Merge mysql.com:/home/gluh/MySQL/Merge/4.1

into  mysql.com:/home/gluh/MySQL/Merge/4.1-opt

include/mysql_com.h

@@ -334,7 +334,7 @@ typedef struct st_udf_init
   unsigned int decimals;       /* for real functions */
   unsigned long max_length;    /* For string functions */
   char *ptr;                   /* free pointer for function data */
-  my_bool const_item;			/* 0 if result is independent of arguments */
+  my_bool const_item;          /* 1 if function always returns the same value */
 } UDF_INIT;
 
   /* Constants when using compression */

myisam/mi_check.c

@@ -454,7 +454,7 @@ int chk_key(MI_CHECK *param, register MI_INFO *info)
 
     if ((!(param->testflag & T_SILENT)))
       printf ("- check data record references index: %d\n",key+1);
-    if (keyinfo->flag & HA_FULLTEXT)
+    if (keyinfo->flag & (HA_FULLTEXT | HA_SPATIAL))
       full_text_keys++;
     if (share->state.key_root[key] == HA_OFFSET_ERROR &&
 	(info->state->records == 0 || keyinfo->flag & HA_FULLTEXT))

mysql-test/r/gis.result

@@ -668,7 +668,7 @@ def	test	t1	t1	g	g	255	4294967295	0	Y	144	0	63
 g
 select asbinary(g) from t1;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					asbinary(g)	252	8192	0	Y	128	0	63
+def					asbinary(g)	252	4294967295	0	Y	128	0	63
 asbinary(g)
 drop table t1;
 create table t1 (a TEXT, b GEOMETRY NOT NULL, SPATIAL KEY(b));
@@ -730,4 +730,36 @@ select geomfromtext(col9,col89) as a from t1;
 a
 NULL
 DROP TABLE t1;
+CREATE TABLE t1 (
+geomdata polygon NOT NULL,
+SPATIAL KEY index_geom (geomdata)
+) ENGINE=MyISAM DEFAULT CHARSET=latin2 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED;
+CREATE TABLE t2 (
+geomdata polygon NOT NULL,
+SPATIAL KEY index_geom (geomdata)
+) ENGINE=MyISAM DEFAULT CHARSET=latin2 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED;
+CREATE TABLE t3
+select 
+aswkb(ws.geomdata) AS geomdatawkb 
+from 
+t1 ws
+union 
+select 
+aswkb(ws.geomdata) AS geomdatawkb 
+from 
+t2 ws;
+describe t3;
+Field	Type	Null	Key	Default	Extra
+geomdatawkb	longblob	YES		NULL	
+drop table t1;
+drop table t2;
+drop table t3;
+create table t1(col1 geometry not null,col15 geometrycollection not
+null,spatial index(col15),index(col1(15)))engine=myisam;
+insert into t1 set col15 = GeomFromText('POINT(6 5)');
+insert into t1 set col15 = GeomFromText('POINT(6 5)');
+check table t1 extended;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+drop table t1;
 End of 4.1 tests

mysql-test/t/gis.test

@@ -427,4 +427,46 @@ INSERT INTO `t1` VALUES ('','0000-00-00');
 select geomfromtext(col9,col89) as a from t1;
 DROP TABLE t1;
 
+#
+# Bug #31158 Spatial, Union, LONGBLOB vs BLOB bug (crops data) 
+#
+
+CREATE TABLE t1 (
+  geomdata polygon NOT NULL,
+  SPATIAL KEY index_geom (geomdata)
+) ENGINE=MyISAM DEFAULT CHARSET=latin2 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED;
+
+CREATE TABLE t2 (
+  geomdata polygon NOT NULL,
+  SPATIAL KEY index_geom (geomdata)
+) ENGINE=MyISAM DEFAULT CHARSET=latin2 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED;
+
+CREATE TABLE t3
+select 
+    aswkb(ws.geomdata) AS geomdatawkb 
+  from 
+    t1 ws
+union 
+  select 
+    aswkb(ws.geomdata) AS geomdatawkb 
+  from 
+    t2 ws;
+
+describe t3;
+
+drop table t1;
+drop table t2;
+drop table t3;
+
+#
+# Bug #30284 spatial key corruption 
+#
+
+create table t1(col1 geometry not null,col15 geometrycollection not
+null,spatial index(col15),index(col1(15)))engine=myisam;
+insert into t1 set col15 = GeomFromText('POINT(6 5)');
+insert into t1 set col15 = GeomFromText('POINT(6 5)');
+check table t1 extended;
+drop table t1;
+
 --echo End of 4.1 tests

