// Exec executes a query that may return rows, such as SELECT.
func (stmt *statement) Query(v []driver.Value) (driver.Rows, error) {
if err := stmt.bind(v); err != nil {
return nil, err
}
// determine the type of statement. For select statements iter is set to zero, for other statements, only execute once.
// * NOTE * Should an error be returned if the statement is a non-select type?
var stmt_type C.int
if C.OCIAttrGet(stmt.handle, C.OCI_HTYPE_STMT, unsafe.Pointer(&stmt_type), nil, C.OCI_ATTR_STMT_TYPE, (*C.OCIError)(stmt.conn.err)) != C.OCI_SUCCESS {
log.Println(ociGetError(stmt.conn.err))
}
iter := C.ub4(1)
if stmt_type == C.OCI_STMT_SELECT {
iter = 0
}
// set the row prefetch. Only one extra row per fetch will be returned unless this is set.
prefetchSize := C.ub4(100)
if C.OCIAttrSet(stmt.handle, C.OCI_HTYPE_STMT, unsafe.Pointer(&prefetchSize), 0, C.OCI_ATTR_PREFETCH_ROWS, (*C.OCIError)(stmt.conn.err)) != C.OCI_SUCCESS {
log.Println(ociGetError(stmt.conn.err))
}
// execute the statement
if C.OCIStmtExecute((*C.OCIServer)(stmt.conn.svr), (*C.OCIStmt)(stmt.handle), (*C.OCIError)(stmt.conn.err), iter, 0, nil, nil, C.OCI_DEFAULT) != C.OCI_SUCCESS {
err := ociGetError(stmt.conn.err)
log.Println(err)
return nil, err
}
// find out how many output columns there are
var cols C.ub2
if C.OCIAttrGet(stmt.handle, C.OCI_HTYPE_STMT, unsafe.Pointer(&cols), nil, C.OCI_ATTR_PARAM_COUNT, (*C.OCIError)(stmt.conn.err)) != C.OCI_SUCCESS {
err := ociGetError(stmt.conn.err)
log.Println(err)
return nil, err
}
// build column meta-data
columns := make([]column, int(cols))
for pos := 0; pos < int(cols); pos++ {
col := &columns[pos]
var param unsafe.Pointer
var colType C.ub2
var colSize C.ub4
var colName *C.char
var nameSize C.ub4
if C.OCIParamGet(stmt.handle, C.OCI_HTYPE_STMT, (*C.OCIError)(stmt.conn.err), (*unsafe.Pointer)(unsafe.Pointer(¶m)), C.ub4(pos+1)) != C.OCI_SUCCESS {
err := ociGetError(stmt.conn.err)
log.Println(err)
return nil, err
}
C.OCIAttrGet(param, C.OCI_DTYPE_PARAM, unsafe.Pointer(&colType), nil, C.OCI_ATTR_DATA_TYPE, (*C.OCIError)(stmt.conn.err))
C.OCIAttrGet(param, C.OCI_DTYPE_PARAM, unsafe.Pointer(&colName), &nameSize, C.OCI_ATTR_NAME, (*C.OCIError)(stmt.conn.err))
C.OCIAttrGet(param, C.OCI_DTYPE_PARAM, unsafe.Pointer(&colSize), nil, C.OCI_ATTR_DATA_SIZE, (*C.OCIError)(stmt.conn.err))
col.kind = int(colType)
col.size = int(colSize)
col.name = C.GoStringN(colName, (C.int)(nameSize))
col.raw = make([]byte, int(colSize+1))
var def *C.OCIDefine
result := C.OCIDefineByPos((*C.OCIStmt)(stmt.handle), &def, (*C.OCIError)(stmt.conn.err),
C.ub4(pos+1), unsafe.Pointer(&col.raw[0]), C.sb4(colSize+1), C.SQLT_CHR, nil, nil, nil, C.OCI_DEFAULT)
if result != C.OCI_SUCCESS {
return nil, ociGetError(stmt.conn.err)
}
}
return &rows{stmt, columns}, nil
}
func (s *OCI8Stmt) Query(args []driver.Value) (rows driver.Rows, err error) {
var (
fbp []oci8bind
)
if fbp, err = s.bind(args); err != nil {
return nil, err
}
defer freeBoundParameters(fbp)
iter := C.ub4(1)
if retUb2 := C.WrapOCIAttrGetUb2(s.s, C.OCI_HTYPE_STMT, C.OCI_ATTR_STMT_TYPE, (*C.OCIError)(s.c.err)); retUb2.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else if retUb2.num == C.OCI_STMT_SELECT {
iter = 0
}
// set the row prefetch. Only one extra row per fetch will be returned unless this is set.
