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"standby follow": check node system identifiers match

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This commit is contained in:
Ian Barwick
2017-08-14 11:45:08 +09:00
parent 0f31756733
commit eabd56f3be
9 changed files with 114 additions and 37 deletions
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20
controldata.c
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@@ -17,6 +17,25 @@
static ControlFileInfo *get_controlfile(const char *DataDir);
uint64
get_system_identifier(const char *data_directory)
{
ControlFileInfo *control_file_info;
uint64 system_identifier = UNKNOWN_SYSTEM_IDENTIFIER;
control_file_info = get_controlfile(data_directory);
if (control_file_info->control_file_processed == true)
system_identifier = control_file_info->control_file->system_identifier;
else
system_identifier = UNKNOWN_SYSTEM_IDENTIFIER;
pfree(control_file_info->control_file);
pfree(control_file_info);
return system_identifier;
}
DBState
get_db_state(const char *data_directory)
{
@@ -33,6 +52,7 @@ get_db_state(const char *data_directory)
pfree(control_file_info->control_file);
pfree(control_file_info);
return state;
}