Package ru.curs.celesta.score

Class MaterializedView

java.lang.Object

ru.curs.celesta.score.NamedElement

ru.curs.celesta.score.GrainElement

ru.curs.celesta.score.DataGrainElement

ru.curs.celesta.score.AbstractView

ru.curs.celesta.score.MaterializedView

All Implemented Interfaces:

HasColumns, TableElement

public final class MaterializedView
extends AbstractView
implements TableElement

Materialized view data element.

Since:

2017-06-08

Author:

ioann

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHECKSUM_COMMENT_TEMPLATE	Checksum comment template.
static final String	SURROGATE_COUNT	System field name that contains result of COUNT().

Fields inherited from class ru.curs.celesta.score.NamedElement

MAX_IDENTIFIER_LENGTH

Fields inherited from interface ru.curs.celesta.score.TableElement

YOU_CANNOT_DROP_A_COLUMN_THAT_BELONGS_TO

Constructor Summary

Constructors

Constructor	Description
MaterializedView(GrainPart grainPart, String name)

Method Summary

Modifier and Type	Method	Description
void	addColumn(Column<?> column)	Adds a column to the table.
String	getChecksum()
Column<?>	getColumn(String colName)	Returns a column by its name or throws an exception with a message that the column is not found.
List<String>	getColumnRefNames()
Map<String,Column<?>>	getColumns()	Returns a map of columns of the view.
String	getGroupByPartOfScript()
String	getPkConstraintName()	Returns PK constraint name.
Map<String,Column<?>>	getPrimaryKey()	Returns unmodified map of primary key columns.
TableRef	getRefTable()
String	getSelectPartOfScript()
IntegerColumn	getSurrogateCount()
String	getTriggerName(TriggerType type)
boolean	hasPrimeKey()	Whether the table has primary key.
boolean	isGroupByColumn(String alias)
void	removeColumn(Column<?> column)	Removes a column from the table.

Methods inherited from class ru.curs.celesta.score.AbstractView

getAggregateColumns, getColumnIndex, getColumnRef, getSegments, selectScript

Methods inherited from class ru.curs.celesta.score.DataGrainElement

delete

Methods inherited from class ru.curs.celesta.score.GrainElement

getGrain, getGrainPart

Methods inherited from class ru.curs.celesta.score.NamedElement

equals, getCelestaDoc, getName, getQuotedName, getQuotedNameIfNeeded, hashCode, limitName, limitName, setCelestaDoc

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ru.curs.celesta.score.TableElement

getGrain, getName, getQuotedName, getQuotedNameIfNeeded

Field Details

SURROGATE_COUNT

public static final String SURROGATE_COUNT

System field name that contains result of COUNT().

See Also:

• Constant Field Values

CHECKSUM_COMMENT_TEMPLATE

public static final String CHECKSUM_COMMENT_TEMPLATE

Checksum comment template.

See Also:

• Constant Field Values

Constructor Details

MaterializedView

public MaterializedView(GrainPart grainPart,
 String name)
                 throws ParseException

Throws:

ParseException

Method Details

getSurrogateCount

public IntegerColumn getSurrogateCount()

getColumns

public Map<String,Column<?>> getColumns()

Description copied from class: AbstractView

Returns a map of columns of the view.

Specified by:

getColumns in interface HasColumns

Specified by:

getColumns in interface TableElement

Specified by:

getColumns in class AbstractView

Returns:

getColumnRefNames

public List<String> getColumnRefNames()

getColumn

public Column<?> getColumn(String colName)
                    throws ParseException

Description copied from interface: TableElement

Returns a column by its name or throws an exception with a message that the column is not found.

Specified by:

getColumn in interface TableElement

Parameters:

colName - column name

Returns:

Throws:

ParseException - if a column with the specified name is not found in the table

addColumn

public void addColumn(Column<?> column)
               throws ParseException

Description copied from interface: TableElement

Adds a column to the table.

Specified by:

addColumn in interface TableElement

Parameters:

column - new column

Throws:

ParseException - if the column couldn't be added

removeColumn

public void removeColumn(Column<?> column)
                  throws ParseException

Description copied from interface: TableElement

Removes a column from the table.

Specified by:

removeColumn in interface TableElement

Parameters:

column - existing column

Throws:

ParseException - if the column couldn't be removed

hasPrimeKey

public boolean hasPrimeKey()

Description copied from interface: TableElement

Whether the table has primary key.

Specified by:

hasPrimeKey in interface TableElement

Returns:

getPkConstraintName

public String getPkConstraintName()

Description copied from interface: TableElement

Returns PK constraint name.

Specified by:

getPkConstraintName in interface TableElement

Returns:

getPrimaryKey

public Map<String,Column<?>> getPrimaryKey()

Description copied from interface: TableElement

Returns unmodified map of primary key columns.

Specified by:

getPrimaryKey in interface TableElement

Returns:

map of column name -> column

getRefTable

public TableRef getRefTable()

isGroupByColumn

public boolean isGroupByColumn(String alias)

getSelectPartOfScript

public String getSelectPartOfScript()

getGroupByPartOfScript

public String getGroupByPartOfScript()

getChecksum

public String getChecksum()

getTriggerName

public String getTriggerName(TriggerType type)