Bug#10413 - Invalid column name is not rejected

  Stop ignoring name parts and check for validity


mysql-test/r/create.result:
  Test for bug#10413
mysql-test/t/create.test:
  Test for bug#10413
sql/sql_yacc.yy:
  Bug#10413
    Stop ignoring parts of fully qualified names.

mysql-test/r/create.result

@@ -563,3 +563,12 @@ select * from t2;
 b
 1
 drop table t1,t2;
+create table t1(column.name int);
+ERROR 42000: Incorrect table name 'column'
+create table t1(test.column.name int);
+ERROR 42000: Incorrect table name 'column'
+create table t1(xyz.t1.name int);
+ERROR 42000: Incorrect database name 'xyz'
+create table t1(t1.name int);
+create table t2(test.t2.name int);
+drop table t1,t2;

mysql-test/t/create.test

@@ -460,3 +460,16 @@ insert into t2 values ();
 select * from t1;
 select * from t2;
 drop table t1,t2;
+
+#
+# Bug#10413: Invalid column name is not rejected
+#
+--error 1103
+create table t1(column.name int);
+--error 1103
+create table t1(test.column.name int);
+--error 1102
+create table t1(xyz.t1.name int);
+create table t1(t1.name int);
+create table t2(test.t2.name int);
+drop table t1,t2;

sql/sql_yacc.yy

@@ -5016,7 +5016,31 @@ simple_ident:
 
 field_ident:
 	ident			{ $$=$1;}
-	| ident '.' ident	{ $$=$3;}	/* Skip schema name in create*/
+	| ident '.' ident '.' ident
+          {
+            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
+            if (my_strcasecmp(table_alias_charset, $1.str, table->db))
+            {
+              net_printf(YYTHD, ER_WRONG_DB_NAME, $1.str);
+              YYABORT;
+            }
+            if (my_strcasecmp(table_alias_charset, $3.str, table->real_name))
+            {
+              net_printf(YYTHD, ER_WRONG_TABLE_NAME, $3.str);
+              YYABORT;
+            }
+            $$=$5;
+          }
+	| ident '.' ident
+          {
+            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
+            if (my_strcasecmp(table_alias_charset, $1.str, table->alias))
+            {
+              net_printf(YYTHD, ER_WRONG_TABLE_NAME, $1.str);
+              YYABORT;
+            }
+            $$=$3;
+          }
 	| '.' ident		{ $$=$2;}	/* For Delphi */;
 
 table_ident: