[jira] [Created] (FLINK-20349) Query fails with "A conflict is detected. This is unexpected."

["Rui Li (Jira)" <ji...@apache.org>]

Rui Li created FLINK-20349:
------------------------------

             Summary: Query fails with "A conflict is detected. This is unexpected."
                 Key: FLINK-20349
                 URL: https://issues.apache.org/jira/browse/FLINK-20349
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
            Reporter: Rui Li
             Fix For: 1.13.0


The test case to reproduce:
{code}
	@Test
	public void test() throws Exception {
		tableEnv.executeSql("create table src(key string,val string)");
		tableEnv.executeSql("SELECT sum(char_length(src5.src1_value)) FROM " +
				"(SELECT src3.*, src4.val as src4_value, src4.key as src4_key FROM src src4 JOIN " +
				"(SELECT src2.*, src1.key as src1_key, src1.val as src1_value FROM src src1 JOIN src src2 ON src1.key = src2.key) src3 " +
				"ON src3.src1_key = src4.key) src5").collect();
	}
{code}



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