diff options
Diffstat (limited to 'sql/sql_schema.cc')
| -rw-r--r-- | sql/sql_schema.cc | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sql/sql_schema.cc b/sql/sql_schema.cc index 0bf4a63c2f8..e2993f51c6d 100644 --- a/sql/sql_schema.cc +++ b/sql/sql_schema.cc @@ -32,6 +32,16 @@ public: return thd->type_handler_for_datetime(); return src; } + + Create_func *find_native_function_builder(THD*, const LEX_CSTRING&) const; + + Item *make_item_func_substr(THD *thd, + const Lex_substring_spec_st &spec) const; + Item *make_item_func_trim(THD *thd, const Lex_trim_st &spec) const; + Item *make_item_func_replace(THD *thd, + Item *subj, + Item *find, + Item *replace) const; }; @@ -56,6 +66,7 @@ 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"))); +const Schema &oracle_schema_ref= oracle_schema; Schema *Schema::find_by_name(const LEX_CSTRING &name) { @@ -78,3 +89,86 @@ Schema *Schema::find_implied(THD *thd) return &maxdb_schema; return &mariadb_schema; } + + +Create_func * +Schema::find_native_function_builder(THD *thd, const LEX_CSTRING &name) const +{ + return native_functions_hash.find(thd, name); +} + + +Create_func * +Schema_oracle::find_native_function_builder(THD *thd, + const LEX_CSTRING &name) const +{ + Create_func *create= native_functions_hash_oracle_overrides.find(thd, name); + if (create) + return create; + return native_functions_hash.find(thd, name); +} + + +Item *Schema::make_item_func_call_native(THD *thd, + const Lex_ident_sys &name, + List<Item> *args) const +{ + Create_func *builder= find_native_function_builder(thd, name); + if (builder) + return builder->create_func(thd, &name, args); + my_error(ER_FUNCTION_NOT_DEFINED, MYF(0), name.str); + return NULL; +} + + +Item *Schema::make_item_func_trim(THD *thd, const Lex_trim_st &spec) const +{ + return spec.make_item_func_trim_std(thd); +} + + +Item *Schema::make_item_func_substr(THD *thd, + const Lex_substring_spec_st &spec) const +{ + return spec.m_for ? + new (thd->mem_root) Item_func_substr(thd, spec.m_subject, spec.m_from, + spec.m_for) : + new (thd->mem_root) Item_func_substr(thd, spec.m_subject, spec.m_from); +} + + +Item *Schema_oracle::make_item_func_substr(THD *thd, + const Lex_substring_spec_st &spec) const +{ + return spec.m_for ? + new (thd->mem_root) Item_func_substr_oracle(thd, spec.m_subject, + spec.m_from, + spec.m_for) : + new (thd->mem_root) Item_func_substr_oracle(thd, spec.m_subject, + spec.m_from); +} + + +Item *Schema_oracle::make_item_func_trim(THD *thd, + const Lex_trim_st &spec) const +{ + return spec.make_item_func_trim_oracle(thd); +} + + +Item *Schema::make_item_func_replace(THD *thd, + Item *subj, + Item *find, + Item *replace) const +{ + return new (thd->mem_root) Item_func_replace(thd, subj, find, replace); +} + + +Item *Schema_oracle::make_item_func_replace(THD *thd, + Item *subj, + Item *find, + Item *replace) const +{ + return new (thd->mem_root) Item_func_replace_oracle(thd, subj, find, replace); +} |