AMashenkov commented on code in PR #2105:
URL: https://github.com/apache/ignite-3/pull/2105#discussion_r1217731149
##########
modules/catalog/src/main/java/org/apache/ignite/internal/catalog/CatalogServiceImpl.java:
##########
@@ -321,6 +341,89 @@ public CompletableFuture<Void>
dropColumn(AlterTableDropColumnParams params) {
});
}
+ /** {@inheritDoc} */
+ @Override
+ public CompletableFuture<Void> alterColumn(AlterColumnParams params) {
+ return saveUpdate(catalog -> {
+ String schemaName =
Objects.requireNonNullElse(params.schemaName(), CatalogService.PUBLIC);
+
+ SchemaDescriptor schema =
Objects.requireNonNull(catalog.schema(schemaName), "No schema found: " +
schemaName);
+
+ TableDescriptor table = schema.table(params.tableName());
+
+ if (table == null) {
+ throw new TableNotFoundException(schemaName,
params.tableName());
+ }
+
+ String columnName = params.columnName();
+
+ Optional<TableColumnDescriptor> source =
table.columns().stream().filter(desc ->
desc.name().equals(columnName)).findFirst();
+
+ if (source.isEmpty()) {
+ throw new ColumnNotFoundException(columnName);
+ }
Review Comment:
```suggestion
TableColumnDescriptor source = table.columns().stream()
.filter(desc -> desc.name().equals(columnName))
.findFirst()
.orElseThrow(() -> new ColumnNotFoundException(columnName));
```
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