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+/*
+ Copyright (c) 2020, MariaDB Corporation.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "mariadb.h"
+#include "sql_type.h"
+#include "sql_schema.h"
+#include "sql_class.h"
+
+class Schema_oracle: public Schema
+{
+public:
+ Schema_oracle(const LEX_CSTRING &name)
+ :Schema(name)
+ { }
+ const Type_handler *map_data_type(THD *thd, const Type_handler *src)
+ const
+ {
+ if (src == &type_handler_newdate)
+ return thd->type_handler_for_datetime();
+ return src;
+ }
+};
+
+
+class Schema_maxdb: public Schema
+{
+public:
+ Schema_maxdb(const LEX_CSTRING &name)
+ :Schema(name)
+ { }
+ const Type_handler *map_data_type(THD *thd, const Type_handler *src)
+ const
+ {
+ if (src == &type_handler_timestamp ||
+ src == &type_handler_timestamp2)
+ return thd->type_handler_for_datetime();
+ return src;
+ }
+};
+
+
+Schema mariadb_schema(Lex_cstring(STRING_WITH_LEN("mariadb_schema")));
+Schema_oracle oracle_schema(Lex_cstring(STRING_WITH_LEN("oracle_schema")));
+Schema_maxdb maxdb_schema(Lex_cstring(STRING_WITH_LEN("maxdb_schema")));
+
+
+Schema *Schema::find_by_name(const LEX_CSTRING &name)
+{
+ DBUG_ASSERT(name.str);
+ if (mariadb_schema.eq_name(name))
+ return &mariadb_schema;
+ if (oracle_schema.eq_name(name))
+ return &oracle_schema;
+ if (maxdb_schema.eq_name(name))
+ return &maxdb_schema;
+ return NULL;
+}
+
+
+Schema *Schema::find_implied(THD *thd)
+{
+ if (thd->variables.sql_mode & MODE_ORACLE)
+ return &oracle_schema;
+ if (thd->variables.sql_mode & MODE_MAXDB)
+ return &maxdb_schema;
+ return &mariadb_schema;
+}