Index: ChangeLog
===================================================================
--- ChangeLog	(revision 736)
+++ ChangeLog	(working copy)
@@ -3,6 +3,7 @@
   Functionality added or changed:
 
   Bugs fixed:
+  * The wrong column size was returned for binary data. (Bug #30547)
   * SQLGetData() will now always return SQL_NO_DATA_FOUND on second call
     when no data left, even if requested size is 0. (Bug#30520)
   * SQLSetParam() caused memory allocation errors due to driver manager's 
Index: driver/utility.c
===================================================================
--- driver/utility.c	(revision 736)
+++ driver/utility.c	(working copy)
@@ -631,11 +631,11 @@
   case MYSQL_TYPE_BIT:
     /*
       We treat a BIT(n) as a SQL_BIT if n == 1, otherwise we treat it
-      as a SQL_BINARY, so length is (bits + 7) / 8. * 2
+      as a SQL_BINARY, so length is (bits + 7) / 8.
     */
     if (length == 1)
       return 1;
-    return (length + 7) / 8 * 2;
+    return (length + 7) / 8;
 
   case MYSQL_TYPE_ENUM:
   case MYSQL_TYPE_SET:
@@ -648,7 +648,7 @@
   case MYSQL_TYPE_BLOB:
   case MYSQL_TYPE_GEOMETRY:
     if (field->charsetnr == 63)
-      return length * 2;
+      return length;
     else
       return length / mbmaxlen;
   }
Index: test/my_basics.c
===================================================================
--- test/my_basics.c	(revision 736)
+++ test/my_basics.c	(working copy)
@@ -303,7 +303,7 @@
   is_num(my_fetch_int(hstmt1, 16), 30);
 
   ok_stmt(hstmt1, SQLFetch(hstmt1));
-  is_num(my_fetch_int(hstmt1, 7), 20);
+  is_num(my_fetch_int(hstmt1, 7), 10);
   is_num(my_fetch_int(hstmt1, 8), 10);
   is_num(my_fetch_int(hstmt1, 16), 10);
 
Index: test/my_types.c
===================================================================
--- test/my_types.c	(revision 736)
+++ test/my_types.c	(working copy)
@@ -665,7 +665,7 @@
 
   is_str(my_fetch_str(hstmt, col, 4), "b", 1);
   is_num(my_fetch_int(hstmt, 5), SQL_BINARY); /* DATA_TYPE */
-  is_num(my_fetch_int(hstmt, 7), 6); /* COLUMN_SIZE */
+  is_num(my_fetch_int(hstmt, 7), 3); /* COLUMN_SIZE */
   is_num(my_fetch_int(hstmt, 8), 3); /* BUFFER_LENGTH */
   is_num(my_fetch_int(hstmt, 16), 3); /* CHAR_OCTET_LENGTH */
 
Index: test/my_result.c
===================================================================
--- test/my_result.c	(revision 736)
+++ test/my_result.c	(working copy)
@@ -337,7 +337,7 @@
   is(desc_col_check(hstmt, 10, "c10", SQL_REAL,      7,  7,  0, SQL_NULLABLE) == OK);
   is(desc_col_check(hstmt, 11, "c11", SQL_BIGINT,    19, 19, 0,  SQL_NO_NULLS) == OK);
 
-  is(desc_col_check(hstmt, 12, "c12", SQL_VARCHAR,   24, 24, 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 12, "c12", SQL_VARCHAR,   12, 12, 0,  SQL_NULLABLE) == OK);
 
   is(desc_col_check(hstmt, 13, "c13", SQL_CHAR,      20, 20, 0,  SQL_NO_NULLS) == OK);
   is(desc_col_check(hstmt, 14, "c14", SQL_REAL,      7,  7,  0,  SQL_NULLABLE) == OK);
@@ -345,11 +345,11 @@
   is(desc_col_check(hstmt, 16, "c16", SQL_LONGVARCHAR, 65535, 65535, 0,  SQL_NULLABLE) == OK);
   is(desc_col_check(hstmt, 17, "c17", SQL_LONGVARCHAR, 16777215, 16777215, 0,  SQL_NULLABLE) == OK);
   is(desc_col_check(hstmt, 18, "c18", SQL_LONGVARCHAR, 4294967295 , 16777215 , 0,  SQL_NULLABLE) == OK);
-  is(desc_col_check(hstmt, 19, "c19", SQL_LONGVARBINARY, 255 * 2, 255, 0,  SQL_NULLABLE) == OK);
-  is(desc_col_check(hstmt, 20, "c20", SQL_LONGVARBINARY, 65535 * 2, 65535, 0,  SQL_NULLABLE) == OK);
-  is(desc_col_check(hstmt, 21, "c21", SQL_LONGVARBINARY, 16777215 * 2, 16777215, 0,  SQL_NULLABLE) == OK);
-  is(desc_col_check(hstmt, 22, "c22", SQL_LONGVARBINARY, 4294967295 * 2 , 16777215 , 0,  SQL_NULLABLE) == OK);
-  is(desc_col_check(hstmt, 23, "c23", SQL_LONGVARBINARY, 255 * 2, 5, 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 19, "c19", SQL_LONGVARBINARY, 255, 255, 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 20, "c20", SQL_LONGVARBINARY, 65535, 65535, 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 21, "c21", SQL_LONGVARBINARY, 16777215, 16777215, 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 22, "c22", SQL_LONGVARBINARY, 4294967295 , 16777215 , 0,  SQL_NULLABLE) == OK);
+  is(desc_col_check(hstmt, 23, "c23", SQL_LONGVARBINARY, 255, 5, 0,  SQL_NULLABLE) == OK);
 
   ok_stmt(hstmt, SQLFreeStmt(hstmt, SQL_CLOSE));