WHERE clause
Use the WHERE clause to filter results based on fields, tags, or timestamps.
Syntax
SELECT_clause FROM_clause WHERE <conditional_expression> [(AND|OR) <conditional_expression> [...]]
Note: Unlike InfluxQL, SQL supports OR in the WHERE clause to
specify multiple conditions, including time ranges.
Examples
Note that single quotes are required for string literals in the WHERE clause.
Filter data based on field values
SELECT *
FROM "h2o_feet"
WHERE "water_level" >= 9.78
Filter data based on specific tag and field values
SELECT *
FROM "h2o_feet"
WHERE "location" = 'santa_monica' and "level description" = 'below 3 feet'
Filter data within a specific time period
SELECT *
FROM h2o_feet
WHERE "location" = 'santa_monica'
AND "time" >= '2019-08-19T12:00:00Z' AND "time" <= '2019-08-19T13:00:00Z'
Filter data using the OR operator
SELECT *
FROM "h2o_feet"
WHERE "level description" = 'less than 3 feet' OR "water_level" < 2.5
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