55
55
#define SELECT_NO_JOIN_CACHE (UINT64_C(1) << 7) // intern
56
56
#define OPTION_BIG_TABLES (UINT64_C(1) << 8) // THD, user
57
57
#define OPTION_BIG_SELECTS (UINT64_C(1) << 9) // THD, user
58
#define OPTION_LOG_OFF (UINT64_C(1) << 10) // THD, user
58
59
#define TMP_TABLE_ALL_COLUMNS (UINT64_C(1) << 12) // SELECT, intern
59
60
#define OPTION_WARNINGS (UINT64_C(1) << 13) // THD, user
60
61
#define OPTION_AUTO_IS_NULL (UINT64_C(1) << 14) // THD, user, binlog
61
62
#define OPTION_FOUND_COMMENT (UINT64_C(1) << 15) // SELECT, intern, parser
63
#define OPTION_SAFE_UPDATES (UINT64_C(1) << 16) // THD, user
62
64
#define OPTION_BUFFER_RESULT (UINT64_C(1) << 17) // SELECT, user
63
65
#define OPTION_NOT_AUTOCOMMIT (UINT64_C(1) << 19) // THD, user
64
66
#define OPTION_BEGIN (UINT64_C(1) << 20) // THD, intern
67
#define OPTION_TABLE_LOCK (UINT64_C(1) << 21) // THD, intern
68
#define OPTION_QUICK (UINT64_C(1) << 22) // SELECT (for DELETE)
69
#define OPTION_KEEP_LOG (UINT64_C(1) << 23) // THD, user
66
71
/* The following is used to detect a conflict with DISTINCT */
67
72
#define SELECT_ALL (UINT64_C(1) << 24) // SELECT, user, parser
73
78
key checks in some cases */
74
79
#define OPTION_RELAXED_UNIQUE_CHECKS (UINT64_C(1) << 27) // THD, user, binlog
75
80
#define SELECT_NO_UNLOCK (UINT64_C(1) << 28) // SELECT, intern
81
#define OPTION_SCHEMA_TABLE (UINT64_C(1) << 29) // SELECT, intern
76
82
/** Flag set if setup_tables already done */
77
83
#define OPTION_SETUP_TABLES_DONE (UINT64_C(1) << 30) // intern
78
84
/** If not set then the thread will ignore all warnings with level notes. */
79
85
#define OPTION_SQL_NOTES (UINT64_C(1) << 31) // THD, user
87
Force the used temporary table to be a MyISAM table (because we will use
88
fulltext functions when reading from it.
90
#define TMP_TABLE_FORCE_MYISAM (UINT64_C(1) << 32)
91
#define OPTION_PROFILING (UINT64_C(1) << 33)
94
Dont report errors for individual rows,
95
But just report error on commit (or read ofcourse)
97
#define OPTION_ALLOW_BATCH (UINT64_C(1) << 33) // THD, intern (slave)
82
100
Maximum length of time zone name that we support
89
107
#define USERNAME_CHAR_LENGTH 16
90
108
#define NAME_CHAR_LEN 64 /* Field/table name length */
91
109
#define NAME_LEN (NAME_CHAR_LEN*SYSTEM_CHARSET_MBMAXLEN)
92
#define MAXIMUM_IDENTIFIER_LENGTH NAME_LEN
93
110
#define USERNAME_LENGTH (USERNAME_CHAR_LENGTH*SYSTEM_CHARSET_MBMAXLEN)
95
112
#define SERVER_VERSION_LENGTH 60
96
113
#define SQLSTATE_LENGTH 5
116
Maximum length of comments
118
#define TABLE_COMMENT_MAXLEN 2048
119
#define COLUMN_COMMENT_MAXLEN 1024
120
#define INDEX_COMMENT_MAXLEN 1024
122
/* The length of the header part for each virtual column in the .frm file. */
123
#define FRM_VCOL_HEADER_SIZE 3
125
Maximum length of the expression statement defined for virtual columns.
127
#define VIRTUAL_COLUMN_EXPRESSION_MAXLEN 255 - FRM_VCOL_HEADER_SIZE
99
130
USER_HOST_BUFF_SIZE -- length of string buffer, that is enough to contain
100
131
username and hostname parts of the user identifier with trailing zero in
101
132
MySQL standard format:
104
135
#define USER_HOST_BUFF_SIZE HOSTNAME_LENGTH + USERNAME_LENGTH + 2
137
#define LOCAL_HOST "localhost"
138
#define LOCAL_HOST_NAMEDPIPE "."
