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Set server_id to 1 by default and disallow to set it to 0

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This makes it easier to setup master as on only have to set --log-bin.
Before this patch if one did set up the master with just --log-bin, slaves
could not connect until server_id was set on the master, which could be
both confusing and hard to do.
This commit is contained in:
Monty
2016-08-29 20:28:06 +03:00
parent e139d971ec
commit 1c91569274
10 changed files with 24 additions and 46 deletions
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6
mysql-test/r/variables.result
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@ -1466,15 +1466,17 @@ SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
4294967295
SET GLOBAL server_id = 0;
Warnings:
Warning 1292 Truncated incorrect server_id value: '0'
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
0
1
SET GLOBAL server_id = -1;
Warnings:
Warning 1292 Truncated incorrect server_id value: '-1'
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
0
1
SET GLOBAL server_id = @old_server_id;
#
# BUG#10206 - InnoDB: Transaction requiring Max_BinLog_Cache_size > 4GB always rollsback