introduce SqlDialect.escape DO NOT MERGE until Column.escapedName is fixed (currently hardcoded for mariadb)

drift/lib/sqlite_keywords.dart

@@ -393,8 +393,7 @@ String escapeIfNeeded(String s, [SqlDialect dialect = SqlDialect.sqlite]) {
     isKeyword |= additionalMariaDBKeywords.contains(inUpperCase);
   }
 
-  if (isKeyword || _notInKeyword.hasMatch(s)) {
-    return dialect == SqlDialect.mariadb ? '`$s`' : '"$s"';
-  }
+  if (isKeyword || _notInKeyword.hasMatch(s)) return dialect.escape(s);
+
   return s;
 }

drift/lib/src/dsl/columns.dart

@@ -45,7 +45,7 @@ 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 => '`$name`'; // mariadb backtick escape DOT NOT MERGE
+  String get escapedName => '`$name`'; // mariadb backtick escape DOT NOT MERGE STILL
 }
 
 /// A column that stores int values.

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

@@ -88,7 +88,5 @@ class GenerationContext {
 
   /// Turns [columnName] into a safe SQL identifier by wrapping it in double
   /// quotes, or backticks depending on the dialect.
-  String identifier(String columnName) {
-    return dialect == SqlDialect.mariadb ? '`$columnName`' : '"$columnName"';
-  }
+  String identifier(String columnName) => dialect.escape(columnName);
 }

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

@@ -99,6 +99,7 @@ enum SqlDialect {
     integerType: 'INTEGER',
     realType: 'REAL',
     blobType: 'BLOB',
+    escapeChar: '"',
   ),
 
   /// (currently unsupported)
@@ -108,6 +109,7 @@ enum SqlDialect {
     integerType: '',
     blobType: '',
     realType: '',
+    escapeChar: '',
   ),
 
   /// PostgreSQL (currently supported in an experimental state)
@@ -117,6 +119,7 @@ enum SqlDialect {
     integerType: 'bigint',
     blobType: 'bytea',
     realType: 'float8',
+    escapeChar: '"',
   ),
 
   /// MariaDB (currently supported in an experimental state)
@@ -126,6 +129,7 @@ enum SqlDialect {
     integerType: 'BIGINT',
     blobType: 'BLOB',
     realType: 'DOUBLE',
+    escapeChar: '`',
   );
 
   final String booleanType;
@@ -133,6 +137,10 @@ enum SqlDialect {
   final String integerType;
   final String realType;
   final String blobType;
+  final String escapeChar;
+
+  /// Escapes [identifier] by wrapping it in [escapeChar].
+  String escape(String identifier) => '$escapeChar$identifier$escapeChar';
 
   const SqlDialect({
     required this.booleanType,
@@ -140,5 +148,6 @@ enum SqlDialect {
     required this.integerType,
     required this.realType,
     required this.blobType,
+    required this.escapeChar,
   });
 }

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

@@ -148,12 +148,12 @@ extension NameWithAlias on ResultSetImplementation<dynamic, dynamic> {
   /// for a table called users that has been aliased as "u".
   String get tableWithAlias {
     var dialect = attachedDatabase.executor.dialect;
+    var entityNameEscaped = dialect.escape(entityName);
+    var aliasedNameEscaped = dialect.escape(aliasedName);
     if (aliasedName == entityName) {
-      return dialect == SqlDialect.mariadb ? '`$entityName`' : '"$entityName"';
+      return entityNameEscaped;
     } else {
-      return dialect == SqlDialect.mariadb
-          ? '`$entityName` `$aliasedName`'
-          : '"$entityName" "$aliasedName"';
+      return '$entityNameEscaped $aliasedNameEscaped';
     }
   }
 }

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

@@ -75,9 +75,9 @@ Map<SqlDialect, String> defaultConstraints(DriftColumn column) {
   if (column.sqlType == DriftSqlType.bool) {
     final name = column.nameInSql;
     dialectSpecificConstraints[SqlDialect.sqlite]!
-        .add('CHECK ("$name" IN (0, 1))');
+        .add('CHECK (${SqlDialect.sqlite.escape(name)} IN (0, 1))');
     dialectSpecificConstraints[SqlDialect.mariadb]!
-        .add('CHECK (`$name` IN (0, 1))');
+        .add('CHECK (${SqlDialect.mariadb.escape(name)} IN (0, 1))');
   }
 
   for (final constraints in dialectSpecificConstraints.values) {