107
141
You should add new commands to the end of this list, otherwise old
108
142
servers won't be able to handle them as 'unsupported'.
145
enum enum_server_command
154
/* don't forget to update const char *command_name[] in sql_parse.cc */
112
161
Length of random string sent by server on handshake; this is also length of
113
162
obfuscated password, recieved from client
115
164
#define SCRAMBLE_LENGTH 20
116
165
#define SCRAMBLE_LENGTH_323 8
166
/* length of password stored in the db: new passwords are preceeded with '*' */
167
#define SCRAMBLED_PASSWORD_CHAR_LENGTH (SCRAMBLE_LENGTH*2+1)
168
#define SCRAMBLED_PASSWORD_CHAR_LENGTH_323 (SCRAMBLE_LENGTH_323*2)
118
171
#define NOT_NULL_FLAG 1 /* Field can't be NULL */
119
172
#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
121
174
#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
122
175
#define BLOB_FLAG 16 /* Field is a blob */
123
176
#define UNSIGNED_FLAG 32 /* Field is unsigned */
177
#define DECIMAL_FLAG 64 /* Field is zerofill */
124
178
#define BINARY_FLAG 128 /* Field is binary */
126
180
/* The following are only sent to new clients */
127
181
#define ENUM_FLAG 256 /* field is an enum */
128
182
#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. */
183
#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
184
#define SET_FLAG 2048 /* field is a set */
130
185
#define NO_DEFAULT_VALUE_FLAG 4096 /* Field doesn't have default value */
131
186
#define ON_UPDATE_NOW_FLAG 8192 /* Field is set to NOW on UPDATE */
187
#define NUM_FLAG 32768 /* Field is num (for clients) */
132
188
#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
133
189
#define GROUP_FLAG 32768 /* Intern: Group field */
134
190
#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
135
191
#define BINCMP_FLAG 131072 /* Intern: Used by sql_yacc */
192
#define GET_FIXED_FIELDS_FLAG (1 << 18) /* Used to get fields in item tree */
193
#define FIELD_IN_PART_FUNC_FLAG (1 << 19)/* Field part of partition func */
194
#define FIELD_IN_ADD_INDEX (1<< 20) /* Intern: Field used in ADD INDEX */
195
#define FIELD_IS_RENAMED (1<< 21) /* Intern: Field is being renamed */
196
#define FIELD_STORAGE_FLAGS 22 /* Storage type: bit 22, 23 and 24 */
136
197
#define COLUMN_FORMAT_FLAGS 25 /* Column format: bit 25, 26 and 27 */
137
#define COLUMN_FORMAT_MASK 7
199
#define REFRESH_LOG 2 /* Start on new log file */
200
#define REFRESH_TABLES 4 /* close all tables */
201
#define REFRESH_STATUS 16 /* Flush status variables */
203
/* The following can't be set with mysql_refresh() */
204
#define REFRESH_READ_LOCK 16384 /* Lock tables for read */
205
#define REFRESH_FAST 32768 /* Intern flag */
207
#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
208
#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
209
#define CLIENT_LONG_FLAG 4 /* Get all column flags */
210
#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
211
#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
212
#define CLIENT_COMPRESS 32 /* Can use compression protocol */
213
#define CLIENT_ODBC 64 /* Odbc client */
214
#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
215
#define UNUSED_CLIENT_PROTOCOL_41 512 /* New 4.1 protocol */
216
#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
217
#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
218
#define CLIENT_RESERVED 16384 /* Old flag for 4.1 protocol */
219
#define CLIENT_SECURE_CONNECTION 32768 /* New 4.1 authentication */
220
#define CLIENT_MULTI_STATEMENTS (1UL << 16) /* Enable/disable multi-stmt support */
221
#define CLIENT_MULTI_RESULTS (1UL << 17) /* Enable/disable multi-results */
223
#define CLIENT_SSL_VERIFY_SERVER_CERT (1UL << 30)
224
#define CLIENT_REMEMBER_OPTIONS (1UL << 31)
226
/* Gather all possible capabilites (flags) supported by the server */
227
#define CLIENT_ALL_FLAGS (CLIENT_LONG_PASSWORD | \
228
CLIENT_FOUND_ROWS | \
230
CLIENT_CONNECT_WITH_DB | \
234
CLIENT_IGNORE_SPACE | \
236
CLIENT_IGNORE_SIGPIPE | \
238
CLIENT_SECURE_CONNECTION | \
239
CLIENT_MULTI_STATEMENTS | \
240
CLIENT_MULTI_RESULTS | \
241
CLIENT_SSL_VERIFY_SERVER_CERT | \
242
CLIENT_REMEMBER_OPTIONS)
245
Switch off the flags that are optional and depending on build flags
246
If any of the optional flags is supported by the build it will be switched
247
on before sending to the client during the connection handshake.
