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[Bug](materialized-view) add limitation for duplicate expr on materialized view #27523

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merged 1 commit into from
Nov 24, 2023
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[Bug](materialized-view) add limitation for duplicate expr on materialized view #27523

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24 changes: 13 additions & 11 deletions fe/fe-core/src/main/java/org/apache/doris/analysis/CreateMaterializedViewStmt.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,13 +39,15 @@
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

/**
* Materialized view is performed to materialize the results of query.
Expand Down Expand Up @@ -342,19 +344,19 @@ private void analyzeGroupByClause() throws AnalysisException {
}
}

for (Expr groupExpr : groupingExprs) {
boolean match = false;
String rhs = selectStmt.getExprFromAliasSMap(groupExpr).toSqlWithoutTbl();
for (Expr expr : selectExprs) {
String lhs = selectStmt.getExprFromAliasSMap(expr).toSqlWithoutTbl();
if (lhs.equalsIgnoreCase(rhs)) {
match = true;
break;
}
Set<String> selectExprNames = Sets.newTreeSet(String.CASE_INSENSITIVE_ORDER);
for (Expr expr : selectExprs) {
String selectExprName = selectStmt.getExprFromAliasSMap(expr).toSqlWithoutTbl();
if (selectExprNames.contains(selectExprName)) {
throw new AnalysisException("The select expr " + selectExprName + " is duplicated.");
}
selectExprNames.add(selectExprName);
}

if (!match) {
throw new AnalysisException("The grouping expr " + rhs + " not in select list.");
for (Expr expr : groupingExprs) {
String groupExprName = selectStmt.getExprFromAliasSMap(expr).toSqlWithoutTbl();
if (!selectExprNames.contains(groupExprName)) {
throw new AnalysisException("The grouping expr " + groupExprName + " not in select list.");
}
}
}
Expand Down
10 changes: 10 additions & 0 deletions regression-test/suites/mv_p0/test_mv_useless/agg_invalid/agg_invalid.groovy
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Expand Up @@ -41,4 +41,14 @@ suite ("agg_invalid") {
sql "CREATE MATERIALIZED VIEW mv_4 AS SELECT p1, SUM(abs(v1)) FROM t1 GROUP BY p1;"
exception "errCode = 2,"
}

test {
sql "CREATE MATERIALIZED VIEW mv_5 AS SELECT p1, p2, p1, SUM(v1) FROM t1 GROUP BY p1,p2,p1;"
exception "errCode = 2,"
}

test {
sql "CREATE MATERIALIZED VIEW mv_5 AS SELECT p1, p2, SUM(v1), SUM(v1) FROM t1 GROUP BY p1,p2;"
exception "errCode = 2,"
}
}