|
| | Item_func_set_user_var (Name_string a, Item *b, bool delayed) |
| |
| | Item_func_set_user_var (const POS &pos, Name_string a, Item *b, bool delayed) |
| |
| | Item_func_set_user_var (THD *thd, Item_func_set_user_var *item) |
| |
| enum Functype | functype () const override |
| |
| double | val_real () override |
| |
| longlong | val_int () override |
| |
| String * | val_str (String *str) override |
| |
| my_decimal * | val_decimal (my_decimal *) override |
| |
| bool | update_hash (const void *ptr, uint length, enum Item_result type, const CHARSET_INFO *cs, Derivation dv, bool unsigned_arg) |
| |
| bool | send (Protocol *protocol, String *str_arg) override |
| | This is only called from items that is not of type item_field. More...
|
| |
| void | make_field (Send_field *tmp_field) override |
| |
| bool | check (bool use_result_field) |
| | This functions is invoked on SET @variable or @variable:= expression. More...
|
| |
| void | save_item_result (Item *item) |
| | Evaluate and store item's result. More...
|
| |
| bool | update () |
| | This functions is invoked on SET @variable or @variable:= expression. More...
|
| |
| enum Item_result | result_type () const override |
| |
| bool | fix_fields (THD *thd, Item **ref) override |
| |
| bool | resolve_type (THD *) override |
| | Resolve type-related information for this item, such as result field type, maximum size, precision, signedness, character set and collation. More...
|
| |
| void | print (const THD *thd, String *str, enum_query_type query_type) const override |
| | This method is used for to: More...
|
| |
| void | print_assignment (const THD *thd, String *str, enum_query_type query_type) const |
| |
| const char * | func_name () const override |
| |
| type_conversion_status | save_in_field (Field *field, bool no_conversions, bool can_use_result_field) |
| |
| void | save_org_in_field (Field *field) override |
| |
| bool | set_entry (THD *thd, bool create_if_not_exists) |
| |
| void | cleanup () override |
| |
| | Item_var_func () |
| |
| | Item_var_func (const POS &pos) |
| |
| | Item_var_func (THD *thd, Item_var_func *item) |
| |
| | Item_var_func (Item *a) |
| |
| | Item_var_func (const POS &pos, Item *a) |
| |
| bool | get_date (MYSQL_TIME *ltime, my_time_flags_t fuzzydate) override |
| |
| bool | get_time (MYSQL_TIME *ltime) override |
| |
| bool | check_function_as_value_generator (uchar *checker_args) override |
| | Check if this item is allowed for a virtual column or inside a default expression. More...
|
| |
| enum Type | type () const override |
| |
| | Item_func () |
| |
| | Item_func (const POS &pos) |
| |
| | Item_func (Item *a) |
| |
| | Item_func (const POS &pos, Item *a) |
| |
| | Item_func (Item *a, Item *b) |
| |
| | Item_func (const POS &pos, Item *a, Item *b) |
| |
| | Item_func (Item *a, Item *b, Item *c) |
| |
| | Item_func (const POS &pos, Item *a, Item *b, Item *c) |
| |
| | Item_func (Item *a, Item *b, Item *c, Item *d) |
| |
| | Item_func (const POS &pos, Item *a, Item *b, Item *c, Item *d) |
| |
| | Item_func (Item *a, Item *b, Item *c, Item *d, Item *e) |
| |
| | Item_func (const POS &pos, Item *a, Item *b, Item *c, Item *d, Item *e) |
| |
| | Item_func (List< Item > &list) |
| |
| | Item_func (const POS &pos, PT_item_list *opt_list) |
| |
| | Item_func (THD *thd, Item_func *item) |
| |
| bool | itemize (Parse_context *pc, Item **res) override |
| | The same as contextualize()/contextualize_() but with additional parameter. More...
|
| |
| bool | fix_func_arg (THD *, Item **arg) |
| |
| void | fix_after_pullout (SELECT_LEX *parent_select, SELECT_LEX *removed_select) override |
| | Fix after tables have been moved from one select_lex level to the parent level, e.g by semijoin conversion. More...
