MDEV-5894 MySQL BUG#34750: Print database name in Unknown Table error message

mysql-test/r/drop.result

@@ -173,3 +173,39 @@ DROP TABLE t1, t1;
 ERROR 42000: Not unique table/alias: 't1'
 UNLOCK TABLES;
 DROP TABLE t1;
+#
+# BUG#34750: Print database name in Unknown Table error message
+#
+
+# Test error message when droping table/view
+DROP TABLE table1;
+ERROR 42S02: Unknown table 'test.table1'
+DROP TABLE table1,table2;
+ERROR 42S02: Unknown table 'test.table1,test.table2'
+DROP VIEW view1,view2,view3,view4;
+ERROR 42S02: Unknown table 'test.view1,test.view2,test.view3,test.view4'
+
+DROP TABLE IF EXISTS table1;
+Warnings:
+Note	1051	Unknown table 'test.table1'
+DROP TABLE IF EXISTS table1,table2;
+Warnings:
+Note	1051	Unknown table 'test.table1'
+Note	1051	Unknown table 'test.table2'
+DROP VIEW IF EXISTS view1,view2,view3,view4;
+Warnings:
+Note	1051	Unknown table 'test.view1'
+Note	1051	Unknown table 'test.view2'
+Note	1051	Unknown table 'test.view3'
+Note	1051	Unknown table 'test.view4'
+
+# Test error message when trigger does not find table
+CREATE TABLE table1(a int);
+CREATE TABLE table2(b int);
+CREATE TRIGGER trg1 AFTER INSERT ON table1
+FOR EACH ROW
+INSERT INTO table2 SELECT t.notable.*;
+INSERT INTO table1 VALUES (1);
+ERROR 42S02: Unknown table 't.notable'
+DROP TABLE table1,table2;
+# End BUG#34750

mysql-test/r/trigger.result

@@ -1944,7 +1944,7 @@ insert into table_25411_b select new.*;
 select * from table_25411_a;
 a
 insert into table_25411_a values (1);
-ERROR 42S02: Unknown table 'new'
+ERROR 42S02: Unknown table 'test.new'
 select * from table_25411_a;
 a
 1

mysql-test/r/view.result

@@ -201,7 +201,7 @@ c	d
 2	5
 3	10
 drop view v100;
-ERROR 42S02: Unknown table 'v100'
+ERROR 42S02: Unknown table 'test.v100'
 drop view t1;
 ERROR HY000: 'test.t1' is not VIEW
 drop table v1;
@@ -2872,7 +2872,7 @@ Tables_in_test
 t1
 v1
 DROP VIEW v2,v1;
-ERROR 42S02: Unknown table 'v2'
+ERROR 42S02: Unknown table 'test.v2'
 SHOW TABLES;
 Tables_in_test
 t1

mysql-test/suite/funcs_1/r/innodb_views.result

@@ -21307,7 +21307,7 @@ CREATE TABLE t1 ( f1 VARCHAR(1000) ) ENGINE = innodb ;
 CREATE VIEW  v1 AS SELECT f1 FROM t1;
 DROP VIEW v1;
 DROP VIEW v1;
-ERROR 42S02: Unknown table 'v1'
+ERROR 42S02: Unknown table 'test.v1'
 CREATE VIEW  v1 AS SELECT f1 FROM t1;
 DROP VIEW IF EXISTS v1;
 DROP VIEW IF EXISTS v1;
@@ -21324,31 +21324,31 @@ CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top  ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base  ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top CASCADE ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base CASCADE ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top RESTRICT ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base RESTRICT ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 
 Testcase 3.3.1.69, 3.3.1.70, 3.3.1.A5 

