MySQL 8.2.0
Source Code Documentation
gr_message_service_example.h
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22
23#ifndef GR_MESSAGE_SERVICE_EXAMPLE_H
24#define GR_MESSAGE_SERVICE_EXAMPLE_H
25
27
28/**
29 @class GR_message_service_send_example
30
31 An example implementation of a module that uses GR send service.
32 */
33
35 public:
36 /**
37 UDF that will be called to send data to Group Replication send service.
38
39 @return false success, true on failure.
40 */
41 static char *udf(UDF_INIT *, UDF_ARGS *args, char *result,
42 unsigned long *length, unsigned char *, unsigned char *);
43
44 /**
45 UDF initialization procedure.
46
47 @return false success, true on failure.
48 */
49 static bool udf_init(UDF_INIT *init_id, UDF_ARGS *args, char *message);
50
51 /**
52 Register send method to send service message from GR.
53
54 @return false success, true on failure.
55 */
56 bool register_example();
57
58 /**
59 Unregister send method, will not allow send service message from GR.
60
61 @return false success, true on failure.
62 */
63 bool unregister_example();
64};
65
66/**
67 This function register examples that uses services recv and send of Group
68 replication.
69
70 @return false success, true on failure.
71 */
72
74
75/**
76 This function unregister examples that uses services recv and send of Group
77 replication.
78
79 @return false success, true on failure.
80 */
81
83
84#endif /* GR_MESSAGE_SERVICE_EXAMPLE_H */
An example implementation of a module that uses GR send service.
Definition: gr_message_service_example.h:34
bool unregister_example()
Unregister send method, will not allow send service message from GR.
Definition: gr_message_service_example.cc:248
bool register_example()
Register send method to send service message from GR.
Definition: gr_message_service_example.cc:190
static bool udf_init(UDF_INIT *init_id, UDF_ARGS *args, char *message)
UDF initialization procedure.
Definition: gr_message_service_example.cc:173
static char * udf(UDF_INIT *, UDF_ARGS *args, char *result, unsigned long *length, unsigned char *, unsigned char *)
UDF that will be called to send data to Group Replication send service.
Definition: gr_message_service_example.cc:124
bool gr_service_message_example_deinit()
This function unregister examples that uses services recv and send of Group replication.
Definition: gr_message_service_example.cc:311
bool gr_service_message_example_init()
This function register examples that uses services recv and send of Group replication.
Definition: gr_message_service_example.cc:289
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