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GENERATED BY THE EXP() FUNCTION
When generating the error message for numeric overflow, pass a flag to
Item::print() that prevents it from expanding constant expressions and
parameters to the values they evaluate to.
For consistency, also pass the flag to Item::print() when
Item_func_spatial_collection::fix_length_and_dec() generates an error
message. It doesn't make any difference at the moment, since constant
expressions haven't been evaluated yet when this function is called.
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Resolved an innodb conflict thanks to vasil.
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Item_func_spatial_collection::fix_length_and_dec didn't call parent's method, so
the maybe_null was set to '0' after it. But in this case the result was
just NULL, that caused wrong behaviour.
per-file comments:
mysql-test/r/gis.result
Bug #57321 crashes and valgrind errors from spatial types
test result updated.
mysql-test/t/gis.test
Bug #57321 crashes and valgrind errors from spatial types
test case added.
sql/item_geofunc.h
Bug #57321 crashes and valgrind errors from spatial types
Item_func_geometry::fix_length_and_dec() called in
Item_func_spatial_collection::fix_length_and_dec().
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Item_func_spatial_collection::fix_length_and_dec()
changed to use argument's print() method to print
the ER_ILLEGAL_VALUE_FOR_TYPE error.
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Convertion from a floating point number to a string caused a
crash.
During rare circumstances a String object could crash when
it was requested to allocate new memory.
A crash could occcur in Field_double::val_str() because of
a pointer referencing memory inside a String object which was
of unknown size.
And finally, the geometric collection should not accept
arguments which are non geometric.
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added:
include/ctype_numconv.inc
mysql-test/include/ctype_numconv.inc
mysql-test/r/ctype_binary.result
mysql-test/t/ctype_binary.test
Adding tests
modified:
mysql-test/r/bigint.result
mysql-test/r/case.result
mysql-test/r/create.result
mysql-test/r/ctype_cp1251.result
mysql-test/r/ctype_latin1.result
mysql-test/r/ctype_ucs.result
mysql-test/r/func_gconcat.result
mysql-test/r/func_str.result
mysql-test/r/metadata.result
mysql-test/r/ps_1general.result
mysql-test/r/ps_2myisam.result
mysql-test/r/ps_3innodb.result
mysql-test/r/ps_4heap.result
mysql-test/r/ps_5merge.result
mysql-test/r/show_check.result
mysql-test/r/type_datetime.result
mysql-test/r/type_ranges.result
mysql-test/r/union.result
mysql-test/suite/ndb/r/ps_7ndb.result
mysql-test/t/ctype_cp1251.test
mysql-test/t/ctype_latin1.test
mysql-test/t/ctype_ucs.test
mysql-test/t/func_str.test
Fixing tests
@ sql/field.cc
- Return str result using my_charset_numeric.
- Using real multi-byte aware str_to_XXX functions
to handle tricky charset values propely (e.g. UCS2)
@ sql/field.h
- Changing derivation of non-string field types to DERIVATION_NUMERIC.
- Changing binary() for numeric/datetime fields to always
return TRUE even if charset is not my_charset_bin. We need
this to keep ha_base_keytype() return HA_KEYTYPE_BINARY.
- Adding BINARY_FLAG into some fields, because it's not
being set automatically anymore with
"my_charset_bin to my_charset_numeric" change.
- Changing derivation for numeric/datetime datatypes to a weaker
value, to make "SELECT concat('string', field)" use character
set of the string literal for the result of the function.
@ sql/item.cc
- Implementing generic val_str_ascii().
- Using max_char_length() instead of direct read of max_length
to make "tricky" charsets like UCS2 work.
NOTE: in the future we'll possibly remove all direct reads of max_length
- Fixing Item_num::safe_charset_converter().
Previously it alligned binary string to
character string (for example by adding leading 0x00
when doing binary->UCS2 conversion). Now it just
converts from my_charset_numbner to "tocs".
- Using val_str_ascii() in Item::get_time() to make UCS2 arguments work.
