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docs: update formula syntax & revise date function content

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Wing-Kam Wong 3 years ago
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1 changed files with 10 additions and 8 deletions
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  1. 18
      packages/noco-docs/content/en/setup-and-usages/formulas.md

18
packages/noco-docs/content/en/setup-and-usages/formulas.md
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@ -66,13 +66,13 @@ Example: ({Column1} + ({Column2} * {Column3}) / (3 - $Column4$ ))
| Name | Syntax | Sample | Output |
|-------------|----------------------------------|---------------------------------|---------------------------------------------------------------------------|
| **CONCAT** | `CONCAT(str1, [str2,...])` | `CONCAT({Column1}, ' ', {Column2})` | Concatenated string of input parameters |
| **LEFT** | `LEFT(str1, [str2,...])` | `LEFT({Column}, 3)` | `n` characters from the beginning of input parameter |
| **LEFT** | `LEFT(str1, n)` | `LEFT({Column}, 3)` | `n` characters from the beginning of input parameter |
| **LEN** | `LEN(str)` | `LEN({Column})` | Input parameter character length |
| **LOWER** | `LOWER(str)` | `LOWER({Column})` | Lower case converted string of input parameter |
| **MID** | `SUBTR(str, position, [count])` | `MID({Column}, 3, 2)` | Alias for `SUBSTR` |
| **MID** | `MID(str, position, [count])` | `MID({Column}, 3, 2)` | Alias for `SUBSTR` |
| **REPEAT** | `REPEAT(str, count)` | `REPEAT({Column}, 2)` | Specified copies of the input parameter string concatenated together |
| **REPLACE** | `REPLACE(str, srchStr, rplcStr)` | `REPLACE({Column}, 'int', 'num')` | String, after replacing all occurrences of `srchStr` with `rplcStr` |
| **RIGHT** | `RIGHT(str, count)` | `RIGHT({Column}, 3)` | `n` characters from the end of input parameter |
| **RIGHT** | `RIGHT(str, n)` | `RIGHT({Column}, 3)` | `n` characters from the end of input parameter |
| **SEARCH** | `SEARCH(str, srchStr)` | `SEARCH({Column}, 'str')` | Index of `srchStr` specified if found, 0 otherwise |
| **SUBSTR** | `SUBTR(str, position, [count])` | `SUBSTR({Column}, 3, 2)` | Substring of length 'count' of input string, from the postition specified |
| **TRIM** | `TRIM(str)` | `TRIM({Column})` | Remove trailing and leading whitespaces from input parameter |
@ -83,11 +83,13 @@ Example: ({Column1} + ({Column2} * {Column3}) / (3 - $Column4$ ))
| Name | Syntax | Sample | Output | Remark |
|---|---|---|---|---|
| **DATEADD** | `DATEADD({DATE_COL}, 1, 'day')` | `DATEADD(date, 1, 'day')` | Supposing {DATE_COL} is 2022-03-14. The result is 2022-03-15. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'day')` |
| | `DATEADD({DATE_COL}, 2, 'month')` | `DATEADD(date, 2, 'month')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2022-05-14 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -2, 'month')` |
| **NOW** | `NOW()` | `NOW()` | 2022-05-19 17:20:43 | Returns the current time and day |
| | `IF(NOW() < {DATE_COL}, "true", "false")` | `IF(NOW() < date, "true", "false")` | If current date is less than {DATE_COL}, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. |
| | `IF(NOW() < DATEADD({DATE_COL},10,'day'), "true", "false")` | `IF(NOW() < DATEADD(date,10,'day'), "true", "false")` | If the current date is less than {DATE_COL} plus 10 days, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. |
| **DATEADD** | `DATEADD(date \| datetime, value, ["day" \| "week" \| "month" \| "year"])` | `DATEADD(date, 1, 'day')` | Supposing {DATE_COL} is 2022-03-14. The result is 2022-03-15. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'day')` |
| | | `DATEADD(date, 1, 'week')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2022-03-21 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'week')` |
| | | `DATEADD(date, 1, 'month')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2022-04-14 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'month')` |
| | | `DATEADD(date, 1, 'year')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2023-03-14 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'year')` |
| | | `IF(NOW() < DATEADD(date,10,'day'), "true", "false")` | If the current date is less than {DATE_COL} plus 10 days, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. |
### Logical Operators
| Operator | Sample | Description |
@ -104,7 +106,7 @@ Example: ({Column1} + ({Column2} * {Column3}) / (3 - $Column4$ ))
| Name | Syntax | Sample | Output |
|------------|------------------------------------------------|---------------------------------------------|-------------------------------------------------------------|
| **IF** | `IF(expr, successCase, [failCase])` | `IF({Column} > 1, Value1, Value2)` | successCase if `expr` evaluates to TRUE, elseCase otherwise |
| **IF** | `IF(expr, successCase, elseCase)` | `IF({Column} > 1, Value1, Value2)` | successCase if `expr` evaluates to TRUE, elseCase otherwise |
| **SWITCH** | `SWITCH(expr, [pattern, value, ..., default])` | `SWITCH({Column}, 1, 'One', 2, 'Two', '--')` | Switch case value based on `expr` output |
| **AND** | `AND(expr1, [expr2,...])` | `AND({Column} > 2, {Column} < 10)` | TRUE if all `expr` evaluate to TRUE |
| **OR** | `OR(expr1, [expr2,...])` | `OR({Column} > 2, {Column} < 10)` | TRUE if at least one `expr` evaluates to TRUE |

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