using backticks instead of double quotes to escape and adding bool check constraint for mariadb

DO NOT MERGE THIS since Column.escapedName is hardcoded for mariadb dialect!

drift/lib/sqlite_keywords.dart

@@ -393,6 +393,8 @@ String escapeIfNeeded(String s, [SqlDialect dialect = SqlDialect.sqlite]) {
     isKeyword |= additionalMariaDBKeywords.contains(inUpperCase);
   }
 
-  if (isKeyword || _notInKeyword.hasMatch(s)) return '"$s"';
+  if (isKeyword || _notInKeyword.hasMatch(s)) {
+    return dialect == SqlDialect.mariadb ? '`$s`' : '"$s"';
+  }
   return s;
 }

drift/lib/src/dsl/columns.dart

@@ -43,7 +43,7 @@ abstract class Column<T extends Object> extends Expression<T> {
   /// In the past, this getter only used to add double-quotes when that is
   /// really needed (for instance because [name] is also a reserved keyword).
   /// For performance reasons, we unconditionally escape names now.
-  String get escapedName => '"$name"';
+  String get escapedName => '`$name`'; // mariadb backtick escape DOT NOT MERGE
 }
 
 /// A column that stores int values.

drift/lib/src/runtime/query_builder/generation_context.dart

@@ -87,6 +87,8 @@ class GenerationContext {
   void writeWhitespace() => buffer.write(' ');
 
   /// Turns [columnName] into a safe SQL identifier by wrapping it in double
-  /// quotes.
+  /// quotes, or backticks depending on the dialect.
-  String identifier(String columnName) => '"$columnName"';
+  String identifier(String columnName) {
+    return dialect == SqlDialect.mariadb ? '`$columnName`' : '"$columnName"';
+  }
 }

drift/lib/src/runtime/query_builder/schema/entities.dart

@@ -147,10 +147,13 @@ extension NameWithAlias on ResultSetImplementation<dynamic, dynamic> {
   /// can be used in select statements, as it returns something like "users u"
   /// for a table called users that has been aliased as "u".
   String get tableWithAlias {
+    var dialect = attachedDatabase.executor.dialect;
     if (aliasedName == entityName) {
-      return '"$entityName"';
+      return dialect == SqlDialect.mariadb ? '`$entityName`' : '"$entityName"';
     } else {
-      return '"$entityName" "$aliasedName"';
+      return dialect == SqlDialect.mariadb
+          ? '`$entityName` `$aliasedName`'
+          : '"$entityName" "$aliasedName"';
     }
   }
 }

drift_dev/lib/src/writer/utils/column_constraints.dart

@@ -73,9 +73,11 @@ Map<SqlDialect, String> defaultConstraints(DriftColumn column) {
   }
 
   if (column.sqlType == DriftSqlType.bool) {
-    final name = '"${column.nameInSql}"';
+    final name = column.nameInSql;
     dialectSpecificConstraints[SqlDialect.sqlite]!
-        .add('CHECK ($name IN (0, 1))');
+        .add('CHECK ("$name" IN (0, 1))');
+    dialectSpecificConstraints[SqlDialect.mariadb]!
+        .add('CHECK (`$name` IN (0, 1))');
   }
 
   for (final constraints in dialectSpecificConstraints.values) {