|
| |
| virtual table_map | get_initial_pseudo_tables () const |
| | Returns the pseudo tables depended upon in order to evaluate this function expression. More...
|
| |
| table_map | used_tables () const override |
| |
| table_map | not_null_tables () const override |
| |
| void | update_used_tables () override |
| |
| void | set_used_tables (table_map map) |
| |
| bool | eq (const Item *item, bool binary_cmp) const override |
| |
| virtual optimize_type | select_optimize (const THD *) |
| |
| virtual bool | have_rev_func () const |
| |
| virtual Item * | key_item () const |
| |
| Item ** | arguments () const |
| |
| void | set_arguments (List< Item > &list, bool context_free) |
| | Copy arguments from list to args array. More...
|
| |
| uint | argument_count () const |
| |
| void | split_sum_func (THD *thd, Ref_item_array ref_item_array, List< Item > &fields) override |
| | See comments in Item_cmp_func::split_sum_func() More...
|
| |
| void | print_op (const THD *thd, String *str, enum_query_type query_type) const |
| |
| void | print_args (const THD *thd, String *str, uint from, enum_query_type query_type) const |
| |
| virtual void | fix_num_length_and_dec () |
| |
| virtual bool | is_deprecated () const |
| |
| bool | get_arg0_date (MYSQL_TIME *ltime, my_time_flags_t fuzzy_date) |
| |
| bool | get_arg0_time (MYSQL_TIME *ltime) |
| |
| bool | is_null () override |
| |
| void | signal_divide_by_null () |
| |
| void | signal_invalid_argument_for_log () |
| |
| Field * | tmp_table_field () |
| |
| Field * | tmp_table_field (TABLE *t_arg) override |
| |
| Item * | get_tmp_table_item (THD *thd) override |
| |
| bool | agg_arg_charsets (DTCollation &c, Item **items, uint nitems, uint flags, int item_sep) |
| |
| bool | agg_arg_charsets_for_string_result (DTCollation &c, Item **items, uint nitems, int item_sep=1) |
| |
| bool | agg_arg_charsets_for_comparison (DTCollation &c, Item **items, uint nitems, int item_sep=1) |
| |
| bool | agg_arg_charsets_for_string_result_with_comparison (DTCollation &c, Item **items, uint nitems, int item_sep=1) |
| |
| bool | walk (Item_processor processor, enum_walk walk, uchar *arg) override |
| | Traverses a tree of Items in prefix and/or postfix order. More...
|
| |
| Item * | transform (Item_transformer transformer, uchar *arg) override |
| | Transform an Item_func object with a transformer callback function. More...
|
| |
| Item * | compile (Item_analyzer analyzer, uchar **arg_p, Item_transformer transformer, uchar *arg_t) override |
| | Compile Item_func object with a processor and a transformer callback functions. More...
|
| |
| void | traverse_cond (Cond_traverser traverser, void *arg, traverse_order order) override |
| |
| double | check_float_overflow (double value) |
| | Throw an error if the input double number is not finite, i.e. More...
|
| |
| longlong | check_integer_overflow (longlong value, bool val_unsigned) |
| | Throw an error if the input BIGINT value represented by the (longlong value, bool unsigned flag) pair cannot be returned by the function, i.e. More...
|
| |
| int | check_decimal_overflow (int error) |
| | Throw an error if the error code of a DECIMAL operation is E_DEC_OVERFLOW. More...
|
| |
| bool | has_timestamp_args () |
| |
| bool | has_date_args () |
| |
| bool | has_time_args () |
| |
| bool | has_datetime_args () |
| |
| bool | check_valid_arguments_processor (uchar *) override |
| |
| Item * | gc_subst_transformer (uchar *arg) override |
| | Transformer function for GC substitution. More...
|
| |
| virtual void | replace_argument (THD *thd, Item **oldpp, Item *newp) |
| | Does essentially the same as THD::change_item_tree, plus maintains any necessary any invariants. More...
