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-rw-r--r--mysql/mysql/service_parser.h286
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diff --git a/mysql/mysql/service_parser.h b/mysql/mysql/service_parser.h
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--- a/mysql/mysql/service_parser.h
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-#ifndef MYSQL_SERVICE_PARSER_INCLUDED
-#define MYSQL_SERVICE_PARSER_INCLUDED
-/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
-
- 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 the Free Software Foundation; version 2 of the
- License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
-
-#include "my_md5_size.h"
-#include <mysql/mysql_lex_string.h>
-
-#ifndef MYSQL_ABI_CHECK
-#include <stdlib.h>
-#endif
-
-#ifdef __cplusplus
-class THD;
-class Item;
-#define MYSQL_THD THD*
-typedef Item* MYSQL_ITEM;
-#else
-#define MYSQL_THD void*
-typedef void* MYSQL_ITEM;
-#endif /* __cplusplus */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- @file service_parser
-
- Plugin service that provides access to the parser and some operations on the
- parse tree.
-*/
-
-#define PARSER_SERVICE_DIGEST_LENGTH MD5_HASH_SIZE
-
-#define STATEMENT_TYPE_SELECT 1
-#define STATEMENT_TYPE_OTHER 2
-
-typedef
-int (*parse_node_visit_function)(MYSQL_ITEM item, unsigned char* arg);
-
-
-typedef
-int (*sql_condition_handler_function)(int sql_errno,
- const char* sqlstate,
- const char* msg,
- void *state);
-
-struct st_my_thread_handle;
-
-extern struct mysql_parser_service_st {
-
- MYSQL_THD (*mysql_current_session)();
-
- MYSQL_THD (*mysql_open_session)();
-
- void (*mysql_start_thread)(MYSQL_THD thd, void *(*callback_fun)(void*),
- void *arg,
- struct st_my_thread_handle *thread_handle);
-
- void (*mysql_join_thread)(struct st_my_thread_handle *thread_handle);
-
- void (*mysql_set_current_database)(MYSQL_THD thd, const MYSQL_LEX_STRING db);
-
- /**
- Parses the query.
-
- @param thd The session in which to parse.
-
- @param query The query to parse.
-
- @param is_prepared If non-zero, the query will be parsed as a prepared
- statement and won't throw errors when the query string contains '?'.
-
- @param handle_condition Callback function that is called if a condition is
- raised during the preparation, parsing or cleanup after parsing. If this
- argument is non-NULL, the diagnostics area will be cleared before this
- function returns.
-
- @param condition_handler_state Will be passed to handle_condition when
- called. Otherwise ignored.
-
- @retval 0 Success.
- @retval 1 Parse error.
- */
- int (*mysql_parse)(MYSQL_THD thd, const MYSQL_LEX_STRING query,
- unsigned char is_prepared,
- sql_condition_handler_function handle_condition,
- void *condition_handler_state);
-
- int (*mysql_get_statement_type)(MYSQL_THD thd);
-
- /**
- Returns the digest of the last parsed statement in the session.
-
- @param thd The session in which the statement was parsed.
-
- @param digest[out] An area of at least size PARSER_SERVICE_DIGEST_LENGTH,
- where the digest is written.
-
- @retval 0 Success.
- @retval 1 Parse error.
- */
- int (*mysql_get_statement_digest)(MYSQL_THD thd, unsigned char *digest);
-
-
- /**
- Returns the number of parameters ('?') in the parsed query.
- This works only if the last query was parsed as a prepared statement.
-
- @param thd The session in which the query was parsed.
-
- @return The number of parameter markers.
- */
- int (*mysql_get_number_params)(MYSQL_THD thd);
-
-
- /**
- Stores in 'positions' the positions in the last parsed query of each
- parameter marker('?'). Positions must be an already allocated array of at
- least mysql_parser_service_st::mysql_get_number_params() size. This works
- only if the last query was parsed as a prepared statement.
-
- @param thd The session in which the query was parsed.
-
- @param positions An already allocated array of at least
- mysql_parser_service_st::mysql_get_number_params() size.
-
- @return The number of parameter markers and hence number of written
- positions.
- */
- int (*mysql_extract_prepared_params)(MYSQL_THD thd, int *positions);
-
-
- /**
- Walks the tree depth first and applies a user defined function on each
- literal.
-
- @param thd The session in which the query was parsed.
-
- @param processor Will be called for each literal in the parse tree.
-
- @param arg Will be passed as argument to each call to 'processor'.
- */
- int (*mysql_visit_tree)(MYSQL_THD thd, parse_node_visit_function processor,
- unsigned char* arg);
-
-
- /**
- Renders the MYSQL_ITEM as a string and returns a reference in the form of
- a MYSQL_LEX_STRING. The string buffer is allocated by the server and must
- be freed by mysql_free_string().
