diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_type.go | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_type.go b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_type.go new file mode 100644 index 0000000..0fd8210 --- /dev/null +++ b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_type.go @@ -0,0 +1,108 @@ +// 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 ( + "database/sql" + "reflect" + "strings" +) + +// 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 { + //ct := C.sqlite3_column_type(rc.s.s, C.int(i)) // Always returns 5 + return scanType(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i)))) +} + +const ( + SQLITE_INTEGER = iota + SQLITE_TEXT + SQLITE_BLOB + SQLITE_REAL + SQLITE_NUMERIC + SQLITE_TIME + SQLITE_BOOL + SQLITE_NULL +) + +func scanType(cdt string) reflect.Type { + t := strings.ToUpper(cdt) + i := databaseTypeConvSqlite(t) + switch i { + case SQLITE_INTEGER: + return reflect.TypeOf(sql.NullInt64{}) + case SQLITE_TEXT: + return reflect.TypeOf(sql.NullString{}) + case SQLITE_BLOB: + return reflect.TypeOf(sql.RawBytes{}) + case SQLITE_REAL: + return reflect.TypeOf(sql.NullFloat64{}) + case SQLITE_NUMERIC: + return reflect.TypeOf(sql.NullFloat64{}) + case SQLITE_BOOL: + return reflect.TypeOf(sql.NullBool{}) + case SQLITE_TIME: + return reflect.TypeOf(sql.NullTime{}) + } + return reflect.TypeOf(new(interface{})) +} + +func databaseTypeConvSqlite(t string) int { + if strings.Contains(t, "INT") { + return SQLITE_INTEGER + } + if t == "CLOB" || t == "TEXT" || + strings.Contains(t, "CHAR") { + return SQLITE_TEXT + } + if t == "BLOB" { + return SQLITE_BLOB + } + if t == "REAL" || t == "FLOAT" || + strings.Contains(t, "DOUBLE") { + return SQLITE_REAL + } + if t == "DATE" || t == "DATETIME" || + t == "TIMESTAMP" { + return SQLITE_TIME + } + if t == "NUMERIC" || + strings.Contains(t, "DECIMAL") { + return SQLITE_NUMERIC + } + if t == "BOOLEAN" { + return SQLITE_BOOL + } + + return SQLITE_NULL +} |