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Extract function template drop_database.

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This commit is contained in:
John Ralls
2020-06-04 11:00:52 -07:00
parent a320035f42
commit c73a1bd475
1 changed files with 38 additions and 20 deletions
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58
libgnucash/backend/dbi/gnc-backend-dbi.cpp
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@@ -609,10 +609,46 @@ adjust_sql_options (dbi_conn connection)
}
}
template <DbType Type> bool
drop_database(dbi_conn conn, const UriStrings& uri)
{
const char *root_db;
if (Type == DbType::DBI_PGSQL)
{
root_db = "template1";
}
else if (Type == DbType::DBI_MYSQL)
{
root_db = "mysql";
}
else
{
PERR ("Unknown database type, can't proceed.");
LEAVE("Error");
return false;
}
if (dbi_conn_select_db (conn, root_db) == -1)
{
PERR ("Failed to switch out of %s, drop will fail.",
uri.quote_dbname(Type).c_str());
LEAVE ("Error");
return false;
}
if (!dbi_conn_queryf (conn, "DROP DATABASE %s",
uri.quote_dbname(Type).c_str()))
{
PERR ("Failed to drop database %s prior to recreating it."
"Proceeding would combine old and new data.",
uri.quote_dbname(Type).c_str());
LEAVE ("Error");
return false;
}
return true;
}
template <DbType Type> void
GncDbiBackend<Type>::session_begin (QofSession* session, const char* new_uri,
bool ignore_lock, bool create, bool force)
SessionOpenMode mode)
{
GncDbiTestResult dbi_test_result = GNC_DBI_PASS;
PairVec options;
@@ -677,27 +713,9 @@ GncDbiBackend<Type>::session_begin (QofSession* session, const char* new_uri,
}
else
{
PERR ("Unknown database type, can't proceed.");
LEAVE("Error");
if (!drop_database<Type>(conn, uri))
return;
}
if (dbi_conn_select_db (conn, root_db) == -1)
{
PERR ("Failed to switch out of %s, drop will fail.",
uri.quote_dbname(Type).c_str());
LEAVE ("Error");
return;
}
if (!dbi_conn_queryf (conn, "DROP DATABASE %s",
uri.quote_dbname(Type).c_str()))
{
PERR ("Failed to drop database %s prior to recreating it."
"Proceeding would combine old and new data.",
uri.quote_dbname(Type).c_str());
LEAVE ("Error");
return;
}
}
else
{
set_error (ERR_BACKEND_STORE_EXISTS);