Merge v1.7.23

 - `SQL`:
   - Added `copy`, `isSharedDummy`, and `ensureNotSharedDummy`.
   - Fix `generateInsertRelationshipSQLs`: use `ensureNotSharedDummy`.

 - meta: ^1.16.0

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 1.7.23
+
+- `SQL`:
+  - Added `copy`, `isSharedDummy`, and `ensureNotSharedDummy`.
+  - Fix `generateInsertRelationshipSQLs`: use `ensureNotSharedDummy`.
+
+- meta: ^1.16.0
+
 ## 1.7.22
 
 - `APIModuleProxyHttpCaller`:

lib/src/bones_api_base.dart

@@ -42,7 +42,7 @@ typedef APILogger = void Function(APIRoot apiRoot, String type, String? message,
 /// Bones API Library class.
 class BonesAPI {
   // ignore: constant_identifier_names
-  static const String VERSION = '1.7.22';
+  static const String VERSION = '1.7.23';
 
   static bool _boot = false;
 

lib/src/bones_api_entity_db_sql.dart

@@ -140,7 +140,37 @@ class SQL implements SQLWrapper {
         _parametersValuesByPosition = parametersValuesByPosition,
         placeholderRegexp = placeholderRegexp ?? _defaultPlaceholderRegexp;
 
-  bool get isDummy => this == dummy;
+  SQL copy() => SQL(
+        sql,
+        positionalParameters?.toList(),
+        namedParameters?.map((k, v) => MapEntry(k, v)),
+        parametersByPlaceholder.map((k, v) => MapEntry(k, v)),
+        sqlCondition: sqlCondition,
+        sqlPositional: _sqlPositional,
+        parametersKeysByPosition: _parametersKeysByPosition?.toList(),
+        parametersValuesByPosition: _parametersValuesByPosition?.toList(),
+        condition: condition,
+        entityName: entityName,
+        idFieldName: idFieldName,
+        returnColumns: returnColumns?.toSet(),
+        returnColumnsAliases:
+            returnColumnsAliases?.map((k, v) => MapEntry(k, v)),
+        limit: limit,
+        mainTable: mainTable,
+        relationship: relationship,
+        tablesAliases: tablesAliases?.map((k, v) => MapEntry(k, v)),
+        placeholderRegexp: placeholderRegexp,
+      );
+
+  /// Ensures that this is not the [dummy] instance.
+  /// Returns a [copy] if necessary.
+  SQL ensureNotSharedDummy() => identical(this, dummy) ? copy() : this;
+
+  /// Returns `true` if this is the [dummy] instance.
+  /// See [ensureNotSharedDummy].
+  bool get isSharedDummy => identical(this, dummy);
+
+  bool get isDummy => identical(this, dummy) || sql == 'dummy';
 
   bool get isFullyDummy => isDummy && !hasPreOrPosSQL;
 
@@ -1567,7 +1597,12 @@ abstract class DBSQLAdapter<C extends Object> extends DBRelationalAdapter<C>
       var constrainSQL = _generateConstrainRelationshipSQL(
           tableScheme, table, field, id, otherTableName, otherIds);
 
-      sqls.last.posSQL = [constrainSQL];
+      var lastIdx = sqls.lastIndex;
+
+      var sqlsLast = sqls[lastIdx].ensureNotSharedDummy();
+      sqls[lastIdx] = sqlsLast;
+
+      sqlsLast.posSQL = [constrainSQL];
 
       return sqls;
     });
@@ -1696,7 +1731,7 @@ abstract class DBSQLAdapter<C extends Object> extends DBRelationalAdapter<C>
             sql, op.transaction, connection);
 
         if (sql.hasPosSQL) {
-          sql.posSQL!.map((e) {
+          return sql.posSQL!.map((e) {
             _logTransactionOperationSQL('insertRelationship[POS]', op, e);
             return doDeleteSQL(
                 entityName, e.mainTable!, e, op.transaction, connection);
@@ -2270,6 +2305,8 @@ abstract class DBSQLAdapter<C extends Object> extends DBRelationalAdapter<C>
         var posSql2 =
             SQL('DROP TABLE $q$tmpTable$q', [], {}, {}, mainTable: tmpTable);
 
+        deleteSQL = deleteSQL.ensureNotSharedDummy();
+
         deleteSQL.preSQL = [preSql];
         deleteSQL.posSQL = [posSql1, posSql2];
         deleteSQL.posSQLReturnIndex = 0;

pubspec.yaml

@@ -1,6 +1,6 @@
 name: bones_api
 description: Bones_API - A powerful API backend framework for Dart. It comes with a built-in HTTP Server, route handler, entity handler, SQL translator, and DB adapters.
-version: 1.7.22
+version: 1.7.23
 homepage: https://github.com/Colossus-Services/bones_api
 
 environment:
@@ -32,7 +32,7 @@ dependencies:
   shelf_gzip: ^4.1.0
   shelf_static: ^1.1.3
   args: ^2.5.0
-  meta: ^1.15.0
+  meta: ^1.16.0
   petitparser: ^6.0.2
   hotreloader: ^4.2.0
   logging: ^1.2.0