korlov42 commented on code in PR #3223:
URL: https://github.com/apache/ignite-3/pull/3223#discussion_r1495972505
##########
modules/catalog/src/main/java/org/apache/ignite/internal/catalog/commands/AlterTableDropColumnCommand.java:
##########
@@ -98,24 +96,39 @@ public List<UpdateEntry> get(Catalog catalog) {
}
if (indexedColumns.contains(columnName)) {
- List<String> indexesNames = Arrays.stream(schema.indexes())
- .filter(index -> index.tableId() == table.id())
- .filter(index -> index instanceof
CatalogHashIndexDescriptor
- ? ((CatalogHashIndexDescriptor)
index).columns().contains(columnName)
- : ((CatalogSortedIndexDescriptor)
index).columns().stream().map(CatalogIndexColumnDescriptor::name)
- .anyMatch(column ->
column.equals(columnName))
-
).map(CatalogIndexDescriptor::name).collect(Collectors.toList());
+ List<String> indexesNames = aliveIndexesForTable(schema, table)
+ .filter(index ->
indexColumnNames(index).anyMatch(columnName::equals))
+ .map(CatalogIndexDescriptor::name)
+ .collect(Collectors.toList());
throw new CatalogValidationException(format(
"Deleting column '{}' used by index(es) {}, it is not
allowed", columnName, indexesNames));
}
- }
+ });
return List.of(
new DropColumnsEntry(table.id(), columns, schemaName)
);
}
+ private static Stream<CatalogIndexDescriptor>
aliveIndexesForTable(CatalogSchemaDescriptor schema, CatalogTableDescriptor
table) {
+ return Arrays.stream(schema.indexes())
Review Comment:
I think, instead of iterating over all indexes in the particular schema,
it's better to take an advantage of
`org.apache.ignite.internal.catalog.Catalog#indexes(int)`
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