|
| |
| virtual enum_const_item_cache | can_cache_json_arg (Item *arg) |
| | Whether an arg of a JSON function can be cached to avoid repetitive string->JSON conversion. More...
|
| |
| virtual bool | has_any_hash_join_condition (const table_map left_tables, const QEP_TAB &right_table) const |
| | Returns true if this Item has at least one condition that can be implemented as hash join. More...
|
| |
| virtual bool | has_any_non_equi_join_condition () const |
| | Returns true if this Item has at least one non equi-join condition. More...
|
| |
| | Item_result_field () |
| |
| | Item_result_field (const POS &pos) |
| |
| | Item_result_field (THD *thd, const Item_result_field *item) |
| |
| | ~Item_result_field () override |
| |
| Field * | get_tmp_table_field () override |
| |
| void | set_result_field (Field *field) override |
| |
| bool | is_result_field () const override |
| |
| Field * | get_result_field () const override |
| |
| void | save_in_result_field (bool no_conversions) override |
| |
| bool | mark_field_in_map (uchar *arg) override |
| | Mark underlying field in read or write map of a table. More...
|
| |
| longlong | llrint_with_overflow_check (double realval) |
| |
| void | raise_numeric_overflow (const char *type_name) |
| |
| double | raise_float_overflow () |
| |
| longlong | raise_integer_overflow () |
| |
| int | raise_decimal_overflow () |
| |
| | Item (const Item &)=delete |
| |
| void | operator= (Item &)=delete |
| |
| | Item () |
| | Item constructor for general use. More...
|
| |
| | Item (THD *thd, const Item *item) |
| | Constructor used by Item_field, Item_ref & aggregate functions. More...
|
| |
| | Item (const POS &) |
| | Parse-time context-independent constructor. More...
|
| |
| virtual | ~Item () override |
| |
| void | rename (char *new_name) |
| | rename item (used for views, cleanup() return original name). More...
|
| |
| void | init_make_field (Send_field *tmp_field, enum enum_field_types type) |
| |
| virtual Field * | make_string_field (TABLE *table) |
| | Create a field to hold a string value from an item. More...
|
| |
| void | quick_fix_field () |
| |
| virtual void | set_can_use_prefix_key () |
| |
| type_conversion_status | save_in_field_no_warnings (Field *field, bool no_conversions) |
| | Save the item into a field but do not emit any warnings. More...
|
| |
| type_conversion_status | save_in_field (Field *field, bool no_conversions) |
| | Save a temporal value in packed longlong format into a Field. More...
|
| |
| bool | evaluate (THD *thd, String *str) |
| | Evaluate item, possibly using the supplied buffer. More...
|
| |
| virtual enum Item_result | numeric_context_result_type () const |
| | Result type when an item appear in a numeric context. More...
|
| |
| enum Item_result | temporal_with_date_as_number_result_type () const |
| | Similar to result_type() but makes DATE, DATETIME, TIMESTAMP pretend to be numbers rather than strings. More...
|
| |
| enum_field_types | data_type () const |
| | Retrieve the derived data type of the Item. More...
|
| |
| void | set_data_type (enum_field_types data_type) |
| | Set the data type of the current Item. More...
|
| |
| void | set_data_type_bool () |
| |
| void | set_data_type_longlong () |
| | Set the data type of the Item to be longlong. More...
|
| |
| void | set_data_type_decimal (uint8 precision, uint8 dec) |
| | Set the data type of the Item to be decimal. More...
|
| |
| void | set_data_type_double () |
| | Set the data type of the Item to be double precision floating point. More...
|
| |
| void | set_data_type_float () |
| | Set the data type of the Item to be single precision floating point. More...
|
| |
| void | set_data_type_string_init () |
| | Initialize an Item to be of VARCHAR type, other properties undetermined. More...
|
| |
| void | set_data_type_string (uint32 max_l) |
| | Set the Item to be variable length string. More...
|
| |
| void | set_data_type_string (ulonglong max_char_length_arg) |
| | Set the Item to be variable length string. More...
