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master register: check for existing master presence/active record

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This commit is contained in:
Ian Barwick
2017-04-21 19:47:31 +09:00
parent 77870d3887
commit a16bbbf107
4 changed files with 295 additions and 10 deletions
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21
dbutils.h
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@@ -119,12 +119,18 @@ PGconn *establish_db_connection_by_params(const char *keywords[],
/* conninfo manipulation functions */
void initialize_conninfo_params(t_conninfo_param_list *param_list, bool set_defaults);
void copy_conninfo_params(t_conninfo_param_list *dest_list, t_conninfo_param_list *source_list);
void conn_to_param_list(PGconn *conn, t_conninfo_param_list *param_list);
void param_set(t_conninfo_param_list *param_list, const char *param, const char *value);
char *param_get(t_conninfo_param_list *param_list, const char *param);
bool parse_conninfo_string(const char *conninfo_str, t_conninfo_param_list *param_list, char *errmsg, bool ignore_application_name);
void initialize_conninfo_params(t_conninfo_param_list *param_list, bool set_defaults);
void copy_conninfo_params(t_conninfo_param_list *dest_list, t_conninfo_param_list *source_list);
void conn_to_param_list(PGconn *conn, t_conninfo_param_list *param_list);
void param_set(t_conninfo_param_list *param_list, const char *param, const char *value);
char *param_get(t_conninfo_param_list *param_list, const char *param);
bool parse_conninfo_string(const char *conninfo_str, t_conninfo_param_list *param_list, char *errmsg, bool ignore_application_name);
/* transaction functions */
bool begin_transaction(PGconn *conn);
bool commit_transaction(PGconn *conn);
bool rollback_transaction(PGconn *conn);
bool check_cluster_schema(PGconn *conn);
/* GUC manipulation functions */
bool set_config(PGconn *conn, const char *config_param, const char *config_value);
@@ -133,6 +139,7 @@ bool set_config_bool(PGconn *conn, const char *config_param, bool state);
/* Server information functions */
int get_server_version(PGconn *conn, char *server_version);
int is_standby(PGconn *conn);
PGconn *get_master_connection(PGconn *standby_conn, int *master_id, char *master_conninfo_out);
int get_master_node_id(PGconn *conn);
#endif