-
- @param item The literal to print.
-
- @return The result of printing the literal.
-
- @see mysql_parser_service_st::mysql_free_string().
- */
- MYSQL_LEX_STRING (*mysql_item_string)(MYSQL_ITEM item);
-
-
- /**
- Frees a string buffer allocated by the server.
-
- @param The string whose buffer will be freed.
- */
- void (*mysql_free_string)(MYSQL_LEX_STRING string);
-
-
- /**
- Returns the current query string. This string is managed by the server and
- should @b not be freed by a plugin.
-
- @param thd The session in which the query was submitted.
-
- @return The query string.
- */
- MYSQL_LEX_STRING (*mysql_get_query)(MYSQL_THD thd);
-
-
- /**
- Returns the current query in normalized form. This string is managed by
- the server and should @b not be freed by a plugin.
-
- @param thd The session in which the query was submitted.
-
- @return The query string normalized.
- */
- MYSQL_LEX_STRING (*mysql_get_normalized_query)(MYSQL_THD thd);
-} *mysql_parser_service;
-
-#ifdef MYSQL_DYNAMIC_PLUGIN
-
-#define mysql_parser_current_session() \
- mysql_parser_service->mysql_current_session()
-
-#define mysql_parser_open_session() \
- mysql_parser_service->mysql_open_session()
-
-#define mysql_parser_start_thread(thd, func, arg, thread_handle) \
- mysql_parser_service->mysql_start_thread(thd, func, arg, thread_handle)
-
-#define mysql_parser_join_thread(thread_handle) \
- mysql_parser_service->mysql_join_thread(thread_handle)
-
-#define mysql_parser_set_current_database(thd, db) \
- mysql_parser_service->mysql_set_current_database(thd, db)
-
-#define mysql_parser_parse(thd, query, is_prepared, \
- condition_handler, condition_handler_state) \
- mysql_parser_service->mysql_parse(thd, query, is_prepared, \
- condition_handler, \
- condition_handler_state)
-
-#define mysql_parser_get_statement_type(thd) \
- mysql_parser_service->mysql_get_statement_type(thd)
-
-#define mysql_parser_get_statement_digest(thd, digest) \
- mysql_parser_service->mysql_get_statement_digest(thd, digest)
-
-#define mysql_parser_get_number_params(thd) \
- mysql_parser_service->mysql_get_number_params(thd)
-
-#define mysql_parser_extract_prepared_params(thd, positions) \
- mysql_parser_service->mysql_extract_prepared_params(thd, positions)
-
-#define mysql_parser_visit_tree(thd, processor, arg) \
- mysql_parser_service->mysql_visit_tree(thd, processor, arg)
-
-#define mysql_parser_item_string(item) \
- mysql_parser_service->mysql_item_string(item)
-
-#define mysql_parser_free_string(string) \
- mysql_parser_service->mysql_free_string(string)
-
-#define mysql_parser_get_query(thd) \
- mysql_parser_service->mysql_get_query(thd)
-
-#define mysql_parser_get_normalized_query(thd) \
- mysql_parser_service->mysql_get_normalized_query(thd)
-
-#else
-typedef void *(*callback_function)(void*);
-MYSQL_THD mysql_parser_current_session();
-MYSQL_THD mysql_parser_open_session();
-void mysql_parser_start_thread(MYSQL_THD thd, callback_function fun, void *arg,
- struct st_my_thread_handle *thread_handle);
-void mysql_parser_join_thread(struct st_my_thread_handle *thread_handle);
-void mysql_parser_set_current_database(MYSQL_THD thd,
- const MYSQL_LEX_STRING db);
-int mysql_parser_parse(MYSQL_THD thd, const MYSQL_LEX_STRING query,
- unsigned char is_prepared,
- sql_condition_handler_function handle_condition,
- void *condition_handler_state);
-int mysql_parser_get_statement_type(MYSQL_THD thd);
-int mysql_parser_get_statement_digest(MYSQL_THD thd, unsigned char *digest);
-int mysql_parser_get_number_params(MYSQL_THD thd);
-int mysql_parser_extract_prepared_params(MYSQL_THD thd, int *positions);
-int mysql_parser_visit_tree(MYSQL_THD thd, parse_node_visit_function processor,
- unsigned char* arg);
-MYSQL_LEX_STRING mysql_parser_item_string(MYSQL_ITEM item);
-void mysql_parser_free_string(MYSQL_LEX_STRING string);
-MYSQL_LEX_STRING mysql_parser_get_query(MYSQL_THD thd);
-MYSQL_LEX_STRING mysql_parser_get_normalized_query(MYSQL_THD thd);
-
-#endif /* MYSQL_DYNAMIC_PLUGIN */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* MYSQL_SERVICE_PARSER_INCLUDED */
generated by cgit v1.1 at 2024-04-19 22:11:48 +0000