HCK-9128: Handle indexes without name in CockroachDB (#35)

* HCK-9128: Handle indexes without indxKey

* HCK-9128: Handle indexes without indxKey

* HCK-9128: fix config

forward_engineering/ddlProvider/ddlProvider.js

@@ -260,6 +260,12 @@ module.exports = (baseProvider, options, app) => {
 		},
 
 		createIndex(tableName, index, dbData, isParentActivated = true) {
+			const isNameEmpty = !index.indxName && index.ifNotExist;
+
+			if (!index.columns.length || isNameEmpty) {
+				return '';
+			}
+
 			const isUnique = index.unique && index.index_method === 'btree';
 			const name = wrapInQuotes(index.indxName);
 			const unique = isUnique ? ' UNIQUE' : '';

properties_pane/entity_level/entityLevelConfig.json

@@ -574,7 +574,27 @@ making sure that you maintain a proper JSON format.
 						"propertyName": "Name",
 						"propertyKeyword": "indxName",
 						"propertyTooltip": "Optional, if not specified an automatic name will be assigned. Index name are needed to drop indexes and appear in error messages when a constraint is violated.",
-						"propertyType": "text"
+						"propertyType": "text",
+						"dependency": {
+							"type": "not",
+							"values": {
+								"key": "ifNotExist",
+								"value": true
+							}
+						}
+					},
+					{
+						"propertyName": "Name",
+						"propertyKeyword": "indxName",
+						"propertyTooltip": "",
+						"propertyType": "text",
+						"validation": {
+							"required": true
+						},
+						"dependency": {
+							"key": "ifNotExist",
+							"value": true
+						}
 					},
 					{
 						"propertyName": "Activated",
@@ -643,6 +663,10 @@ making sure that you maintain a proper JSON format.
 								"options": ["", "NULLS FIRST", "NULLS LAST"],
 								"propertyTooltip": "Specifies that nulls sort order"
 							}
+						},
+						"validation": {
+							"minLength": 1,
+							"required": true
 						}
 					},
 					{