/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008 Sun Microsystems
 *
 *  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
 */

#ifndef DRIZZLE_SERVER_SQL_PARSE_H
#define DRIZZLE_SERVER_SQL_PARSE_H

#include <stdint.h>

#include <drizzled/definitions.h>
#include <drizzled/common.h>
#include <drizzled/lex_string.h>
#include <drizzled/comp_creator.h>

#include <mystrings/m_ctype.h>

class Session;
class TableList;
class Lex_input_stream;
class Item;
class LEX;
class Table_ident;

typedef class Select_Lex Select_Lex;

bool begin_trans(Session *session);
bool end_active_trans(Session *session);
int end_trans(Session *session, enum enum_mysql_completiontype completion);

bool execute_sqlcom_select(Session *session, TableList *all_tables);
bool multi_update_precheck(Session *session, TableList *tables);
bool multi_delete_precheck(Session *session, TableList *tables);
int mysql_multi_update_prepare(Session *session);
int mysql_multi_delete_prepare(Session *session);
bool mysql_insert_select_prepare(Session *session);
bool update_precheck(Session *session, TableList *tables);
bool delete_precheck(Session *session, TableList *tables);
bool insert_precheck(Session *session, TableList *tables);
bool create_table_precheck(Session *session, TableList *tables,
                           TableList *create_table);
bool parse_sql(Session *session, Lex_input_stream *lip);

Item *negate_expression(Session *session, Item *expr);

bool test_if_data_home_dir(const char *dir);

bool check_identifier_name(LEX_STRING *str, uint32_t err_code= 0,
                           uint32_t max_char_length= NAME_CHAR_LEN,
                           const char *param_for_err_msg= "");

bool check_string_byte_length(LEX_STRING *str, const char *err_msg,
                              uint32_t max_byte_length);
bool check_string_char_length(LEX_STRING *str, const char *err_msg,
                              uint32_t max_char_length, const CHARSET_INFO * const cs,
                              bool no_error);


void mysql_parse(Session *session, const char *inBuf, uint32_t length,
                 const char ** semicolon);

bool mysql_test_parse_for_slave(Session *session, char *inBuf,
                                uint32_t length);

bool is_update_query(enum enum_sql_command command);

bool alloc_query(Session *session, const char *packet, uint32_t packet_length);

void mysql_reset_session_for_next_command(Session *session);

void create_select_for_variable(const char *var_name);

void mysql_init_multi_delete(LEX *lex);

bool multi_delete_set_locks_and_link_aux_tables(LEX *lex);

void init_update_queries(void);

bool do_command(Session *session);

bool dispatch_command(enum enum_server_command command, Session *session,
                      char* packet, uint32_t packet_length);

void log_slow_statement(Session *session);

bool append_file_to_dir(Session *session, const char **filename_ptr,
                        const char *table_name);

bool reload_cache(Session *session, ulong options, TableList *tables,
                  bool *write_to_binlog);

bool check_simple_select();

void mysql_init_select(LEX *lex);
bool mysql_new_select(LEX *lex, bool move_down);

int prepare_schema_table(Session *session, LEX *lex, Table_ident *table_ident,
                         enum enum_schema_tables schema_table_idx);

Item * all_any_subquery_creator(Item *left_expr,
                                chooser_compare_func_creator cmp,
                                bool all,
                                Select_Lex *select_lex);

#endif /* DRIZZLE_SERVER_SQL_PARSE_H */