Don't remap tables from sql -> moor -> sql

extras/plugin_example/README.md

@@ -10,7 +10,7 @@ Currently, we support
 - navigation for references in sql queries
 
 ## Setup
-To debug this plugin, you'll need to perform these steps once. It is assumed that you
+To use this plugin, you'll need to perform these steps once. It is assumed that you
 have already cloned the `moor` repository.
 
 1. Make sure you run version `3.5.0` or later of the Dart extension in VS Code.
@@ -23,7 +23,10 @@ have already cloned the `moor` repository.
    ```
 3. Uncomment the plugin lines in `analysis_options.yaml`
   
-## Running
+## Debugging
+Note: If you only want to _use_ the plugin and don't care about debugging it, follow the step
+from the [user documentation](https://moor.simonbinder.eu/docs/using-sql/sql_ide/).
+
 After you completed the setup, these steps will open an editor instance that runs the plugin.
 1. chdir into `moor_generator` and run `lib/plugin.dart`. You can run that file from an IDE if
    you need debugging capabilities, but starting it from the command line is fine. Keep that

moor_generator/lib/src/analyzer/moor/create_table_reader.dart

@@ -121,9 +121,11 @@ class CreateTableReader {
       overrideDontWriteConstraints: true,
     );
 
-    return specifiedTable
-      ..declaration =
-          TableDeclaration(specifiedTable, step.file, null, table.definition);
+    final declaration = TableDeclaration(
+        specifiedTable, step.file, null, table.definition,
+        tableFromSqlParser: table);
+
+    return specifiedTable..declaration = declaration;
   }
 
   UsedTypeConverter _readTypeConverter(MappedBy mapper) {

moor_generator/lib/src/analyzer/sql_queries/meta/declarations.dart

@@ -39,8 +39,10 @@ class ColumnDeclaration extends BaseDeclaration {
 /// a referenced table was declared and provide navigation hints.
 class TableDeclaration extends BaseDeclaration {
   final SpecifiedTable table;
+  final Table tableFromSqlParser;
 
   TableDeclaration(this.table, FoundFile declarationFile,
-      Element dartDeclaration, AstNode moorDeclaration)
+      Element dartDeclaration, AstNode moorDeclaration,
+      {this.tableFromSqlParser})
       : super(declarationFile, dartDeclaration, moorDeclaration);
 }

moor_generator/lib/src/analyzer/sql_queries/type_mapping.dart

@@ -14,6 +14,11 @@ class TypeMapper {
   /// Convert a [SpecifiedTable] from moor into something that can be understood
   /// by the sqlparser library.
   Table extractStructure(SpecifiedTable table) {
+    final existingTable = table.declaration?.tableFromSqlParser;
+    if (existingTable != null) {
+      return existingTable;
+    }
+
     final columns = <TableColumn>[];
     for (final specified in table.columns) {
       final hint = specified.typeConverter != null