*$__time(dateColumn)* | Will be replaced by an expression to rename the column to *time*. For example, *dateColumn as time*
*$__timeEpoch(dateColumn)* | Will be replaced by an expression to convert a DATETIME column type to unix timestamp and rename it to *time*. <br/>For example, *DATEDIFF(second, '1970-01-01', dateColumn) AS time*
*$__timeFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name. <br/>For example, *dateColumn >= DATEADD(s, 1494410783, '1970-01-01') AND dateColumn <= DATEADD(s, 1494410783, '1970-01-01')*
*$__timeFrom()* | Will be replaced by the start of the currently active time selection. For example, *DATEADD(second, 1494410783, '1970-01-01')*
*$__timeTo()* | Will be replaced by the end of the currently active time selection. For example, *DATEADD(second, 1494410783, '1970-01-01')*
*$__timeFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name. <br/>For example, *dateColumn BETWEEN '2017-04-21T05:01:17Z' AND '2017-04-21T05:06:17Z'*
*$__timeFrom()* | Will be replaced by the start of the currently active time selection. For example, *'2017-04-21T05:01:17Z'*
*$__timeTo()* | Will be replaced by the end of the currently active time selection. For example, *'2017-04-21T05:06:17Z'*
*$__timeGroup(dateColumn,'5m'[, fillvalue])* | Will be replaced by an expression usable in GROUP BY clause. Providing a *fillValue* of *NULL* or *floating value* will automatically fill empty series in timerange with that value. <br/>For example, *CAST(ROUND(DATEDIFF(second, '1970-01-01', time_column)/300.0, 0) as bigint)\*300*.
*$__timeGroup(dateColumn,'5m', 0)* | Same as above but with a fill parameter so all null values will be converted to the fill value (all null values would be set to zero using this example).
*$__unixEpochFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name with times represented as unix timestamp. For example, *dateColumn > 1494410783 AND dateColumn < 1494497183*
*$__time(dateColumn)* | Will be replaced by an expression to convert to a UNIX timestamp and rename the column to `time_sec`. For example, *UNIX_TIMESTAMP(dateColumn) as time_sec*
*$__timeEpoch(dateColumn)* | Will be replaced by an expression to convert to a UNIX timestamp and rename the column to `time_sec`. For example, *UNIX_TIMESTAMP(dateColumn) as time_sec*
*$__timeFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name. For example, *dateColumn > FROM_UNIXTIME(1494410783) AND dateColumn < FROM_UNIXTIME(1494497183)*
*$__timeFrom()* | Will be replaced by the start of the currently active time selection. For example, *FROM_UNIXTIME(1494410783)*
*$__timeTo()* | Will be replaced by the end of the currently active time selection. For example, *FROM_UNIXTIME(1494497183)*
*$__timeFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name. For example, *dateColumn BETWEEN '2017-04-21T05:01:17Z' AND '2017-04-21T05:06:17Z'*
*$__timeFrom()* | Will be replaced by the start of the currently active time selection. For example, *'2017-04-21T05:01:17Z'*
*$__timeTo()* | Will be replaced by the end of the currently active time selection. For example, *'2017-04-21T05:06:17Z'*
*$__timeGroup(dateColumn,'5m')* | Will be replaced by an expression usable in GROUP BY clause. For example, *cast(cast(UNIX_TIMESTAMP(dateColumn)/(300) as signed)*300 as signed),*
*$__timeGroup(dateColumn,'5m',0)* | Same as above but with a fill parameter so all null values will be converted to the fill value (all null values would be set to zero using this example).
*$__unixEpochFilter(dateColumn)* | Will be replaced by a time range filter using the specified column name with times represented as unix timestamp. For example, *dateColumn > 1494410783 AND dateColumn < 1494497183*
