This shows you the differences between two versions of the page.
|
dev:sql:functions:extract [2010/07/09 03:05] tdo |
dev:sql:functions:extract [2016/06/28 22:38] |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| - | {{page>:top_add&nofooter&noeditbtn}} | ||
| - | <html><div align="center"><span style="color:red">DRAFT</span></div></html> | ||
| - | ====== Omnidex SQL Function: EXTRACT ====== | ||
| - | {{page>:sql_bar&nofooter&noeditbtn}} | ||
| - | ===== Description ===== | ||
| - | The EXTRACT function extracts an individual field value from a specified date_class data type. | ||
| - | ===== Syntax ===== | ||
| - | EXTRACT(date_unit FROM date_column) | ||
| - | == date_unit == | ||
| - | 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. | ||
| - | |||
| - | The //date_unit// should not be enclosed in either double or single quotes. | ||
| - | |||
| - | Valid //date_unit// options: | ||
| - | ^ Date_unit ^ Return Datatype ^ Description ^ | ||
| - | | YEAR | INTEGER |Returns Year in CCYY format. | | ||
| - | | MONTH | INTEGER |Month | | ||
| - | | DAY | INTEGER | Day | | ||
| - | | HOUR | Hour | | ||
| - | | MINUTE | Minute | | ||
| - | | SECOND | Second | | ||
| - | | A | Lowercase am/pm indicator | | ||
| - | | AA | Uppercase AM/PM indicator | | ||
| - | | D | Non-zero-filled day-of-month (1, 2, 3) | | ||
| - | | 0D | Zero-filled day-of-month (01, 02, 03) | | ||
| - | | DD | Day of year (44) | | ||
| - | | 0DD | Zero-filled day of year (044) | | ||
| - | | F | Non-zero-filled fraction of a second (1, 2) | | ||
| - | | 0F | Zero-filled fraction of a second (01, 02) | | ||
| - | | 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) | | ||
| - | | J | Non-zero-filled Julian date (1, 2) | | ||
| - | | 0J | Zero-filled Julian date (01, 02) | | ||
| - | | 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) | | ||
| - | | N | Non-zero-filled minute of hour (1, 2) | | ||
| - | | 0N | Zero-filled minute of hour (01, 02) | | ||
| - | | Q | Quarter of the year (1) | | ||
| - | | QQ | Quarter of the year abbreviation (Q1) | | ||
| - | | QQQ | Quarter of the year name (First Quarter) | | ||
| - | | S | Non-zero-filled second of minute (1, 2) | | ||
| - | | 0S | Zero-filled second of minute (01, 02) | | ||
| - | | 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) | | ||
| - | | YY | Two-digit year (99, 00) | | ||
| - | | YYYY | Four-digit year (1999, 2000) | | ||
| - | |||
| - | == FROM == | ||
| - | Required. | ||
| - | |||
| - | == date_column == | ||
| - | 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. | ||
| - | |||
| - | ===== Example ===== | ||
| - | |||
| - | <code> | ||
| - | select status, | ||
| - | extract(mmm FROM orders.order_date) | ||
| - | from orders | ||
| - | where product_no='PRN4356' | ||
| - | |||
| - | ORDR JANUARY | ||
| - | ORDR DECEMBER | ||
| - | CNCL MARCH | ||
| - | </code> | ||
| - | |||
| - | {{page>:bottom_add&nofooter&noeditbtn}} | ||