Manual merge of 5.0-runtime to 5.1-runtime

mysql-test/r/sp-error.result:
  Manual merge
mysql-test/r/sp.result:
  Manual merge
mysql-test/r/udf.result:
  Manual merge
mysql-test/t/sp.test:
  Manual merge
mysql-test/t/udf.test:
  Manual merge
sql/item_create.cc:
  Manual merge
sql/sp_head.cc:
  Manual merge
sql/sql_yacc.yy:
  Manual merge

mysql-test/r/sp-error.result

@@ -1226,7 +1226,7 @@ ERROR 42S02: Unknown table 'c' in field list
 drop procedure bug15091;
 drop function if exists bug16896;
 create aggregate function bug16896() returns int return 1;
-ERROR 42000: AGGREGATE is not supported for stored functions
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '() returns int return 1' at line 1
 DROP PROCEDURE IF EXISTS bug14702;
 CREATE IF NOT EXISTS PROCEDURE bug14702()
 BEGIN
@@ -1510,3 +1510,16 @@ FETCH cur1 INTO c;
 select c;
 CLOSE cur1;
 END' at line 4
+DROP DATABASE IF EXISTS mysqltest;
+CREATE DATABASE mysqltest;
+USE mysqltest;
+DROP DATABASE mysqltest;
+SELECT inexistent(), 1 + ,;
+ERROR 42000: FUNCTION inexistent does not exist
+SELECT inexistent();
+ERROR 42000: FUNCTION inexistent does not exist
+SELECT .inexistent();
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '()' at line 1
+SELECT ..inexistent();
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.inexistent()' at line 1
+USE test;

mysql-test/r/sp.result

@@ -6796,6 +6796,22 @@ f1()
 DROP TABLE t1;
 DROP FUNCTION f1;
 
+DROP PROCEDURE IF EXISTS db28318_a.t1;
+DROP PROCEDURE IF EXISTS db28318_b.t2;
+DROP DATABASE IF EXISTS db28318_a;
+DROP DATABASE IF EXISTS db28318_b;
+CREATE DATABASE db28318_a;
+CREATE DATABASE db28318_b;
+CREATE PROCEDURE db28318_a.t1() SELECT "db28318_a.t1";
+CREATE PROCEDURE db28318_b.t2() CALL t1();
+use db28318_a;
+CALL db28318_b.t2();
+ERROR 42000: PROCEDURE db28318_b.t1 does not exist
+DROP PROCEDURE db28318_a.t1;
+DROP PROCEDURE db28318_b.t2;
+DROP DATABASE db28318_a;
+DROP DATABASE db28318_b;
+use test;
 End of 5.0 tests
 
 #

mysql-test/r/udf.result

@@ -95,10 +95,10 @@ FR
 DROP TABLE bug19904;
 CREATE DEFINER=CURRENT_USER() FUNCTION should_not_parse
 RETURNS STRING SONAME "should_not_parse.so";
-ERROR HY000: Incorrect usage of SONAME and DEFINER
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'RETURNS STRING SONAME "should_not_parse.so"' at line 2
 CREATE DEFINER=someone@somewhere FUNCTION should_not_parse
 RETURNS STRING SONAME "should_not_parse.so";
-ERROR HY000: Incorrect usage of SONAME and DEFINER
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'RETURNS STRING SONAME "should_not_parse.so"' at line 2
 create table t1(f1 int);
 insert into t1 values(1),(2);
 explain select myfunc_int(f1) from t1 order by 1;
@@ -214,7 +214,7 @@ DROP FUNCTION IF EXISTS metaphon;
 CREATE FUNCTION metaphon(a int) RETURNS int
 return 0;
 CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
-ERROR HY000: Function 'metaphon' already exists
+DROP FUNCTION metaphon;
 DROP FUNCTION metaphon;
 CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
 CREATE FUNCTION metaphon(a int) RETURNS int
@@ -334,6 +334,13 @@ Qcache_queries_in_cache	0
 drop table t1;
 drop function metaphon;
 set GLOBAL query_cache_size=default;
+DROP DATABASE IF EXISTS mysqltest;
+CREATE DATABASE mysqltest;
+USE mysqltest;
+DROP DATABASE mysqltest;
+CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
+DROP FUNCTION metaphon;
+USE test;
 CREATE TABLE const_len_bug (
 str_const varchar(4000),
 result1 varchar(4000),

mysql-test/t/sp.test

@@ -7871,6 +7871,37 @@ DROP FUNCTION f1;
 
