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Posted to dev@calcite.apache.org by "xzh_dz (Jira)" <ji...@apache.org> on 2021/09/14 06:45:00 UTC
[jira] [Created] (CALCITE-4774) When predicate conditions are
equivalent, materialized view recognition fails.
xzh_dz created CALCITE-4774:
-------------------------------
Summary: When predicate conditions are equivalent, materialized view recognition fails.
Key: CALCITE-4774
URL: https://issues.apache.org/jira/browse/CALCITE-4774
Project: Calcite
Issue Type: New Feature
Reporter: xzh_dz
{code:java}
// code placeholder
org.apache.calcite.test.MaterializedViewSubstitutionVisitorTest
@Test void testRexCondition() {
final String mv = ""
+ "select \"name\"\n"
+ "from \"emps\"\n"
+ "where \"deptno\" > 100 and \"deptno\" > 50\n"
+ "group by \"name\"";
final String query = ""
+ "select \"name\"\n"
+ "from \"emps\"\n"
+ "where \"deptno\" > 100"
+ "group by \"name\"";
sql(mv, query).withChecker(
resultContains(""
+ "EnumerableTableScan(table=[[hr, MV0]])")).ok();
}
{code}
Materialized view failed to be matched by optimized results:Materialized view failed to be matched by optimized results: java.lang.AssertionError: Materialized view failed to be matched by optimized results: at org.apache.calcite.test.AbstractMaterializedViewTest.checkMaterialize(AbstractMaterializedViewTest.java:116) at org.apache.calcite.test.AbstractMaterializedViewTest.access$000(AbstractMaterializedViewTest.java:67) at org.apache.calcite.test.AbstractMaterializedViewTest$Sql.ok(AbstractMaterializedViewTest.java:229)
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