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except commit 1288dfffe77a99d6c5906d12010a1677ee149308
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succeed
Before FRM is written walk vcol expressions through
check_table_name_processor() and check if field items match (db,
table_name) qualifier.
We cannot do this in check_vcol_func_processor() as there is already
no table name qualifiers in expressions of written and loaded FRM.
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Implement a different fix for
"MDEV-19232: Floating point precision / value comparison problem"
Instead of truncating decimal values after every division,
truncate them for comparison purposes.
This reverts commit 62d73df6b270 but keeps the test.
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Add a proper error handling of innobase_get_computed_value results in
row_upd_store_row/row_upd_store_v_row.
Also add an assertion in row_vers_build_clust_v_col to fail during row
purge.
Add one more assertion in row_sel_sec_rec_is_for_clust_rec for possible
future catches.
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The issue occurs when the subquery_cache is enabled.
When there is a cache miss the division was leading to a value with scale 9.
In the case of cache hit the value returned was of scale 9 and due to the different
values for the scales the where condition evaluated to FALSE, hence the output
was incomplete.
To fix this problem we need to round up the decimal to the limit mentioned in
Item::decimals. This would make sure the values are compared with the same
scale.
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update_virtual_field() is called as part of index rebuild in
ha_myisam::repair() (MDEV-5800) which is done on bulk INSERT finish.
Assertion in update_virtual_field() was put as part of MDEV-16222
because update_virtual_field() returns in_use->is_error(). The idea:
wrongly mixed semantics of error status before update_virtual_field()
and the status returned by update_virtual_field(). The former can
falsely influence the latter.
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Also, adding 10.2 related changes for MDEV-22579
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virtual column
The code erroneously allowed both:
INSERT INTO t1 (vcol) VALUES (DEFAULT);
INSERT INTO t1 (vcol) VALUES (DEFAULT(non_virtual_column));
The former is OK, but the latter is not.
Adding a new virtual method in Item:
virtual bool vcol_assignment_allowed_value() const { return false; }
Item_null, Item_param and Item_default_value override it.
Item_default_value overrides it in the way to:
- allow DEFAULT
- disallow DEFAULT(col)
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use the correct table for evaluating virtual columns in the
InnoDB ALTER TABLE.
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existing indexed virtual column
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row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL
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in row_upd_sec_index_entry or error code 126: Index is corrupted upon UPDATE with TIME_ROUND_FRACTIONAL
Conversion to a temporal data type resulting into a lower precision
depends on TIME_ROUND_FRACTIONAL. Taking into account this dependency in:
- indexed generated virtual column expressions
- persistent virtual column expressions
A warning is now issued if conversion from the generation expression
to the column data type depends on TIME_ROUND_FRACTIONAL.
The warning will be changed to error in 10.5
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false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with PAD_CHAR_TO_FULL_LENGTH
Don't break compatibility in GA releases.
Warn the user, but don't refuse to create a table until 10.5
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false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with PAD_CHAR_TO_FULL_LENGTH
This patch allows the server to open old tables that have
"bad" generated columns (i.e. indexed virtual generated columns,
persistent generated columns) that depend on sql_mode,
for general things like SELECT, INSERT, DROP, etc.
Warning are issued in such cases.
Only these commands are now disallowed and return an error:
- CREATE TABLE introducing a "bad" generated column
- ALTER TABLE introducing a "bad" generated column
- CREATE INDEX introdicing a "bad" generated column
(i.e. adding an index on a virtual generated column
that depends on sql_mode).
Note, these commands are allowed:
- ALTER TABLE removing a "bad" generate column
- ALTER TABLE removing an index from a "bad" virtual generated column
- DROP INDEX removing an index from a "bad" virtual generated column
but only if the table does not have any "bad" columns as a result.
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row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with PAD_CHAR_TO_FULL_LENGTH
This change takes into account a column's GENERATED ALWAYS AS
expression dependcy on sql_mode's PAD_CHAR_TO_FULL_LENGTH and
NO_UNSIGNED_SUBTRACTION flags.
Indexed virtual columns as well as persistent generated columns are
now not allowed to have such dependencies to avoid inconsistent data
or index files on sql_mode changes.
So an error is now returned in cases like this:
CREATE OR REPLACE TABLE t1
(
a CHAR(5),
v VARCHAR(5) AS (a) PERSISTENT -- CHAR->VARCHAR or CHAR->TEXT = ERROR
);
Functions RPAD() and RTRIM() can now remove dependency on
PAD_CHAR_TO_FULL_LENGTH. So this can be used instead:
CREATE OR REPLACE TABLE t1
(
a CHAR(5),
v VARCHAR(5) AS (RTRIM(a)) PERSISTENT
);
Note, unlike CHAR->VARCHAR and CHAR->TEXT this still works,
not RPAD(a) is needed:
CREATE OR REPLACE TABLE t1
(
a CHAR(5),
v CHAR(5) AS (a) PERSISTENT -- CHAR->CHAR is OK
);
More sql_mode flags may affect values of generated columns.
They will be addressed separately.
See comments in sql_mode.h for implementation details.
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This allows one to run the test suite even if any of the following
options are changed:
- character-set-server
- collation-server
- join-cache-level
- log-basename
- max-allowed-packet
- optimizer-switch
- query-cache-size and query-cache-type
- skip-name-resolve
- table-definition-cache
- table-open-cache
- Some innodb options
etc
Changes:
- Don't print out the value of system variables as one can't depend on
them to being constants.
- Don't set global variables to 'default' as the default may not
be the same as the test was started with if there was an additional
option file. Instead save original value and reset it at end of test.
- Test that depends on the latin1 character set should include
default_charset.inc or set the character set to latin1
- Test that depends on the original optimizer switch, should include
default_optimizer_switch.inc
- Test that depends on the value of a specific system variable should
set it in the test (like optimizer_use_condition_selectivity)
- Split subselect3.test into subselect3.test and subselect3.inc to
make it easier to set and reset system variables.
- Added .opt files for test that required specfic options that could
be changed by external configuration files.
- Fixed result files in rockdsb & tokudb that had not been updated for
a while.
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Fixes also MDEV-17837
Problem was that we did not ignore warnings from virtual fields when
updated virtual fields for to-be-replaced row.
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Datetime::Datetime or corrupt data after ALTER with indexed persistent column
The patch for "MDEV-18486 Database crash on a table with indexed virtual column"
fixed MDEV-15881 as well. So adding tests only.
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TABLE_SHARE::init_from_binary_frm_image() is not safe
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