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#ifndef _libdrizzle_drizzle_com_h
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#define _libdrizzle_drizzle_com_h
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This is included in the server and in the client.
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Options for select set by the yacc parser (stored in lex->options).
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log_event.h defines OPTIONS_WRITTEN_TO_BIN_LOG to specify what THD
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options list are written into binlog. These options can NOT change their
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values, or it will break replication between version.
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context is encoded as following:
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SELECT - SELECT_LEX_NODE::options
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intern - neither. used only as
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func(..., select_node->options | thd->options | OPTION_XXX, ...)
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TODO: separate three contexts above, move them to separate bitfields.
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#define SELECT_DISTINCT (1ULL << 0) // SELECT, user
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#define SELECT_STRAIGHT_JOIN (1ULL << 1) // SELECT, user
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#define SELECT_DESCRIBE (1ULL << 2) // SELECT, user
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#define SELECT_SMALL_RESULT (1ULL << 3) // SELECT, user
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#define SELECT_BIG_RESULT (1ULL << 4) // SELECT, user
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#define OPTION_FOUND_ROWS (1ULL << 5) // SELECT, user
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#define SELECT_NO_JOIN_CACHE (1ULL << 7) // intern
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#define OPTION_BIG_TABLES (1ULL << 8) // THD, user
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#define OPTION_BIG_SELECTS (1ULL << 9) // THD, user
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#define OPTION_LOG_OFF (1ULL << 10) // THD, user
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#define OPTION_QUOTE_SHOW_CREATE (1ULL << 11) // THD, user, unused
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#define TMP_TABLE_ALL_COLUMNS (1ULL << 12) // SELECT, intern
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#define OPTION_WARNINGS (1ULL << 13) // THD, user
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#define OPTION_AUTO_IS_NULL (1ULL << 14) // THD, user, binlog
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#define OPTION_FOUND_COMMENT (1ULL << 15) // SELECT, intern, parser
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#define OPTION_SAFE_UPDATES (1ULL << 16) // THD, user
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#define OPTION_BUFFER_RESULT (1ULL << 17) // SELECT, user
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#define OPTION_BIN_LOG (1ULL << 18) // THD, user
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#define OPTION_NOT_AUTOCOMMIT (1ULL << 19) // THD, user
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#define OPTION_BEGIN (1ULL << 20) // THD, intern
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#define OPTION_TABLE_LOCK (1ULL << 21) // THD, intern
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#define OPTION_QUICK (1ULL << 22) // SELECT (for DELETE)
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#define OPTION_KEEP_LOG (1ULL << 23) // THD, user
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/* The following is used to detect a conflict with DISTINCT */
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#define SELECT_ALL (1ULL << 24) // SELECT, user, parser
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/** The following can be set when importing tables in a 'wrong order'
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to suppress foreign key checks */
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#define OPTION_NO_FOREIGN_KEY_CHECKS (1ULL << 26) // THD, user, binlog
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/** The following speeds up inserts to InnoDB tables by suppressing unique
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key checks in some cases */
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#define OPTION_RELAXED_UNIQUE_CHECKS (1ULL << 27) // THD, user, binlog
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#define SELECT_NO_UNLOCK (1ULL << 28) // SELECT, intern
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#define OPTION_SCHEMA_TABLE (1ULL << 29) // SELECT, intern
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/** Flag set if setup_tables already done */
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#define OPTION_SETUP_TABLES_DONE (1ULL << 30) // intern
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/** If not set then the thread will ignore all warnings with level notes. */
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#define OPTION_SQL_NOTES (1ULL << 31) // THD, user
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Force the used temporary table to be a MyISAM table (because we will use
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fulltext functions when reading from it.
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#define TMP_TABLE_FORCE_MYISAM (1ULL << 32)
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#define OPTION_PROFILING (1ULL << 33)
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Dont report errors for individual rows,
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But just report error on commit (or read ofcourse)
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#define OPTION_ALLOW_BATCH (1ULL << 33) // THD, intern (slave)
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Maximum length of time zone name that we support
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(Time zone name is char(64) in db). mysqlbinlog needs it.
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#define MAX_TIME_ZONE_NAME_LENGTH (NAME_LEN + 1)
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#define HOSTNAME_LENGTH 60
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#define SYSTEM_CHARSET_MBMAXLEN 4
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#define NAME_CHAR_LEN 64 /* Field/table name length */
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libdrizzle/drizzle_com.h
