diff options
Diffstat (limited to 'sql/sql_schema.h')
| -rw-r--r-- | sql/sql_schema.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sql/sql_schema.h b/sql/sql_schema.h index 7c8f284d526..36914e36990 100644 --- a/sql/sql_schema.h +++ b/sql/sql_schema.h @@ -19,6 +19,9 @@ #include "mysqld.h" #include "lex_string.h" +class Lex_ident_sys; +class Create_func; + class Schema { LEX_CSTRING m_name; @@ -33,6 +36,34 @@ public: { return src; } + + + /** + Find the native function builder associated with a given function name. + @param thd The current thread + @param name The native function name + @return The native function builder associated with the name, or NULL + */ + virtual Create_func *find_native_function_builder(THD *thd, + const LEX_CSTRING &name) + const; + /** + Find a native function builder, return an error if not found, + build an Item otherwise. + */ + Item *make_item_func_call_native(THD *thd, + const Lex_ident_sys &name, + List<Item> *args) const; + + // Builders for native SQL function with a special syntax in sql_yacc.yy + virtual Item *make_item_func_substr(THD *thd, + const Lex_substring_spec_st &spec) const; + + virtual Item *make_item_func_trim(THD *thd, const Lex_trim_st &spec) const; + virtual Item *make_item_func_replace(THD *thd, + Item *subj, + Item *find, + Item *replace) const; /* For now we have *hard-coded* compatibility schemas: schema_mariadb, schema_oracle, schema_maxdb. @@ -66,5 +97,6 @@ public: extern Schema mariadb_schema; +extern const Schema &oracle_schema_ref; #endif // SQL_SCHEMA_H_INCLUDED |