sql/field.cc

@@ -6975,7 +6975,7 @@ uint32 Field_blob::max_length()
   case 3:
     return 16777215 * field_charset->mbmaxlen;
   case 4:
-    return (uint32) 4294967295U;
+    return max_field_size;
   default:
     DBUG_ASSERT(0); // we should never go here
     return 0;

sql/field.h

@@ -26,6 +26,7 @@
 
 #define NOT_FIXED_DEC			31
 #define DATETIME_DEC                     6
+const uint32 max_field_size= (uint32) 4294967295U;
 
 class Send_field;
 class Protocol;

sql/item_geofunc.cc

@@ -29,7 +29,7 @@ void Item_geometry_func::fix_length_and_dec()
 {
   collation.set(&my_charset_bin);
   decimals=0;
-  max_length=MAX_BLOB_WIDTH;
+  max_length= max_field_size;
   maybe_null= 1;
 }
 

sql/mysqld.cc

@@ -193,7 +193,7 @@ typedef fp_except fp_except_t;
      this on freebsd
   */
 
-inline void reset_floating_point_exceptions()
+inline void set_proper_floating_point_mode()
 {
   /* Don't fall for overflow, underflow,divide-by-zero or loss of precision */
 #if defined(__i386__)
@@ -204,8 +204,22 @@ inline void reset_floating_point_exceptions()
 	     FP_X_IMP));
 #endif
 }
+#elif defined(__sgi)
+/* for IRIX to use set_fpc_csr() */
+#include <sys/fpu.h>
+
+inline void set_proper_floating_point_mode()
+{
+  /* Enable denormalized DOUBLE values support for IRIX */
+  {
+    union fpc_csr n;
+    n.fc_word = get_fpc_csr();
+    n.fc_struct.flush = 0;
+    set_fpc_csr(n.fc_word);
+  }
+}
 #else
-#define reset_floating_point_exceptions()
+#define set_proper_floating_point_mode()
 #endif /* __FreeBSD__ && HAVE_IEEEFP_H */
 
 } /* cplusplus */
@@ -2876,7 +2890,7 @@ static int init_server_components()
   query_cache_init();
   query_cache_resize(query_cache_size);
   randominit(&sql_rand,(ulong) start_time,(ulong) start_time/2);
-  reset_floating_point_exceptions();
+  set_proper_floating_point_mode();
   init_thr_lock();
 #ifdef HAVE_REPLICATION
   init_slave_list();

sql/protocol.cc

@@ -56,7 +56,10 @@ void send_error(THD *thd, uint sql_errno, const char *err)
 {
 #ifndef EMBEDDED_LIBRARY 
   uint length;
-  char buff[MYSQL_ERRMSG_SIZE+2], *pos;
+  /*
+    buff[]: sql_errno:2 + ('#':1 + SQLSTATE_LENGTH:5) + MYSQL_ERRMSG_SIZE:512
+  */
+  char buff[2+1+SQLSTATE_LENGTH+MYSQL_ERRMSG_SIZE], *pos;
 #endif
   const char *orig_err= err;
   NET *net= &thd->net;

sql/sql_table.cc

@@ -2429,12 +2429,12 @@ int mysql_create_like_table(THD* thd, TABLE_LIST* table,
     strxmov(src_path, (*tmp_table)->path, reg_ext, NullS);
   else
   {
-    strxmov(src_path, mysql_data_home, "/", src_db, "/", src_table,
-	    reg_ext, NullS);
+    char *tablename_pos= strxmov(src_path, mysql_data_home, "/", NullS);
+    strxmov(tablename_pos, src_db, "/", src_table, reg_ext, NullS);
+    if (lower_case_table_names)
+      my_casedn_str(files_charset_info, tablename_pos);
     /* Resolve symlinks (for windows) */
     fn_format(src_path, src_path, "", "", MYF(MY_UNPACK_FILENAME));
-    if (lower_case_table_names)
-      my_casedn_str(files_charset_info, src_path);
     if (access(src_path, F_OK))
     {
       my_error(ER_BAD_TABLE_ERROR, MYF(0), src_table);