinct, setThreadBound, setTransactionSupport, supportsAdvancedOlapOperations, supportsArrayAgg, supportsCompareCriteriaOrderedExclusive, supportsDirectQueryProcedure, supportsFullOuterJoins, supportsGroupByMultipleDistinctAggregates, supportsInnerJoins, supportsIsDistinctCriteria, supportsLateralJoin, supportsLateralJoinCondition, supportsNativeQueries, supportsOnlyCorrelatedSubqueries, supportsOnlyLiteralComparison, supportsOnlySingleTableGroupBy, supportsOrderBy, supportsOrderByWithExtendedGrouping, supportsOuterJoins, supportsPartialFiltering, supportsProcedureTable, supportsScalarSubqueryProjection, supportsSelectDistinct, supportsSetQueryLimitOffset, supportsSimilarTo, supportsStringAgg, supportsSubqueryCommonTableExpressions, supportsUpsert, supportsWindowDistinctAggregates, supportsWindowOrderByWithAggregates, useAnsiJoin

Methods inherited from class java.lang.Object

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

Field Detail

NINE_0

public static final org.teiid.util.Version NINE_0

NINE_2

public static final org.teiid.util.Version NINE_2

ELEVEN_2_0_4

public static final org.teiid.util.Version ELEVEN_2_0_4

ELEVEN_2

public static final org.teiid.util.Version ELEVEN_2

TWELVE

public static final org.teiid.util.Version TWELVE

HINT_PREFIX

public static final String HINT_PREFIX

See Also:

Constant Field Values

HINT_SUFFIX

public static final String HINT_SUFFIX

See Also:

Constant Field Values

DUAL

public static final String DUAL

See Also:

Constant Field Values

ROWNUM

public static final String ROWNUM

See Also:

Constant Field Values

SEQUENCE

public static final String SEQUENCE

See Also:

Constant Field Values

RELATE

public static final String RELATE

See Also:

Constant Field Values

NEAREST_NEIGHBOR

public static final String NEAREST_NEIGHBOR

See Also:

Constant Field Values

FILTER

public static final String FILTER

See Also:

Constant Field Values

WITHIN_DISTANCE

public static final String WITHIN_DISTANCE

See Also:

Constant Field Values

NEAREST_NEIGHBOR_DISTANCE

public static final String NEAREST_NEIGHBOR_DISTANCE

See Also:

Constant Field Values

ORACLE_SDO

public static final String ORACLE_SDO

See Also:

Constant Field Values

ORACLE

public static final String ORACLE

See Also:

Constant Field Values

Constructor Detail

OracleExecutionFactory

public OracleExecutionFactory()

Method Detail

start

public void start()
           throws org.teiid.translator.TranslatorException

Overrides:

start in class JDBCExecutionFactory

Throws:

org.teiid.translator.TranslatorException

initCapabilities

public void initCapabilities(Connection connection)
                      throws org.teiid.translator.TranslatorException

Overrides:

initCapabilities in class JDBCExecutionFactory

Throws:

org.teiid.translator.TranslatorException

handleInsertSequences

public void handleInsertSequences(org.teiid.language.Insert insert)
                           throws org.teiid.translator.TranslatorException

Throws:

org.teiid.translator.TranslatorException

translateCommand

public List<?> translateCommand(org.teiid.language.Command command,
                                org.teiid.translator.ExecutionContext context)

Description copied from class: JDBCExecutionFactory

Return a List of translated parts (LanguageObjects and Objects), or null if to rely on the default translation.

Overrides:

translateCommand in class JDBCExecutionFactory

Returns:

a list of translated parts

useAsInGroupAlias

public boolean useAsInGroupAlias()

Description copied from class: JDBCExecutionFactory

Indicates whether group alias should be of the form "...FROM groupA AS X" or "...FROM groupA X". Certain data sources (such as Oracle) may not support the first form.

