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-rw-r--r--libpqpp/pq-binarycolumn.cpp43
-rw-r--r--libpqpp/pq-binarycolumn.h17
-rw-r--r--libpqpp/pq-bulkselectcommand.cpp6
-rw-r--r--libpqpp/pq-bulkselectcommand.h2
-rw-r--r--libpqpp/pq-command.cpp9
-rw-r--r--libpqpp/pq-command.h4
-rw-r--r--libpqpp/pq-connection.cpp4
-rw-r--r--libpqpp/pq-cursorselectcommand.cpp6
-rw-r--r--libpqpp/pq-selectbase.cpp9
-rw-r--r--libpqpp/pq-selectbase.h4
-rw-r--r--libpqpp/unittests/testpq.cpp43
11 files changed, 130 insertions, 17 deletions
diff --git a/libpqpp/pq-binarycolumn.cpp b/libpqpp/pq-binarycolumn.cpp
new file mode 100644
index 0000000..ff49b26
--- /dev/null
+++ b/libpqpp/pq-binarycolumn.cpp
@@ -0,0 +1,43 @@
+#include "pq-binarycolumn.h"
+#include "pq-selectbase.h"
+#include <error.h>
+
+PQ::BinaryColumn::BinaryColumn(const PQ::SelectBase * s, unsigned int f) :
+ PQ::Column(s, f)
+{
+}
+
+void
+PQ::BinaryColumn::apply(DB::HandleField & h) const
+{
+ if (isNull()) {
+ h.null();
+ return;
+ }
+ switch (oid) {
+ case 18: //CHAROID:
+ case 1043: //VARCHAROID:
+ case 25: //TEXTOID:
+ case 142: //XMLOID:
+ h.string(value(), length());
+ break;
+ case 16: //BOOLOID:
+ h.boolean(valueAs<bool>());
+ break;
+ case 21: //INT2OID:
+ h.integer(be16toh(valueAs<uint16_t>()));
+ break;
+ case 23: //INT4OID:
+ h.integer(be32toh(valueAs<uint32_t>()));
+ break;
+ case 20: //INT8OID:
+ h.integer(be64toh(valueAs<uint64_t>()));
+ break;
+ case 17: //BYTEAOID
+ h.blob(DB::Blob(value(), length()));
+ break;
+ default:
+ throw DB::ColumnTypeNotSupported();
+ }
+}
+
diff --git a/libpqpp/pq-binarycolumn.h b/libpqpp/pq-binarycolumn.h
new file mode 100644
index 0000000..14719a3
--- /dev/null
+++ b/libpqpp/pq-binarycolumn.h
@@ -0,0 +1,17 @@
+#ifndef PG_BINARY_COLUMN_H
+#define PG_BINARY_COLUMN_H
+
+#include "pq-column.h"
+
+namespace PQ {
+ class BinaryColumn : public Column {
+ public:
+ BinaryColumn(const SelectBase *, unsigned int field);
+
+ void apply(DB::HandleField &) const override;
+ };
+}
+
+#endif
+
+
diff --git a/libpqpp/pq-bulkselectcommand.cpp b/libpqpp/pq-bulkselectcommand.cpp
index ab44df5..c9abec5 100644
--- a/libpqpp/pq-bulkselectcommand.cpp
+++ b/libpqpp/pq-bulkselectcommand.cpp
@@ -3,9 +3,9 @@
#include "pq-column.h"
#include "pq-error.h"
-PQ::BulkSelectCommand::BulkSelectCommand(Connection * conn, const std::string & sql, const DB::CommandOptions * opts) :
+PQ::BulkSelectCommand::BulkSelectCommand(Connection * conn, const std::string & sql, const PQ::CommandOptions * pqco, const DB::CommandOptions * opts) :
DB::Command(sql),
- PQ::SelectBase(sql),
+ PQ::SelectBase(sql, pqco),
PQ::PreparedStatement(conn, sql, opts),
executed(false)
{
@@ -16,7 +16,7 @@ PQ::BulkSelectCommand::execute()
{
if (!executed) {
execRes = c->checkResult(
- PQexecPrepared(c->conn, prepare(), values.size(), &values.front(), &lengths.front(), &formats.front(), 0),
+ PQexecPrepared(c->conn, prepare(), values.size(), &values.front(), &lengths.front(), &formats.front(), binary),
PGRES_TUPLES_OK);
nTuples = PQntuples(execRes);
tuple = -1;
diff --git a/libpqpp/pq-bulkselectcommand.h b/libpqpp/pq-bulkselectcommand.h
index 9b76c4d..6fcf883 100644
--- a/libpqpp/pq-bulkselectcommand.h
+++ b/libpqpp/pq-bulkselectcommand.h
@@ -11,7 +11,7 @@ namespace PQ {
class Column;
class BulkSelectCommand : public SelectBase, public PreparedStatement {
public:
- BulkSelectCommand(Connection *, const std::string & sql, const DB::CommandOptions *);
