diff --git a/appveyor.yml b/appveyor.yml
index a6a88e6..188476d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -52,7 +52,8 @@ install:
   - cmd: echo [mysqld] > c:\projects\server\data\my.ini
   - cmd: echo datadir=C:/projects/server/data >> c:\projects\server\data\my.ini
   - cmd: echo port=3306 >> c:\projects\server\data\my.ini
-  - cmd: echo innodb_buffer_pool_size=195M >> c:\projects\server\data\my.ini
+  - cmd: echo innodb_log_file_size=50M >> c:\projects\server\data\my.ini
+  - cmd: echo innodb_buffer_pool_size=200M >> c:\projects\server\data\my.ini
   - cmd: echo character-set-server=utf8mb4 >> c:\projects\server\data\my.ini
   - cmd: echo collation-server=utf8mb4_unicode_ci >> c:\projects\server\data\my.ini
   - cmd: type c:\projects\server\data\my.ini
diff --git a/documentation/readme.md b/documentation/readme.md
index 8ecb173..feffaae 100644
--- a/documentation/readme.md
+++ b/documentation/readme.md
@@ -224,11 +224,14 @@ connection.query({rowsAsArray:true, sql:'select * from animals'}, (err, res, fie
 
 ### Field metadata
 properties
-* `schema`: field schema
+* `db`: database schema name (alias `schema` exists for compatibilit with mysql2)
 * `table`: field table alias
 * `orgTable`: field table
 * `name`: field alias
 * `orgName`: field name
+* `columnLength`: column length
+* `columnType`: column type (see FieldType)
+* `decimals`: decimal length (for DECIMAL field type)
 
 methods
 * `isUnsigned()`: indicate if field type is unsigned
diff --git a/src/cmd/column-definition.js b/src/cmd/column-definition.js
index 598d63d..e921bec 100644
--- a/src/cmd/column-definition.js
+++ b/src/cmd/column-definition.js
@@ -22,31 +22,31 @@ class ColumnDefinition {
   }
 
   isUnsigned() {
-    return this._flags & FieldDetail.UNSIGNED;
+    return (this._flags & FieldDetail.UNSIGNED) > 0;
   }
 
   canBeNull() {
-    return this._flags & FieldDetail.NOT_NULL;
+    return (this._flags & FieldDetail.NOT_NULL) === 0;
   }
 
   isPrimaryKey() {
-    return this._flags & FieldDetail.PRIMARY_KEY;
+    return (this._flags & FieldDetail.PRIMARY_KEY) > 0;
   }
 
   isUniqueKey() {
-    return this._flags & FieldDetail.UNIQUE_KEY;
+    return (this._flags & FieldDetail.UNIQUE_KEY) > 0;
   }
 
   isMultipleKey() {
-    return this._flags & FieldDetail.MULTIPLE_KEY;
+    return (this._flags & FieldDetail.MULTIPLE_KEY) > 0;
   }
 
   isBlob() {
-    return this._flags & FieldDetail.BLOB;
+    return (this._flags & FieldDetail.BLOB) > 0;
   }
 
   isZeroFill() {
-    return this._flags & FieldDetail.ZEROFILL_FLAG;
+    return (this._flags & FieldDetail.ZEROFILL_FLAG) > 0;
   }
 
   isBinary() {
@@ -55,7 +55,7 @@ class ColumnDefinition {
     return this.collation.index === 63;
   }
   isAutoIncrement() {
-    return this._flags & FieldDetail.AUTO_INCREMENT;
+    return (this._flags & FieldDetail.AUTO_INCREMENT) > 0;
   }
 
   /**
@@ -112,6 +112,6 @@ for (let i = 0; i < props.length; i++) {
   addProperty(props[i], i);
 }
 //add alias for mysql2 compatibility
-addProperty("schema", 1);
+addProperty("schema", 0);
 
