AMashenkov commented on code in PR #2493:
URL: https://github.com/apache/ignite-3/pull/2493#discussion_r1304878732


##########
modules/catalog/src/main/java/org/apache/ignite/internal/catalog/CatalogParamsValidationUtils.java:
##########
@@ -95,6 +105,83 @@ static void validateRenameZoneParams(RenameZoneParams 
params) {
         validateZoneName(params.newZoneName(), "Missing new zone name");
     }
 
+    static void validateDropTableParams(DropTableParams params) {
+        validateCommonTableParams(params);
+    }
+
+    static void validateCreateTableParams(CreateTableParams params) {
+        validateCommonTableParams(params);
+
+        List<String> columnNames = 
Objects.<List<ColumnParams>>requireNonNullElse(params.columns(), 
List.of()).stream()
+                .peek(CatalogParamsValidationUtils::validateColumnParams)
+                .map(ColumnParams::name)
+                .collect(toList());
+
+        validateColumns(
+                columnNames,
+                Table.TABLE_DEFINITION_ERR,
+                "Columns not specified",
+                "Duplicate columns are present: {}"
+        );
+
+        validateColumns(
+                params.primaryKeyColumns(),
+                Table.TABLE_DEFINITION_ERR,
+                "Primary key columns not specified",
+                "Duplicate primary key columns are present: {}"
+        );
+
+        validateColumnsContainsInAnotherColumns(
+                params.primaryKeyColumns(),
+                columnNames,
+                Table.TABLE_DEFINITION_ERR,
+                "Primary key columns missing in columns: {}"
+        );
+
+        validateColumns(
+                params.colocationColumns(),
+                Table.TABLE_DEFINITION_ERR,
+                "Colocation columns not specified",
+                "Duplicate colocation columns are present: {}"
+        );

Review Comment:
   You refer to a legacy code.
   
   `org.apache.ignite.internal.catalog.descriptors.CatalogTableDescriptor`L77 
still ok with `colocationColumns == null`.
   I would add any logic in parameters conversion.



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