wangbo commented on a change in pull request #3396:
URL: https://github.com/apache/incubator-doris/pull/3396#discussion_r417717067
##########
File path: fe/src/test/java/org/apache/doris/planner/QueryPlanTest.java
##########
@@ -504,4 +504,106 @@ public void testDateTypeEquality() throws Exception {
Catalog.getCurrentCatalog().getLoadManager().createLoadJobV1FromStmt(loadStmt,
EtlJobType.HADOOP,
System.currentTimeMillis());
}
+
+ private SelectStmt getAnalyzedAndRewritedStmt(String sql) throws Exception
{
+ SelectStmt selectStmt =
+ (SelectStmt) UtFrameUtils.parseAndAnalyzeStmt(sql,
connectContext);
+ selectStmt = (SelectStmt) UtFrameUtils.rewriteStmt(selectStmt,
connectContext);
+ selectStmt = (SelectStmt) UtFrameUtils.reAnalyze(selectStmt,
connectContext);
+ return selectStmt;
+ }
+
+ @Test
+ public void testConvertCaseWhenToConstant() throws Exception {
+ // basic test
+ String caseWhenSql = "select "
+ + "case when date_format(now(),'%H%i') < 123 then 1 else 0
end as col "
+ + "from test.test1 "
+ + "where time = case when date_format(now(),'%H%i') < 123
then date_format(date_sub(now(),2),'%Y%m%d') else
date_format(date_sub(now(),1),'%Y%m%d') end";
+ SelectStmt selectStmt = getAnalyzedAndRewritedStmt(caseWhenSql);
+ Assert.assertTrue(!selectStmt.toSql().contains("CASE WHEN") &&
!selectStmt.toSql().contains("case when"));
Review comment:
👌
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