249
#define CLIENT_BASIC_FLAGS (((CLIENT_ALL_FLAGS & ~CLIENT_SSL) \
250
& ~CLIENT_COMPRESS) \
251
& ~CLIENT_SSL_VERIFY_SERVER_CERT)
139
253
#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */
140
254
#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */
141
255
#define SERVER_MORE_RESULTS_EXISTS 8 /* Multi query - next query exists */
142
256
#define SERVER_QUERY_NO_GOOD_INDEX_USED 16
143
257
#define SERVER_QUERY_NO_INDEX_USED 32
259
The server was able to fulfill the clients request and opened a
260
read-only non-scrollable cursor for a query. This flag comes
261
in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands.
263
#define SERVER_STATUS_CURSOR_EXISTS 64
265
This flag is sent when a read-only cursor is exhausted, in reply to
266
COM_STMT_FETCH command.
268
#define SERVER_STATUS_LAST_ROW_SENT 128
144
269
#define SERVER_STATUS_DB_DROPPED 256 /* A database was dropped */
270
#define SERVER_STATUS_NO_BACKSLASH_ESCAPES 512
272
Tell clients that this query was logged to the slow query log.
273
Not yet set in the server, but interface is defined for applications
274
to use. See WorkLog 4098.
276
#define SERVER_QUERY_WAS_SLOW 1024
146
278
#define DRIZZLE_ERRMSG_SIZE 512
279
#define NET_READ_TIMEOUT 30 /* Timeout on read */
280
#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
281
#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
148
283
#define ONLY_KILL_QUERY 1
285
#define MAX_TINYINT_WIDTH 3 /* Max width for a TINY w.o. sign */
286
#define MAX_SMALLINT_WIDTH 5 /* Max width for a SHORT w.o. sign */
287
#define MAX_MEDIUMINT_WIDTH 8 /* Max width for a INT24 w.o. sign */
150
288
#define MAX_INT_WIDTH 10 /* Max width for a LONG w.o. sign */
151
289
#define MAX_BIGINT_WIDTH 20 /* Max width for a LONGLONG */
290
#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */
152
291
#define MAX_BLOB_WIDTH (uint32_t)16777216 /* Default width for blob */
154
293
#define DRIZZLE_PROTOCOL_NO_MORE_DATA 0xFE
187
316
DRIZZLE_TYPE_DATETIME,
188
317
DRIZZLE_TYPE_DATE,
189
318
DRIZZLE_TYPE_VARCHAR,
190
DRIZZLE_TYPE_DECIMAL,
319
DRIZZLE_TYPE_VIRTUAL,
320
DRIZZLE_TYPE_NEWDECIMAL,
191
321
DRIZZLE_TYPE_ENUM,
192
322
DRIZZLE_TYPE_BLOB,
323
DRIZZLE_TYPE_MAX=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 */
327
/* The following is for user defined functions */
329
enum Item_result {STRING_RESULT=0, REAL_RESULT, INT_RESULT, ROW_RESULT,
332
typedef struct st_udf_args
334
unsigned int arg_count; /* Number of arguments */
335
enum Item_result *arg_type; /* Pointer to item_results */
336
char **args; /* Pointer to argument */
337
unsigned long *lengths; /* Length of string arguments */
338
char *maybe_null; /* Set to 1 for all maybe_null args */
339
char **attributes; /* Pointer to attribute name */
340
unsigned long *attribute_lengths; /* Length of attribute arguments */
344
/* This holds information about the result */
346
typedef struct st_udf_init
348
bool maybe_null; /* 1 if function can return NULL */
349
unsigned int decimals; /* for real functions */
350
unsigned long max_length; /* For string functions */
351
char *ptr; /* free pointer for function data */
352
bool const_item; /* 1 if function always returns the same value */
356
TODO: add a notion for determinism of the UDF.
357
See Item_udf_func::update_used_tables ()
360
/* Constants when using compression */
361
#define NET_HEADER_SIZE 4 /* standard header size */
362
#define COMP_HEADER_SIZE 3 /* compression header extra size */