JingsongLi commented on a change in pull request #10403: [FLINK-14645][table]
Support to keep nullability and precision when converting DataTypes to
properties
URL: https://github.com/apache/flink/pull/10403#discussion_r354243868
##########
File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/sources/TableSourceValidation.java
##########
@@ -181,6 +182,16 @@ private static void validateLogicalTypeEqualsPhysical(
TableSource<?> tableSource) {
ResolvedField resolvedField = resolveField(fieldName,
tableSource);
if (!resolvedField.getType().equals(logicalType)) {
+
+ if (resolvedField.getType().getLogicalType() instanceof
LegacyTypeInformationType &&
+ logicalType.getLogicalType().getTypeRoot() ==
LogicalTypeRoot.DECIMAL &&
+ logicalType.getLogicalType().getTypeRoot() ==
resolvedField.getType().getLogicalType().getTypeRoot() &&
+ logicalType.getConversionClass() ==
resolvedField.getType().getConversionClass()) {
Review comment:
I mean above `if (!resolvedField.getType().equals(logicalType))` should be
`if
(!resolvedField.getType().getLogicalType().equals(logicalType.getLogicalType()))`.
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