if prefetch_size := C.ub4(s.c.attrs.Get("prefetch_rows").(int)); prefetch_size > 0 {
if rv := C.WrapOCIAttrSetUb4(s.s, C.OCI_HTYPE_STMT, prefetch_size, C.OCI_ATTR_PREFETCH_ROWS, (*C.OCIError)(s.c.err)); rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
}
}
// if non-zero, oci will fetch rows until the memory limit or row prefetch limit is hit.
// useful for memory constrained systems
if prefetch_memory := C.ub4(s.c.attrs.Get("prefetch_memory").(int64)); prefetch_memory > 0 {
if rv := C.WrapOCIAttrSetUb4(s.s, C.OCI_HTYPE_STMT, prefetch_memory, C.OCI_ATTR_PREFETCH_MEMORY, (*C.OCIError)(s.c.err)); rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
}
}
mode := C.ub4(C.OCI_DEFAULT)
if !s.c.inTransaction {
mode = mode | C.OCI_COMMIT_ON_SUCCESS
}
if rv := C.OCIStmtExecute(
(*C.OCISvcCtx)(s.c.svc),
(*C.OCIStmt)(s.s),
(*C.OCIError)(s.c.err),
iter,
0,
nil,
nil,
mode); rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
}
var rc int
if retUb2 := C.WrapOCIAttrGetUb2(s.s, C.OCI_HTYPE_STMT, C.OCI_ATTR_PARAM_COUNT, (*C.OCIError)(s.c.err)); retUb2.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
rc = int(retUb2.num)
}
oci8cols := make([]oci8col, rc)
for i := 0; i < rc; i++ {
var p unsafe.Pointer
var tp C.ub2
var lp C.ub2
if rp := C.WrapOCIParamGet(s.s, C.OCI_HTYPE_STMT, (*C.OCIError)(s.c.err), C.ub4(i+1)); rp.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
p = rp.ptr
}
if tpr := C.WrapOCIAttrGetUb2(p, C.OCI_DTYPE_PARAM, C.OCI_ATTR_DATA_TYPE, (*C.OCIError)(s.c.err)); tpr.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
tp = tpr.num
}
if nsr := C.WrapOCIAttrGetString(p, C.OCI_DTYPE_PARAM, C.OCI_ATTR_NAME, (*C.OCIError)(s.c.err)); nsr.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].name = string((*[1 << 30]byte)(unsafe.Pointer(nsr.ptr))[0:int(nsr.size)])
}
if lpr := C.WrapOCIAttrGetUb2(p, C.OCI_DTYPE_PARAM, C.OCI_ATTR_DATA_SIZE, (*C.OCIError)(s.c.err)); lpr.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
lp = lpr.num
}
/*
var (
defp *C.OCIDefine
)
*/
*s.defp = nil
switch tp {
case C.SQLT_CHR, C.SQLT_AFC, C.SQLT_VCS, C.SQLT_AVC:
// TODO: transfer as clob, read all bytes in loop
// lp *= 4 // utf8 enc
oci8cols[i].kind = C.SQLT_CHR // tp
oci8cols[i].size = int(lp) * 4 // utf8 enc
oci8cols[i].pbuf = C.malloc(C.size_t(oci8cols[i].size) + 1)
case C.SQLT_BIN:
oci8cols[i].kind = C.SQLT_BIN
oci8cols[i].size = int(lp)
oci8cols[i].pbuf = C.malloc(C.size_t(oci8cols[i].size))
case C.SQLT_NUM:
oci8cols[i].kind = C.SQLT_CHR
oci8cols[i].size = int(lp * 4)
oci8cols[i].pbuf = C.malloc(C.size_t(oci8cols[i].size) + 1)
case C.SQLT_IBDOUBLE, C.SQLT_IBFLOAT:
oci8cols[i].kind = C.SQLT_IBDOUBLE
oci8cols[i].size = int(8)
oci8cols[i].pbuf = C.malloc(8)
case C.SQLT_CLOB, C.SQLT_BLOB:
// allocate +io buffers + ub4
