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DRAFT

Omnidex SQL Function: EXTRACT

Description

The EXTRACT function extracts an individual field value from a specified date_class data type.

Syntax

EXTRACT(date_field FROM date)
date_field

Required. The date part that is to be extracted. See below for a complete list of date parts that can be used in this parameter. Click to see a list of valid datefield options.

Valid datefield Options:
| YEAR | |
| MONTH | |
| DAY | |
| HOUR | |
| MINUTE | |
| SECOND | |
| W | Day of the week number (1-Sunday, 2-Monday) | 
| WW | Three-character day-of-week abbreviation (Sun, Mon) |
| WWW | Fully spelled day-of-week (Sunday, Monday) | 
| M | Non-zero-filled month number (1-January, 2-February) | 
| 0M | Zero-filled day-of-month number (01-January, 02-February) | 
| MM | Three-character month abbreviation (Jan, Feb) |
| MMM | Fully spelled month (January, February) |
| D | Non-zero-filled day-of-month (1, 2, 3) |
| 0D | Zero-filled day-of-month (01, 02, 03) |
| J | Non-zero-filled Julian date (1, 2) |
| 0J | Zero-filled Julian date (01, 02) |
| YY | Two-digit year (99, 00) |
| YYYY | Four-digit year (1999, 2000) | 
| H | 12-hour, non-zero-filled hour of day (12, 1) |
| 0H | 12-hour, zero-filled hour of day (12, 01) |
| HH | 24-hour, non-zero-filled hour of day (24, 1) | 
| 0HH | 24-hour, zero-filled hour of day (24, 01) |
| N | Non-zero-filled minute of hour (1, 2) |
| 0N | Zero-filled minute of hour (01, 02) |
| S | Non-zero-filled second of minute (1, 2) | 
| 0S | Zero-filled second of minute (01, 02) |
| F | Non-zero-filled fraction of a second (1, 2) | 
| 0F | Zero-filled fraction of a second (01, 02) |
| A | Lowercase am/pm indicator |
| AA | Uppercase AM/PM indicator |
FROM

Required.

date

Required. A date formatted as any valid SQL92 date_class data type.

If the original date is an OMNIDEX DATE or OMNIDEX DATETIME column, the return data type is C STRING length 32. Otherwise, the return data type is as follows:

Example

Example 1

 
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dev/sql/functions/extract.1259968633.txt.gz ยท Last modified: 2016/06/28 22:38 (external edit)