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author | Dan Goodliffe <dan@randomdan.homeip.net> | 2015-12-24 04:00:01 +0000 |
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committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2015-12-24 04:00:01 +0000 |
commit | 55dc8fa7bef00c0d382860b2f9b0245731db2bcb (patch) | |
tree | d68bc64bc6ba5e8c91f2d32f0c691b9be6998cb0 /libpqpp/pq-modifycommand.cpp | |
parent | Use parent glibmm (diff) | |
download | libdbpp-postgresql-55dc8fa7bef00c0d382860b2f9b0245731db2bcb.tar.bz2 libdbpp-postgresql-55dc8fa7bef00c0d382860b2f9b0245731db2bcb.tar.xz libdbpp-postgresql-55dc8fa7bef00c0d382860b2f9b0245731db2bcb.zip |
PostgreSQL files prefixed with pq-
Diffstat (limited to 'libpqpp/pq-modifycommand.cpp')
-rw-r--r-- | libpqpp/pq-modifycommand.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libpqpp/pq-modifycommand.cpp b/libpqpp/pq-modifycommand.cpp new file mode 100644 index 0000000..e07af0b --- /dev/null +++ b/libpqpp/pq-modifycommand.cpp @@ -0,0 +1,44 @@ +#include "pq-modifycommand.h" +#include "pq-error.h" +#include <stdlib.h> +#include "pq-connection.h" + +PQ::ModifyCommand::ModifyCommand(const Connection * conn, const std::string & sql, unsigned int no) : + DB::Command(sql), + DB::ModifyCommand(sql), + PQ::Command(conn, sql, no), + prepared(false) +{ +} + +PQ::ModifyCommand::~ModifyCommand() +{ +} + +void +PQ::ModifyCommand::prepare() const +{ + if (!prepared) { + std::string psql; + psql.reserve(sql.length() + 20); + prepareSql(psql, sql); + c->checkResultFree(PQprepare( + c->conn, stmntName.c_str(), psql.c_str(), values.size(), NULL), PGRES_COMMAND_OK); + prepared = true; + } +} + +unsigned int +PQ::ModifyCommand::execute(bool anc) +{ + prepare(); + PGresult * res = PQexecPrepared(c->conn, stmntName.c_str(), values.size(), &values.front(), &lengths.front(), &formats.front(), 0); + c->checkResult(res, PGRES_COMMAND_OK, PGRES_TUPLES_OK); + unsigned int rows = atoi(PQcmdTuples(res)); + PQclear(res); + if (rows == 0 && !anc) { + throw Error("No rows affected"); + } + return rows; +} + |