size := int(unsafe.Sizeof(unsafe.Pointer(nil)) + unsafe.Sizeof(C.ub4(0)))
if oci8cols[i].size < blobBufSize {
size += blobBufSize
} else {
size += oci8cols[i].size
}
if ret := C.WrapOCIDescriptorAlloc(s.c.env, C.OCI_DTYPE_LOB, C.size_t(size)); ret.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].kind = tp
oci8cols[i].size = int(unsafe.Sizeof(unsafe.Pointer(nil)))
oci8cols[i].pbuf = ret.extra
*(*unsafe.Pointer)(ret.extra) = ret.ptr
}
// testing
// case C.SQLT_DAT:
//
// oci8cols[i].kind = C.SQLT_DAT
// oci8cols[i].size = int(lp)
// oci8cols[i].pbuf = C.malloc(C.size_t(lp))
//
case C.SQLT_TIMESTAMP, C.SQLT_DAT:
if ret := C.WrapOCIDescriptorAlloc(s.c.env, C.OCI_DTYPE_TIMESTAMP, C.size_t(unsafe.Sizeof(unsafe.Pointer(nil)))); ret.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].kind = C.SQLT_TIMESTAMP
oci8cols[i].size = int(unsafe.Sizeof(unsafe.Pointer(nil)))
oci8cols[i].pbuf = ret.extra
*(*unsafe.Pointer)(ret.extra) = ret.ptr
}
case C.SQLT_TIMESTAMP_TZ, C.SQLT_TIMESTAMP_LTZ:
if ret := C.WrapOCIDescriptorAlloc(s.c.env, C.OCI_DTYPE_TIMESTAMP_TZ, C.size_t(unsafe.Sizeof(unsafe.Pointer(nil)))); ret.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].kind = C.SQLT_TIMESTAMP_TZ
oci8cols[i].size = int(unsafe.Sizeof(unsafe.Pointer(nil)))
oci8cols[i].pbuf = ret.extra
*(*unsafe.Pointer)(ret.extra) = ret.ptr
}
case C.SQLT_INTERVAL_DS:
if ret := C.WrapOCIDescriptorAlloc(s.c.env, C.OCI_DTYPE_INTERVAL_DS, C.size_t(unsafe.Sizeof(unsafe.Pointer(nil)))); ret.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].kind = C.SQLT_INTERVAL_DS
oci8cols[i].size = int(unsafe.Sizeof(unsafe.Pointer(nil)))
oci8cols[i].pbuf = ret.extra
*(*unsafe.Pointer)(ret.extra) = ret.ptr
}
case C.SQLT_INTERVAL_YM:
if ret := C.WrapOCIDescriptorAlloc(s.c.env, C.OCI_DTYPE_INTERVAL_YM, C.size_t(unsafe.Sizeof(unsafe.Pointer(nil)))); ret.rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
} else {
oci8cols[i].kind = C.SQLT_INTERVAL_YM
oci8cols[i].size = int(unsafe.Sizeof(unsafe.Pointer(nil)))
oci8cols[i].pbuf = ret.extra
*(*unsafe.Pointer)(ret.extra) = ret.ptr
}
case C.SQLT_RDD: // rowid
lp = 40
oci8cols[i].pbuf = C.malloc(C.size_t(lp) + 1)
oci8cols[i].kind = C.SQLT_CHR // tp
oci8cols[i].size = int(lp + 1)
default:
oci8cols[i].pbuf = C.malloc(C.size_t(lp) + 1)
oci8cols[i].kind = C.SQLT_CHR // tp
oci8cols[i].size = int(lp + 1)
}
if rv := C.OCIDefineByPos(
(*C.OCIStmt)(s.s),
s.defp,
(*C.OCIError)(s.c.err),
C.ub4(i+1),
oci8cols[i].pbuf,
C.sb4(oci8cols[i].size),
oci8cols[i].kind,
unsafe.Pointer(&oci8cols[i].ind),
&oci8cols[i].rlen,
nil,
C.OCI_DEFAULT); rv != C.OCI_SUCCESS {
return nil, ociGetError(s.c.err)
}
}
return &OCI8Rows{s, oci8cols, false}, nil
}
// Helper routine for Variable_Define() used so that constant calls to
// OCIDescriptorFree() is not necessary.
