Package org.eclipse.dirigible.database.sql.dialects

Class DefaultSqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

java.lang.Object

org.eclipse.dirigible.database.sql.dialects.DefaultSqlDialect<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>

Type Parameters:

SELECT - the generic type

INSERT - the generic type

UPDATE - the generic type

DELETE - the generic type

CREATE - the generic type

ALTER - the generic type

DROP - the generic type

NEXT - the generic type

LAST - the generic type

All Implemented Interfaces:

ISqlDialect<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>, ISqlFactory<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>, ISqlKeywords

public class DefaultSqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>
extends Object
implements ISqlDialect<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>

The Default SQL Dialect.

Field Summary

Fields

Modifier and Type	Field	Description
static Set<String>	FUNCTIONS	The Constant FUNCTIONS.

Fields inherited from interface org.eclipse.dirigible.database.sql.ISqlKeywords

ALTER, CLOSE, COMMA, EQUALS, FUNCTION_CURRENT_DATE, FUNCTION_CURRENT_TIME, FUNCTION_CURRENT_TIMESTAMP, KEYWORD_ADD, KEYWORD_ALTER, KEYWORD_AND, KEYWORD_AS, KEYWORD_ASC, KEYWORD_CHECK, KEYWORD_COLUMN, KEYWORD_COLUMNSTORE, KEYWORD_CONSTRAINT, KEYWORD_CREATE, KEYWORD_DATA, KEYWORD_DATABASE_DROP_RESTRICT, KEYWORD_DELETE, KEYWORD_DESC, KEYWORD_DISTINCT, KEYWORD_DROP, KEYWORD_FETCH, KEYWORD_FOR, KEYWORD_FOR_UPDATE, KEYWORD_FOREIGN, KEYWORD_FROM, KEYWORD_FULL, KEYWORD_GLOBAL_TEMPORARY, KEYWORD_GLOBAL_TEMPORARY_COLUMN, KEYWORD_GROUP_BY, KEYWORD_HAVING, KEYWORD_IDENTITY, KEYWORD_INDEX, KEYWORD_INNER, KEYWORD_INSERT, KEYWORD_INTO, KEYWORD_JOIN, KEYWORD_KEY, KEYWORD_LEFT, KEYWORD_LIKE, KEYWORD_LIMIT, KEYWORD_NEXT, KEYWORD_NEXT_VALUE_FOR, KEYWORD_NO, KEYWORD_NOT, KEYWORD_NULL, KEYWORD_OFFSET, KEYWORD_ON, KEYWORD_ONLY, KEYWORD_OR, KEYWORD_ORDER_BY, KEYWORD_OUTER, KEYWORD_PRIMARY, KEYWORD_PUBLIC, KEYWORD_REFERENCES, KEYWORD_RIGHT, KEYWORD_ROW, KEYWORD_ROWS, KEYWORD_ROWSTORE, KEYWORD_SCHEMA, KEYWORD_SELECT, KEYWORD_SEQUENCE, KEYWORD_SEQUENCE_CYCLE, KEYWORD_SEQUENCE_EMPTY_STRING_FOR_BOOLEAN_TYPES, KEYWORD_SEQUENCE_INCREMENT_BY, KEYWORD_SEQUENCE_MAXVALUE, KEYWORD_SEQUENCE_MINVALUE, KEYWORD_SEQUENCE_NO_MAXVALUE, KEYWORD_SEQUENCE_NO_MINVALUE, KEYWORD_SEQUENCE_RESET_BY, KEYWORD_SEQUENCE_RESTART_WITH, KEYWORD_SEQUENCE_START_WITH, KEYWORD_SET, KEYWORD_START, KEYWORD_SYNONYM, KEYWORD_TABLE, KEYWORD_TABLE_TYPE, KEYWORD_UNION, KEYWORD_UNIQUE, KEYWORD_UPDATE, KEYWORD_VALUES, KEYWORD_VIEW, KEYWORD_WHERE, KEYWORD_WITH, METADATA_ALIAS, METADATA_BASE_TABLE, METADATA_CALC_VIEW, METADATA_GLOBAL_TEMPORARY, METADATA_GLOBAL_TEMPORARY_COLUMN, METADATA_LOCAL_TEMPORARY, METADATA_SYNONYM, METADATA_SYSTEM_TABLE, METADATA_TABLE, METADATA_TABLE_TYPES, METADATA_VIEW, OPEN, QUESTION, SEMICOLON, SPACE, STAR, TABLE, UNDERSCROE

Constructor Summary

Constructors

Constructor	Description
DefaultSqlDialect()

Method Summary

Modifier and Type	Method	Description
ALTER	alter()	Alter.
int	count(Connection connection, String table)	Count.
CREATE	create()	Creates the.
DELETE	delete()	Delete.
DROP	drop()	Drop.
boolean	exists(Connection connection, String table)	Exists.
boolean	exists(Connection connection, String table, int type)	Exists.
boolean	exists(Connection connection, String schema, String table, int type)	Exists.
ExpressionBuilder	expression()	Expression.
String	functionCurrentDate()	Function current date.
String	functionCurrentTime()	Function current time.
String	functionCurrentTimestamp()	Function current timestamp.
String	getDatabaseName(Connection connection)	Gets the database name.
String	getDataTypeName(DataType dataType)	Gets the data type name.
String	getEscapeSymbol()	Gets the escape symbol.
Set<String>	getFunctionsNames()	Gets the functions names.
String	getFuzzySearchIndex()	Gets the fuzzy search index.
String	getIdentityArgument()	Gets the identity argument.
String	getNotNullArgument()	Gets the not null argument.
String	getPrimaryKeyArgument()	Gets the primary key argument.
String	getSchemaFilterScript()	Gets the schema filter script.
String	getUniqueArgument()	Gets the unique argument.
INSERT	insert()	Insert.
boolean	isCatalogForSchema()	Checks if is catalog for schema.
boolean	isSchemaFilterSupported()	Checks if is schema filter supported.
boolean	isSequenceSupported()	Checks if is sequence supported.
boolean	isSynonymSupported()	Checks if is synonym supported.
LAST	lastval(String... args)	Lastval.
NEXT	nextval(String sequence)	Nextval.
static String	normalizeTableName(String table)	Normalize table name.
SELECT	select()	Select.
UPDATE	update()	Update.