- Other misc changes
@ sql/item.h
- Changing MY_COLL_CMP_CONV and MY_COLL_ALLOW_CONV to
bit operations instead of hard-coded bit masks.
- Addding new method DTCollation.set_numeric().
- Adding new methods to Item.
- Adding helper functions to make code look nicer:
agg_item_charsets_for_string_result()
agg_item_charsets_for_comparison()
- Changing charset for Item_num-derived items
from my_charset_bin to my_charset_numeric
(which is an alias for latin1).
@ sql/item_cmpfunc.cc
- Using new helper functions
- Other misc changes
@ sql/item_cmpfunc.h
- Fixing strcmp() to return max_length=2.
Previously it returned 1, which was wrong,
because it did not fit '-1'.
@ sql/item_func.cc
- Using new helper functions
- Other minor changes
@ sql/item_func.h
- Removing unused functions
- Adding helper functions
agg_arg_charsets_for_string_result()
agg_arg_charsets_for_comparison()
- Adding set_numeric() into constructors of numeric items.
- Using fix_length_and_charset() and fix_char_length()
instead of direct write to max_length.
@ sql/item_geofunc.cc
- Changing class for Item_func_geometry_type and
Item_func_as_wkt from Item_str_func to
Item_str_ascii_func, to make them return UCS2 result
properly (when character_set_connection=ucs2).
@ sql/item_geofunc.h
- Changing class for Item_func_geometry_type and
Item_func_as_wkt from Item_str_func to
Item_str_ascii_func, to make them return UCS2 result
properly (when @@character_set_connection=ucs2).
@ sql/item_strfunc.cc
- Implementing Item_str_func::val_str().
- Renaming val_str to val_str_ascii for some items,
to make them work with UCS2 properly.
- Using new helper functions
- All single-argument functions that expect string
result now call this method:
agg_arg_charsets_for_string_result(collation, args, 1);
This enables character set conversion to @@character_set_connection
in case of pure numeric input.
@ sql/item_strfunc.h
- Introducing Item_str_ascii_func - for functions
which return pure ASCII data, for performance purposes,
as well as for the cases when the old implementation
of val_str() was heavily 8-bit oriented and implementing
a UCS2-aware version is tricky.
@ sql/item_sum.cc
- Using new helper functions.
@ sql/item_timefunc.cc
- Using my_charset_numeric instead of my_charset_bin.
- Using fix_char_length(), fix_length_and_charset()
and fix_length_and_charset_datetime()
instead of direct write to max_length.
- Using tricky-charset aware function str_to_time_with_warn()
@ sql/item_timefunc.h
- Using new helper functions for charset and length initialization.
- Changing base class for Item_func_get_format() to make
it return UCS2 properly (when character_set_connection=ucs2).
@ sql/item_xmlfunc.cc
- Using new helper function
@ sql/my_decimal.cc
- Adding a new DECIMAL to CHAR converter
with real multibyte support (e.g. UCS2)
@ sql/mysql_priv.h
- Introducing a new derivation level for numeric/datetime data types.
- Adding macros for my_charset_numeric and MY_REPERTOIRE_NUMERIC.
- Adding prototypes for str_set_decimal()
- Adding prototypes for character-set aware str_to_xxx() functions.
@ sql/protocol.cc
- Changing charsetnr to "binary" client-side metadata for
numeric/datetime data types.
@ sql/time.cc
- Adding to_ascii() helper function, to convert a string
in any character set to ascii representation. In the
future can be extended to understand digits written
in various non-Latin word scripts.
- Adding real multy-byte character set aware versions for str_to_XXXX,
to make these these type of queries work correct:
INSERT INTO t1 SET datetime_column=ucs2_expression;
@ strings/ctype-ucs2.c
- endptr was not calculated correctly. INSERTing of UCS2
values into numeric columns returned warnings about
truncated wrong data.
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Adding header include file guards to files that are missing such.
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between 5.0 and 5.1.
The problem was that in the patch for Bug#11986 it was decided
to store original query in UTF8 encoding for the INFORMATION_SCHEMA.
