// Allocate a variable and define it for the given statement.
func (cur *Cursor) varDefine(numElements, position uint) (*Variable, error) {
var param *C.OCIParam
// retrieve parameter descriptor
if cur.handle == nil {
log.Printf("WARN: nil cursor handle in varDefine!")
}
// log.Printf("retrieve parameter descriptor cur.handle=%s pos=%d", cur.handle, position)
if CTrace {
ctrace("OCIParamGet(cur=%p, HTYPE_STMT, env=%p, param=%p, position=%d)",
cur.handle, "HTYPE_STMT", cur.environment.errorHandle,
¶m, position)
}
if err := cur.environment.CheckStatus(
C.OCIParamGet(unsafe.Pointer(cur.handle), C.OCI_HTYPE_STMT,
cur.environment.errorHandle,
(*unsafe.Pointer)(unsafe.Pointer(¶m)), C.ub4(position)),
"parameter"); err != nil {
log.Printf("NO PARAM! %s", err)
return nil, err
}
// log.Printf("got param handle")
// call the helper to do the actual work
v, err := cur.variableDefineHelper(param, position, numElements)
// log.Printf("variable defined err=%s nil?%s", err, err == nil)
if CTrace {
ctrace("OCIDescriptorFree(%p, DTYPE_PARAM)", param)
}
C.OCIDescriptorFree(unsafe.Pointer(param), C.OCI_DTYPE_PARAM)
return v, err
}
// Return a tuple describing the item at the given position.
func (cur *Cursor) itemDescription(pos uint) (desc VariableDescription, err error) {
var param *C.OCIParam
// acquire parameter descriptor
if CTrace {
ctrace("OCIParamGet", cur.handle, "HTYPE_STMT", cur.environment.errorHandle,
¶m, pos)
}
if err = cur.environment.CheckStatus(
C.OCIParamGet(unsafe.Pointer(cur.handle), C.OCI_HTYPE_STMT,
cur.environment.errorHandle,
(*unsafe.Pointer)(unsafe.Pointer(¶m)), C.ub4(pos)),
"itemDescription(): parameter"); err != nil {
return
}
// use helper routine to get tuple
desc, err = cur.itemDescriptionHelper(pos, param)
if CTrace {
ctrace("OCIDescriptorFree", param, "DTYPE_PARAM")
}
C.OCIDescriptorFree(unsafe.Pointer(param), C.OCI_DTYPE_PARAM)
return
}
// 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) (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
}
// Open defines select-list columns.
func (rset *Rset) open(stmt *Stmt, ocistmt *C.OCIStmt) error {
rset.stmt = stmt
rset.ocistmt = ocistmt
rset.Index = -1
rset.Err = nil
rset.log(_drv.cfg.Log.Rset.Open) // call log after rset.stmt is set
// get the implcit select-list describe information; no server round-trip
r := C.OCIStmtExecute(
rset.stmt.ses.srv.ocisvcctx, //OCISvcCtx *svchp,
rset.ocistmt, //OCIStmt *stmtp,
rset.stmt.ses.srv.env.ocierr, //OCIError *errhp,
C.ub4(1), //ub4 iters,
C.ub4(0), //ub4 rowoff,
nil, //const OCISnapshot *snap_in,
nil, //OCISnapshot *snap_out,
C.OCI_DESCRIBE_ONLY) //ub4 mode );
if r == C.OCI_ERROR {
return rset.stmt.ses.srv.env.ociError()
}
// get the parameter count
var paramCount C.ub4
err := rset.attr(unsafe.Pointer(¶mCount), 4, C.OCI_ATTR_PARAM_COUNT)
if err != nil {
return err
}
// make defines slice
rset.defs = make([]def, int(paramCount))
rset.ColumnNames = make([]string, int(paramCount))
rset.Row = make([]interface{}, int(paramCount))
//fmt.Printf("rset.open (paramCount %v)\n", paramCount)
// create parameters for each select-list column
var gct GoColumnType
for n := range rset.defs {
// Create oci parameter handle; may be freed by OCIDescriptorFree()
// parameter position is 1-based
var ocipar *C.OCIParam
r := C.OCIParamGet(
unsafe.Pointer(rset.ocistmt), //const void *hndlp,
C.OCI_HTYPE_STMT, //ub4 htype,
rset.stmt.ses.srv.env.ocierr, //OCIError *errhp,
(*unsafe.Pointer)(unsafe.Pointer(&ocipar)), //void **parmdpp,
C.ub4(n+1)) //ub4 pos );
if r == C.OCI_ERROR {
return rset.stmt.ses.srv.env.ociError()
}
// Get column size in bytes