func (cur *Cursor) variableDefineHelper(param *C.OCIParam, position, numElements uint) (v *Variable, err error) {
var size C.ub4
var varType *VariableType
// determine data type
varType, err = varTypeByOracleDescriptor(param, cur.environment)
if err != nil {
log.Printf("error determining data type: %s", err)
return nil, err
}
// if (cursor->numbersAsStrings && varType == &vt_Float)
// varType = &vt_NumberAsString;
// retrieve size of the parameter
size = C.ub4(varType.size)
if varType.isVariableLength {
var sizeFromOracle C.ub2
// determine the maximum length from Oracle
if _, err = cur.environment.AttrGet(
unsafe.Pointer(param), C.OCI_HTYPE_DESCRIBE,
C.OCI_ATTR_DATA_SIZE, unsafe.Pointer(&sizeFromOracle),
"data size"); err != nil {
log.Printf("error getting data size: %+v", err)
return nil, err
}
if CTrace {
log.Printf("size of %p[%s] @ %d: %d", param, varType, position, sizeFromOracle)
}
// use the length from Oracle directly if available
if uint(sizeFromOracle) > 0 {
size = C.ub4(sizeFromOracle)
} else if cur.outputSize >= 0 {
// otherwise, use the value set with the setoutputsize() parameter
if cur.outputSizeColumn < 0 ||
int(position) == cur.outputSizeColumn {
size = C.ub4(cur.outputSize)
}
}
}
// create a variable of the correct type
/*
if cur.outputTypeHandler && cursor->outputTypeHandler != Py_None)
var = Variable_NewByOutputTypeHandler(cursor, param,
cursor->outputTypeHandler, varType, size, numElements);
else if (cursor->connection->outputTypeHandler &&
cursor->connection->outputTypeHandler != Py_None)
var = Variable_NewByOutputTypeHandler(cursor, param,
cursor->connection->outputTypeHandler, varType, size,
numElements);
else
*/
//log.Printf("varType=%#v size=%d", varType, size)
v, err = cur.NewVariable(numElements, varType, uint(size))
if err != nil {
return nil, errgo.Newf("error creating variable: %s", err)
}
// call the procedure to set values prior to define
if v.typ.preDefine != nil {
if err = v.typ.preDefine(v, param); err != nil {
return nil, errgo.Newf("error with preDefine(%s): %s", v, err)
}
}
// perform the define
//log.Printf("v=%#v", v)
indic, aL, rC := v.aLrC()
if CTrace {
ctrace("OCIDefineByPos(cur=%p, defineHandle=%p, env=%p, position=%d, dataArr=%v, bufferSize=%d, oracleType=%d indicator=%v, aL=%v rC=%v, DEFAULT)",
cur.handle, &v.defineHandle, v.environment.errorHandle,
position, v.getDataArr(), v.bufferSize, v.typ.oracleType, v.indicator,
aL, rC)
}
if err = cur.environment.CheckStatus(
C.OCIDefineByPos(cur.handle,
&v.defineHandle,
v.environment.errorHandle, C.ub4(position), v.getDataArr(),
C.sb4(v.bufferSize), v.typ.oracleType,
indic, aL, rC, C.OCI_DEFAULT),
"define"); err != nil {
