vlsi commented on a change in pull request #2224:
URL: https://github.com/apache/calcite/pull/2224#discussion_r507676458
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File path: core/src/main/java/org/apache/calcite/plan/RelOptUtil.java
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@@ -2199,13 +2199,49 @@ public static boolean equal(
RelDataType type2,
Litmus litmus) {
if (!areRowTypesEqual(type1, type2, false)) {
- return litmus.fail("Type mismatch:\n{}:\n{}\n{}:\n{}",
+ return litmus.fail("Type mismatch:\n{}:\n{}\n{}:\n{}\ndifference:\n{}",
desc1, type1.getFullTypeString(),
- desc2, type2.getFullTypeString());
+ desc2, type2.getFullTypeString(),
+ getFullTypeDifferenceString(type1, type2));
}
return litmus.succeed();
}
+ public static String getFullTypeDifferenceString(RelDataType other,
+ RelDataType another) {
+ if (other == another) {
+ return "";
+ }
+
+ if (other.getFieldCount() != another.getFieldCount()) {
+ return "Type mismatch: the field size is not equal,"
+ + " one is " + other.getFieldCount()
+ + ", another one is " + another.getFieldCount();
+ }
+
+ final StringBuilder stringBuilder = new StringBuilder("Type mismatch: \n");
+ final List<RelDataTypeField> f1 = other.getFieldList();
+ final List<RelDataTypeField> f2 = another.getFieldList();
+ for (Pair<RelDataTypeField, RelDataTypeField> pair : Pair.zip(f1, f2)) {
+ final RelDataType type1 = pair.left.getType();
+ final RelDataType type2 = pair.right.getType();
+ // If one of the types is ANY comparison should succeed
+ if (type1.getSqlTypeName() == SqlTypeName.ANY
+ || type2.getSqlTypeName() == SqlTypeName.ANY) {
Review comment:
yes, the method is the same.
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