Package io.debezium.connector.jdbc.dialect.db2

Class Db2DatabaseDialect

java.lang.Object

io.debezium.connector.jdbc.dialect.GeneralDatabaseDialect

io.debezium.connector.jdbc.dialect.db2.Db2DatabaseDialect

All Implemented Interfaces:

DatabaseDialect

public class Db2DatabaseDialect
extends GeneralDatabaseDialect

A DatabaseDialect implementation for Db2.

Author:

Chris Cranford

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Db2DatabaseDialect.Db2DatabaseProvider

Field Summary

Fields

Modifier and Type	Field	Description
private static final DateTimeFormatter	ISO_LOCAL_DATE_TIME_WITH_SPACE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Db2DatabaseDialect(JdbcSinkConnectorConfig config, org.hibernate.SessionFactory sessionFactory)

Method Summary

Modifier and Type	Method	Description
protected void	addColumnDefaultValue(SinkRecordDescriptor.FieldDescriptor field, StringBuilder columnSpec)
String	getAlterTableColumnDelimiter()	Gets the field delimiter used when constructing ALTER TABLE statements.
String	getAlterTableColumnPrefix()	Gets the prefix used before adding each column-clause to ALTER TABLE statements.
String	getAlterTablePrefix()	Gets the prefix used before adding column-clauses in ALTER TABLE statements.
String	getAlterTableSuffix()	Gets the suffix used after adding the column-clauses in ALTER TABLE statements.
protected Optional<String>	getDatabaseTimeZoneQuery()
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	getMergeDatClause(String fieldName, TableDescriptor table, SinkRecordDescriptor record)
String	getTruncateStatement(TableDescriptor table)	Construct a TRUNCATE statement specific for this dialect.
String	getUpsertStatement(TableDescriptor table, SinkRecordDescriptor record)	Construct a UPSERT statement specific for this dialect.
protected boolean	isIdentifierUppercaseWhenNotQuoted()
protected void	registerTypes()
protected String	resolveColumnNameFromField(String fieldName)

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

bindValue, columnNameFromField, columnNameFromField, columnQueryBindingFromField, getAlterTableColumnSuffix, getAlterTableStatement, getByteArrayFormat, getColumnNamingStrategy, getConfig, getCreateTableStatement, getDatabaseTimeZone, getDatabaseTimeZoneQueryResult, getDatabaseVersion, getDefaultDecimalPrecision, getDefaultTimestampPrecision, getDeleteStatement, getFormattedBoolean, getFormattedDate, getFormattedDateTimeWithNanos, getFormattedTimeWithTimeZone, getIdentifierHelper, getInsertStatement, getMaxVarbinaryLength, getQualifiedTableName, getQueryBindingWithValueCast, getSchemaType, getTableId, getTypeName, getTypeName, getTypeName, getUpdateStatement, getVersion, isNegativeScaleAllowed, 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

ISO_LOCAL_DATE_TIME_WITH_SPACE

private static final DateTimeFormatter ISO_LOCAL_DATE_TIME_WITH_SPACE

Constructor Details

Db2DatabaseDialect

private Db2DatabaseDialect(JdbcSinkConnectorConfig config,
 org.hibernate.SessionFactory sessionFactory)

Method Details

getDatabaseTimeZoneQuery

protected Optional<String> getDatabaseTimeZoneQuery()

Overrides:

getDatabaseTimeZoneQuery in class GeneralDatabaseDialect

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

getAlterTablePrefix

public String getAlterTablePrefix()

Description copied from interface: DatabaseDialect

Gets the prefix used before adding column-clauses in ALTER TABLE statements.

Specified by:

getAlterTablePrefix in interface DatabaseDialect

Overrides:

getAlterTablePrefix in class GeneralDatabaseDialect

Returns:

the alter table column-clauses prefix

getAlterTableSuffix

public String getAlterTableSuffix()

Description copied from interface: DatabaseDialect

Gets the suffix used after adding the column-clauses in ALTER TABLE statements.

Specified by:

getAlterTableSuffix in interface DatabaseDialect

Overrides:

getAlterTableSuffix in class GeneralDatabaseDialect

Returns:

the alter table column-clauses suffix

getAlterTableColumnPrefix

public String getAlterTableColumnPrefix()

Description copied from interface: DatabaseDialect

Gets the prefix used before adding each column-clause to ALTER TABLE statements.

Specified by:

getAlterTableColumnPrefix in interface DatabaseDialect

Overrides:

getAlterTableColumnPrefix in class GeneralDatabaseDialect

Returns:

the alter table prefix just before each column-clause

getAlterTableColumnDelimiter

public String getAlterTableColumnDelimiter()

Description copied from interface: DatabaseDialect

Gets the field delimiter used when constructing ALTER TABLE statements.

Specified by:

getAlterTableColumnDelimiter in interface DatabaseDialect

Overrides:

getAlterTableColumnDelimiter in class GeneralDatabaseDialect

Returns:

the field delimiter for alter table SQL statement

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

getMergeDatClause

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

addColumnDefaultValue

protected void addColumnDefaultValue(SinkRecordDescriptor.FieldDescriptor field,
 StringBuilder columnSpec)

Overrides:

addColumnDefaultValue in class GeneralDatabaseDialect

isIdentifierUppercaseWhenNotQuoted

protected boolean isIdentifierUppercaseWhenNotQuoted()

Overrides:

isIdentifierUppercaseWhenNotQuoted in class GeneralDatabaseDialect

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

getTruncateStatement

public String getTruncateStatement(TableDescriptor table)

Description copied from interface: DatabaseDialect

Construct a TRUNCATE statement specific for this dialect.

Specified by:

getTruncateStatement in interface DatabaseDialect

Overrides:

getTruncateStatement in class GeneralDatabaseDialect

Parameters:

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

Returns:

the truncate SQL statement to be executed, never null