MySQL 8.3.0
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rpl_async_conn_failover_add_source_udf.h
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22
23#ifndef RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H
24#define RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H
25
28
30 private:
32 static constexpr const char *m_udf_name =
33 "asynchronous_connection_failover_add_source";
34 bool m_initialized{false};
35
36 public:
39
40 /**
41 Initialize variables, acquires the mysql_service_mysql_udf_metadata from the
42 registry service and register the Asynchronous Connection Failover's UDFs.
43 If there is an error registering any UDF, all installed UDFs are
44 unregistered.
45
46 @retval true if there was an error
47 @retval false if all UDFs were registered
48 */
49 bool init() override;
50
51 /**
52 Release the udf_metadata service.
53
54 @retval false Success
55 @retval true Failure. service could not be released
56 */
57 bool deinit();
58
59 /**
60 Add source network configuration details
61
62 @param[in] init_id UDF_INIT structure
63 @param[in] args UDF_ARGS structure containing argument details
64 @param[out] result error message
65 @param[out] length error message length
66 @param[out] is_null if result is null
67 @param[in,out] error error code
68
69 @return error message
70 */
71 static char *add_source(UDF_INIT *init_id, UDF_ARGS *args, char *result,
72 unsigned long *length, unsigned char *is_null,
73 unsigned char *error);
74
75 /**
76 Initialize and verifies UDF's arguments. Also sets argument and result
77 charset.
78
79 @param[in] init_id UDF_INIT structure
80 @param[in] args UDF_ARGS structure containing argument details
81 @param[out] message error message
82
83 @return True if error, false otherwise.
84 */
85 static bool add_source_init(UDF_INIT *init_id, UDF_ARGS *args, char *message);
86
87 /**
88 Deinitialize variables initialized during init function.
89
90 @param[in] init_id UDF_INIT structure
91 */
92 static void add_source_deinit(UDF_INIT *init_id);
93};
94#endif /* RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H */
Definition: rpl_async_conn_failover_add_source_udf.h:29
Udf_charset_service m_charset_service
Definition: rpl_async_conn_failover_add_source_udf.h:31
bool deinit()
Release the udf_metadata service.
Definition: rpl_async_conn_failover_add_source_udf.cc:49
static char * add_source(UDF_INIT *init_id, UDF_ARGS *args, char *result, unsigned long *length, unsigned char *is_null, unsigned char *error)
Add source network configuration details.
Definition: rpl_async_conn_failover_add_source_udf.cc:59
static constexpr const char * m_udf_name
Definition: rpl_async_conn_failover_add_source_udf.h:32
bool init() override
Initialize variables, acquires the mysql_service_mysql_udf_metadata from the registry service and reg...
Definition: rpl_async_conn_failover_add_source_udf.cc:37
bool m_initialized
Definition: rpl_async_conn_failover_add_source_udf.h:34
static bool add_source_init(UDF_INIT *init_id, UDF_ARGS *args, char *message)
Initialize and verifies UDF's arguments.
Definition: rpl_async_conn_failover_add_source_udf.cc:104
~Rpl_async_conn_failover_add_source() override=default
static void add_source_deinit(UDF_INIT *init_id)
Deinitialize variables initialized during init function.
Definition: rpl_async_conn_failover_add_source_udf.cc:191
Definition: udf_service_util.h:36
Definition: udf_service_impl.h:60
bool length(const dd::Spatial_reference_system *srs, const Geometry *g1, double *length, bool *null) noexcept
Computes the length of linestrings and multilinestrings.
Definition: length.cc:75
Definition: udf_registration_types.h:47
Information about the result of a user defined function.
Definition: udf_registration_types.h:65
Definition: result.h:29