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# Ranges

The `Ranges` parameter allows you to define ranges of values to use in the parametric results.

By default, IDOL Server uses parametric ranges when FieldName specifies a ParametricRangeType field, and it automatically calculates the appropriate values for ranges, according to the value of the Ranges configuration parameter. The `Ranges` action parameter allows you to specify the exact ranges to use, and allows you to create ranges for fields that are not configured as ParametricRangeType.

You can use `Ranges` to specify a numeric range or a date range, by using the `FIXED` and `FIXEDDATE` operators respectively:

These operators use the format:

    Ranges=FIXED{RangeSpecifiers}:FieldNames

or

    Ranges=FIXEDDATE{RangeSpecifiers}:FieldNames

where,

`RangeSpecifiers` | is a comma-separated list of the boundaries of the ranges that you want to use. You must specify at least two values, in increasing numeric or date order. You can use a period (`.`) as the first or last element in the list, to specify open-ended ranges. The ranges are lower bound inclusive, and upper bound exclusive. For example, if you specify `{0,5,10}` as your ranges, the ranges are 0-5 and 5-10, and the value 5 is included in the 5-10 range. For numeric values in the `FIXED` operator, you can use scientific notation to specify values, by using an E (for example, `1E6` is 1,000,000). For date values in the `FIXEDDATE` operator, you can use the same date formats as the MaxDate and MinDate action parameters. See Allowed Date Formats.
`FieldNames` | is the name of one or more fields that you want to return the range values for. You must also list these fields in the FieldName parameter. Separate multiple field names with colons (`:`). For the `FIXED` operator, the field can be any ParametricType or NumericType field, a metadata field, or a field created in the UserMetaFields parameter. For the `FIXEDDATE` operator, the field can also be DateType or NumericDateType. You can also use fields that are not configured as one of these types if you set AllowNonParametricFields to `True`. You can use Wildcards to specify normal fields, but you must explicitly list any user metafields.

To specify multiple range sets for different fields, separate each group with a plus symbol.

NOTE:

If you specify multiple range groups, and the same field name matches more than one set (for example, because of a Wildcard), the result returns only the first range that matches.

Actions: | GetQueryTagValues
Type: | Boolean
Default: | False
Example: | `Ranges=FIXED{.,50,100,150,200,.}:PRICE+FIXEDDATE{.,13/03/2017,12:00:00 13/03/2017,10/03/2017,.}:autn_date:NUMDATE2`
See Also: | ParametricRangeType configuration parameter Ranges configuration parameter

## Allowed Date Formats

You can use the following formats to specify your dates:

Date formats

Format | Explanation
--- | ---
`D+/M+/#YY+` | A date. For example, `1/3/05`, `23/12/1999`, `10/07/40`, or `8/5/2012`. If the year is a number less than 40, it is read as a year in the 2000s. If the year is a number between 40 and 99, it is read as a year in the 1900s. For example, `01/02/01` is read as 1 February 2001, and `01/03/40` is read as 1 March 1940. IDOL Server treats the date as a date in its local timezone.
`YYYY-MM-DD` | A date in ISO-8601 format. For example, `2017-05-12`
`HH:NN:SS D+/M+/#YY+` | A time and date. For example, `10:30:45 1/3/05`, `18:55:00 23/12/99`, `01:23:45 10/07/1940`, or `07:15:00 8/5/2012`. If the year is a number less than 40, it is read as a year in the 2000s. If the year is a number between 40 and 99, it is read as a year in the 1900s. For example, `01/02/01` is read as 1 February 2001, and `01/03/40` is read as 1 March 1940. IDOL Server treats the date as a date in its local timezone.
`YYYY-MM-DDTHH:NN:SSZ` `YYYY-MM-DDTHH:NN:SS±HHMM` | A date and time in ISO-8601 formats, with a time zone (either as a literal Z, or a four digit time zone offset). For example, `2017-05-02T12:45:00Z`, or `2017-05-02T12:45:00+0000`.
`HH:NN:SS D+/M+/#YY+ #ADBC` | A time and date with a time period. For example, `10:30:45 1/3/05 AD`, `18:55:00 23/12/99 CE`. For the time period, you can use `AD`, `CE`, `BC`, `BCE`, or any predefined list of EPOCH indicators. IDOL Server treats the date as a date in its local timezone.
`N` | A positive or negative number of days from the current date. For example, `–1` specifies yesterday's date, `0` specifies today's date, `1` specifies tomorrow's date, `2` specifies two days from now (the current date plus two), and so on.
`Ns` | A positive or negative number of seconds from now. For example, `–60s` specifies one minute ago, `–900s` specifies 15 minutes ago, `–3600s` specifies one hour ago and so on. `60s` specifies one minute from now, `900s` specifies 15 minutes from now, `3600s` specifies one hour from now, and so on.
`Ne` | Epoch seconds (seconds since 1 January 1970 UTC). For example, `1012345000e` specifies 22:56:40 on 29 January 2002 UTC.

NOTE:

IDOL Server treats any date that does not have explicit timezone information as a date in the local timezone, both in the index and in your query parameters. This behavior might result in non-intuitive matches.

For example, epoch second values are always UTC. The value `1012345000e` matches times as 22:56:40 on 29 January 2002 UTC. If your local timezone is GMT-6, this query might match an indexed date value of 03:56:40 on 29 January 2002 (which corresponds to the same time UTC), because the indexed date is in your local timezone.

Similarly, if your query date is `03:56:40 29/01/2002`, this might match an indexed epoch seconds date of `1012345000`.

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