return nil, errgo.Newf("error defining: %s", err)
}
// call the procedure to set values after define
if v.typ.postDefine != nil {
if err = v.typ.postDefine(v); err != nil {
return nil, errgo.Newf("error with postDefine(%s): %s", v, err)
}
}
return v, nil
}
func (s *OCI8Stmt) Query(args []driver.Value) (driver.Rows, error) {
if err := s.bind(args); err != nil {
return nil, err
}
var t C.int
C.OCIAttrGet(
s.s,
C.OCI_HTYPE_STMT,
unsafe.Pointer(&t),
nil,
C.OCI_ATTR_STMT_TYPE,
(*C.OCIError)(s.c.err))
iter := C.ub4(1)
if t == C.OCI_STMT_SELECT {
iter = 0
}
rv := C.OCIStmtExecute(
(*C.OCIServer)(s.c.svc),
(*C.OCIStmt)(s.s),
(*C.OCIError)(s.c.err),
iter,
0,
nil,
nil,
OCI_MODE)
if rv == C.OCI_ERROR {
return nil, ociGetError(s.c.err)
}
var rc C.ub2
C.OCIAttrGet(
s.s,
C.OCI_HTYPE_STMT,
unsafe.Pointer(&rc),
nil,
C.OCI_ATTR_PARAM_COUNT,
(*C.OCIError)(s.c.err))
oci8cols := make([]oci8col, int(rc))
for i := 0; i < int(rc); i++ {
var p unsafe.Pointer
var np *C.char
var ns C.ub4
var tp C.ub2
var lp C.ub2
C.OCIParamGet(
s.s,
C.OCI_HTYPE_STMT,
(*C.OCIError)(s.c.err),
(*unsafe.Pointer)(unsafe.Pointer(&p)),
C.ub4(i+1))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&tp),
nil,
C.OCI_ATTR_DATA_TYPE,
(*C.OCIError)(s.c.err))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&np),
&ns,
C.OCI_ATTR_NAME,
(*C.OCIError)(s.c.err))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&lp),
nil,
C.OCI_ATTR_DATA_SIZE,
(*C.OCIError)(s.c.err))
oci8cols[i].name = string((*[1 << 30]byte)(unsafe.Pointer(np))[0:int(ns)])
oci8cols[i].kind = int(tp)
oci8cols[i].size = int(lp)
oci8cols[i].pbuf = make([]byte, int(lp)+1)
var defp *C.OCIDefine
rv = C.OCIDefineByPos(
(*C.OCIStmt)(s.s),
&defp,
(*C.OCIError)(s.c.err),
C.ub4(i+1),
unsafe.Pointer(&oci8cols[i].pbuf[0]),
C.sb4(lp+1),
C.SQLT_CHR,
nil,
nil,
nil,
OCI_MODE)
if rv == C.OCI_ERROR {
return nil, ociGetError(s.c.err)
}
}
return &OCI8Rows{s, oci8cols, false}, nil
}
func (s *OCI8Stmt) Query(args []driver.Value) (rows driver.Rows, err error) {
var (
freeBoundParameters func()
)
if freeBoundParameters, err = s.bind(args); err != nil {
return nil, err
}
defer freeBoundParameters()
var t C.int
C.OCIAttrGet(
s.s,
C.OCI_HTYPE_STMT,
unsafe.Pointer(&t),
nil,
C.OCI_ATTR_STMT_TYPE,
(*C.OCIError)(s.c.err))
iter := C.ub4(1)
if t == C.OCI_STMT_SELECT {
iter = 0
}
// set the row prefetch. Only one extra row per fetch will be returned unless this is set.
prefetch_size := C.ub4(s.c.attrs.Get("prefetch_rows").(int))
C.OCIAttrSet(s.s, C.OCI_HTYPE_STMT, unsafe.Pointer(&prefetch_size), 0, C.OCI_ATTR_PREFETCH_ROWS, (*C.OCIError)(s.c.err))
// if non-zero, oci will fetch rows until the memory limit or row prefetch limit is hit.