 ###########################################################################
 
+#
+# Bug#28318 (CREATE FUNCTION (UDF) requires a schema)
+#
+
+--disable_warnings
+DROP PROCEDURE IF EXISTS db28318_a.t1;
+DROP PROCEDURE IF EXISTS db28318_b.t2;
+DROP DATABASE IF EXISTS db28318_a;
+DROP DATABASE IF EXISTS db28318_b;
+--enable_warnings
+
+CREATE DATABASE db28318_a;
+CREATE DATABASE db28318_b;
+
+CREATE PROCEDURE db28318_a.t1() SELECT "db28318_a.t1";
+CREATE PROCEDURE db28318_b.t2() CALL t1();
+
+use db28318_a;
+
+# In db28318_b.t2, t1 refers to db28318_b.t1
+--error ER_SP_DOES_NOT_EXIST
+CALL db28318_b.t2();
+
+DROP PROCEDURE db28318_a.t1;
+DROP PROCEDURE db28318_b.t2;
+DROP DATABASE db28318_a;
+DROP DATABASE db28318_b;
+use test;
+
+###########################################################################
+
 --echo End of 5.0 tests
 
 ###########################################################################

mysql-test/t/udf.test

@@ -206,10 +206,11 @@ DROP FUNCTION IF EXISTS metaphon;
 CREATE FUNCTION metaphon(a int) RETURNS int
 return 0;
 
+# this currently passes, and eclipse the stored function
 --replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
---error ER_UDF_EXISTS
 eval CREATE FUNCTION metaphon RETURNS STRING SONAME "$UDF_EXAMPLE_LIB";
 
+DROP FUNCTION metaphon;
 DROP FUNCTION metaphon;
 
 --replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB

sql/item_create.cc

@@ -2326,6 +2326,25 @@ Item*
 Create_qfunc::create(THD *thd, LEX_STRING name, List<Item> *item_list)
 {
   LEX_STRING db;
+
+  if (! thd->db && ! thd->lex->sphead)
+  {
+    /*
+      The proper error message should be in the lines of:
+        Can't resolve <name>() to a function call,
+        because this function:
+        - is not a native function,
+        - is not a user defined function,
+        - can not match a qualified (read: stored) function
+          since no database is selected.
+      Reusing ER_SP_DOES_NOT_EXIST have a message consistent with
+      the case when a default database exist, see Create_sp_func::create().
+    */
+    my_error(ER_SP_DOES_NOT_EXIST, MYF(0),
+             "FUNCTION", name.str);
+    return NULL;
+  }
+
   if (thd->lex->copy_db_to(&db.str, &db.length))
     return NULL;
 

sql/sp_head.cc

@@ -386,17 +386,43 @@ sp_eval_expr(THD *thd, Field *result_field, Item **expr_item_ptr)
  *
  */
 
+sp_name::sp_name(THD *thd, char *key, uint key_len)
+{
+  m_sroutines_key.str= key;
+  m_sroutines_key.length= key_len;
+  m_qname.str= ++key;
+  m_qname.length= key_len - 1;
+  if ((m_name.str= strchr(m_qname.str, '.')))
+  {
+    m_db.length= m_name.str - key;
+    m_db.str= strmake_root(thd->mem_root, key, m_db.length);
+    m_name.str++;
+    m_name.length= m_qname.length - m_db.length - 1;
+  }
+  else
+  {
+    m_name.str= m_qname.str;
+    m_name.length= m_qname.length;
+    m_db.str= 0;
+    m_db.length= 0;
+  }
+  m_explicit_name= false;
+}
+
 void
 sp_name::init_qname(THD *thd)
 {
-  m_sroutines_key.length=  m_db.length + m_name.length + 2;
+  const uint dot= !!m_db.length;
+  /* m_sroutines format: m_type + [database + dot] + name + nul */
+  m_sroutines_key.length= 1 + m_db.length + dot + m_name.length;
   if (!(m_sroutines_key.str= (char*) thd->alloc(m_sroutines_key.length + 1)))
     return;
   m_qname.length= m_sroutines_key.length - 1;
   m_qname.str= m_sroutines_key.str + 1;
-  sprintf(m_qname.str, "%.*s.%.*s",
-	  (int) m_db.length, (m_db.length ? m_db.str : ""),
-	  (int) m_name.length, m_name.str);
+  sprintf(m_qname.str, "%.*s%.*s%.*s",
+          (int) m_db.length, (m_db.length ? m_db.str : ""),
+          dot, ".",
+          (int) m_name.length, m_name.str);
 }