liyafan82 commented on a change in pull request #2256:
URL: https://github.com/apache/calcite/pull/2256#discussion_r521997690
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File path: core/src/test/java/org/apache/calcite/sql/type/SqlTypeUtilTest.java
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@@ -197,4 +198,35 @@ private RelDataType struct(RelDataType...relDataTypes) {
}
return builder.build();
}
+
+ private void compareTypesIgnoringNullability(
+ RelDataType type1, RelDataType type2, boolean expectedResult) {
+ String msg = String.format(Locale.ROOT,
+ "%s and %s are expected to be %s ignoring nullability.",
+ type1.getFullTypeString(),
+ type2.getFullTypeString(),
+ expectedResult ? "equal" : "not equal");
+
+ assertThat(msg,
+ SqlTypeUtil.equalSansNullability(f.typeFactory, type1, type2),
is(expectedResult));
+ assertThat(msg,
+ SqlTypeUtil.equalSansNullability(type1, type2), is(expectedResult));
+ }
+
+ @Test public void testEqualSansNullability() {
+ RelDataType bigIntType = f.sqlBigInt;
+ RelDataType nullableBigIntType = f.sqlBigIntNullable;
+ RelDataType varCharType = f.sqlVarchar;
+ RelDataType bigIntType1 =
+ f.typeFactory.createTypeWithNullability(nullableBigIntType, false);
+
+ // different types
Review comment:
I guess you mean the type factory should be a parameter? Revised
accordingly. Thanks.
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