// useful for memory constrained systems
prefetch_memory := C.ub4(s.c.attrs.Get("prefetch_memory").(int64))
C.OCIAttrSet(s.s, C.OCI_HTYPE_STMT, unsafe.Pointer(&prefetch_memory), 0, C.OCI_ATTR_PREFETCH_MEMORY, (*C.OCIError)(s.c.err))
rv := C.OCIStmtExecute(
(*C.OCISvcCtx)(s.c.svc),
(*C.OCIStmt)(s.s),
(*C.OCIError)(s.c.err),
iter,
0,
nil,
nil,
C.OCI_DEFAULT)
if rv == C.OCI_ERROR {
return nil, ociGetError(s.c.err)
}
var rc C.ub2
C.OCIAttrGet(
s.s,
C.OCI_HTYPE_STMT,
unsafe.Pointer(&rc),
nil,
C.OCI_ATTR_PARAM_COUNT,
(*C.OCIError)(s.c.err))
oci8cols := make([]oci8col, int(rc))
for i := 0; i < int(rc); i++ {
var p unsafe.Pointer
var np *C.char
var ns C.ub4
var tp C.ub2
var lp C.ub2
C.OCIParamGet(
s.s,
C.OCI_HTYPE_STMT,
(*C.OCIError)(s.c.err),
(*unsafe.Pointer)(unsafe.Pointer(&p)),
C.ub4(i+1))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&tp),
nil,
C.OCI_ATTR_DATA_TYPE,
(*C.OCIError)(s.c.err))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&np),
&ns,
C.OCI_ATTR_NAME,
(*C.OCIError)(s.c.err))
C.OCIAttrGet(
p,
C.OCI_DTYPE_PARAM,
unsafe.Pointer(&lp),
nil,
C.OCI_ATTR_DATA_SIZE,
(*C.OCIError)(s.c.err))
switch tp {
case C.SQLT_NUM:
oci8cols[i].kind = C.SQLT_CHR
default:
oci8cols[i].kind = tp
}
oci8cols[i].name = string((*[1 << 30]byte)(unsafe.Pointer(np))[0:int(ns)])
oci8cols[i].size = int(lp)
var defp *C.OCIDefine
if tp == C.SQLT_CLOB || tp == C.SQLT_BLOB {
rv = C.OCIDescriptorAlloc(
s.c.env,
&oci8cols[i].pbuf,
C.OCI_DTYPE_LOB,
0,
nil)
if rv == C.OCI_ERROR {
return nil, ociGetError(s.c.err)
}
rv = C.OCIDefineByPos(
(*C.OCIStmt)(s.s),
&defp,
(*C.OCIError)(s.c.err),
C.ub4(i+1),
unsafe.Pointer(&oci8cols[i].pbuf),
-1,
oci8cols[i].kind,
unsafe.Pointer(&oci8cols[i].ind),
&oci8cols[i].rlen,
nil,
C.OCI_DEFAULT)
} else {
oci8cols[i].pbuf = C.malloc(C.size_t(lp) + 1)
rv = C.OCIDefineByPos(
(*C.OCIStmt)(s.s),
&defp,
(*C.OCIError)(s.c.err),
C.ub4(i+1),
oci8cols[i].pbuf,
C.sb4(lp+1),
oci8cols[i].kind,
unsafe.Pointer(&oci8cols[i].ind),
&oci8cols[i].rlen,
nil,
C.OCI_DEFAULT)
}
if rv == C.OCI_ERROR {
return nil, ociGetError(s.c.err)
}
}
return &OCI8Rows{s, oci8cols, false}, nil
}
func (s *StatementOracle) Next() (err int) {
if !s.fetchDone {
s.hDefine = new(C.OCIDefine)
res := C.OCIStmtExecute(s.con.driver.hService, s.hStatement, s.con.driver.hError, 0, 0, nil, nil, C.OCI_DEFAULT)
if C.OCI_SUCCESS != res && C.OCI_STILL_EXECUTING != res {
fmt.Printf("Resultado OCIStmtExecute=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -1
}
s.fetchDone = true
/*
var idValue int
res = C.OCIDefineByPos( s.hStatement, &s.hDefine, s.con.driver.hError, 1 /*pos* /, unsafe.Pointer(&idValue), C.sb4(unsafe.Sizeof(idValue)), C.SQLT_INT, nil, nil, nil, C.OCI_DEFAULT);
if (C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res* /) {
fmt.Printf( "Resultado OCIDefineByPos=%v\n", res)
C.AuxOCIErrorGet( s.con.driver.hError);
return -2
}
var surnameValue [40]C.char
res = C.OCIDefineByPos( s.hStatement, &s.hDefine, s.con.driver.hError, 2 /*pos* /, unsafe.Pointer(&surnameValue[0]), C.sb4(unsafe.Sizeof(surnameValue)), C.SQLT_STR, nil, nil, nil, C.OCI_DEFAULT);
if (C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res* /) {
fmt.Printf( "Resultado OCIDefineByPos=%v\n", res)
C.AuxOCIErrorGet( s.con.driver.hError);
return -3
}
*/
res = C.OCIAttrGet(unsafe.Pointer(s.hStatement), C.OCI_HTYPE_STMT, unsafe.Pointer(&s.numColumns), nil, C.OCI_ATTR_PARAM_COUNT, s.con.driver.hError)
