Package org.apache.pinot.spi.utils

Class TimestampIndexUtils

java.lang.Object

org.apache.pinot.spi.utils.TimestampIndexUtils

public class TimestampIndexUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static void	applyTimestampIndex(TableConfig tableConfig, Schema schema)	Applies the TIMESTAMP index configured in the table config: - Adds the derived timestamp columns with granularity to the schema - Adds transform for the derived timestamp columns with granularity - Adds range index to the derived timestamp columns with granularity
static Set<String>	extractColumnsWithGranularity(TableConfig tableConfig)	Extracts all columns with granularity based on the TIMESTAMP index config.
static String	getColumnWithGranularity(String timestampColumn, String granularity)	Returns the column name with granularity, e.g.
static String	getColumnWithGranularity(String timestampColumn, TimestampIndexGranularity granularity)	Returns the column name with granularity, e.g.
static boolean	isValidColumnWithGranularity(String column)	Returns whether the given column nane is a column name with granularity.
static boolean	isValidGranularity(String granularity)	Returns whether the given string is a valid granularity.

Methods inherited from class java.lang.Object

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

Method Detail

getColumnWithGranularity

public static String getColumnWithGranularity(String timestampColumn,
                                              TimestampIndexGranularity granularity)

Returns the column name with granularity, e.g. $ts$DAY.

getColumnWithGranularity

public static String getColumnWithGranularity(String timestampColumn,
                                              String granularity)

Returns the column name with granularity, e.g. $ts$DAY.

isValidGranularity

public static boolean isValidGranularity(String granularity)

Returns whether the given string is a valid granularity.

isValidColumnWithGranularity

public static boolean isValidColumnWithGranularity(String column)

Returns whether the given column nane is a column name with granularity.

extractColumnsWithGranularity

public static Set<String> extractColumnsWithGranularity(TableConfig tableConfig)

Extracts all columns with granularity based on the TIMESTAMP index config.

applyTimestampIndex

public static void applyTimestampIndex(TableConfig tableConfig,
                                       Schema schema)

Applies the TIMESTAMP index configured in the table config: - Adds the derived timestamp columns with granularity to the schema - Adds transform for the derived timestamp columns with granularity - Adds range index to the derived timestamp columns with granularity