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Found_rows() Returns 1 When Using Union And No Rows Found (Doc ID 2214919.1)

Last updated on DECEMBER 28, 2016

Applies to:

MySQL Server - Version 5.7 and later
Information in this document applies to any platform.

Symptoms

FOUND_ROWS() returns 1 when using UNION and no rows were found by previous SELECT statement.

Cause

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