104
141
#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_LENGTH + 2
143
#define LOCAL_HOST "localhost"
144
#define LOCAL_HOST_NAMEDPIPE "."
107
147
You should add new commands to the end of this list, otherwise old
108
148
servers won't be able to handle them as 'unsupported'.
151
enum enum_server_command
153
COM_SLEEP, COM_QUIT, COM_INIT_DB, COM_QUERY, COM_FIELD_LIST,
154
COM_CREATE_DB, COM_DROP_DB, COM_REFRESH, COM_SHUTDOWN,
155
COM_PROCESS_INFO, COM_CONNECT, COM_PROCESS_KILL, COM_PING,
156
COM_TIME, COM_CHANGE_USER, COM_BINLOG_DUMP,
157
COM_CONNECT_OUT, COM_REGISTER_SLAVE,
158
COM_SET_OPTION, COM_DAEMON,
159
/* don't forget to update const char *command_name[] in sql_parse.cc */
112
167
Length of random string sent by server on handshake; this is also length of
113
168
obfuscated password, recieved from client
115
170
#define SCRAMBLE_LENGTH 20
116
171
#define SCRAMBLE_LENGTH_323 8
172
/* length of password stored in the db: new passwords are preceeded with '*' */
173
#define SCRAMBLED_PASSWORD_CHAR_LENGTH (SCRAMBLE_LENGTH*2+1)
174
#define SCRAMBLED_PASSWORD_CHAR_LENGTH_323 (SCRAMBLE_LENGTH_323*2)
118
177
#define NOT_NULL_FLAG 1 /* Field can't be NULL */
119
178
#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
121
180
#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
122
181
#define BLOB_FLAG 16 /* Field is a blob */
123
182
#define UNSIGNED_FLAG 32 /* Field is unsigned */
183
#define DECIMAL_FLAG 64 /* Field is zerofill */
124
184
#define BINARY_FLAG 128 /* Field is binary */
126
186
/* The following are only sent to new clients */
127
187
#define ENUM_FLAG 256 /* field is an enum */
128
188
#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */
129
#define FUNCTION_DEFAULT_FLAG 1024 /* Field is a timestamp, uses a function to generate the value. */
189
#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
190
#define SET_FLAG 2048 /* field is a set */
130
191
#define NO_DEFAULT_VALUE_FLAG 4096 /* Field doesn't have default value */
131
192
#define ON_UPDATE_NOW_FLAG 8192 /* Field is set to NOW on UPDATE */
193
#define NUM_FLAG 32768 /* Field is num (for clients) */
132
194
#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
133
195
#define GROUP_FLAG 32768 /* Intern: Group field */
134
196
#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
135
197
#define BINCMP_FLAG 131072 /* Intern: Used by sql_yacc */
198
#define GET_FIXED_FIELDS_FLAG (1 << 18) /* Used to get fields in item tree */
199
#define FIELD_IN_PART_FUNC_FLAG (1 << 19)/* Field part of partition func */
200
#define FIELD_IN_ADD_INDEX (1<< 20) /* Intern: Field used in ADD INDEX */
201
#define FIELD_IS_RENAMED (1<< 21) /* Intern: Field is being renamed */
202
#define FIELD_STORAGE_FLAGS 22 /* Storage type: bit 22, 23 and 24 */
136
203
#define COLUMN_FORMAT_FLAGS 25 /* Column format: bit 25, 26 and 27 */
137
#define COLUMN_FORMAT_MASK 7
205
#define REFRESH_GRANT 1 /* Refresh grant tables */
206
#define REFRESH_LOG 2 /* Start on new log file */
207
#define REFRESH_TABLES 4 /* close all tables */
208
#define REFRESH_HOSTS 8 /* Flush host cache */
209
#define REFRESH_STATUS 16 /* Flush status variables */
210
#define REFRESH_THREADS 32 /* Flush thread cache */
211
#define REFRESH_SLAVE 64 /* Reset master info and restart slave
213
#define REFRESH_MASTER 128 /* Remove all bin logs in the index
214
and truncate the index */
216
/* The following can't be set with mysql_refresh() */
