lowka commented on code in PR #2964:
URL: https://github.com/apache/ignite-3/pull/2964#discussion_r1430937186
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modules/catalog/src/main/java/org/apache/ignite/internal/catalog/commands/CatalogUtils.java:
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@@ -125,10 +125,16 @@ public class CatalogUtils {
private static final Map<ColumnType, Set<ColumnType>>
ALTER_COLUMN_TYPE_TRANSITIONS = new EnumMap<>(ColumnType.class);
static {
- ALTER_COLUMN_TYPE_TRANSITIONS.put(ColumnType.INT8,
EnumSet.of(ColumnType.INT16, ColumnType.INT32, ColumnType.INT64));
Review Comment:
Maybe we can initialise this map of supported conversions for all types so
that for every type `T` `isSupportedColumnTypeChange(T, T)` always
returns`true` ?
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