Package io.debezium.connector.jdbc.dialect.oracle

Class OracleDatabaseDialect

java.lang.Object

io.debezium.connector.jdbc.dialect.GeneralDatabaseDialect

io.debezium.connector.jdbc.dialect.oracle.OracleDatabaseDialect

All Implemented Interfaces:

DatabaseDialect

public class OracleDatabaseDialect
extends GeneralDatabaseDialect

A DatabaseDialect implementation for Oracle.

Author:

Chris Cranford

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OracleDatabaseDialect.OracleDatabaseDialectProvider

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	TO_DATE
private static final String	TO_TIMESTAMP_FF6
private static final String	TO_TIMESTAMP_FF9
private static final String	TO_TIMESTAMP_FF9_TZ

Constructor Summary

Constructors

Modifier	Constructor	Description
private	OracleDatabaseDialect(JdbcSinkConnectorConfig config, org.hibernate.SessionFactory sessionFactory)

Method Summary

Modifier and Type	Method	Description
protected Optional<String>	getDatabaseTimeZoneQuery()
protected String	getDatabaseTimeZoneQueryResult(ResultSet rs)
String	getFormattedDate(TemporalAccessor value)	Format a date.
String	getFormattedDateTime(TemporalAccessor value)	Format a date and time.
String	getFormattedTime(TemporalAccessor value)	Format a time.
String	getFormattedTimestamp(TemporalAccessor value)	Format a timestamp.
String	getFormattedTimestampWithTimeZone(String value)	Format a timestamp with time zone.
int	getMaxNVarcharLengthInKey()	Gets the maximum length of a nationalized VARCHAR field in a primary key column.
int	getMaxVarcharLengthInKey()	Gets the maximum length of a VARCHAR field in a primary key column.
private String	getUpsertIncomingClause(String fieldName, TableDescriptor table, SinkRecordDescriptor record)
String	getUpsertStatement(TableDescriptor table, SinkRecordDescriptor record)	Construct a UPSERT statement specific for this dialect.
protected boolean	isIdentifierUppercaseWhenNotQuoted()
boolean	isNegativeScaleAllowed()	Returns whether the dialect permits negative scale.
protected void	registerTypes()
protected String	resolveColumnNameFromField(String fieldName)

Methods inherited from class io.debezium.connector.jdbc.dialect.GeneralDatabaseDialect

addColumnDefaultValue, bindValue, columnNameFromField, columnNameFromField, columnQueryBindingFromField, getAlterTableColumnDelimiter, getAlterTableColumnPrefix, getAlterTableColumnSuffix, getAlterTablePrefix, getAlterTableStatement, getAlterTableSuffix, getByteArrayFormat, getColumnNamingStrategy, getConfig, getCreateTableStatement, getDatabaseTimeZone, getDatabaseVersion, getDefaultDecimalPrecision, getDefaultTimestampPrecision, getDeleteStatement, getFormattedBoolean, getFormattedDateTimeWithNanos, getFormattedTimeWithTimeZone, getIdentifierHelper, getInsertStatement, getMaxVarbinaryLength, getQualifiedTableName, getQueryBindingWithValueCast, getSchemaType, getTableId, getTruncateStatement, getTypeName, getTypeName, getTypeName, getUpdateStatement, getVersion, isTimeZoneSet, readTable, registerType, resolveColumnName, resolveMissingFields, shouldBindTimeWithTimeZoneAsDatabaseTimeZone, tableExists, toIdentifier, toIdentifier

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.connector.jdbc.dialect.DatabaseDialect

getMaxTimePrecision, getMaxTimestampPrecision, getTimeQueryBinding

Field Details

TO_DATE

private static final String TO_DATE

See Also:

• Constant Field Values

TO_TIMESTAMP_FF9

private static final String TO_TIMESTAMP_FF9

See Also:

• Constant Field Values

TO_TIMESTAMP_FF6

private static final String TO_TIMESTAMP_FF6

See Also:

• Constant Field Values

TO_TIMESTAMP_FF9_TZ

private static final String TO_TIMESTAMP_FF9_TZ

See Also:

• Constant Field Values

Constructor Details

OracleDatabaseDialect

private OracleDatabaseDialect(JdbcSinkConnectorConfig config,
 org.hibernate.SessionFactory sessionFactory)

Method Details

getDatabaseTimeZoneQuery

protected Optional<String> getDatabaseTimeZoneQuery()

Overrides:

getDatabaseTimeZoneQuery in class GeneralDatabaseDialect

getDatabaseTimeZoneQueryResult

protected String getDatabaseTimeZoneQueryResult(ResultSet rs)
                                         throws SQLException

Overrides:

getDatabaseTimeZoneQueryResult in class GeneralDatabaseDialect

Throws:

SQLException

registerTypes

protected void registerTypes()

Overrides:

registerTypes in class GeneralDatabaseDialect

getMaxVarcharLengthInKey

public int getMaxVarcharLengthInKey()

Description copied from interface: DatabaseDialect

Gets the maximum length of a VARCHAR field in a primary key column.

