ektravel commented on code in PR #16878: URL: https://github.com/apache/druid/pull/16878#discussion_r1712358489
########## docs/querying/sql-functions.md: ########## @@ -1077,11 +1077,42 @@ Calculates the base-10 of the numeric expression. ## LOOKUP -`LOOKUP(<CHARACTER>, <CHARACTER>[, <CHARACTER>])` +Look up `expr` in a registered [query-time lookup table](lookups.md) named `lookupName`. Returns `replaceMissingValueWith`, which defaults to `null`, when the `expr` is null or when the lookup does not contain a value for `expr`. -**Function type:** [Scalar, string](sql-scalar.md#string-functions) +* **Syntax:** `LOOKUP(expr, lookupName[, replaceMissingValueWith])` +* **Function type:** Scalar, string + +<details><summary>Example</summary> + +The following example uses a map lookup table, named `acronym_to_name` made with the following key-value pairs: Review Comment: ```suggestion The following example uses a map lookup table named `acronym_to_name`, made with the following key-value pairs: ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