var columnSize uint32
err = rset.paramAttr(ocipar, unsafe.Pointer(&columnSize), 0, C.OCI_ATTR_DATA_SIZE)
if err != nil {
return err
}
// Get oci data type code
var ociTypeCode C.ub2
err = rset.paramAttr(ocipar, unsafe.Pointer(&ociTypeCode), 0, C.OCI_ATTR_DATA_TYPE)
if err != nil {
return err
}
// Get column name
var columnName *C.char
err := rset.paramAttr(ocipar, unsafe.Pointer(&columnName), 0, C.OCI_ATTR_NAME)
if err != nil {
return err
}
rset.ColumnNames[n] = C.GoString(columnName)
//fmt.Printf("Rset.open: ociTypeCode (%v)\n", ociTypeCode)
//Log.Infof("Rset.open: ociTypeCode=%d name=%s size=%d", ociTypeCode, rset.ColumnNames[n], columnSize)
//log(true, "ociTypeCode=", int(ociTypeCode), ", name=", rset.ColumnNames[n], ", size=", columnSize)
switch ociTypeCode {
case C.SQLT_NUM:
// NUMBER
// Get precision
var precision C.sb2
err = rset.paramAttr(ocipar, unsafe.Pointer(&precision), 0, C.OCI_ATTR_PRECISION)
if err != nil {
return err
}
// Get scale (the number of decimal places)
var numericScale C.sb1
err = rset.paramAttr(ocipar, unsafe.Pointer(&numericScale), 0, C.OCI_ATTR_SCALE)
if err != nil {
return err
}
// If the precision is nonzero and scale is -127, then it is a FLOAT;
// otherwise, it's a NUMBER(precision, scale).
if precision != 0 && (numericScale > 0 || numericScale == -127) {
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
if numericScale == -127 {
gct = rset.stmt.cfg.Rset.float
} else {
gct = rset.stmt.cfg.Rset.numberFloat
}
} else {
err = checkNumericColumn(stmt.gcts[n], rset.ColumnNames[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err := rset.defineNumeric(n, gct)
if err != nil {
return err
}
} else {
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.numberInt
} else {
err = checkNumericColumn(stmt.gcts[n], rset.ColumnNames[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err := rset.defineNumeric(n, gct)
if err != nil {
return err
}
}
case C.SQLT_IBDOUBLE:
// BINARY_DOUBLE
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.binaryDouble
} else {
err = checkNumericColumn(stmt.gcts[n], rset.ColumnNames[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err := rset.defineNumeric(n, gct)
if err != nil {
return err
}
case C.SQLT_IBFLOAT:
// BINARY_FLOAT
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.binaryFloat
} else {
err = checkNumericColumn(stmt.gcts[n], rset.ColumnNames[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err := rset.defineNumeric(n, gct)
if err != nil {
return err
}
case C.SQLT_DAT, C.SQLT_TIMESTAMP, C.SQLT_TIMESTAMP_TZ, C.SQLT_TIMESTAMP_LTZ:
// DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, TIMESTAMP WITH LOCAL TIMEZONE
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
switch ociTypeCode {
case C.SQLT_DAT:
gct = rset.stmt.cfg.Rset.date
case C.SQLT_TIMESTAMP:
gct = rset.stmt.cfg.Rset.timestamp
case C.SQLT_TIMESTAMP_TZ:
gct = rset.stmt.cfg.Rset.timestampTz
case C.SQLT_TIMESTAMP_LTZ:
gct = rset.stmt.cfg.Rset.timestampLtz
}
} else {
err = checkTimeColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
isNullable := false
if gct == OraT {
isNullable = true
}
def := rset.getDef(defIdxTime).(*defTime)
rset.defs[n] = def
err = def.define(n+1, isNullable, rset)
if err != nil {
return err
}
case C.SQLT_CHR:
// VARCHAR, VARCHAR2, NVARCHAR2
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.varchar
} else {
err = checkStringColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err = rset.defineString(n, columnSize, gct)
if err != nil {
return err
}
case C.SQLT_AFC:
//Log.Infof("rset AFC size=%d gct=%v", columnSize, gct)
// CHAR, NCHAR
// for char(1 char) columns, columnSize is 4 (AL32UTF8 charset)