|
| |
| void | set_data_type_string (ulonglong max_l, const CHARSET_INFO *cs) |
| | Set the Item to be variable length string. More...
|
| |
| void | set_data_type_string (uint32 max_l, const DTCollation &coll) |
| | Set the Item to be variable length string. More...
|
| |
| void | set_data_type_char (uint32 max_l) |
| | Set the Item to be fixed length string. More...
|
| |
| void | set_data_type_char (uint32 max_l, const CHARSET_INFO *cs) |
| | Set the Item to be fixed length string. More...
|
| |
| void | set_data_type_blob (uint32 max_l) |
| | Set the Item to be of BLOB type. More...
|
| |
| void | set_data_type_date () |
| | Set all type properties for Item of DATE type. More...
|
| |
| void | set_data_type_time (uint8 fsp) |
| | Set all type properties for Item of TIME type. More...
|
| |
| void | set_data_type_datetime (uint8 fsp) |
| | Set all properties for Item of DATETIME type. More...
|
| |
| void | set_data_type_timestamp (uint8 fsp) |
| | Set all properties for Item of TIMESTAMP type. More...
|
| |
| void | set_data_type_json () |
| | Set the data type of the Item to be JSON. More...
|
| |
| void | set_data_type_year () |
| | Set the data type of the Item to be YEAR. More...
|
| |
| void | set_data_type_geometry () |
| | Set the Item to be of GEOMETRY type. More...
|
| |
| void | set_data_type_from_result (Item_result result, uint32 length) |
| | Set type information of Item from "result" information. More...
|
| |
| void | set_data_type_from_item (Item *item) |
| | Set data type properties of the item from the properties of another item. More...
|
| |
| virtual Item_result | cast_to_int_type () const |
| |
| void | aggregate_type (Bounds_checked_array< Item *> items) |
| | Aggregates data types from array of items into current item. More...
|
| |
| virtual enum_monotonicity_info | get_monotonicity_info () const |
| |
| bool | is_null_value () |
| | For template-compatibility with Field. More...
|
| |
| virtual longlong | val_int_endpoint (bool left_endp, bool *incl_endp) |
| |
| virtual longlong | val_date_temporal () |
| | Return date value of item in packed longlong format. More...
|
| |
| virtual longlong | val_time_temporal () |
| | Return time value of item in packed longlong format. More...
|
| |
| longlong | val_temporal_by_field_type () |
| | Return date or time value of item in packed longlong format, depending on item field type. More...
|
| |
| longlong | val_temporal_with_round (enum_field_types type, uint8 dec) |
| | Get date or time value in packed longlong format. More...
|
| |
| ulonglong | val_uint () |
| |
| virtual String * | val_str_ascii (String *str) |
| |
| virtual bool | val_bool () |
| |
| virtual bool | val_json (Json_wrapper *result) |
| | Get a JSON value from an Item. More...
|
| |
| virtual float | get_filtering_effect (THD *thd, table_map filter_for_table, table_map read_tables, const MY_BITMAP *fields_to_ignore, double rows_in_table) |
| | Calculate the filter contribution that is relevant for table 'filter_for_table' for this item. More...
|
| |
| bool | error_json () |
| | Get the value to return from val_json() in case of errors. More...
|
| |
| bool | get_date_from_non_temporal (MYSQL_TIME *ltime, my_time_flags_t fuzzydate) |
| | Convert a non-temporal type to date. More...
|
| |
| bool | get_time_from_non_temporal (MYSQL_TIME *ltime) |
| | Convert a non-temporal type to time. More...
|
| |
| type_conversion_status | save_time_in_field (Field *field) |
| |
| type_conversion_status | save_date_in_field (Field *field) |
| |
| type_conversion_status | save_str_value_in_field (Field *field, String *result) |
| |
| virtual const char * | full_name () const |
| |
| virtual bool | basic_const_item () const |
| | Returns true if this is a simple constant item like an integer, not a constant expression. More...