Methods inherited from class java.lang.Object

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

Field Details

FUNCTIONS

public static final Set<String> FUNCTIONS

The Constant FUNCTIONS.

Constructor Details

DefaultSqlDialect

public DefaultSqlDialect()

Method Details

select

public SELECT select()

Select.

Specified by:

select in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the select

insert

public INSERT insert()

Insert.

Specified by:

insert in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the insert

update

public UPDATE update()

Update.

Specified by:

update in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the update

delete

public DELETE delete()

Delete.

Specified by:

delete in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the delete

expression

public ExpressionBuilder expression()

Expression.

Specified by:

expression in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the expression builder

create

public CREATE create()

Creates the.

Specified by:

create in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the creates the

alter

public ALTER alter()

Alter.

Specified by:

alter in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the alter

drop

public DROP drop()

Drop.

Specified by:

drop in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the drop

nextval

public NEXT nextval(String sequence)

Nextval.

Specified by:

nextval in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

sequence - the sequence

Returns:

the next

getDataTypeName

public String getDataTypeName(DataType dataType)

Gets the data type name.

Specified by:

getDataTypeName in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

dataType - the data type

Returns:

the data type name

getPrimaryKeyArgument

public String getPrimaryKeyArgument()

Gets the primary key argument.

Specified by:

getPrimaryKeyArgument in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the primary key argument

getIdentityArgument

public String getIdentityArgument()

Gets the identity argument.

Specified by:

getIdentityArgument in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the identity argument

getNotNullArgument

public String getNotNullArgument()

Gets the not null argument.

Specified by:

getNotNullArgument in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the not null argument

getUniqueArgument

public String getUniqueArgument()

Gets the unique argument.

Specified by:

getUniqueArgument in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the unique argument

exists

public boolean exists(Connection connection, String table) throws SQLException

Exists.

Specified by:

exists in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Specified by:

exists in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

connection - the connection

table - the table

Returns:

true, if successful

Throws:

SQLException - the SQL exception

exists

public boolean exists(Connection connection, String table, int type) throws SQLException

Exists.

Specified by:

exists in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Specified by:

exists in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

connection - the connection

table - the table

type - the type

Returns:

true, if successful

Throws:

SQLException - the SQL exception

exists

public boolean exists(Connection connection, String schema, String table, int type) throws SQLException

Exists.

Specified by:

exists in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

connection - the connection

schema - the schema

table - the table

type - the type

Returns:

true, if successful

Throws:

SQLException - the SQL exception

normalizeTableName

public static String normalizeTableName(String table)

Normalize table name.

Parameters:

table - the table

Returns:

the string

count

public int count(Connection connection, String table) throws SQLException

Count.

Specified by:

count in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Specified by:

count in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

connection - the connection

table - the table

Returns:

the int

Throws:

SQLException - the SQL exception

isSchemaFilterSupported

public boolean isSchemaFilterSupported()

Checks if is schema filter supported.

Specified by:

isSchemaFilterSupported in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

true, if is schema filter supported

getSchemaFilterScript

public String getSchemaFilterScript()

Gets the schema filter script.

Specified by:

getSchemaFilterScript in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the schema filter script

isCatalogForSchema

public boolean isCatalogForSchema()

Checks if is catalog for schema.

Specified by:

isCatalogForSchema in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

true, if is catalog for schema

functionCurrentDate

public String functionCurrentDate()

Function current date.

Specified by:

functionCurrentDate in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the string

functionCurrentTime

public String functionCurrentTime()

Function current time.

Specified by:

functionCurrentTime in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the string

functionCurrentTimestamp

public String functionCurrentTimestamp()

Function current timestamp.

Specified by:

functionCurrentTimestamp in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the string

lastval

public LAST lastval(String... args)

Lastval.

Specified by:

lastval in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

args - the args

Returns:

the last

isSequenceSupported

public boolean isSequenceSupported()

Checks if is sequence supported.

Specified by:

isSequenceSupported in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

true, if is sequence supported

getDatabaseName

public String getDatabaseName(Connection connection)

Gets the database name.

Specified by:

getDatabaseName in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Parameters:

connection - the connection

Returns:

the database name

isSynonymSupported

public boolean isSynonymSupported()

Checks if is synonym supported.

Specified by:

isSynonymSupported in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

true, if is synonym supported

getFunctionsNames

public Set<String> getFunctionsNames()

Gets the functions names.

Specified by:

getFunctionsNames in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the functions names

getFuzzySearchIndex

public String getFuzzySearchIndex()

Gets the fuzzy search index.

Specified by:

getFuzzySearchIndex in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the fuzzy search index

getEscapeSymbol

public String getEscapeSymbol()

Gets the escape symbol.

Specified by:

getEscapeSymbol in interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>

Returns:

the escape symbol