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/*
This file is part of GNUnet
Copyright (C) 2018 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
*/
/**
* @file sq/sq_exec.c
* @brief helper functions for executing SQL statements
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_sq_lib.h"
/**
* Create a `struct GNUNET_SQ_ExecuteStatement` where errors are fatal.
*
* @param sql actual SQL statement
* @return initialized struct
*/
struct GNUNET_SQ_ExecuteStatement
GNUNET_SQ_make_execute (const char *sql)
{
struct GNUNET_SQ_ExecuteStatement es = {
.sql = sql,
.ignore_errors = GNUNET_NO
};
return es;
}
/**
* Create a `struct GNUNET_SQ_ExecuteStatement` where errors should
* be tolerated.
*
* @param sql actual SQL statement
* @return initialized struct
*/
struct GNUNET_SQ_ExecuteStatement
GNUNET_SQ_make_try_execute (const char *sql)
{
struct GNUNET_SQ_ExecuteStatement es = {
.sql = sql,
.ignore_errors = GNUNET_YES
};
return es;
}
/**
* Request execution of an array of statements @a es from Postgres.
*
* @param dbh database to execute the statements over
* @param es #GNUNET_PQ_PREPARED_STATEMENT_END-terminated array of prepared
* statements.
* @return #GNUNET_OK on success (modulo statements where errors can be ignored)
* #GNUNET_SYSERR on error
*/
int
GNUNET_SQ_exec_statements (sqlite3 *dbh,
const struct GNUNET_SQ_ExecuteStatement *es)
{
for (unsigned int i=0;NULL != es[i].sql;i++)
{
char *emsg = NULL;
if (SQLITE_OK !=
sqlite3_exec (dbh,
es[i].sql,
NULL,
NULL,
&emsg))
{
if (es[i].ignore_errors)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Failed to run SQL `%s': %s\n",
es[i].sql,
emsg);
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to run SQL `%s': %s\n",
es[i].sql,
emsg);
sqlite3_free (emsg);
return GNUNET_SYSERR;
}
sqlite3_free (emsg);
}
}
return GNUNET_OK;
}
/* end of sq_exec */
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