fix: add C Float4 dumper

It would be used when looked up by oid. At the moment there is only a
Python version for it.

diff --git a/psycopg_c/psycopg_c/types/numeric.pyx b/psycopg_c/psycopg_c/types/numeric.pyx
index ba1a0dbe9391268359a47a575cf6a6ff207855d0..893bdc2adab983dc8f328f447dd994932336f78f 100644 (file)
--- a/psycopg_c/psycopg_c/types/numeric.pyx
+++ b/psycopg_c/psycopg_c/types/numeric.pyx
@@ -296,11 +296,9 @@ cdef class OidBinaryLoader(CLoader):
         return PyLong_FromUnsignedLong(endian.be32toh((<uint32_t *>data)[0]))
 
 
-@cython.final
-cdef class FloatDumper(CDumper):
+cdef class _FloatDumper(CDumper):
 
     format = PQ_TEXT
-    oid = oids.FLOAT8_OID
 
     cdef Py_ssize_t cdump(self, obj, bytearray rv, Py_ssize_t offset) except -1:
         cdef double d = PyFloat_AsDouble(obj)
@@ -327,6 +325,18 @@ cdef dict _special_float = {
 }
 
 
+@cython.final
+cdef class FloatDumper(_FloatDumper):
+
+    oid = oids.FLOAT8_OID
+
+
+@cython.final
+cdef class Float4Dumper(_FloatDumper):
+
+    oid = oids.FLOAT4_OID
+
+
 @cython.final
 cdef class FloatBinaryDumper(CDumper):