[CALCITE-2976] Improve materialized view rewriting coverage with disjunctive predicates

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.20.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Jesús Camacho Rodríguez
• Reporter: Jesús Camacho Rodríguez
• Created: 03/Apr/19 03:56
• Updated: 27/Feb/24 22:23
• Resolved: 05/Apr/19 23:59

Description

For instance, in the following case:

@Test public void testJoinAggregateMaterializationAggregateFuncs14() {
  checkMaterialize(
      "select \"empid\", \"emps\".\"name\", \"emps\".\"deptno\", \"depts\".\"name\", "
          + "count(*) as c, sum(\"empid\") as s\n"
          + "from \"emps\" join \"depts\" using (\"deptno\")\n"
          + "where (\"depts\".\"name\" is not null and \"emps\".\"name\" = 'a') or "
          + "(\"depts\".\"name\" is not null and \"emps\".\"name\" = 'b')\n"
          + "group by \"empid\", \"emps\".\"name\", \"depts\".\"name\", \"emps\".\"deptno\"",
      "select \"depts\".\"deptno\", sum(\"empid\") as s\n"
          + "from \"emps\" join \"depts\" using (\"deptno\")\n"
          + "where \"depts\".\"name\" is not null and \"emps\".\"name\" = 'a'\n"
          + "group by \"depts\".\"deptno\"",
      HR_FKUK_MODEL,
      CONTAINS_M0);
}

Issue Links

• links to: GitHub Pull Request #1144