diff options
Diffstat (limited to 'dep/mysqllite/include/mysql/plugin.h')
-rw-r--r-- | dep/mysqllite/include/mysql/plugin.h | 324 |
1 files changed, 59 insertions, 265 deletions
diff --git a/dep/mysqllite/include/mysql/plugin.h b/dep/mysqllite/include/mysql/plugin.h index 55ef6070f85..7ec68ff5040 100644 --- a/dep/mysqllite/include/mysql/plugin.h +++ b/dep/mysqllite/include/mysql/plugin.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2005 MySQL AB +/* Copyright (C) 2005 MySQL AB, 2009 Sun Microsystems, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -16,13 +16,27 @@ #ifndef _my_plugin_h #define _my_plugin_h - /* On Windows, exports from DLL need to be declared -*/ -#if (defined(_WIN32) && defined(MYSQL_DYNAMIC_PLUGIN)) -#define MYSQL_PLUGIN_EXPORT extern "C" __declspec(dllexport) -#else + Also, plugin needs to be declared as extern "C" because MSVC + unlike other compilers, uses C++ mangling for variables not only + for functions. +*/ +#if defined(_MSC_VER) +#if defined(MYSQL_DYNAMIC_PLUGIN) + #ifdef __cplusplus + #define MYSQL_PLUGIN_EXPORT extern "C" __declspec(dllexport) + #else + #define MYSQL_PLUGIN_EXPORT __declspec(dllexport) + #endif +#else /* MYSQL_DYNAMIC_PLUGIN */ + #ifdef __cplusplus + #define MYSQL_PLUGIN_EXPORT extern "C" + #else + #define MYSQL_PLUGIN_EXPORT + #endif +#endif /*MYSQL_DYNAMIC_PLUGIN */ +#else /*_MSC_VER */ #define MYSQL_PLUGIN_EXPORT #endif @@ -34,15 +48,7 @@ class Item; #define MYSQL_THD void* #endif -#ifndef _m_string_h -/* This definition must match the one given in m_string.h */ -struct st_mysql_lex_string -{ - char *str; - unsigned int length; -}; -#endif /* _m_string_h */ -typedef struct st_mysql_lex_string MYSQL_LEX_STRING; +#include <mysql/services.h> #define MYSQL_XIDDATASIZE 128 /** @@ -65,7 +71,7 @@ typedef struct st_mysql_xid MYSQL_XID; Plugin API. Common for all plugin types. */ -#define MYSQL_PLUGIN_INTERFACE_VERSION 0x0100 +#define MYSQL_PLUGIN_INTERFACE_VERSION 0x0102 /* The allowable types of plugins @@ -75,7 +81,10 @@ typedef struct st_mysql_xid MYSQL_XID; #define MYSQL_FTPARSER_PLUGIN 2 /* Full-text parser plugin */ #define MYSQL_DAEMON_PLUGIN 3 /* The daemon/raw plugin type */ #define MYSQL_INFORMATION_SCHEMA_PLUGIN 4 /* The I_S plugin type */ -#define MYSQL_MAX_PLUGIN_TYPE_NUM 5 /* The number of plugin types */ +#define MYSQL_AUDIT_PLUGIN 5 /* The Audit plugin type */ +#define MYSQL_REPLICATION_PLUGIN 6 /* The replication plugin type */ +#define MYSQL_AUTHENTICATION_PLUGIN 7 /* The authentication plugin type */ +#define MYSQL_MAX_PLUGIN_TYPE_NUM 8 /* The number of plugin types */ /* We use the following strings to define licenses for plugins */ #define PLUGIN_LICENSE_PROPRIETARY 0 @@ -95,9 +104,9 @@ typedef struct st_mysql_xid MYSQL_XID; #ifndef MYSQL_DYNAMIC_PLUGIN #define __MYSQL_DECLARE_PLUGIN(NAME, VERSION, PSIZE, DECLS) \ -int VERSION= MYSQL_PLUGIN_INTERFACE_VERSION; \ -int PSIZE= sizeof(struct st_mysql_plugin); \ -struct st_mysql_plugin DECLS[]= { +MYSQL_PLUGIN_EXPORT int VERSION= MYSQL_PLUGIN_INTERFACE_VERSION; \ +MYSQL_PLUGIN_EXPORT int PSIZE= sizeof(struct st_mysql_plugin); \ +MYSQL_PLUGIN_EXPORT struct st_mysql_plugin DECLS[]= { #else #define __MYSQL_DECLARE_PLUGIN(NAME, VERSION, PSIZE, DECLS) \ MYSQL_PLUGIN_EXPORT int _mysql_plugin_interface_version_= MYSQL_PLUGIN_INTERFACE_VERSION; \ @@ -120,7 +129,8 @@ enum enum_mysql_show_type { SHOW_UNDEF, SHOW_BOOL, SHOW_INT, SHOW_LONG, SHOW_LONGLONG, SHOW_CHAR, SHOW_CHAR_PTR, - SHOW_ARRAY, SHOW_FUNC, SHOW_DOUBLE + SHOW_ARRAY, SHOW_FUNC, SHOW_DOUBLE, + SHOW_always_last }; struct st_mysql_show_var { @@ -410,205 +420,43 @@ struct st_mysql_plugin /************************************************************************* API for Full-text parser plugin. (MYSQL_FTPARSER_PLUGIN) */ +#include "plugin_ftparser.h" -#define MYSQL_FTPARSER_INTERFACE_VERSION 0x0100 - -/* Parsing modes. Set in MYSQL_FTPARSER_PARAM::mode */ -enum enum_ftparser_mode -{ -/* - Fast and simple mode. This mode is used for indexing, and natural - language queries. - - The parser is expected to return only those words that go into the - index. Stopwords or too short/long words should not be returned. The - 'boolean_info' argument of mysql_add_word() does not have to be set. -*/ - MYSQL_FTPARSER_SIMPLE_MODE= 0, - -/* - Parse with stopwords mode. This mode is used in boolean searches for - "phrase matching." - - The parser is not allowed to ignore words in this mode. Every word - should be returned, including stopwords and words that are too short - or long. The 'boolean_info' argument of mysql_add_word() does not - have to be set. +/************************************************************************* + API for Storage Engine plugin. (MYSQL_DAEMON_PLUGIN) */ - MYSQL_FTPARSER_WITH_STOPWORDS= 1, -/* - Parse in boolean mode. This mode is used to parse a boolean query string. - - The parser should provide a valid MYSQL_FTPARSER_BOOLEAN_INFO - structure in the 'boolean_info' argument to mysql_add_word(). - Usually that means that the parser should recognize boolean operators - in the parsing stream and set appropriate fields in - MYSQL_FTPARSER_BOOLEAN_INFO structure accordingly. As for - MYSQL_FTPARSER_WITH_STOPWORDS mode, no word should be ignored. - Instead, use FT_TOKEN_STOPWORD for the token type of such a word. -*/ - MYSQL_FTPARSER_FULL_BOOLEAN_INFO= 2 -}; +/* handlertons of different MySQL releases are incompatible */ +#define MYSQL_DAEMON_INTERFACE_VERSION (MYSQL_VERSION_ID << 8) /* - Token types for boolean mode searching (used for the type member of - MYSQL_FTPARSER_BOOLEAN_INFO struct) - - FT_TOKEN_EOF: End of data. - FT_TOKEN_WORD: Regular word. - FT_TOKEN_LEFT_PAREN: Left parenthesis (start of group/sub-expression). - FT_TOKEN_RIGHT_PAREN: Right parenthesis (end of group/sub-expression). - FT_TOKEN_STOPWORD: Stopword. + Here we define only the descriptor structure, that is referred from + st_mysql_plugin. */ -enum enum_ft_token_type +struct st_mysql_daemon { - FT_TOKEN_EOF= 0, - FT_TOKEN_WORD= 1, - FT_TOKEN_LEFT_PAREN= 2, - FT_TOKEN_RIGHT_PAREN= 3, - FT_TOKEN_STOPWORD= 4 + int interface_version; }; -/* - This structure is used in boolean search mode only. It conveys - boolean-mode metadata to the MySQL search engine for every word in - the search query. A valid instance of this structure must be filled - in by the plugin parser and passed as an argument in the call to - mysql_add_word (the callback function in the MYSQL_FTPARSER_PARAM - structure) when a query is parsed in boolean mode. - - type: The token type. Should be one of the enum_ft_token_type values. - - yesno: Whether the word must be present for a match to occur: - >0 Must be present - <0 Must not be present - 0 Neither; the word is optional but its presence increases the relevance - With the default settings of the ft_boolean_syntax system variable, - >0 corresponds to the '+' operator, <0 corrresponds to the '-' operator, - and 0 means neither operator was used. - - weight_adjust: A weighting factor that determines how much a match - for the word counts. Positive values increase, negative - decrease the - relative word's importance in the query. - - wasign: The sign of the word's weight in the query. If it's non-negative - the match for the word will increase document relevance, if it's - negative - decrease (the word becomes a "noise word", the less of it the - better). - - trunc: Corresponds to the '*' operator in the default setting of the - ft_boolean_syntax system variable. -*/ -typedef struct st_mysql_ftparser_boolean_info -{ - enum enum_ft_token_type