From 6b3067de4275d7fa195fe36eac7deed4b174338a Mon Sep 17 00:00:00 2001
From: siddontang <siddontang@gmail.com>
Date: Mon, 28 Sep 2015 16:22:02 +0800
Subject: [PATCH] parser: blob and text support field length option
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Manual doesn’t point this, but SQLAlchemy has this test and MySQL
parser handles this too.
---
 parser/parser.y       | 6 ++++--
 parser/parser_test.go | 3 +++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/parser/parser.y b/parser/parser.y
index 9278eb7202..03a1848eb6 100644
--- a/parser/parser.y
+++ b/parser/parser.y
@@ -3700,9 +3700,10 @@ BlobType:
 		x.Collate = charset.CharsetBin
 		$$ = x
 	}
-|	"BLOB"
+|	"BLOB" OptFieldLen
 	{
 		x := types.NewFieldType(mysql.TypeBlob)
+		x.Flen = $2.(int) 
 		x.Charset = charset.CharsetBin
 		x.Collate = charset.CharsetBin
 		$$ = x
@@ -3729,9 +3730,10 @@ TextType:
 		$$ = x
 
 	}
-|	"TEXT"
+|	"TEXT" OptFieldLen
 	{
 		x := types.NewFieldType(mysql.TypeBlob)
+		x.Flen = $2.(int) 
 		$$ = x
 	}
 |	"MEDIUMTEXT"
diff --git a/parser/parser_test.go b/parser/parser_test.go
index 5a8984670a..49887a9a8a 100644
--- a/parser/parser_test.go
+++ b/parser/parser_test.go
@@ -423,6 +423,9 @@ func (s *testParserSuite) TestParser0(c *C) {
 
 		// For national
 		{"create table t (c1 national char(2), c2 national varchar(2))", true},
+
+		// For blob and text field length
+		{"create table t (c1 blob(1024), c2 text(1024))", true},
 	}
 
 	for _, t := range table {