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- CASE Expression – DuckDB 9414
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...Live Demo Documentation / SQL / Expressions Copy Markdown CASE Expression The CASE expression performs a switch based on a condition. The basic form is identical to the ternary condition used in many programming languages ( CASE WHEN cond THEN a ELSE...b END is equivalent to cond ? a : b ). With a single condition this can be expressed with IF(cond, a, b) . CREATE OR REPLACE TABLE integers AS SELECT...FROM integers ; i test 1 0 2 0 3 1 This is equivalent to: SELECT i , IF ( i > 2 , 1 , 0 ) AS test FROM integers ; The WHEN cond THEN expr part of the CASE expression can be chained, whenever any of the conditions returns true for a single tuple, the... - https://man.mtool.work/duckdb/1.3/sql/expressions/case.html
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