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Further improve handling of possible pg_control read errors

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Builds on changes in commit 147f454, and ensures appropriate
action is taken if a value cannot be read from pg_control.
This commit is contained in:
Ian Barwick
2020-09-28 13:54:18 +09:00
parent 3ffeffbd8b
commit 70061c51aa
7 changed files with 79 additions and 28 deletions
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14
controldata.c
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@@ -100,19 +100,21 @@ get_system_identifier(const char *data_directory)
}
DBState
get_db_state(const char *data_directory)
bool
get_db_state(const char *data_directory, DBState *state)
{
ControlFileInfo *control_file_info = NULL;
DBState state;
bool control_file_processed;
control_file_info = get_controlfile(data_directory);
control_file_processed = control_file_info->control_file_processed;
state = control_file_info->state;
if (control_file_processed == true)
*state = control_file_info->state;
pfree(control_file_info);
return state;
return control_file_processed;
}
@@ -137,7 +139,7 @@ int
get_data_checksum_version(const char *data_directory)
{
ControlFileInfo *control_file_info = NULL;
int data_checksum_version = -1;
int data_checksum_version = UNKNOWN_DATA_CHECKSUM_VERSION;
control_file_info = get_controlfile(data_directory);