allow no space between the index table name and columns list

tools/dbutils/index.go

@@ -8,7 +8,7 @@ import (
 )
 
 var (
-	indexRegex       = regexp.MustCompile(`(?im)create\s+(unique\s+)?\s*index\s*(if\s+not\s+exists\s+)?(\S*)\s+on\s+(\S*)\s+\(([\s\S]*)\)(?:\s*where\s+([\s\S]*))?`)
+	indexRegex       = regexp.MustCompile(`(?im)create\s+(unique\s+)?\s*index\s*(if\s+not\s+exists\s+)?(\S*)\s+on\s+(\S*)\s*\(([\s\S]*)\)(?:\s*where\s+([\s\S]*))?`)
 	indexColumnRegex = regexp.MustCompile(`(?im)^([\s\S]+?)(?:\s+collate\s+([\w]+))?(?:\s+(asc|desc))?$`)
 )
 

tools/dbutils/index_test.go

@@ -18,9 +18,20 @@ func TestParseIndex(t *testing.T) {
 			`invalid`,
 			dbutils.Index{},
 		},
-		// simple
+		// simple (multiple spaces between the table and columns list)
 		{
-			`create index indexname on tablename (col1)`,
+			`create index indexname on tablename   (col1)`,
+			dbutils.Index{
+				IndexName: "indexname",
+				TableName: "tablename",
+				Columns: []dbutils.IndexColumn{
+					{Name: "col1"},
+				},
+			},
+		},
+		// simple (no space between the table and the columns list)
+		{
+			`create index indexname on tablename(col1)`,
 			dbutils.Index{
 				IndexName: "indexname",
 				TableName: "tablename",