[BugFix] Fix decimal literal equals uncheck type (#50626)

Signed-off-by: Seaven <[email protected]>
(cherry picked from commit b95c6ee)

# Conflicts:
#	fe/fe-core/src/test/java/com/starrocks/sql/plan/DecimalTypeTest.java

fe/fe-core/src/main/java/com/starrocks/analysis/DecimalLiteral.java

@@ -519,6 +519,6 @@ public int hashCode() {
 
     @Override
     public boolean equals(Object obj) {
-        return super.equals(obj);
+        return super.equals(obj) && (type.matchesType(((LiteralExpr) obj).getType()));
     }
 }

fe/fe-core/src/test/java/com/starrocks/sql/plan/DecimalTypeTest.java

@@ -268,4 +268,26 @@ public void testDecimalV2Cast() throws Exception {
         plan = getFragmentPlan(sql);
         assertContains(plan, "'12.56'");
     }
+<<<<<<< HEAD
+=======
+
+    @Test
+    public void testDateToDecimal() throws Exception {
+        String sql = "select '1969-12-10 23:46:53' > c_0_0 from tab0";
+        String plan = getFragmentPlan(sql);
+        assertContains(plan, "1:Project\n" +
+                "  |  <slot 16> : CAST(1: c_0_0 AS DOUBLE) < CAST('1969-12-10 23:46:53' AS DOUBLE)");
+    }
+
+    @Test
+    public void testSameValueDiffTypeDecimal() throws Exception {
+        String sql = "SELECT t1a,\n" +
+                "    sum(t1f * 1.00000000000) / NULLIF(sum(t1c), 0) AS aaaa,\n" +
+                "    sum(t1f * 1.000) / NULLIF(sum(t1d * 1.000), 0) * 1000 AS bbbb\n" +
+                " FROM test_all_type \n" +
+                " GROUP BY t1a;\n ";
+        String plan = getFragmentPlan(sql);
+        assertContains(plan, "<slot 11> : 6: t1f * 1.0\n");
+    }
+>>>>>>> b95c6ee577 ([BugFix] Fix decimal literal equals uncheck type (#50626))
 }