Package io.github.andreyzebin.gitSql.sql

Class TimeSeriesQuery

java.lang.Object

io.github.andreyzebin.gitSql.sql.PersistedIndex

io.github.andreyzebin.gitSql.sql.TimeSeriesQuery

All Implemented Interfaces:

JdbcView, AutoCloseable

public final class TimeSeriesQuery
extends PersistedIndex

Field Summary

Fields

Modifier and Type	Field	Description
static final String	COLUMN_NAME_HASH
static final String	COLUMN_NAME_ORIGIN
static final String	COLUMN_NAME_POINT

Fields inherited from class io.github.andreyzebin.gitSql.sql.PersistedIndex

lastStore, schemaCreated

Constructor Summary

Constructors

Constructor	Description
TimeSeriesQuery(String sql, VersionedFiles dataSetVersions, Instant from, Instant to, BiFunction<? super VersionedFiles,Path,? extends JdbcView> indexer)	Query few samples from data set dataSetVersions with indexer indexers within given commit range (from;to) and merge to time series index.
TimeSeriesQuery(Collection<VersionedFiles> dataSetVersions, Instant from, Instant to, Map<String,Function<VersionedFiles,JdbcView>> indexers, Map<String,String> queries)

Method Summary

Modifier and Type	Method	Description
protected void	createSchema()
TimeSeriesQuery	drop()
protected void	reindex()

Methods inherited from class io.github.andreyzebin.gitSql.sql.PersistedIndex

close, getConnection, init, storeExists

Methods inherited from class java.lang.Object

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

Field Details

COLUMN_NAME_POINT

public static final String COLUMN_NAME_POINT

See Also:

• Constant Field Values

COLUMN_NAME_HASH

public static final String COLUMN_NAME_HASH

See Also:

• Constant Field Values

COLUMN_NAME_ORIGIN

public static final String COLUMN_NAME_ORIGIN

See Also:

• Constant Field Values

Constructor Details

TimeSeriesQuery

public TimeSeriesQuery(String sql,
 VersionedFiles dataSetVersions,
 Instant from,
 Instant to,
 BiFunction<? super VersionedFiles,Path,? extends JdbcView> indexer)

Query few samples from data set dataSetVersions with indexer indexers within given commit range (from;to) and merge to time series index. Provides a jdbc connection PersistedIndex.getConnection() to result index.

TimeSeriesQuery

public TimeSeriesQuery(Collection<VersionedFiles> dataSetVersions,
 Instant from,
 Instant to,
 Map<String,Function<VersionedFiles,JdbcView>> indexers,
 Map<String,String> queries)

Method Details

createSchema

protected void createSchema()
                     throws SQLException

Overrides:

createSchema in class PersistedIndex

Throws:

SQLException

reindex

protected void reindex()

Overrides:

reindex in class PersistedIndex

drop

public TimeSeriesQuery drop()

Specified by:

drop in interface JdbcView

Overrides:

drop in class PersistedIndex