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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2017-06-05 18:53:22 +0100 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2017-06-05 18:53:22 +0100 |
| commit | 19609c41b15a818df30508576f50fc0eddc11636 (patch) | |
| tree | b7b36a9e69689fd2be7c0660728af59eacb02d10 /libpqpp/pq-binarycolumn.cpp | |
| parent | Add wrappers for PQgetvalue and PQgetlength in column to simplify access (diff) | |
| download | libdbpp-postgresql-19609c41b15a818df30508576f50fc0eddc11636.tar.bz2 libdbpp-postgresql-19609c41b15a818df30508576f50fc0eddc11636.tar.xz libdbpp-postgresql-19609c41b15a818df30508576f50fc0eddc11636.zip | |
Support fetching data in binary format (no numeric, datetime, interval support yet)
Diffstat (limited to 'libpqpp/pq-binarycolumn.cpp')
| -rw-r--r-- | libpqpp/pq-binarycolumn.cpp | 43 |
1 files changed, 43 insertions, 0 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(); + } +} + |