Overrides:

useAsInGroupAlias in class JDBCExecutionFactory

Returns:

boolean

getSetOperationString

public String getSetOperationString(org.teiid.language.SetQuery.Operation operation)

Description copied from class: JDBCExecutionFactory

Returns the name for a given SetQuery.Operation

Overrides:

getSetOperationString in class JDBCExecutionFactory

Returns:

the name for the set operation

getSourceComment

public String getSourceComment(org.teiid.translator.ExecutionContext context,
                               org.teiid.language.Command command)

Description copied from class: JDBCExecutionFactory

Returns the source comment for the given command

Overrides:

getSourceComment in class JDBCExecutionFactory

Returns:

the comment

replaceElementName

public String replaceElementName(String group,
                                 String element)

Don't fully qualify elements if table = DUAL or element = ROWNUM or special stuff is packed into name in source value.

Overrides:

replaceElementName in class JDBCExecutionFactory

Returns:

thre replacement name

Since:

5.0

See Also:

org.teiid.language.visitor.SQLStringVisitor#skipGroupInElement(java.lang.String, java.lang.String)

hasTimeType

public boolean hasTimeType()

Description copied from class: JDBCExecutionFactory

Return false to indicate that time support should be emulated with timestamps.

Overrides:

hasTimeType in class JDBCExecutionFactory

Returns:

true if database has a time type

bindValue

public void bindValue(PreparedStatement stmt,
                      Object param,
                      Class<?> paramType,
                      int i)
               throws SQLException

Description copied from class: JDBCExecutionFactory

Sets prepared statement parameter i with param. Performs special handling to translate dates using the database time zone and to translate biginteger, float, and char to JDBC safe objects.

Overrides:

bindValue in class JDBCExecutionFactory

Throws:

SQLException

useStreamsForLobs

public boolean useStreamsForLobs()

Description copied from class: JDBCExecutionFactory

If streams should be used for Blob/Clob sets on PreparedStatements

Overrides:

useStreamsForLobs in class JDBCExecutionFactory

Returns:

getDefaultNullOrder

public org.teiid.translator.ExecutionFactory.NullOrder getDefaultNullOrder()

Overrides:

getDefaultNullOrder in class JDBCExecutionFactory

supportsOrderByNullOrdering

public boolean supportsOrderByNullOrdering()

Overrides:

supportsOrderByNullOrdering in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

getSQLConversionVisitor

public SQLConversionVisitor getSQLConversionVisitor()

Description copied from class: JDBCExecutionFactory

Create the SQLConversionVisitor that will perform translation. Typical custom JDBC connectors will not need to create custom conversion visitors, rather implementors should override existing JDBCExecutionFactory methods.

Overrides:

getSQLConversionVisitor in class JDBCExecutionFactory

Returns:

the SQLConversionVisitor

getSupportedFunctions

public List<String> getSupportedFunctions()

Overrides:

getSupportedFunctions in class JDBCExecutionFactory

translateLiteralTimestamp

public String translateLiteralTimestamp(Timestamp timestampValue)

Description copied from class: JDBCExecutionFactory

Subclasses should override this method to provide a different sql translation of the literal timestamp value. By default, a timestamp literal is represented as: {ts '2002-12-31 23:59:59'}. See JDBCExecutionFactory.getTimestampNanoPrecision() to control the literal precision.

Overrides:

translateLiteralTimestamp in class JDBCExecutionFactory

Parameters:

timestampValue - Timestamp value, never null

Returns:

Translated string

supportsInlineViews

public boolean supportsInlineViews()

Overrides:

supportsInlineViews in class JDBCExecutionFactory

supportsFunctionsInGroupBy

public boolean supportsFunctionsInGroupBy()

Overrides:

supportsFunctionsInGroupBy in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsRowLimit

public boolean supportsRowLimit()

Overrides:

supportsRowLimit in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsRowOffset

public boolean supportsRowOffset()

Overrides:

supportsRowOffset in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsExcept

public boolean supportsExcept()

Overrides:

supportsExcept in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsIntersect

public boolean supportsIntersect()

Overrides:

supportsIntersect in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsAggregatesEnhancedNumeric

public boolean supportsAggregatesEnhancedNumeric()