mysql-test/suite/funcs_1/r/memory_views.result

@@ -21309,7 +21309,7 @@ CREATE TABLE t1 ( f1 VARCHAR(1000) ) ENGINE = memory ;
 CREATE VIEW  v1 AS SELECT f1 FROM t1;
 DROP VIEW v1;
 DROP VIEW v1;
-ERROR 42S02: Unknown table 'v1'
+ERROR 42S02: Unknown table 'test.v1'
 CREATE VIEW  v1 AS SELECT f1 FROM t1;
 DROP VIEW IF EXISTS v1;
 DROP VIEW IF EXISTS v1;
@@ -21326,31 +21326,31 @@ CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top  ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base  ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top CASCADE ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base CASCADE ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 CREATE VIEW  v1_base AS SELECT * FROM t1;
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_top RESTRICT ;
 DROP VIEW v1_top;
-ERROR 42S02: Unknown table 'v1_top'
+ERROR 42S02: Unknown table 'test.v1_top'
 CREATE VIEW  v1_top AS SELECT * FROM v1_base;
 DROP VIEW v1_base RESTRICT ;
 DROP VIEW v1_base;
-ERROR 42S02: Unknown table 'v1_base'
+ERROR 42S02: Unknown table 'test.v1_base'
 DROP VIEW v1_top;
 
 Testcase 3.3.1.69, 3.3.1.70, 3.3.1.A5 

mysql-test/suite/rpl/r/rpl_drop_view.result

@@ -9,9 +9,9 @@ create view v1 as select * from t1;
 create view v2 as select * from t2;
 create view v3 as select * from t3;
 drop view not_exist_view;
-ERROR 42S02: Unknown table 'not_exist_view'
+ERROR 42S02: Unknown table 'test.not_exist_view'
 drop view v1, not_exist_view;
-ERROR 42S02: Unknown table 'not_exist_view'
+ERROR 42S02: Unknown table 'test.not_exist_view'
 select * from v1;
 ERROR 42S02: Table 'test.v1' doesn't exist
 drop view v2, v3;

mysql-test/t/drop.test

@@ -276,3 +276,40 @@ DROP TABLE t1, t1;
 
 UNLOCK TABLES;
 DROP TABLE t1;
+
+--echo #
+--echo # BUG#34750: Print database name in Unknown Table error message
+--echo #
+
+--echo 
+--echo # Test error message when droping table/view
+
+--error ER_BAD_TABLE_ERROR
+DROP TABLE table1;
+--error ER_BAD_TABLE_ERROR
+DROP TABLE table1,table2;
+--error ER_BAD_TABLE_ERROR
+DROP VIEW view1,view2,view3,view4;
+--echo
+DROP TABLE IF EXISTS table1;
+DROP TABLE IF EXISTS table1,table2;
+DROP VIEW IF EXISTS view1,view2,view3,view4;
+
+--echo
+--echo # Test error message when trigger does not find table
+
+CREATE TABLE table1(a int);
+CREATE TABLE table2(b int);
+
+# Database name is only available (for printing) if specified in 
+# the trigger definition
+CREATE TRIGGER trg1 AFTER INSERT ON table1
+FOR EACH ROW
+  INSERT INTO table2 SELECT t.notable.*;
+
+--error ER_BAD_TABLE_ERROR
+INSERT INTO table1 VALUES (1);
+
+DROP TABLE table1,table2;
+
+--echo # End BUG#34750

sql/sql_base.cc

@@ -8322,9 +8322,16 @@ insert_fields(THD *thd, Name_resolution_context *context, const char *db_name,
     meaningful message than ER_BAD_TABLE_ERROR.
   */
   if (!table_name)
-    my_message(ER_NO_TABLES_USED, ER(ER_NO_TABLES_USED), MYF(0));
+    my_error(ER_NO_TABLES_USED, MYF(0));
+  else if (!db_name && !thd->db)
+    my_error(ER_NO_DB_ERROR, MYF(0));
   else
-    my_error(ER_BAD_TABLE_ERROR, MYF(0), table_name);
+  {
+    char name[FN_REFLEN];
+    my_snprintf(name, sizeof(name), "%s.%s",
+                db_name ? db_name : thd->db, table_name);
+    my_error(ER_BAD_TABLE_ERROR, MYF(0), name);
+  }
 
   DBUG_RETURN(TRUE);
 }

sql/sql_view.cc

@@ -1652,7 +1652,7 @@ bool mysql_drop_view(THD *thd, TABLE_LIST *views, enum_drop_mode drop_mode)
       {
         if (non_existant_views.length())
           non_existant_views.append(',');
-        non_existant_views.append(String(view->table_name,system_charset_info));
+        non_existant_views.append(name);
       }
       else
       {