X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/8c6fa3fbaccc22127280bf77a48fab5a3ee0716e..46b0747592074017ff0ea4b33d4a7194235886e5:/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp diff --git a/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp b/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp new file mode 100644 index 00000000..9a5101e1 --- /dev/null +++ b/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp @@ -0,0 +1,145 @@ +/* + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * Author : Maxim Mamontov + */ + +/* + * Vairous utility methods + * + * $Revision: 1.3 $ + * $Date: 2009/10/22 10:01:08 $ + * + */ + +#include "postgresql_store.h" + +#include "stg/common.h" + +#include +#include + +#include + +extern volatile time_t stgTime; + +int POSTGRESQL_STORE::StartTransaction() const +{ +PGresult * result = PQexec(connection, "BEGIN"); + +if (PQresultStatus(result) != PGRES_COMMAND_OK) + { + strError = PQresultErrorMessage(result); + PQclear(result); + printfd(__FILE__, "POSTGRESQL_STORE::StartTransaction(): '%s'\n", strError.c_str()); + return -1; + } + +PQclear(result); + +return 0; +} + +int POSTGRESQL_STORE::CommitTransaction() const +{ +PGresult * result = PQexec(connection, "COMMIT"); + +if (PQresultStatus(result) != PGRES_COMMAND_OK) + { + strError = PQresultErrorMessage(result); + PQclear(result); + printfd(__FILE__, "POSTGRESQL_STORE::CommitTransaction(): '%s'\n", strError.c_str()); + return -1; + } + +PQclear(result); + +return 0; +} + +int POSTGRESQL_STORE::RollbackTransaction() const +{ +PGresult * result = PQexec(connection, "ROLLBACK"); + +if (PQresultStatus(result) != PGRES_COMMAND_OK) + { + strError = PQresultErrorMessage(result); + PQclear(result); + printfd(__FILE__, "POSTGRESQL_STORE::RollbackTransaction(): '%s'\n", strError.c_str()); + return -1; + } + +PQclear(result); + +return 0; +} + +int POSTGRESQL_STORE::EscapeString(std::string & value) const +{ +int error = 0; +char * buf = new char[(value.length() << 1) + 1]; + +PQescapeStringConn(connection, + buf, + value.c_str(), + value.length(), + &error); + +if (error) + { + strError = PQerrorMessage(connection); + printfd(__FILE__, "POSTGRESQL_STORE::EscapeString(): '%s'\n", strError.c_str()); + delete[] buf; + return -1; + } + +value = buf; + +delete[] buf; +return 0; +} + +void POSTGRESQL_STORE::MakeDate(std::string & date, int year, int month) const +{ +struct tm brokenTime; + +brokenTime.tm_wday = 0; +brokenTime.tm_yday = 0; +brokenTime.tm_isdst = 0; + +if (year) + { + brokenTime.tm_hour = 0; + brokenTime.tm_min = 0; + brokenTime.tm_sec = 0; + brokenTime.tm_year = year; + brokenTime.tm_mon = month; + } +else + { + time_t curTime = stgTime; + localtime_r(&curTime, &brokenTime); + } + +brokenTime.tm_mday = DaysInMonth(brokenTime.tm_year + 1900, brokenTime.tm_mon); + +char buf[32]; + +strftime(buf, 32, "%Y-%m-%d", &brokenTime); + +date = buf; +}