 module.exports = ColumnDefinition;
diff --git a/test/integration/test-metadata.js b/test/integration/test-metadata.js
new file mode 100644
index 0000000..58dfa0c
--- /dev/null
+++ b/test/integration/test-metadata.js
@@ -0,0 +1,86 @@
+"use strict";
+
+const base = require("../base.js");
+const assert = require("chai").assert;
+const Collations = require("../../src/const/collations.js");
+const FieldType = require("../../src/const/field-type");
+
+describe("metadata", () => {
+
+  it("result metadata values", function(done) {
+    shareConn.query(
+      "CREATE TEMPORARY TABLE metadatatable (id BIGINT not null primary key auto_increment, t varchar(32) UNIQUE, d DECIMAL(10,4) UNSIGNED ZEROFILL) COLLATE='utf8mb4_unicode_ci'"
+    );
+    shareConn.query("SELECT id as id1, t as t1, d as d1 FROM metadatatable as tm", (err, rows, meta) => {
+      assert.equal(meta.length, 3);
+
+      assert.equal(meta[0].db, 'testn');
+      assert.equal(meta[0].schema, 'testn');
+      assert.equal(meta[0].table, 'tm');
+      assert.equal(meta[0].orgTable, 'metadatatable');
+      assert.equal(meta[0].name, 'id1');
+      assert.equal(meta[0].orgName, 'id');
+      assert.equal(meta[0].collation, Collations.fromName("BINARY"));
+      assert.equal(meta[0].columnLength, 20);
+      assert.equal(meta[0].columnType, FieldType.LONGLONG);
+      assert.equal(meta[0].decimals, 0);
+      assert.equal(meta[0].isUnsigned(), false);
+      assert.equal(meta[0].canBeNull(), false);
+      assert.equal(meta[0].isPrimaryKey(), true);
+      assert.equal(meta[0].isUniqueKey(), false);
+      assert.equal(meta[0].isMultipleKey(), false);
+      assert.equal(meta[0].isBlob(), false);
+      assert.equal(meta[0].isZeroFill(), false);
+      assert.equal(meta[0].isBinary(), true);
+      assert.equal(meta[0].isAutoIncrement(), true);
+      assert.equal(meta[0].getPrecision(), 20);
+      assert.equal(meta[0].getDisplaySize(), 20);
+
+      assert.equal(meta[1].db, 'testn');
+      assert.equal(meta[1].schema, 'testn');
+      assert.equal(meta[1].table, 'tm');
+      assert.equal(meta[1].orgTable, 'metadatatable');
+      assert.equal(meta[1].name, 't1');
+      assert.equal(meta[1].orgName, 't');
+      assert.equal(meta[1].collation, Collations.fromName("UTF8MB4_UNICODE_CI"));
+      assert.equal(meta[1].columnLength, 128);
+      assert.equal(meta[1].columnType, FieldType.VAR_STRING);
+      assert.equal(meta[1].decimals, 0);
+      assert.equal(meta[1].isUnsigned(), false);
+      assert.equal(meta[1].canBeNull(), true);
+      assert.equal(meta[1].isPrimaryKey(), false);
+      assert.equal(meta[1].isUniqueKey(), true);
+      assert.equal(meta[1].isMultipleKey(), false);
+      assert.equal(meta[1].isBlob(), false);
+      assert.equal(meta[1].isZeroFill(), false);
+      assert.equal(meta[1].isBinary(), false);
+      assert.equal(meta[1].isAutoIncrement(), false);
+      assert.equal(meta[1].getPrecision(), 128);
+      assert.equal(meta[1].getDisplaySize(), 32);
+
+      assert.equal(meta[2].db, 'testn');
+      assert.equal(meta[2].schema, 'testn');
+      assert.equal(meta[2].table, 'tm');
+      assert.equal(meta[2].orgTable, 'metadatatable');
+      assert.equal(meta[2].name, 'd1');
+      assert.equal(meta[2].orgName, 'd');
+      assert.equal(meta[2].collation, Collations.fromName("BINARY"));
+      assert.equal(meta[2].columnLength, 11);
+      assert.equal(meta[2].columnType, FieldType.NEWDECIMAL);
+      assert.equal(meta[2].decimals, 4);
+      assert.equal(meta[2].isUnsigned(), true);
+      assert.equal(meta[2].canBeNull(), true);
+      assert.equal(meta[2].isPrimaryKey(), false);
+      assert.equal(meta[2].isUniqueKey(), false);
+      assert.equal(meta[2].isMultipleKey(), false);
+      assert.equal(meta[2].isBlob(), false);
+      assert.equal(meta[2].isZeroFill(), true);
+      assert.equal(meta[2].isBinary(), true);
+      assert.equal(meta[2].isAutoIncrement(), false);
+      assert.equal(meta[2].getPrecision(), 11);
+      assert.equal(meta[2].getDisplaySize(), 11);
+      done();
+    });
+  });
+
+});