|
| |
| virtual Item * | clone_item () const |
| |
| virtual cond_result | eq_cmp_result () const |
| |
| uint | float_length (uint decimals_par) const |
| |
| virtual uint | decimal_precision () const |
| |
| int | decimal_int_part () const |
| |
| virtual uint | time_precision () |
| | TIME precision of the item: 0..6. More...
|
| |
| virtual uint | datetime_precision () |
| | DATETIME precision of the item: 0..6. More...
|
| |
| bool | const_item () const |
| | Returns true if item is constant, regardless of query evaluation state. More...
|
| |
| bool | const_for_execution () const |
| | Returns true if item is constant during one query execution. More...
|
| |
| bool | may_evaluate_const (const THD *thd) const |
| | Return true if this is a const item that may be evaluated in the current phase of statement processing. More...
|
| |
| void | print_item_w_name (const THD *thd, String *, enum_query_type query_type) const |
| |
| void | print_for_order (const THD *thd, String *str, enum_query_type query_type, bool used_alias) const |
| | Prints the item when it's part of ORDER BY and GROUP BY. More...
|
| |
| void | split_sum_func2 (THD *thd, Ref_item_array ref_item_array, List< Item > &fields, Item **ref, bool skip_registered) |
| |
| virtual bool | get_timeval (struct timeval *tm, int *warnings) |
| | Get timestamp in "struct timeval" format. More...
|
| |
| bool | update_null_value () |
| | Make sure the null_value member has a correct value. More...
|
| |
| virtual void | apply_is_true () |
| | Apply the IS TRUE truth property, meaning that an UNKNOWN result and a FALSE result are treated the same. More...
|
| |
| virtual bool | is_bool_func () const |
| |
| virtual void | no_rows_in_result () |
| |
| virtual Item * | copy_or_same (THD *) |
| |
| virtual Item * | copy_andor_structure (THD *) |
| |
| virtual Item * | real_item () |
| |
| virtual Item * | substitutional_item () |
| |
| virtual void | set_runtime_created () |
| |
| virtual const CHARSET_INFO * | compare_collation () const |
| |
| virtual const CHARSET_INFO * | charset_for_protocol () const |
| |
| template<class T > |
| bool | walk_helper_thunk (uchar *arg) |
| |
| virtual bool | intro_version (uchar *) |
| |
| bool | cleanup_processor (uchar *) |
| | cleanup() item if it is resolved ('fixed'). More...
|
| |
| virtual bool | collect_item_field_processor (uchar *) |
| |
| virtual bool | add_field_to_set_processor (uchar *) |
| | Item::walk function. More...
|
| |
| virtual bool | visitor_processor (uchar *arg) |
| | A processor to handle the select lex visitor framework. More...
|
| |
| virtual bool | add_field_to_cond_set_processor (uchar *) |
| | Item::walk function. More...
|
| |
| virtual bool | remove_column_from_bitmap (uchar *arg) |
| | Visitor interface for removing all column expressions (Item_field) in this expression tree from a bitmap. More...
|
| |
| virtual bool | find_item_in_field_list_processor (uchar *) |
| |
| virtual bool | change_context_processor (uchar *) |
| |
| virtual bool | find_item_processor (uchar *arg) |
| |
| virtual bool | find_field_processor (uchar *) |
| | Is this an Item_field which references the given Field argument? More...
|
| |
| virtual bool | cast_incompatible_args (uchar *) |
| | Wrap incompatible arguments in CAST nodes to the expected data types. More...
|
| |
| virtual bool | references_select_expr_of (uchar *arg) |
| |
| virtual bool | reset_wf_state (uchar *arg) |
| | Reset execution state for such window function types as determined by arg. More...
|
| |
| virtual bool | used_tables_for_level (uchar *arg) |
| | Return used table information for the specified query block (level). More...
|
| |
| virtual bool | check_column_privileges (uchar *thd) |
| | Check privileges. More...
|
| |
| virtual bool | inform_item_in_cond_of_tab (uchar *) |
| |
| virtual bool | clean_up_after_removal (uchar *arg) |
| | Clean up after removing the item from the item tree. More...
|
| |
| bool | propagate_derived_used (uchar *) |
| | Propagate components that use referenced columns from derived tables. More...