Overrides:

supportsAggregatesEnhancedNumeric in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsElementaryOlapOperations

public boolean supportsElementaryOlapOperations()

Overrides:

supportsElementaryOlapOperations in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsLikeRegex

public boolean supportsLikeRegex()

Overrides:

supportsLikeRegex in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

setOracleSuppliedDriver

public void setOracleSuppliedDriver(boolean oracleNative)

isOracleSuppliedDriver

@TranslatorProperty(display="Oracle Supplied Driver",
                    description="True if the driver is an Oracle supplied driver",
                    advanced=true)
public boolean isOracleSuppliedDriver()

registerSpecificTypeOfOutParameter

protected void registerSpecificTypeOfOutParameter(CallableStatement statement,
                                                  Class<?> runtimeType,
                                                  int index)
                                           throws SQLException

Description copied from class: JDBCExecutionFactory

For registering specific output parameter types we need to translate these into the appropriate java.sql.Types output parameters We will need to match these up with the appropriate standard sql types

Overrides:

registerSpecificTypeOfOutParameter in class JDBCExecutionFactory

Throws:

SQLException

executeStoredProcedure

public ResultSet executeStoredProcedure(CallableStatement statement,
                                        List<org.teiid.language.Argument> preparedValues,
                                        Class<?> returnType)
                                 throws SQLException

Description copied from class: JDBCExecutionFactory

This is a generic implementation. Because different databases handle stored procedures differently, subclasses should override this method if necessary.

Overrides:

executeStoredProcedure in class JDBCExecutionFactory

Throws:

SQLException

supportsOnlyFormatLiterals

public boolean supportsOnlyFormatLiterals()

Overrides:

supportsOnlyFormatLiterals in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsFormatLiteral

public boolean supportsFormatLiteral(String literal,
                                     org.teiid.translator.ExecutionFactory.Format format)

Overrides:

supportsFormatLiteral in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsArrayType

public boolean supportsArrayType()

Overrides:

supportsArrayType in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

createMetadataProcessor

@Deprecated
protected JDBCMetadataProcessor createMetadataProcessor()

Deprecated.

Overrides:

createMetadataProcessor in class JDBCExecutionFactory

See Also:

getMetadataProcessor

getMetadataProcessor

public org.teiid.translator.MetadataProcessor<Connection> getMetadataProcessor()

Overrides:

getMetadataProcessor in class JDBCExecutionFactory

supportsCommonTableExpressions

public boolean supportsCommonTableExpressions()

Overrides:

supportsCommonTableExpressions in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsRecursiveCommonTableExpressions

public boolean supportsRecursiveCommonTableExpressions()

Overrides:

supportsRecursiveCommonTableExpressions in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsGeneratedKeys

protected boolean supportsGeneratedKeys(org.teiid.translator.ExecutionContext context,
                                        org.teiid.language.Command command)

Overrides:

supportsGeneratedKeys in class JDBCExecutionFactory

Returns:

true if generated keys can be returned

usesDatabaseVersion

protected boolean usesDatabaseVersion()

Overrides:

usesDatabaseVersion in class JDBCExecutionFactory

supportsSelectWithoutFrom

public boolean supportsSelectWithoutFrom()

Overrides:

supportsSelectWithoutFrom in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

createTempTable

public String createTempTable(String string,
                              List<org.teiid.language.ColumnReference> cols,
                              org.teiid.translator.ExecutionContext context,
                              Connection connection)
                       throws SQLException

Description copied from class: JDBCExecutionFactory

Create a temp table with the given name prefix and columns

Overrides:

createTempTable in class JDBCExecutionFactory

Returns:

the name of the table created

Throws:

SQLException

getTemporaryTableName

public String getTemporaryTableName(String prefix)

uses a random table name strategy with a retry in the createTempTable(String, List, ExecutionContext, Connection) method

Overrides:

getTemporaryTableName in class JDBCExecutionFactory

Returns:

a valid temporary table name

getCreateTemporaryTablePostfix

public String getCreateTemporaryTablePostfix(boolean inTransaction)

