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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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