if columnSize == 1 || columnSize == 4 {
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.char1
} else {
err = checkBoolOrStringColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
switch gct {
case B, OraB:
// Interpret single char as bool
isNullable := false
if gct == OraB {
isNullable = true
}
def := rset.getDef(defIdxBool).(*defBool)
rset.defs[n] = def
err = def.define(n+1, int(columnSize), isNullable, rset)
if err != nil {
return err
}
case S, OraS:
// Interpret single char as string
rset.defineString(n, columnSize, gct)
}
} else {
// Interpret as string
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.char
} else {
err = checkStringColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
err = rset.defineString(n, columnSize, gct)
if err != nil {
return err
}
}
case C.SQLT_LNG:
// LONG
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.long
} else {
err = checkStringColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
// longBufferSize: Use a moderate default buffer size; 2GB max buffer may not be feasible on all clients
err = rset.defineString(n, stmt.cfg.longBufferSize, gct)
if err != nil {
return err
}
case C.SQLT_CLOB:
// CLOB, NCLOB
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.clob
} else {
err = checkStringColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
// Get character set form
var charsetForm C.ub1
err = rset.paramAttr(ocipar, unsafe.Pointer(&charsetForm), 0, C.OCI_ATTR_CHARSET_FORM)
if err != nil {
return err
}
def := rset.getDef(defIdxLob).(*defLob)
rset.defs[n] = def
err = def.define(n+1, charsetForm, C.SQLT_CLOB, gct, rset)
if err != nil {
return err
}
case C.SQLT_BLOB:
// BLOB
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.blob
} else {
err = checkBinColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
def := rset.getDef(defIdxLob).(*defLob)
rset.defs[n] = def
err = def.define(n+1, C.SQLCS_IMPLICIT, C.SQLT_BLOB, gct, rset)
if err != nil {
return err
}
case C.SQLT_BIN:
// RAW
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.raw
} else {
err = checkBinColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
isNullable := false
if gct == OraBin {
isNullable = true
}
def := rset.getDef(defIdxRaw).(*defRaw)
rset.defs[n] = def
err = def.define(n+1, int(columnSize), isNullable, rset)
if err != nil {
return err
}
case C.SQLT_LBI:
//log(true, "LONG RAW")
// LONG RAW
if stmt.gcts == nil || n >= len(stmt.gcts) || stmt.gcts[n] == D {
gct = rset.stmt.cfg.Rset.longRaw
} else {
err = checkBinColumn(stmt.gcts[n])
if err != nil {
return err
}
gct = stmt.gcts[n]
}
isNullable := false
if gct == OraBin {
isNullable = true
}
def := rset.getDef(defIdxLongRaw).(*defLongRaw)
rset.defs[n] = def
err = def.define(n+1, rset.stmt.cfg.longRawBufferSize, isNullable, rset)
if err != nil {
return err
}
case C.SQLT_INTERVAL_YM:
def := rset.getDef(defIdxIntervalYM).(*defIntervalYM)
rset.defs[n] = def
err = def.define(n+1, rset)
if err != nil {
return err
}
case C.SQLT_INTERVAL_DS:
def := rset.getDef(defIdxIntervalDS).(*defIntervalDS)
rset.defs[n] = def
err = def.define(n+1, rset)
if err != nil {
return err
}
case C.SQLT_FILE:
// BFILE
def := rset.getDef(defIdxBfile).(*defBfile)
rset.defs[n] = def
err = def.define(n+1, rset)
if err != nil {
return err
}
case C.SQLT_RDD:
// ROWID, UROWID
def := rset.getDef(defIdxRowid).(*defRowid)
rset.defs[n] = def
err = def.define(n+1, rset)
if err != nil {
return err
}
break
default:
return errF("unsupported select-list column type (ociTypeCode: %v)", ociTypeCode)
}
}
rset.logF(_drv.cfg.Log.Rset.OpenDefs, "%#v", rset.defs)
return nil
}