217
#define REFRESH_READ_LOCK 16384 /* Lock tables for read */
218
#define REFRESH_FAST 32768 /* Intern flag */
220
/* RESET (remove all queries) from query cache */
221
#define REFRESH_QUERY_CACHE 65536
222
#define REFRESH_QUERY_CACHE_FREE 0x20000L /* pack query cache */
223
#define REFRESH_DES_KEY_FILE 0x40000L
224
#define REFRESH_USER_RESOURCES 0x80000L
226
#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
227
#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
228
#define CLIENT_LONG_FLAG 4 /* Get all column flags */
229
#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
230
#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
231
#define CLIENT_COMPRESS 32 /* Can use compression protocol */
232
#define CLIENT_ODBC 64 /* Odbc client */
233
#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */
234
#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
235
#define UNUSED_CLIENT_PROTOCOL_41 512 /* New 4.1 protocol */
236
#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */
237
#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
238
#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
239
#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */
240
#define CLIENT_RESERVED 16384 /* Old flag for 4.1 protocol */
241
#define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */
242
#define CLIENT_MULTI_STATEMENTS (1UL << 16) /* Enable/disable multi-stmt support */
243
#define CLIENT_MULTI_RESULTS (1UL << 17) /* Enable/disable multi-results */
245
#define CLIENT_SSL_VERIFY_SERVER_CERT (1UL << 30)
246
#define CLIENT_REMEMBER_OPTIONS (1UL << 31)
248
/* Gather all possible capabilites (flags) supported by the server */
249
#define CLIENT_ALL_FLAGS (CLIENT_LONG_PASSWORD | \
250
CLIENT_FOUND_ROWS | \
252
CLIENT_CONNECT_WITH_DB | \
256
CLIENT_LOCAL_FILES | \
257
CLIENT_IGNORE_SPACE | \
258
CLIENT_INTERACTIVE | \
260
CLIENT_IGNORE_SIGPIPE | \
261
CLIENT_TRANSACTIONS | \
263
CLIENT_SECURE_CONNECTION | \
264
CLIENT_MULTI_STATEMENTS | \
265
CLIENT_MULTI_RESULTS | \
266
CLIENT_SSL_VERIFY_SERVER_CERT | \
267
CLIENT_REMEMBER_OPTIONS)
270
Switch off the flags that are optional and depending on build flags
271
If any of the optional flags is supported by the build it will be switched
272
on before sending to the client during the connection handshake.
274
#define CLIENT_BASIC_FLAGS (((CLIENT_ALL_FLAGS & ~CLIENT_SSL) \
275
& ~CLIENT_COMPRESS) \
276
& ~CLIENT_SSL_VERIFY_SERVER_CERT)
139
278
#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */
140
279
#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */
141
280
#define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */
142
281
#define SERVER_QUERY_NO_GOOD_INDEX_USED 16
143
282
#define SERVER_QUERY_NO_INDEX_USED 32
284
The server was able to fulfill the clients request and opened a
285
read-only non-scrollable cursor for a query. This flag comes
286
in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands.
288
#define SERVER_STATUS_CURSOR_EXISTS 64
290
This flag is sent when a read-only cursor is exhausted, in reply to
291
COM_STMT_FETCH command.
293
#define SERVER_STATUS_LAST_ROW_SENT 128
144
294
#define SERVER_STATUS_DB_DROPPED 256 /* A database was dropped */
295
#define SERVER_STATUS_NO_BACKSLASH_ESCAPES 512
297
Tell clients that this query was logged to the slow query log.
298
Not yet set in the server, but interface is defined for applications
299
to use. See WorkLog 4098.
