caicancai commented on code in PR #3721: URL: https://github.com/apache/calcite/pull/3721#discussion_r1518535007
########## core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java: ########## @@ -1149,6 +1149,56 @@ private static RelDataType mapReturnType(SqlOperatorBinding opBinding) { false); } + @SuppressWarnings("argument.type.incompatible") + private static RelDataType mapKeyReturnType(SqlOperatorBinding opBinding) { + List<RelDataType> operandType = new ArrayList<>(); + + operandType.add(opBinding.collectOperandTypes().get(0).getKeyType()); + operandType.add(opBinding.collectOperandTypes().get(0).getValueType()); + Pair<@Nullable RelDataType, @Nullable RelDataType> type = + getComponentTypes( + opBinding.getTypeFactory(), operandType); + + requireNonNull(type, "inferred map type"); + requireNonNull(type.getKey(), "inferred map key type"); + requireNonNull(type.getValue(), "inferred value type"); + + if (!type.getValue().getSqlTypeName().getName().equals("UNKNOWN") Review Comment: done, thanks ########## core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java: ########## @@ -1149,6 +1149,56 @@ private static RelDataType mapReturnType(SqlOperatorBinding opBinding) { false); } + @SuppressWarnings("argument.type.incompatible") + private static RelDataType mapKeyReturnType(SqlOperatorBinding opBinding) { + List<RelDataType> operandType = new ArrayList<>(); + + operandType.add(opBinding.collectOperandTypes().get(0).getKeyType()); + operandType.add(opBinding.collectOperandTypes().get(0).getValueType()); + Pair<@Nullable RelDataType, @Nullable RelDataType> type = + getComponentTypes( + opBinding.getTypeFactory(), operandType); + + requireNonNull(type, "inferred map type"); Review Comment: done, thanks -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@calcite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org