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// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package sqlite3
/*
#ifndef USE_LIBSQLITE3
#include <sqlite3-binding.h>
#else
#include <sqlite3.h>
#endif
*/
import "C"
import (
"reflect"
"time"
)
// ColumnTypeDatabaseTypeName implement RowsColumnTypeDatabaseTypeName.
func (rc *SQLiteRows) ColumnTypeDatabaseTypeName(i int) string {
return C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i)))
}
/*
func (rc *SQLiteRows) ColumnTypeLength(index int) (length int64, ok bool) {
return 0, false
}
func (rc *SQLiteRows) ColumnTypePrecisionScale(index int) (precision, scale int64, ok bool) {
return 0, 0, false
}
*/
// ColumnTypeNullable implement RowsColumnTypeNullable.
func (rc *SQLiteRows) ColumnTypeNullable(i int) (nullable, ok bool) {
return true, true
}
// ColumnTypeScanType implement RowsColumnTypeScanType.
func (rc *SQLiteRows) ColumnTypeScanType(i int) reflect.Type {
switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
case C.SQLITE_INTEGER:
switch C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))) {
case "timestamp", "datetime", "date":
return reflect.TypeOf(time.Time{})
case "boolean":
return reflect.TypeOf(false)
}
return reflect.TypeOf(int64(0))
case C.SQLITE_FLOAT:
return reflect.TypeOf(float64(0))
case C.SQLITE_BLOB:
return reflect.SliceOf(reflect.TypeOf(byte(0)))
case C.SQLITE_NULL:
return reflect.TypeOf(nil)
case C.SQLITE_TEXT:
return reflect.TypeOf("")
}
return reflect.SliceOf(reflect.TypeOf(byte(0)))
}
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