301
#define SERVER_QUERY_WAS_SLOW 1024
146
303
#define DRIZZLE_ERRMSG_SIZE 512
304
#define NET_READ_TIMEOUT 30 /* Timeout on read */
305
#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
306
#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
148
308
#define ONLY_KILL_QUERY 1
310
#define MAX_TINYINT_WIDTH 3 /* Max width for a TINY w.o. sign */
311
#define MAX_SMALLINT_WIDTH 5 /* Max width for a SHORT w.o. sign */
312
#define MAX_MEDIUMINT_WIDTH 8 /* Max width for a INT24 w.o. sign */
150
313
#define MAX_INT_WIDTH 10 /* Max width for a LONG w.o. sign */
151
314
#define MAX_BIGINT_WIDTH 20 /* Max width for a LONGLONG */
152
#define MAX_BLOB_WIDTH (uint32_t)16777216 /* Default width for blob */
315
#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */
316
#define MAX_BLOB_WIDTH 16777216 /* Default width for blob */
154
318
#define DRIZZLE_PROTOCOL_NO_MORE_DATA 0xFE
159
#define packet_error UINT32_MAX
161
#if defined(__cplusplus)
166
enum enum_server_command
175
/* don't forget to update const char *command_name[] in sql_parse.cc */
181
enum enum_field_types {
323
#define packet_error (~(uint32_t) 0)
326
/* Shutdown/kill enums and constants */
328
/* Bits for THD::killable. */
329
#define DRIZZLE_SHUTDOWN_KILLABLE_CONNECT (unsigned char)(1 << 0)
330
#define DRIZZLE_SHUTDOWN_KILLABLE_TRANS (unsigned char)(1 << 1)
331
#define DRIZZLE_SHUTDOWN_KILLABLE_LOCK_TABLE (unsigned char)(1 << 2)
332
#define DRIZZLE_SHUTDOWN_KILLABLE_UPDATE (unsigned char)(1 << 3)
334
/* Start TINY at 1 because we removed DECIMAL from off the front of the enum */
335
enum enum_field_types { DRIZZLE_TYPE_TINY,
182
336
DRIZZLE_TYPE_LONG,
183
337
DRIZZLE_TYPE_DOUBLE,
184
338
DRIZZLE_TYPE_NULL,
185
339
DRIZZLE_TYPE_TIMESTAMP,
186
340
DRIZZLE_TYPE_LONGLONG,
187
342
DRIZZLE_TYPE_DATETIME,
188
343
DRIZZLE_TYPE_DATE,
189
344
DRIZZLE_TYPE_VARCHAR,
190
DRIZZLE_TYPE_DECIMAL,
345
DRIZZLE_TYPE_VIRTUAL,
346
DRIZZLE_TYPE_NEWDECIMAL,
191
347
DRIZZLE_TYPE_ENUM,
192
348
DRIZZLE_TYPE_BLOB,
195
const int enum_field_types_size= DRIZZLE_TYPE_UUID + 1;
197
} /* namespace drizzled */
199
#endif /* defined(__cplusplus) */
201
#endif /* DRIZZLED_COMMON_H */
349
DRIZZLE_TYPE_MAX=DRIZZLE_TYPE_BLOB
353
enum enum_cursor_type
355
CURSOR_TYPE_NO_CURSOR= 0,
356
CURSOR_TYPE_READ_ONLY= 1,
357
CURSOR_TYPE_FOR_UPDATE= 2,
358
CURSOR_TYPE_SCROLLABLE= 4
362
/* options for mysql_set_option */
363
enum enum_drizzle_set_option
365
DRIZZLE_OPTION_MULTI_STATEMENTS_ON,
366
DRIZZLE_OPTION_MULTI_STATEMENTS_OFF
369
#define net_new_transaction(net) ((net)->pkt_nr=0)
372
/* The following is for user defined functions */
374
enum Item_result {STRING_RESULT=0, REAL_RESULT, INT_RESULT, ROW_RESULT,
377
typedef struct st_udf_args
379
unsigned int arg_count; /* Number of arguments */
380
enum Item_result *arg_type; /* Pointer to item_results */
381
char **args; /* Pointer to argument */
382
unsigned long *lengths; /* Length of string arguments */
383
char *maybe_null; /* Set to 1 for all maybe_null args */
384
char **attributes; /* Pointer to attribute name */
385
unsigned long *attribute_lengths; /* Length of attribute arguments */
389
/* This holds information about the result */
391
typedef struct st_udf_init
393
bool maybe_null; /* 1 if function can return NULL */
394
unsigned int decimals; /* for real functions */
395
unsigned long max_length; /* For string functions */
396
char *ptr; /* free pointer for function data */
397
bool const_item; /* 1 if function always returns the same value */
401
TODO: add a notion for determinism of the UDF.
402
See Item_udf_func::update_used_tables ()
405
/* Constants when using compression */
406
#define NET_HEADER_SIZE 4 /* standard header size */
407
#define COMP_HEADER_SIZE 3 /* compression header extra size */
410
#define NULL_LENGTH UINT32_MAX /* For net_store_length */