Builder for SQL functions. More...

#include <cstddef>
#include "field_types.h"
#include "lex_string.h"
#include "my_inttypes.h"
#include "sql/parse_location.h"

Classes
class	Create_func
	Public function builder interface. More...

class	Create_qfunc
	Function builder for qualified functions. More...

class	Create_udf_func
	Function builder for User Defined Functions. More...

Functions
Create_func *	find_native_function_builder (const LEX_STRING &name)
	Find the native function builder associated with a given function name. More...

Create_qfunc *	find_qualified_function_builder (THD *thd)
	Find the function builder for qualified functions. More...

Item *	create_func_cast (THD thd, const POS &pos, Item arg, const Cast_type &type, bool as_array)
	This function does not store the reference to `type`. More...

Item *	create_func_cast (THD thd, const POS &pos, Item a, Cast_target cast_target, const CHARSET_INFO *cs)

Item *	create_func_json_value (THD thd, const POS &pos, Item arg, Item path, const Cast_type &type, Json_on_response_type on_empty_type, Item on_empty_default, Json_on_response_type on_error_type, Item *on_error_default)
	Creates an Item that represents a JSON_VALUE expression. More...

Item *	create_temporal_literal (THD thd, const char str, size_t length, const CHARSET_INFO *cs, enum_field_types type, bool send_error)
	Builder for datetime literals: TIME'00:00:00', DATE'2001-01-01', TIMESTAMP'2001-01-01 00:00:00'. More...

bool	item_create_init ()
	Load the hash table for native functions. More...

void	item_create_cleanup ()
	Empty the hash table for native functions. More...

Detailed Description

Builder for SQL functions.

Enumerations
enum class	Cast_target : unsigned char { Cast_target::ITEM_CAST_SIGNED_INT , Cast_target::ITEM_CAST_UNSIGNED_INT , Cast_target::ITEM_CAST_DATE , Cast_target::ITEM_CAST_TIME , Cast_target::ITEM_CAST_DATETIME , Cast_target::ITEM_CAST_YEAR , Cast_target::ITEM_CAST_CHAR , Cast_target::ITEM_CAST_DECIMAL , Cast_target::ITEM_CAST_JSON , Cast_target::ITEM_CAST_FLOAT , Cast_target::ITEM_CAST_DOUBLE , Cast_target::ITEM_CAST_POINT , Cast_target::ITEM_CAST_LINESTRING , Cast_target::ITEM_CAST_POLYGON , Cast_target::ITEM_CAST_MULTIPOINT , Cast_target::ITEM_CAST_MULTILINESTRING , Cast_target::ITEM_CAST_MULTIPOLYGON , Cast_target::ITEM_CAST_GEOMETRYCOLLECTION }

Classes