mssql bulk table writer

packages/types/dialect.d.ts

@@ -4,4 +4,5 @@ export interface SqlDialect {
   stringEscapeChar: string;
   offsetFetchRangeSyntax?: boolean;
   quoteIdentifier(s: string): string;
+  fallbackDataType?: string;
 }

packages/types/engines.d.ts

@@ -2,7 +2,7 @@ import stream from 'stream';
 import { QueryResult } from './query';
 import { SqlDialect } from './dialect';
 import { SqlDumper } from './dumper';
-import { DatabaseInfo, NamedObjectInfo } from './dbinfo';
+import { DatabaseInfo, NamedObjectInfo, TableInfo, ViewInfo, ProcedureInfo, FunctionInfo, TriggerInfo } from './dbinfo';
 
 export interface StreamOptions {
   recordset: (columns) => void;
@@ -12,13 +12,25 @@ export interface StreamOptions {
   info: (info) => void;
 }
 
+export interface WriteTableOptions {
+  dropIfExists?: boolean;
+  truncate?: boolean;
+  createIfNotExists?: boolean;
+}
+
 export interface EngineDriver {
   engine: string;
   connect(nativeModules, { server, port, user, password, database }): any;
   query(pool: any, sql: string): Promise<QueryResult>;
   stream(pool: any, sql: string, options: StreamOptions);
   readQuery(pool: any, sql: string): Promise<stream.Readable>;
-  writeTable(pool: any, { schemaName, pureName }): Promise<stream.Writeable>;
+  writeTable(pool: any, name: NamedObjectInfo, options: WriteTableOptions): Promise<stream.Writeable>;
+  analyseSingleObject(
+    pool: any,
+    name: NamedObjectInfo,
+    objectTypeField: keyof DatabaseInfo
+  ): Promise<TableInfo | ViewInfo | ProcedureInfo | FunctionInfo | TriggerInfo>;
+  analyseSingleTable(pool: any, name: NamedObjectInfo): Promise<TableInfo>;
   getVersion(pool: any): Promise<{ version: string }>;
   listDatabases(
     pool: any