+ BulkSelectCommand(Connection *, const std::string & sql, const PQ::CommandOptions * pqco, const DB::CommandOptions *);
bool fetch() override;
void execute() override;
diff --git a/libpqpp/pq-command.cpp b/libpqpp/pq-command.cpp
index 5476393..9fd4002 100644
--- a/libpqpp/pq-command.cpp
+++ b/libpqpp/pq-command.cpp
@@ -32,16 +32,19 @@ PQ::Command::~Command()
PQ::CommandOptions::CommandOptions(std::size_t hash, const DB::CommandOptionsMap & map) :
DB::CommandOptions(hash),
fetchTuples(get(map, "page-size", 35)),
- useCursor(!isSet(map, "no-cursor"))
+ useCursor(!isSet(map, "no-cursor")),
+ fetchBinary(isSet(map, "fetch-binary"))
{
}
PQ::CommandOptions::CommandOptions(std::size_t hash,
unsigned int ft,
- bool uc) :
+ bool uc,
+ bool fb) :
DB::CommandOptions(hash),
fetchTuples(ft),
- useCursor(uc)
+ useCursor(uc),
+ fetchBinary(fb)
{
}
diff --git a/libpqpp/pq-command.h b/libpqpp/pq-command.h
index 989844c..2431639 100644
--- a/libpqpp/pq-command.h
+++ b/libpqpp/pq-command.h
@@ -15,10 +15,12 @@ namespace PQ {
CommandOptions(std::size_t, const DB::CommandOptionsMap &);
CommandOptions(std::size_t hash,
unsigned int fetchTuples = 35,
- bool useCursor = true);
+ bool useCursor = true,
+ bool fetchBinary = false);
unsigned int fetchTuples;
bool useCursor;
+ bool fetchBinary;
};
class Command : public virtual DB::Command {
diff --git a/libpqpp/pq-connection.cpp b/libpqpp/pq-connection.cpp
index 643e021..e189acf 100644
--- a/libpqpp/pq-connection.cpp
+++ b/libpqpp/pq-connection.cpp
@@ -101,7 +101,7 @@ PQ::Connection::newSelectCommand(const std::string & sql, const DB::CommandOptio
{
auto pqco = dynamic_cast<const CommandOptions *>(opts);
if (pqco && !pqco->useCursor) {
- return new BulkSelectCommand(this, sql, opts);
+ return new BulkSelectCommand(this, sql, pqco, opts);
}
return new CursorSelectCommand(this, sql, pqco, opts);
}
@@ -180,7 +180,7 @@ static const DB::CommandOptions selectLastValOpts(std::hash<std::string>()(selec
int64_t
PQ::Connection::insertId()
{
- BulkSelectCommand getId(this, selectLastVal, &selectLastValOpts);
+ BulkSelectCommand getId(this, selectLastVal, nullptr, &selectLastValOpts);
int64_t id = -1;
while (getId.fetch()) {
getId[0] >> id;
diff --git a/libpqpp/pq-cursorselectcommand.cpp b/libpqpp/pq-cursorselectcommand.cpp
index 54b843f..2b639c8 100644
--- a/libpqpp/pq-cursorselectcommand.cpp
+++ b/libpqpp/pq-cursorselectcommand.cpp
@@ -9,7 +9,7 @@ AdHocFormatter(PQCursorSelectClose, "CLOSE %?");
PQ::CursorSelectCommand::CursorSelectCommand(Connection * conn, const std::string & sql, const PQ::CommandOptions * pqco, const DB::CommandOptions * opts) :
DB::Command(sql),
- PQ::SelectBase(sql),
+ PQ::SelectBase(sql, pqco),
PQ::Command(conn, sql, opts),
executed(false),
txOpened(false),
@@ -50,7 +50,7 @@ PQ::CursorSelectCommand::execute()
s_declare = mkdeclare();
}
c->checkResultFree(
- PQexecParams(c->conn, s_declare.c_str(), values.size(), NULL, &values.front(), &lengths.front(), &formats.front(), 0),
+ PQexecParams(c->conn, s_declare.c_str(), values.size(), NULL, &values.front(), &lengths.front(), &formats.front(), binary),
PGRES_COMMAND_OK);
fetchTuples();
createColumns(execRes);
@@ -61,7 +61,7 @@ PQ::CursorSelectCommand::execute()
void
PQ::CursorSelectCommand::fetchTuples()
{
- execRes = c->checkResult(PQexec(c->conn, s_fetch.c_str()), PGRES_TUPLES_OK);
+ execRes = c->checkResult(PQexecParams(c->conn, s_fetch.c_str(), 0, NULL, NULL, NULL, NULL, binary), PGRES_TUPLES_OK);
nTuples = PQntuples(execRes);
tuple = -1;
}
diff --git a/libpqpp/pq-selectbase.cpp b/libpqpp/pq-selectbase.cpp
