/
bndFloat32Slice.go
101 lines (93 loc) · 2.95 KB
/
bndFloat32Slice.go
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// Copyright 2014 Rana Ian. All rights reserved.
// Use of this source code is governed by The MIT License
// found in the accompanying LICENSE file.
package ora
/*
#include <oci.h>
#include "version.h"
*/
import "C"
import (
"unsafe"
)
type bndFloat32Slice struct {
stmt *Stmt
ocibnd *C.OCIBind
ociNumbers []C.OCINumber
}
func (bnd *bndFloat32Slice) bindOra(values []Float32, position int, stmt *Stmt) error {
float32Values := make([]float32, len(values))
nullInds := make([]C.sb2, len(values))
for n := range values {
if values[n].IsNull {
nullInds[n] = C.sb2(-1)
} else {
float32Values[n] = values[n].Value
}
}
return bnd.bind(float32Values, nullInds, position, stmt)
}
func (bnd *bndFloat32Slice) bind(values []float32, nullInds []C.sb2, position int, stmt *Stmt) error {
bnd.stmt = stmt
if nullInds == nil {
nullInds = make([]C.sb2, len(values))
}
alenp := make([]C.ACTUAL_LENGTH_TYPE, len(values))
rcodep := make([]C.ub2, len(values))
bnd.ociNumbers = make([]C.OCINumber, len(values))
for n := range values {
alenp[n] = C.ACTUAL_LENGTH_TYPE(C.sizeof_OCINumber)
r := C.OCINumberFromReal(
bnd.stmt.ses.srv.env.ocierr, //OCIError *err,
unsafe.Pointer(&values[n]), //const void *rnum,
4, //uword rnum_length,
&bnd.ociNumbers[n]) //OCINumber *number );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
}
r := C.OCIBINDBYPOS(
bnd.stmt.ocistmt, //OCIStmt *stmtp,
(**C.OCIBind)(&bnd.ocibnd), //OCIBind **bindpp,
bnd.stmt.ses.srv.env.ocierr, //OCIError *errhp,
C.ub4(position), //ub4 position,
unsafe.Pointer(&bnd.ociNumbers[0]), //void *valuep,
C.LENGTH_TYPE(C.sizeof_OCINumber), //sb8 value_sz,
C.SQLT_VNU, //ub2 dty,
unsafe.Pointer(&nullInds[0]), //void *indp,
&alenp[0], //ub4 *alenp,
&rcodep[0], //ub2 *rcodep,
0, //ub4 maxarr_len,
nil, //ub4 *curelep,
C.OCI_DEFAULT) //ub4 mode );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
r = C.OCIBindArrayOfStruct(
bnd.ocibnd,
bnd.stmt.ses.srv.env.ocierr,
C.ub4(C.sizeof_OCINumber), //ub4 pvskip,
C.ub4(C.sizeof_sb2), //ub4 indskip,
C.ub4(C.sizeof_ub4), //ub4 alskip,
C.ub4(C.sizeof_ub2)) //ub4 rcskip
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
return nil
}
func (bnd *bndFloat32Slice) setPtr() error {
return nil
}
func (bnd *bndFloat32Slice) close() (err error) {
defer func() {
if value := recover(); value != nil {
err = errR(value)
}
}()
stmt := bnd.stmt
bnd.stmt = nil
bnd.ocibnd = nil
bnd.ociNumbers = nil
stmt.putBnd(bndIdxFloat32Slice, bnd)
return nil
}