Package io.github.mfvanek.pg.checks.host

Class UnusedIndexesCheckOnHost

java.lang.Object

io.github.mfvanek.pg.checks.host.UnusedIndexesCheckOnHost

All Implemented Interfaces:

DatabaseCheckOnHost<UnusedIndex>, DiagnosticAware, RawTypeAware<UnusedIndex>, HostAware

public class UnusedIndexesCheckOnHost
extends Object

Check for unused indexes on a specific host.

Since:

0.6.0

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	BLOAT_PERCENTAGE
protected static final String	BLOAT_SIZE
protected static final String	INDEX_NAME
protected static final String	INDEX_SIZE
protected static final String	TABLE_NAME
protected static final String	TABLE_SIZE

Constructor Summary

Constructors

Constructor	Description
UnusedIndexesCheckOnHost(PgConnection pgConnection)

Method Summary

Modifier and Type	Method	Description
List<UnusedIndex>	check(PgContext pgContext)	Returns unused indexes in the specified schema.
protected List<UnusedIndex>	executeQuery(PgContext pgContext, ResultSetExtractor<UnusedIndex> rse)
Diagnostic	getDiagnostic()	Gets the diagnostic - a rule related to the check.
PgHost	getHost()	Gets information about host in the cluster.
Class<UnusedIndex>	getType()	Gets original java type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.github.mfvanek.pg.common.maintenance.DatabaseCheckOnHost

check

Field Details

TABLE_NAME

protected static final String TABLE_NAME

See Also:

• Constant Field Values

INDEX_NAME

protected static final String INDEX_NAME

See Also:

• Constant Field Values

TABLE_SIZE

protected static final String TABLE_SIZE

See Also:

• Constant Field Values

INDEX_SIZE

protected static final String INDEX_SIZE

See Also:

• Constant Field Values

BLOAT_SIZE

protected static final String BLOAT_SIZE

See Also:

• Constant Field Values

BLOAT_PERCENTAGE

protected static final String BLOAT_PERCENTAGE

See Also:

• Constant Field Values

Constructor Details

UnusedIndexesCheckOnHost

public UnusedIndexesCheckOnHost(@Nonnull
 PgConnection pgConnection)

Method Details

check

@Nonnull
public List<UnusedIndex> check(@Nonnull
 PgContext pgContext)

Returns unused indexes in the specified schema.

Parameters:

pgContext - check's context with the specified schema

Returns:

list of unused indexes

See Also:

• PgContext

getType

@Nonnull
public Class<UnusedIndex> getType()

Gets original java type.

Specified by:

getType in interface RawTypeAware<T extends TableNameAware>

Returns:

java type representing database object

getDiagnostic

@Nonnull
public Diagnostic getDiagnostic()

Gets the diagnostic - a rule related to the check.

Specified by:

getDiagnostic in interface DiagnosticAware

Returns:

diagnostic

See Also:

• Diagnostic

getHost

@Nonnull
public PgHost getHost()

Gets information about host in the cluster.

Specified by:

getHost in interface HostAware

Returns:

PgHost

See Also:

• PgHost

executeQuery

@Nonnull
protected List<UnusedIndex> executeQuery(@Nonnull
 PgContext pgContext,
 @Nonnull
 ResultSetExtractor<UnusedIndex> rse)