Fix type mapping: use correct FieldType values (number, object)

Co-authored-by: huangyiirene <7665279+huangyiirene@users.noreply.github.com>

Author: Copilot

packages/tools/cli/USAGE_EXAMPLES.md

@@ -624,15 +624,16 @@ The sync command automatically maps SQL types to ObjectQL field types:
 
 | SQL Type | ObjectQL Type |
 |----------|---------------|
-| INT, INTEGER, BIGINT | integer |
+| INT, INTEGER, BIGINT, SERIAL | number |
 | FLOAT, DOUBLE, DECIMAL, NUMERIC | number |
 | BOOLEAN, BIT | boolean |
-| VARCHAR, CHAR, TEXT | text |
-| TEXT, CLOB | textarea |
+| VARCHAR, CHAR | text |
+| TEXT, CLOB, LONGTEXT | textarea |
 | TIMESTAMP, DATETIME | datetime |
 | DATE | date |
 | TIME | time |
-| JSON, JSONB | json |
+| JSON, JSONB | object |
+| BLOB, BINARY, BYTEA | file |
 
 **Foreign Key Detection:**
 

packages/tools/cli/src/commands/sync.ts

@@ -2,7 +2,7 @@ import * as fs from 'fs';
 import * as path from 'path';
 import chalk from 'chalk';
 import * as yaml from 'js-yaml';
-import { IntrospectedSchema, IntrospectedTable, IntrospectedColumn, ObjectConfig, IObjectQL, FieldConfig } from '@objectql/types';
+import { IntrospectedSchema, IntrospectedTable, IntrospectedColumn, ObjectConfig, IObjectQL, FieldConfig, FieldType } from '@objectql/types';
 
 interface SyncOptions {
     config?: string;
@@ -167,7 +167,7 @@ function generateObjectDefinition(table: IntrospectedTable, schema: Introspected
         } else {
             // Regular field - map SQL type to ObjectQL type
             const fieldType = mapSqlTypeToObjectQL(column.type, column);
-            field.type = fieldType as any; // Type assertion needed as mapSqlTypeToObjectQL returns string
+            field.type = fieldType;
 
             // Add label
             field.label = formatLabel(column.name);
@@ -205,12 +205,12 @@ function generateObjectDefinition(table: IntrospectedTable, schema: Introspected
 /**
  * Map SQL native type to ObjectQL field type
  */
-function mapSqlTypeToObjectQL(sqlType: string, column: IntrospectedColumn): string {
+function mapSqlTypeToObjectQL(sqlType: string, column: IntrospectedColumn): FieldType {
     const type = sqlType.toLowerCase();
 
-    // Integer types
+    // Integer types - map to 'number'
     if (type.includes('int') || type.includes('serial') || type.includes('bigserial')) {
-        return 'integer';
+        return 'number';
     }
 
     // Float/Decimal types
@@ -240,9 +240,9 @@ function mapSqlTypeToObjectQL(sqlType: string, column: IntrospectedColumn): stri
         return 'textarea';
     }
 
-    // JSON types
+    // JSON types - map to 'object'
     if (type.includes('json') || type.includes('jsonb')) {
-        return 'json';
+        return 'object';
     }
 
     // Binary/Blob types