type; - int yesno; - int weight_adjust; - char wasign; - char trunc; - /* These are parser state and must be removed. */ - char prev; - char *quot; -} MYSQL_FTPARSER_BOOLEAN_INFO; - -/* - The following flag means that buffer with a string (document, word) - may be overwritten by the caller before the end of the parsing (that is - before st_mysql_ftparser::deinit() call). If one needs the string - to survive between two successive calls of the parsing function, she - needs to save a copy of it. The flag may be set by MySQL before calling - st_mysql_ftparser::parse(), or it may be set by a plugin before calling - st_mysql_ftparser_param::mysql_parse() or - st_mysql_ftparser_param::mysql_add_word(). -*/ -#define MYSQL_FTFLAGS_NEED_COPY 1 - -/* - An argument of the full-text parser plugin. This structure is - filled in by MySQL server and passed to the parsing function of the - plugin as an in/out parameter. - - mysql_parse: A pointer to the built-in parser implementation of the - server. It's set by the server and can be used by the parser plugin - to invoke the MySQL default parser. If plugin's role is to extract - textual data from .doc, .pdf or .xml content, it might extract - plaintext from the content, and then pass the text to the default - MySQL parser to be parsed. - - mysql_add_word: A server callback to add a new word. When parsing - a document, the server sets this to point at a function that adds - the word to MySQL full-text index. When parsing a search query, - this function will add the new word to the list of words to search - for. The boolean_info argument can be NULL for all cases except - when mode is MYSQL_FTPARSER_FULL_BOOLEAN_INFO. - - ftparser_state: A generic pointer. The plugin can set it to point - to information to be used internally for its own purposes. - - mysql_ftparam: This is set by the server. It is used by MySQL functions - called via mysql_parse() and mysql_add_word() callback. The plugin - should not modify it. - - cs: Information about the character set of the document or query string. - - doc: A pointer to the document or query string to be parsed. - - length: Length of the document or query string, in bytes. - - flags: See MYSQL_FTFLAGS_* constants above. - - mode: The parsing mode. With boolean operators, with stopwords, or - nothing. See enum_ftparser_mode above. +/************************************************************************* + API for I_S plugin. (MYSQL_INFORMATION_SCHEMA_PLUGIN) */ -typedef struct st_mysql_ftparser_param -{ - int (*mysql_parse)(struct st_mysql_ftparser_param *, - char *doc, int doc_len); - int (*mysql_add_word)(struct st_mysql_ftparser_param *, - char *word, int word_len, - MYSQL_FTPARSER_BOOLEAN_INFO *boolean_info); - void *ftparser_state; - void *mysql_ftparam; - struct charset_info_st *cs; - char *doc; - int length; - int flags; - enum enum_ftparser_mode mode; -} MYSQL_FTPARSER_PARAM; +/* handlertons of different MySQL releases are incompatible */ +#define MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION (MYSQL_VERSION_ID << 8) /* - Full-text parser descriptor. - - interface_version is, e.g., MYSQL_FTPARSER_INTERFACE_VERSION. - The parsing, initialization, and deinitialization functions are - invoked per SQL statement for which the parser is used. + Here we define only the descriptor structure, that is referred from + st_mysql_plugin. */ -struct st_mysql_ftparser +struct st_mysql_information_schema { int interface_version; - int (*parse)(MYSQL_FTPARSER_PARAM *param); - int (*init)(MYSQL_FTPARSER_PARAM *param); - int (*deinit)(MYSQL_FTPARSER_PARAM *param); }; -/************************************************************************* - API for Storage Engine plugin. (MYSQL_DAEMON_PLUGIN) -*/ - -/* handlertons of different