index 7dbdb4f..1024e5a 100644
--- a/libpqpp/pq-selectbase.cpp
+++ b/libpqpp/pq-selectbase.cpp
@@ -1,12 +1,15 @@
#include "pq-selectbase.h"
#include "pq-column.h"
+#include "pq-binarycolumn.h"
+#include "pq-command.h"
-PQ::SelectBase::SelectBase(const std::string & sql) :
+PQ::SelectBase::SelectBase(const std::string & sql, const PQ::CommandOptions * pqco) :
DB::Command(sql),
DB::SelectCommand(sql),
nTuples(0),
tuple(0),
- execRes(NULL)
+ execRes(NULL),
+ binary(pqco ? pqco->fetchBinary : false)
{
}
@@ -22,7 +25,7 @@ PQ::SelectBase::createColumns(PGresult * execRes)
{
unsigned int nFields = PQnfields(execRes);
for (unsigned int f = 0; f < nFields; f += 1) {
- insertColumn(DB::ColumnPtr(new Column(this, f)));
+ insertColumn(DB::ColumnPtr(binary ? new BinaryColumn(this, f) : new Column(this, f)));
}
}
diff --git a/libpqpp/pq-selectbase.h b/libpqpp/pq-selectbase.h
index a6b199a..804535d 100644
--- a/libpqpp/pq-selectbase.h
+++ b/libpqpp/pq-selectbase.h
@@ -5,17 +5,19 @@
#include <selectcommand.h>
namespace PQ {
+ class CommandOptions;
class SelectBase : public DB::SelectCommand {
friend class Column;
protected:
- SelectBase(const std::string & sql);
+ SelectBase(const std::string & sql, const PQ::CommandOptions * pqco);
~SelectBase();
void createColumns(PGresult *);
int nTuples, tuple;
PGresult * execRes;
+ bool binary;
};
}
diff --git a/libpqpp/unittests/testpq.cpp b/libpqpp/unittests/testpq.cpp
index 97dc22d..f9ebf64 100644
--- a/libpqpp/unittests/testpq.cpp
+++ b/libpqpp/unittests/testpq.cpp
@@ -407,6 +407,49 @@ BOOST_AUTO_TEST_CASE( blobs )
}
}
+BOOST_AUTO_TEST_CASE( fetchAsBinary )
+{
+ auto ro = DB::ConnectionPtr(DB::MockDatabase::openConnectionTo("PQmock"));
+ std::vector<char> buf(29);
+ memcpy(&buf[0], "This is some binary text data", 29);
+ PQ::CommandOptions opts(0);
+ opts.fetchBinary = true;
+ opts.useCursor = false;
+ auto sel = ro->select("SELECT data, md5, length(data) FROM blobtest", &opts);
+ for (const auto & r : sel->as<DB::Blob, boost::optional<std::string>, int64_t>()) {
+ // Assert the DB understood the insert
+ BOOST_REQUIRE_EQUAL(r.value<2>(), buf.size());
+ BOOST_REQUIRE(r.value<1>());
+ BOOST_REQUIRE_EQUAL(*r.value<1>(), "37c7c3737f93e8d17e845deff8fa74d2");
+ // Assert the fetch of the data is correct
+ BOOST_REQUIRE_EQUAL(r.value<0>().len, buf.size());
+ BOOST_REQUIRE(memcmp(r.value<0>().data, &buf[0], 29) == 0);
+ }
+ *opts.hash += 1;
+ sel = ro->select("SELECT CAST(length(data) AS BIGINT) big, CAST(length(data) AS SMALLINT) small FROM blobtest", &opts);
+ for (const auto & r : sel->as<int64_t, int64_t>()) {
+ BOOST_REQUIRE_EQUAL(r.value<0>(), buf.size());
+ BOOST_REQUIRE_EQUAL(r.value<1>(), buf.size());
+ }
+ *opts.hash += 1;
+ sel = ro->select("SELECT true a, false b", &opts);
+ for (const auto & r : sel->as<bool, bool>()) {
+ BOOST_REQUIRE_EQUAL(r.value<0>(), true);
+ BOOST_REQUIRE_EQUAL(r.value<1>(), false);
+ }
+ *opts.hash += 1;
+ sel = ro->select("SELECT xmlelement(name xml)", &opts);
+ for (const auto & r : sel->as<std::string>()) {
+ BOOST_REQUIRE_EQUAL(r.value<0>(), "<xml/>");
+ }
+ *opts.hash += 1;
+ sel = ro->select("SELECT NULL, now()", &opts);
+ for (const auto & r : sel->as<boost::optional<int64_t>, boost::posix_time::ptime>()) {
+ BOOST_REQUIRE(!r.value<0>());
+ BOOST_REQUIRE_THROW(r.value<1>(), DB::ColumnTypeNotSupported);
+ }
+}
+
BOOST_AUTO_TEST_SUITE_END();
BOOST_AUTO_TEST_CASE( connfail )
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 08:27:29 +0000