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m (→Syntax of UFS) Tag: 2017 source edit |
m (→Syntax of UFS) Tag: 2017 source edit |
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= Syntax of UFS = | = Syntax of UFS = | ||
A simple test in UFS syntax is forged this way: Open parenthesis, then the first operand that is the field, then :, then the operator, then :, then the second operand that is the value, then the closing parenthesis. | A simple test in UFS syntax is forged this way: Open parenthesis, then the first operand that is the field, then :, then the operator, then :, then the second operand that is the value, then the closing parenthesis. | ||
The first operator allow only this characters: a to z, 0 to 9, _, - and . | |||
The operator can be =, <, >, <=, >=, !=, in, notin, like, notlike, and nothing else. | The operator can be =, <, >, <=, >=, !=, in, notin, like, notlike, and nothing else. | ||
If the value is a string, you must add simple quotes. If value is a date, it must used the international format and be quotes too | If the value is a string, you must add simple quotes. If value is a date, it must used the international format and be quotes too. | ||
Then, you can combine any simple test using parenthesis and OR or AND to forge combined tests. | Then, you can combine any simple test using parenthesis and OR or AND to forge combined tests. | ||