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+ consider metadata first when calculating extent

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This commit is contained in:
artemp 2013-01-03 15:44:05 +00:00
parent f71870b5b8
commit bba0b61dfc
1 changed files with 18 additions and 17 deletions
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35
plugins/input/sqlite/sqlite_utils.hpp
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@ -492,7 +492,23 @@ public:
std::string const& table
)
{
if (has_spatial_index)
if (! metadata.empty())
{
std::ostringstream s;
s << "SELECT xmin, ymin, xmax, ymax FROM " << metadata;
s << " WHERE LOWER(f_table_name) = LOWER('" << geometry_table << "')";
boost::shared_ptr<sqlite_resultset> rs(ds->execute_query(s.str()));
if (rs->is_valid() && rs->step_next())
{
double xmin = rs->column_double(0);
double ymin = rs->column_double(1);
double xmax = rs->column_double(2);
double ymax = rs->column_double(3);
extent.init (xmin, ymin, xmax, ymax);
return true;
}
}
else if (has_spatial_index)
{
std::ostringstream s;
s << "SELECT MIN(xmin), MIN(ymin), MAX(xmax), MAX(ymax) FROM "
@ -512,22 +528,7 @@ public:
}
}
}
else if (! metadata.empty())
{
std::ostringstream s;
s << "SELECT xmin, ymin, xmax, ymax FROM " << metadata;
s << " WHERE LOWER(f_table_name) = LOWER('" << geometry_table << "')";
boost::shared_ptr<sqlite_resultset> rs(ds->execute_query(s.str()));
if (rs->is_valid() && rs->step_next())
{
double xmin = rs->column_double(0);
double ymin = rs->column_double(1);
double xmax = rs->column_double(2);
double ymax = rs->column_double(3);
extent.init (xmin, ymin, xmax, ymax);
return true;
}
}
else if (! key_field.empty())
{
std::ostringstream s;