|
| |
| bool | propagate_set_derived_used (uchar *) |
| | Called by Item::walk() to set all the referenced items' derived_used flag. More...
|
| |
| virtual bool | aggregate_check_distinct (uchar *) |
| |
| virtual bool | aggregate_check_group (uchar *) |
| |
| virtual bool | is_strong_side_column_not_in_fd (uchar *) |
| |
| virtual bool | is_column_not_in_fd (uchar *) |
| |
| virtual Bool3 | local_column (const SELECT_LEX *) const |
| |
| virtual bool | has_aggregate_ref_in_group_by (uchar *) |
| | Check if an aggregate is referenced from within the GROUP BY clause of the query block in which it is aggregated. More...
|
| |
| virtual bool | cache_const_expr_analyzer (uchar **cache_item) |
| | Check if an item is a constant one and can be cached. More...
|
| |
| Item * | cache_const_expr_transformer (uchar *item) |
| | Cache item if needed. More...
|
| |
| virtual bool | equality_substitution_analyzer (uchar **) |
| |
| virtual Item * | equality_substitution_transformer (uchar *) |
| |
| virtual bool | check_partition_func_processor (uchar *) |
| | Check if a partition function is allowed. More...
|
| |
| virtual bool | subst_argument_checker (uchar **arg) |
| |
| virtual bool | explain_subquery_checker (uchar **) |
| |
| virtual Item * | explain_subquery_propagator (uchar *) |
| |
| virtual Item * | equal_fields_propagator (uchar *) |
| |
| virtual bool | set_no_const_sub (uchar *) |
| |
| virtual Item * | replace_equal_field (uchar *) |
| |
| virtual bool | check_gcol_depend_default_processor (uchar *args) |
| | Check if a generated expression depends on DEFAULT function with specific column name as argument. More...
|
| |
| virtual Item * | this_item () |
| |
| virtual const Item * | this_item () const |
| |
| virtual Item ** | this_item_addr (THD *, Item **addr_arg) |
| |
| virtual uint | cols () const |
| |
| virtual Item * | element_index (uint) |
| |
| virtual Item ** | addr (uint) |
| |
| virtual bool | check_cols (uint c) |
| |
| virtual bool | null_inside () |
| |
| virtual void | bring_value () |
| |
| Field * | tmp_table_field_from_field_type (TABLE *table, bool fixed_length) |
| | Create a field based on field_type of argument. More...
|
| |
| virtual Item_field * | field_for_view_update () |
| |
| virtual Item * | truth_transformer (THD *thd, Bool_test test) |
| | Informs an item that it is wrapped in a truth test, in case it wants to transforms itself to implement this test by itself. More...
|
| |
| virtual Item * | update_value_transformer (uchar *) |
| |
| virtual Item * | safe_charset_converter (THD *thd, const CHARSET_INFO *tocs) |
| |
| void | delete_self () |
| |
| virtual bool | is_splocal () const |
| |
| virtual Settable_routine_parameter * | get_settable_routine_parameter () |
| |
| bool | is_temporal_with_date () const |
| |
| bool | is_temporal_with_date_and_time () const |
| |
| bool | is_temporal_with_time () const |
| |
| bool | is_temporal () const |
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| bool | has_compatible_context (Item *item) const |
| | Check whether this and the given item has compatible comparison context. More...
|
| |
| virtual Field::geometry_type | get_geometry_type () const |
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| String * | check_well_formed_result (String *str, bool send_error, bool truncate) |
| | Verifies that the input string is well-formed according to its character set. More...
|
| |
| bool | eq_by_collation (Item *item, bool binary_cmp, const CHARSET_INFO *cs) |
| |
| virtual bool | is_expensive () |
| |
| uint32 | max_char_length () const |
| |
| void | fix_char_length (uint32 max_char_length_arg) |
| |
| virtual bool | is_outer_field () const |
| |
| bool | is_blob_field () const |
| | Check if an item either is a blob field, or will be represented as a BLOB field if a field is created based on this item. More...