Overrides:

getCreateTemporaryTablePostfix in class JDBCExecutionFactory

Returns:

the post script for the temp table create

getCreateTemporaryTableString

public String getCreateTemporaryTableString(boolean inTransaction)

Overrides:

getCreateTemporaryTableString in class JDBCExecutionFactory

Returns:

the temp table creation ddl

getHibernateDialectClassName

public String getHibernateDialectClassName()

Overrides:

getHibernateDialectClassName in class JDBCExecutionFactory

supportsGroupByRollup

public boolean supportsGroupByRollup()

Overrides:

supportsGroupByRollup in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

translateGeometrySelect

public org.teiid.language.Expression translateGeometrySelect(org.teiid.language.Expression expr)

Description copied from class: JDBCExecutionFactory

Translate GEOMETRY column reference into an expression that will return SRID & WKB.

Overrides:

translateGeometrySelect in class JDBCExecutionFactory

Returns:

retrieveGeometryValue

public Object retrieveGeometryValue(ResultSet results,
                                    int paramIndex)
                             throws SQLException

Overrides:

retrieveGeometryValue in class JDBCExecutionFactory

Throws:

SQLException

intializeConnectionAfterCancel

public void intializeConnectionAfterCancel(Connection c)
                                    throws SQLException

Description copied from class: JDBCExecutionFactory

Implemented if the Connection needs initialized after a statement cancel

Overrides:

intializeConnectionAfterCancel in class JDBCExecutionFactory

Throws:

SQLException

supportsCorrelatedSubqueryLimit

public boolean supportsCorrelatedSubqueryLimit()

Overrides:

supportsCorrelatedSubqueryLimit in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

useColumnNamesForGeneratedKeys

public boolean useColumnNamesForGeneratedKeys()

Overrides:

useColumnNamesForGeneratedKeys in class JDBCExecutionFactory

Returns:

true if column names are required to retrieve generated keys

translateLiteralBinaryType

public String translateLiteralBinaryType(BinaryType obj)

Description copied from class: JDBCExecutionFactory

Subclasses should override this method to provide a different sql translation of the literal varbinary value. By default, a varbinary literal is represented as: X'hex value'

Overrides:

translateLiteralBinaryType in class JDBCExecutionFactory

Parameters:

obj - value, never null

Returns:

Translated string

supportsSubqueryInOn

public boolean supportsSubqueryInOn()

Overrides:

supportsSubqueryInOn in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsConvert

public boolean supportsConvert(int fromType,
                               int toType)

Overrides:

supportsConvert in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

supportsBooleanExpressions

protected boolean supportsBooleanExpressions()

Description copied from class: JDBCExecutionFactory

if boolean expressions are directly supported. will generally be false if there is no boolean datatype

Overrides:

supportsBooleanExpressions in class JDBCExecutionFactory

Returns:

supportsSelectExpressionArrayType

public boolean supportsSelectExpressionArrayType()

Overrides:

supportsSelectExpressionArrayType in class org.teiid.translator.ExecutionFactory<DataSource,Connection>

translate

public List<?> translate(org.teiid.language.LanguageObject obj,
                         org.teiid.translator.ExecutionContext context)

Description copied from class: JDBCExecutionFactory

Return a List of translated parts (LanguageObjects and Objects), or null if to rely on the default translation. Override with care.

Overrides:

translate in class JDBCExecutionFactory

Returns:

list of translated parts

useUnicodePrefix

public boolean useUnicodePrefix()

Overrides:

useUnicodePrefix in class JDBCExecutionFactory

Returns:

true if the N prefix should be used for strings containing non-ascii characters

isNonAsciiFunction

protected boolean isNonAsciiFunction(org.teiid.language.Function f)

Overrides:

isNonAsciiFunction in class JDBCExecutionFactory

Returns:

true if the function is a conversion function to a non-ascii string type An implementation is not required if no such function exists, or the source can handle unicode string using the standard types.