diff options
Diffstat (limited to 'sql/field.cc')
| -rw-r--r-- | sql/field.cc | 97 |
1 files changed, 70 insertions, 27 deletions
diff --git a/sql/field.cc b/sql/field.cc index be97ceeb227..1ab02f61e46 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -1382,6 +1382,46 @@ error: } +void Field::error_generated_column_function_is_not_allowed(THD *thd, + bool error) const +{ + StringBuffer<64> tmp; + vcol_info->expr->print(&tmp, (enum_query_type) + (QT_TO_SYSTEM_CHARSET | + QT_ITEM_IDENT_SKIP_DB_NAMES | + QT_ITEM_IDENT_SKIP_TABLE_NAMES)); + my_error(ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED, + MYF(error ? 0 : ME_WARNING), + tmp.c_ptr(), vcol_info->get_vcol_type_name(), + const_cast<const char*>(field_name.str)); +} + + +/* + Check if an indexed or a persistent virtual column depends on sql_mode flags + that it cannot handle. + See sql_mode.h for details. +*/ +bool Field::check_vcol_sql_mode_dependency(THD *thd, vcol_init_mode mode) const +{ + DBUG_ASSERT(vcol_info); + if ((flags & PART_KEY_FLAG) != 0 || stored_in_db()) + { + Sql_mode_dependency dep= + vcol_info->expr->value_depends_on_sql_mode() & + Sql_mode_dependency(~0, ~can_handle_sql_mode_dependency_on_store()); + if (dep) + { + bool error= (mode & VCOL_INIT_DEPENDENCY_FAILURE_IS_ERROR) != 0; + error_generated_column_function_is_not_allowed(thd, error); + dep.push_dependency_warnings(thd); + return error; + } + } + return false; +} + + bool Field::make_empty_rec_store_default_value(THD *thd, Item *item) { DBUG_ASSERT(!(flags & BLOB_FLAG)); @@ -1426,6 +1466,12 @@ void Field_num::prepend_zeros(String *value) const } +sql_mode_t Field_num::can_handle_sql_mode_dependency_on_store() const +{ + return MODE_PAD_CHAR_TO_FULL_LENGTH; +} + + Item *Field_num::get_equal_zerofill_const_item(THD *thd, const Context &ctx, Item *const_item) { @@ -5583,6 +5629,12 @@ bool Field_timestampf::val_native(Native *to) /*************************************************************/ +sql_mode_t Field_temporal::can_handle_sql_mode_dependency_on_store() const +{ + return MODE_PAD_CHAR_TO_FULL_LENGTH; +} + + bool Field_temporal::is_equal(const Column_definition &new_field) const { return new_field.type_handler() == type_handler() && @@ -7189,6 +7241,18 @@ longlong Field_string::val_int(void) } +sql_mode_t Field_string::value_depends_on_sql_mode() const +{ + return has_charset() ? MODE_PAD_CHAR_TO_FULL_LENGTH : sql_mode_t(0); +}; + + +sql_mode_t Field_string::can_handle_sql_mode_dependency_on_store() const +{ + return has_charset() ? MODE_PAD_CHAR_TO_FULL_LENGTH : sql_mode_t(0); +} + + String *Field_string::val_str(String *val_buffer __attribute__((unused)), String *val_ptr) { @@ -8817,6 +8881,12 @@ longlong Field_blob_compressed::val_int(void) ** If one uses this string in a number context one gets the type number. ****************************************************************************/ +sql_mode_t Field_enum::can_handle_sql_mode_dependency_on_store() const +{ + return MODE_PAD_CHAR_TO_FULL_LENGTH; +} + + enum ha_base_keytype Field_enum::key_type() const { switch (packlength) { @@ -10877,33 +10947,6 @@ key_map Field::get_possible_keys() } -/** - Mark the field as having an explicit default value. - - @param value if available, the value that the field is being set to - - @note - Fields that have an explicit default value should not be updated - automatically via the DEFAULT or ON UPDATE functions. The functions - that deal with data change functionality (INSERT/UPDATE/LOAD), - determine if there is an explicit value for each field before performing - the data change, and call this method to mark the field. - - If the 'value' parameter is NULL, then the field is marked unconditionally - as having an explicit value. If 'value' is not NULL, then it can be further - analyzed to check if it really should count as a value. -*/ - -bool Field::set_explicit_default(Item *value) -{ - if (value->type() == Item::DEFAULT_VALUE_ITEM && - !((Item_default_value*)value)->arg) - return false; - set_has_explicit_value(); - return true; -} - - bool Field::validate_value_in_record_with_warn(THD *thd, const uchar *record) { my_bitmap_map *old_map= dbug_tmp_use_all_columns(table, table->read_set); |