Built-in Functions → weekStartDate
weekStartDate() is a conversion function that returns the first date of the week for the given date or timestamp.
A week starts on Sunday and ends on Saturday.
Signature
weekStartDate(date_timestamp exp)
Parameter | Description |
---|---|
date_timestamp exp | The date or timestamp value to determine the week start date from |
Returns
Date
representing the start date of the week for the given date or timestamp.
Examples
Identify the beginning of the current week for the given date, 08/17/2021.
weekStartDate(date("2021-08-17"))
Identify the beginning of the current week for the given timestamp, 2021-07-20 03:09:11.
weekStartDate(timestamp("2021-07-20 03:09:11"))
The following table illustrates the behavior of the weekStartDate() conversion function:
Product | Revenues | weekStartDate(date) | weekStartDate(timestamp) |
---|---|---|---|
CD | $200 | 08/15/2021 | 07/18/2021 |
Hard disk | $600 | 08/15/2021 | 07/18/2021 |
Use the following steps for detailed instructions on how to use the weekStartDate() conversion function tackle the second example above in an insight:
In the Cluster Management Console (CMC), create a tenant that includes Sample Data. The Sample Data includes the SALES schema.
- In the Navigation bar, select the Content tab, and then select + New → Add Dashboard.
- In the Add Dashboard dialog, for Name, enter Product Dashboard, and then select Add.
- In the Action bar, select + (add icon), or select + Add Insight.
- In the Insight panel, select Listing Table or V.
- In Tables, select Aggregated Table.
- In the Data panel, select Manage Dataset.
- In the Manage Data Sets panel, in Tables, select SALES. Close the panel.
- From the Data panel, drag and drop the following columns to the respective tray:
- Category from the PRODUCTS table to the Grouping Dimension tray.
- Revenue from the SALES table to the Measure tray.
- In the Properties panel, for Number Format, select Dollar Rounded.
- From the Data panel, drag and drop Add Formula to the Grouping Dimension tray.
- The Formula Builder automatically opens:
- In Search Functions, select the down arrow, and then select Conversion Functions.
- Double-click the weekStartDate function,
weekStartDate()
, to add the formula to the editor. - In the Formula Editor, replace
date_timestamp exp
withTIMESTAMP("2021-07-20 03:09:11")
weekStartDate(TIMESTAMP("2021-07-20 03:09:11"))
- Select Validate & Save.
- In the Properties panel, for Column Label, enter weekStartDate().
- Name the insight Revenue Per Product Category.
- In the Action bar, select Save.