This approach however turned out to be quite difficult to implement
properly. The main problem is to preserve the same IS-output after
dump/restore.
So, the fix is to rollback to the previous functionality, but also
to fix it to support multi-character-set-queries properly. The idea
is to generate INFORMATION_SCHEMA-query from the item-tree after
parsing view declaration. The IS-query should:
- be completely in UTF8;
- not contain character set introducers.
For more information, see WL4052.
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into mysql.com:/home/hf/work/31155/my51-31155
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We use get_geometry_type() call to decide the exact type
of a geometry field to be created (POINT, POLYGON etc)
Though this function was only implemented for few items.
In the bug's case we need to call this function for the
Item_sum instance, where it was not implemented, what is
the reason of the crash.
Fixed by implementing virtual Item::get_geometry_type(),
so it can be called for any Item.
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into mysql.com:/home/ram/work/b26038/b26038.5.1
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into mysql.com:/home/ram/work/b26038/b26038.5.0
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NOT NULL
Having maybe_null flag unset for geometry/spatial functions leads to
wrong Item_func_isnull::val_int()'s results.
Fix: set maybe_null flag and add is_null() methods.
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into mysql.com:/home/kent/bk/main/mysql-5.1
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Changed header to GPL version 2 only
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Due to the complexity of this change, everything is documented in WL#3565
This patch is the third iteration, it takes into account the comments
received to date.
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we didn't have code creating GEOMETRY-type fields from Items (expression results)
So i added this code
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The AsBinary function returns VARCHAR data type with binary collation.
It can cause problem for clients that treat that kind of data as
different from BLOB type.
So now AsBinary returns BLOB.
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into neptunus.(none):/home/msvensson/mysql/mysql-5.0
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- Introduce ifdefs so we can control when to use #pragma interface on cygwin
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CREATE TABLE t1 SELECT POINT(1,2); fixed
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WL#1163 (Making spatial code optional)
Pack of changes to do in sql/ code.
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code covarage for srid, GeomFromText with 2 parameters
code covarage foe print() method of gis functions
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(SCRUM) (WL#1274)
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w/o zlib
moved them all from different places to item_strfunc.{h,cc}
checksum table command
Com_xxx status variables updated
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Fixed by using POINT instead of ST_POINT in the item.
Later need to fix that with proper ST_POINT implementation
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Tests were merged.
As the implementation is different, the 'internal debugging' part
was not merged, only a stub for it created.
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Other fix of maybe_null problem and revert of revno: 3608 "MDEV-3873 & MDEV-3876 & MDEV-3912 : Wrong result (extra rows) with ALL subquery from a MERGE view."
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from a MERGE view.
The problem was in the lost ability to be null for the table of a left join if it
is a view/derived table.
It hapenned because setup_table_map(), was called earlier then we merged
the view or derived.
Fixed by propagating new maybe_null flag during Item::update_used_tables().
Change in join_outer.test and join_outer_jcl6.test appeared because
IS NULL reported no used tables (i.e. constant) for argument which could not be
NULL and new maybe_null flag was propagated for IS NULL argument (Item_field)
because table the Item_field belonged to changed its maybe_null status.
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Checks for thd->killed state added to the long loops in geometry calculations.
per-file comments:
sql/gcalc_slicescan.cc
Fix for bug #809849 spatial operations must be KILL-able.
checks for TERMINATED_STATE added.
sql/gcalc_slicescan.h
Fix for bug #809849 spatial operations must be KILL-able.
defines added to include checks for termination in the
library.
sql/gcalc_tools.cc
Fix for bug #809849 spatial operations must be KILL-able.
checks for TERMINATED_STATE added.
sql/gcalc_tools.h
Fix for bug #809849 spatial operations must be KILL-able.
TERMINATED_STATE pointers added.
sql/item_geofunc.cc
Fix for bug #809849 spatial operations must be KILL-able.
sql/item_geofunc.h
Fix for bug #809849 spatial operations must be KILL-able.
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