lnav/src/sql_util.hh

137 lines
4.3 KiB
C++

/**
* Copyright (c) 2013, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @file sql_util.hh
*/
#ifndef lnav_sql_util_hh
#define lnav_sql_util_hh
#include <map>
#include <string>
#include <unordered_map>
#include <vector>
#include <sqlite3.h>
#include <sys/time.h>
#include <time.h>
#include "base/intern_string.hh"
#include "base/lnav.console.hh"
#include "base/time_util.hh"
#include "sqlitepp.hh"
extern const char* sql_keywords[145];
extern const char* sql_function_names[];
extern const std::unordered_map<unsigned char, const char*>
sql_constraint_names;
inline const char*
sql_constraint_op_name(unsigned char op)
{
auto iter = sql_constraint_names.find(op);
if (iter == sql_constraint_names.end()) {
return "??";
}
return iter->second;
}
using sqlite_exec_callback = int (*)(void*, int, char**, char**);
typedef std::vector<std::string> db_table_list_t;
using db_table_map_t = std::map<std::string, db_table_list_t>;
struct sqlite_metadata_callbacks {
sqlite_exec_callback smc_collation_list;
sqlite_exec_callback smc_database_list;
sqlite_exec_callback smc_table_list;
sqlite_exec_callback smc_table_info;
sqlite_exec_callback smc_foreign_key_list;
void* smc_userdata{nullptr};
db_table_map_t smc_db_list{};
};
int walk_sqlite_metadata(sqlite3* db, struct sqlite_metadata_callbacks& smc);
void dump_sqlite_schema(sqlite3* db, std::string& schema_out);
void attach_sqlite_db(sqlite3* db, const std::string& filename);
inline ssize_t
sql_strftime(char* buffer,
size_t buffer_size,
lnav::time64_t tim,
int millis,
char sep = ' ')
{
return lnav::strftime_rfc3339(buffer, buffer_size, tim, millis, sep);
}
inline ssize_t
sql_strftime(char* buffer,
size_t buffer_size,
const struct timeval& tv,
char sep = ' ')
{
return sql_strftime(buffer, buffer_size, tv.tv_sec, tv.tv_usec / 1000, sep);
}
void sql_install_logger();
bool sql_ident_needs_quote(const char* ident);
char* sql_quote_ident(const char* ident);
std::string sql_safe_ident(const string_fragment& ident);
void sql_execute_script(
sqlite3* db,
const std::map<std::string, scoped_value_t>& global_vars,
const char* src_name,
const char* script,
std::vector<lnav::console::user_message>& errors);
int guess_type_from_pcre(const std::string& pattern, std::string& collator);
const char* sqlite3_type_to_string(int type);
attr_line_t sqlite3_errmsg_to_attr_line(sqlite3* db);
attr_line_t annotate_sql_with_error(sqlite3* db,
const char* sql,
const char* tail);
int sqlite_authorizer(void* pUserData,
int action_code,
const char* detail1,
const char* detail2,
const char* detail3,
const char* detail4);
#endif