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Sequences with negative numbers and auto_increment_increment crashes
This also fixes MDEV-16313 Assertion `next_free_value % real_increment == offset' fails upon CREATE SEQUENCE in galera cluster Fixed by adding llabs() to assert. Also adjusted auto_increment_offset to mod auto_increment_increment.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,30 @@ | ||
set global auto_increment_increment= 2, auto_increment_offset= 2; | ||
create sequence s start with -3 minvalue= -1000 increment 0; | ||
select nextval(s); | ||
nextval(s) | ||
-2 | ||
select nextval(s); | ||
nextval(s) | ||
0 | ||
flush tables; | ||
select nextval(s); | ||
nextval(s) | ||
1998 | ||
drop sequence s; | ||
set global auto_increment_increment= 2, auto_increment_offset= 1; | ||
create sequence s start with -3 minvalue= -1000 increment 0; | ||
select nextval(s); | ||
nextval(s) | ||
-3 | ||
select nextval(s); | ||
nextval(s) | ||
-1 | ||
select nextval(s); | ||
nextval(s) | ||
1 | ||
flush tables; | ||
select nextval(s); | ||
nextval(s) | ||
1997 | ||
drop sequence s; | ||
set global auto_increment_increment= default, auto_increment_offset= default; |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,30 @@ | ||
--source include/have_sequence.inc | ||
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# | ||
# tests with auto_increment_increment and auto_increment_offset | ||
# | ||
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set global auto_increment_increment= 2, auto_increment_offset= 2; | ||
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create sequence s start with -3 minvalue= -1000 increment 0; | ||
|
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select nextval(s); | ||
select nextval(s); | ||
flush tables; | ||
select nextval(s); | ||
drop sequence s; | ||
|
||
set global auto_increment_increment= 2, auto_increment_offset= 1; | ||
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create sequence s start with -3 minvalue= -1000 increment 0; | ||
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select nextval(s); | ||
select nextval(s); | ||
select nextval(s); | ||
flush tables; | ||
select nextval(s); | ||
drop sequence s; | ||
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# Clean up | ||
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set global auto_increment_increment= default, auto_increment_offset= default; |
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