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unknown authored
INTO clause can be specified only for the last select of a UNION and it receives the result of the whole query. But it was wrongly allowed in non-last selects of a UNION which leads to a confusing query result. Now INTO allowed only in the last select of a UNION. mysql-test/t/union.test: Added a test case for the bug#23345: Wrongly allowed INTO in a non-last select of a UNION. mysql-test/r/union.result: Added a test case for the bug#23345: Wrongly allowed INTO in a non-last select of a UNION. sql/sql_yacc.yy: Bug#23345: Wrongly allowed INTO in a non-last select of a UNION. Now INTO allowed only in the last select of a UNION.
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