if C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res*/ {
fmt.Printf("Resultado OCIAttrGet=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -3
}
fmt.Printf("numColumns=%v\n", s.numColumns)
s.columns = make([]*ColumnOracle, 0, 50)
var hColumn C.ub4
pColumn := unsafe.Pointer(&hColumn)
for i := 1; i <= s.numColumns; i++ {
/* get parameter for column i */
res = C.OCIParamGet(unsafe.Pointer(s.hStatement), C.OCI_HTYPE_STMT, s.con.driver.hError, &pColumn, C.ub4(i))
if C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res*/ {
fmt.Printf("Resultado OCIParamGet=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -4
}
/* get data-type of column i */
var columnType C.ub2
pType := unsafe.Pointer(&columnType)
res = C.OCIAttrGet(pColumn, C.OCI_DTYPE_PARAM, pType, nil, C.OCI_ATTR_DATA_TYPE, s.con.driver.hError)
if C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res*/ {
fmt.Printf("Resultado OCIParamGet=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -4
}
size := C.ub4(100)
var column_name_tmp *C.char
res = C.OCIAttrGet(pColumn, C.OCI_DTYPE_PARAM, unsafe.Pointer(&column_name_tmp), nil, C.OCI_ATTR_NAME, s.con.driver.hError)
fmt.Printf("coumnName (size=%v) = %v\n", size, column_name_tmp)
//column_name_tmp[size] = 0
columnName := C.GoString(column_name_tmp)
var columnSize int
res = C.OCIAttrGet(pColumn, C.OCI_DTYPE_PARAM, unsafe.Pointer(&columnSize), nil, C.OCI_ATTR_DATA_SIZE, s.con.driver.hError)
fmt.Printf("Column:%v Name:%v Size:%v Type:%v\n", i, columnName, columnSize, columnType)
switch columnType {
case C.SQLT_CHR:
var columnValue = make([]C.char, columnSize+1)
res = C.OCIDefineByPos(s.hStatement, &s.hDefine, s.con.driver.hError, C.ub4(i), /*pos*/
unsafe.Pointer(&columnValue[0]), C.sb4(columnSize), columnType, nil, nil, nil, C.OCI_DEFAULT)
if C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res*/ {
fmt.Printf("Resultado OCIDefineByPos=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -2
}
s.columns = append(s.columns, NewColumnChrOracle(s, columnName, int(columnSize), columnValue))
case C.SQLT_NUM:
var columnValue int
res = C.OCIDefineByPos(s.hStatement, &s.hDefine, s.con.driver.hError, C.ub4(i), /*pos*/
unsafe.Pointer(&columnValue), C.sb4(4 /*sizeof(columnValue)*/), columnType, nil, nil, nil, C.OCI_DEFAULT)
if C.OCI_SUCCESS != res /*&& C.OCI_STILL_EXECUTING != res*/ {
fmt.Printf("Resultado OCIDefineByPos=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -2
}
s.columns = append(s.columns, NewColumnNumberOracle(s, columnName, int(columnSize), columnValue))
//case C.SQLT_LNG:
//case C.SQLT_RID:
//case C.SQLT_DAT:
//case C.SQLT_BIN:
//case C.SQLT_LBI:
//case C.SQLT_AFC:
//case C.SQLT_REF:
//case C.SQLT_CLOB:
//case C.SQLT_BLOB:
//case C.SQLT_BFILEE:
//case C.SQLT_TIMESTAMP:
//case C.SQLT_TIME_TZ:
//case C.SQLT_INTERVAL_YM:
//case C.SQLT_INTERVAL_DS:
//case C.SQLT_TIMESTAMP_LTZ:
//case C.SQLT_RDD:
default:
s.columns = append(s.columns, NewColumnUnknownOracle(s, columnName, int(columnSize), int(columnType)))
}
fmt.Printf("Next len(stmt.columns)=%v\n", len(s.columns))
}
//return 0
}
res := C.OCIStmtFetch2(s.hStatement, s.con.driver.hError, 1 /*nrows*/, C.OCI_FETCH_NEXT, 0, C.OCI_DEFAULT)
if C.OCI_SUCCESS != res && C.OCI_NO_DATA != res {
fmt.Printf("Resultado OCIStmtFetch2=%v\n", res)
C.AuxOCIErrorGet(s.con.driver.hError)
return -4
} else if C.OCI_NO_DATA == res {
//fmt.Printf( "The result is:%v-%v\n", idValue, C.GoString(&surnameValue[0]))
return 0
}
return 1
}