MySQL releases are incompatible */ -#define MYSQL_DAEMON_INTERFACE_VERSION (MYSQL_VERSION_ID << 8) - -/************************************************************************* - API for I_S plugin. (MYSQL_INFORMATION_SCHEMA_PLUGIN) -*/ - -/* handlertons of different MySQL releases are incompatible */ -#define MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION (MYSQL_VERSION_ID << 8) /************************************************************************* API for Storage Engine plugin. (MYSQL_STORAGE_ENGINE_PLUGIN) @@ -630,28 +478,20 @@ struct st_mysql_storage_engine struct handlerton; -/* - Here we define only the descriptor structure, that is referred from - st_mysql_plugin. -*/ - -struct st_mysql_daemon -{ - int interface_version; -}; /* - Here we define only the descriptor structure, that is referred from - st_mysql_plugin. + API for Replication plugin. (MYSQL_REPLICATION_PLUGIN) */ + #define MYSQL_REPLICATION_INTERFACE_VERSION 0x0100 + + /** + Replication plugin descriptor + */ + struct Mysql_replication { + int interface_version; + }; -struct st_mysql_information_schema -{ - int interface_version; -}; - - -/* +/************************************************************************* st_mysql_value struct for reading values from mysqld. Used by server variables framework to parse user-provided values. Will be used for arguments when implementing UDFs. @@ -671,6 +511,7 @@ struct st_mysql_value const char *(*val_str)(struct st_mysql_value *, char *buffer, int *length); int (*val_real)(struct st_mysql_value *, double *realbuf); int (*val_int)(struct st_mysql_value *, long long *intbuf); + int (*is_unsigned)(struct st_mysql_value *); }; @@ -688,6 +529,7 @@ long long thd_test_options(const MYSQL_THD thd, long long test_options); int thd_sql_command(const MYSQL_THD thd); const char *thd_proc_info(MYSQL_THD thd, const char *info); void **thd_ha_data(const MYSQL_THD thd, const struct handlerton *hton); +void thd_storage_lock_wait(MYSQL_THD thd, long long value); int thd_tx_isolation(const MYSQL_THD thd); char *thd_security_context(MYSQL_THD thd, char *buffer, unsigned int length, unsigned int max_query_len); @@ -733,54 +575,6 @@ int thd_killed(const MYSQL_THD thd); */ unsigned long thd_get_thread_id(const MYSQL_THD thd); - -/** - Allocate memory in the connection's local memory pool - - @details - When properly used in place of @c my_malloc(), this can significantly - improve concurrency. Don't use this or related functions to allocate - large chunks of memory. Use for temporary storage only. The memory - will be freed automatically at the end of the statement; no explicit - code is required to prevent memory leaks. - - @see alloc_root() -*/ -void *thd_alloc(MYSQL_THD thd, unsigned int size); -/** - @see thd_alloc() -*/ -void *thd_calloc(MYSQL_THD thd, unsigned int size); -/** - @see thd_alloc() -*/ -char *thd_strdup(MYSQL_THD thd, const char *str); -/** - @see thd_alloc() -*/ -char *thd_strmake(MYSQL_THD thd, const char *str, unsigned int size); -/** - @see thd_alloc() -*/ -void *thd_memdup(MYSQL_THD thd, const void* str, unsigned int size); - -/** - Create a LEX_STRING in this connection's local memory pool - - @param thd user thread connection handle - @param lex_str pointer to LEX_STRING object to be initialized - @param str initializer to be copied into lex_str - @param size length of str, in bytes - @param allocate_lex_string flag: if TRUE, allocate new LEX_STRING object, - instead of using lex_str value - @return NULL on failure, or pointer to the LEX_STRING object - - @see thd_alloc() -*/ -MYSQL_LEX_STRING *thd_make_lex_string(MYSQL_THD thd, MYSQL_LEX_STRING *lex_str, - const char *str, unsigned int size, - int allocate_lex_string); - /** Get the XID for this connection's transaction |