|
| |
| bool | has_subquery () const |
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| bool | has_stored_program () const |
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| bool | has_aggregation () const |
| |
| void | set_aggregation () |
| | Set the "has aggregation" property. More...
|
| |
| void | reset_aggregation () |
| | Reset the "has aggregation" property. More...
|
| |
| bool | has_wf () const |
| |
| void | set_wf () |
| | Set the "has window function" property. More...
|
| |
| bool | has_rollup_expr () const |
| |
| void | set_rollup_expr () |
| | Set the property: this item (tree) contains a reference to a ROLLUP expr. More...
|
| |
| bool | has_grouping_func () const |
| |
| void | set_grouping_func () |
| | Set the property: this item is a call to GROUPING. More...
|
| |
| virtual bool | created_by_in2exists () const |
| | Whether this Item was created by the IN->EXISTS subquery transformation. More...
|
| |
| bool | is_derived_used () const |
| |
| void | mark_subqueries_optimized_away () |
| |
| virtual bool | gc_subst_analyzer (uchar **) |
| | Analyzer function for GC substitution. More...
|
| |
| virtual bool | replace_field_processor (uchar *) |
| | A processor that replaces any Fields with a Create_field_wrapper. More...
|
| |
| bool | can_be_substituted_for_gc () const |
| | Check if this item is of a type that is eligible for GC substitution. More...
|
| |
| void | aggregate_decimal_properties (Item **item, uint nitems) |
| | Set precision and decimals of function when this depends on arguments' values for these quantities. More...
|
| |
| void | aggregate_float_properties (Item **item, uint nitems) |
| | Set max_length and decimals of function if function is floating point and result length/precision depends on argument ones. More...
|
| |
| void | aggregate_char_length (Item **args, uint nitems) |
| | Set the maximum number of characters required by any of the items in args. More...
|
| |
| void | aggregate_temporal_properties (Item **item, uint nitems) |
| | Set fractional seconds precision for temporal functions. More...
|
| |
| bool | aggregate_string_properties (const char *name, Item **item, uint nitems) |
| | Aggregate string properties (character set, collation and maximum length) for string function. More...
|
| |
| void | aggregate_num_type (Item_result result_type, Item **item, uint nitems) |
| | This function is used to resolve type for numeric result type of CASE, COALESCE, IF and LEAD/LAG. More...
|
| |
| virtual bool | repoint_const_outer_ref (uchar *arg) |
| | This function applies only to Item_field objects referred to by an Item_ref object that has been marked as a const_item. More...
|
| |
| virtual Field * | get_orig_field () |
| |
| virtual void | set_orig_field (Field *) |
| |
| virtual bool | strip_db_table_name_processor (uchar *) |
| |
| virtual bool | set_table_name (uchar *) |
| | Noop in Item for items that are not subclasses of Item_ident. More...
|
| |
| virtual bool | supports_partial_update (const Field_json *field) const |
| | Check if this expression can be used for partial update of a given JSON column. More...
|
| |
| virtual bool | returns_array () const |
| | Whether the item returns array of its data type. More...
|
| |
| virtual void | allow_array_cast () |
| |
A helper funciton to ensure proper usage of CAST(. More...
|
| |
| virtual | ~Parse_tree_node_tmpl () |
| |
| bool | is_contextualized () const |
| |
| virtual bool | contextualize (Context *pc) |
| | Do all context-sensitive things and mark the node as contextualized. More...
|
| |
| virtual bool | contextualize_ (Context *) |
| |
Intermediate version of the contextualize() function More...
|
| |
| void | error (Context *pc, const POS &pos) const |
| | syntax_error() function replacement for deferred reporting of syntax errors More...
|
| |
| void | error (Context *pc, const POS &pos, const char *msg) const |
| | syntax_error() function replacement for deferred reporting of syntax errors More...
|
| |
| void | errorf (Context *pc, const POS &pos, const char *format,...) const |
| | syntax_error() function replacement for deferred reporting of syntax errors More...
|
| |
Public Member Functions inherited from Item_var_func
1.8.15