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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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18
mysql-test/suite/sys_vars/r/server_id_basic.result
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@ -8,17 +8,19 @@ SET @@global.server_id = 500000;
SET @@global.server_id = DEFAULT;
SELECT @@global.server_id;
@@global.server_id
0
1
'#--------------------FN_DYNVARS_144_02-------------------------#'
SET @@global.server_id = DEFAULT;
SELECT @@global.server_id = 0;
@@global.server_id = 0
SELECT @@global.server_id = 1;
@@global.server_id = 1
1
'#--------------------FN_DYNVARS_144_03-------------------------#'
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;
SELECT @@global.server_id;
@@global.server_id
@ -62,13 +64,13 @@ Warnings:
Warning 1292 Truncated incorrect server_id value: '-1'
SELECT @@global.server_id;
@@global.server_id
0
1
SET @@global.server_id = -2147483648;
Warnings:
Warning 1292 Truncated incorrect server_id value: '-2147483648'
SELECT @@global.server_id;
@@global.server_id
0
1
SET @@global.server_id = 2147483649*2;
Warnings:
Warning 1292 Truncated incorrect server_id value: '4294967298'
@ -102,9 +104,11 @@ SELECT @@global.server_id;
@@global.server_id
1
SET @@global.server_id = FALSE;
Warnings:
Warning 1292 Truncated incorrect server_id value: '0'
SELECT @@global.server_id;
@@global.server_id
0
1
'#---------------------FN_DYNVARS_001_09----------------------#'
SET @@global.server_id = 512;
SELECT @@server_id = @@global.server_id;