feat: firebird use attachOrCreate on connect, add dbFileExtension and locaiton on server to tests

packages/tools/src/SqlDumper.ts

@@ -265,11 +265,11 @@ export class SqlDumper implements AlterProcessor {
         this.columnDefault(column);
       }
       if (includeNullable && !this.dialect?.specificNullabilityImplementation) {
-        this.put(column.notNull ? '^not ^null' : '^null');
+        this.put(column.notNull ? '^not ^null' : this.dialect.implicitNullDeclaration ? '^null' : '');
       }
     } else {
       if (includeNullable && !this.dialect?.specificNullabilityImplementation) {
-        this.put(column.notNull ? '^not ^null' : '^null');
+        this.put(column.notNull ? '^not ^null' : this.dialect.implicitNullDeclaration ? '^null' : '');
       }
       if (includeDefault && column.defaultValue?.toString()?.trim()) {
         this.columnDefault(column);

packages/types/dialect.d.ts

@@ -48,6 +48,7 @@ export interface SqlDialect {
   namedDefaultConstraint?: boolean;
 
   specificNullabilityImplementation?: boolean;
+  implicitNullDeclaration?: boolean;
   omitForeignKeys?: boolean;
   omitUniqueConstraints?: boolean;
   omitIndexes?: boolean;
@@ -67,6 +68,7 @@ export interface SqlDialect {
   requireFromDual?: boolean;
   userDatabaseNamePrefix?: string; // c## in Oracle
   upperCaseAllDbObjectNames?: boolean;
+  dbFileExtension?: string;
   defaultValueBeforeNullability?: boolean;
 
   predefinedDataTypes: string[];

packages/types/test-engines.d.ts

@@ -60,6 +60,8 @@ export type TestEngineInfo = {
   defaultSchemaName?: string;
 
   generateDbFile?: boolean;
+  generateDbFileOnServer?: boolean;
+  databaseFileLocationOnServer?: string;
   dbSnapshotBySeconds?: boolean;
   dumpFile?: string;
   dumpChecks?: Array<{ sql: string; res: string }>;