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InfluxQL supports both single and double quotation marks, but they each function differently and serve different purposes.
In the following example, the
WHERE clause evaluates the value of the
Tags only contain string values, so the right operand of the predicate expression
should be a string literal.
... WHERE room = 'Kitchen'
Use double quotation marks (
") to quote identifiers.
Identifiers must be double-quoted in the following cases:
- The identifier contains non-word characters.
Word characters are defined as
- The identifier is case-sensitive.
- The identifier contains InfluxQL keywords.
- The identifier begins with a digit.
Double-quoted identifiers can also:
- Contain any Unicode character except for a new line.
- Contain escaped
"characters (for example:
- Include InfluxQL keywords.
While not always necessary, we recommend that you double quote identifiers.
InfluxQL quoting guidelines differ from line protocol quoting guidelines.
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