Specified by:

getMaxVarcharLengthInKey in interface DatabaseDialect

Overrides:

getMaxVarcharLengthInKey in class GeneralDatabaseDialect

Returns:

maximum varchar field length when participating in the primary key

getMaxNVarcharLengthInKey

public int getMaxNVarcharLengthInKey()

Description copied from interface: DatabaseDialect

Gets the maximum length of a nationalized VARCHAR field in a primary key column.

Specified by:

getMaxNVarcharLengthInKey in interface DatabaseDialect

Overrides:

getMaxNVarcharLengthInKey in class GeneralDatabaseDialect

Returns:

maximum varchar field length when participating in the primary key

isNegativeScaleAllowed

public boolean isNegativeScaleAllowed()

Description copied from interface: DatabaseDialect

Returns whether the dialect permits negative scale.

Specified by:

isNegativeScaleAllowed in interface DatabaseDialect

Overrides:

isNegativeScaleAllowed in class GeneralDatabaseDialect

Returns:

true if the dialect permits using negative scale values

getUpsertStatement

public String getUpsertStatement(TableDescriptor table,
 SinkRecordDescriptor record)

Description copied from interface: DatabaseDialect

Construct a UPSERT statement specific for this dialect.

Specified by:

getUpsertStatement in interface DatabaseDialect

Overrides:

getUpsertStatement in class GeneralDatabaseDialect

Parameters:

table - the current relational table model, should not be null

record - the current sink record being processed, should not be null

Returns:

the upsert SQL statement to be executed, never null

isIdentifierUppercaseWhenNotQuoted

protected boolean isIdentifierUppercaseWhenNotQuoted()

Overrides:

isIdentifierUppercaseWhenNotQuoted in class GeneralDatabaseDialect

getFormattedDate

public String getFormattedDate(TemporalAccessor value)

Description copied from interface: DatabaseDialect

Format a date.

Specified by:

getFormattedDate in interface DatabaseDialect

Overrides:

getFormattedDate in class GeneralDatabaseDialect

Parameters:

value - the value to tbe formatted, never null

Returns:

the formatted string value

getFormattedTime

public String getFormattedTime(TemporalAccessor value)

Description copied from interface: DatabaseDialect

Format a time.

Specified by:

getFormattedTime in interface DatabaseDialect

Overrides:

getFormattedTime in class GeneralDatabaseDialect

Parameters:

value - the value to be formatted, never null

Returns:

the formatted string value

getFormattedDateTime

public String getFormattedDateTime(TemporalAccessor value)

Description copied from interface: DatabaseDialect

Format a date and time.

Specified by:

getFormattedDateTime in interface DatabaseDialect

Overrides:

getFormattedDateTime in class GeneralDatabaseDialect

Parameters:

value - the value to be formatted, never null

Returns:

the formatted string value

getFormattedTimestamp

public String getFormattedTimestamp(TemporalAccessor value)

Description copied from interface: DatabaseDialect

Format a timestamp.

Specified by:

getFormattedTimestamp in interface DatabaseDialect

Overrides:

getFormattedTimestamp in class GeneralDatabaseDialect

Parameters:

value - the value to be formatted, never null

Returns:

the formatted string value

getFormattedTimestampWithTimeZone

public String getFormattedTimestampWithTimeZone(String value)

Description copied from interface: DatabaseDialect

Format a timestamp with time zone.

Specified by:

getFormattedTimestampWithTimeZone in interface DatabaseDialect

Overrides:

getFormattedTimestampWithTimeZone in class GeneralDatabaseDialect

Parameters:

value - the value to be formatted, never null

Returns:

the formatted string value.

resolveColumnNameFromField

protected String resolveColumnNameFromField(String fieldName)

Overrides:

resolveColumnNameFromField in class GeneralDatabaseDialect

getUpsertIncomingClause

private String getUpsertIncomingClause(String fieldName,
 TableDescriptor table,
 SinkRecordDescriptor record)