chore: initial commit

internal/db/schema/files.sql

@@ -0,0 +1,28 @@
+CREATE TABLE files
+(
+    id            INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    file_name     TEXT      NOT NULL,
+    file_path     TEXT      NOT NULL,
+    original_name TEXT      NOT NULL,
+    folder_name   TEXT      NOT NULL,
+    mime_type     TEXT      NOT NULL,
+    file_size     BIGINT    NOT NULL,
+    created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at    TIMESTAMPTZ
+);
+
+CREATE TRIGGER update_files_updated_at
+    BEFORE UPDATE
+    ON files
+    FOR EACH ROW
+EXECUTE FUNCTION update_updated_at_column();
+
+COMMENT ON COLUMN files.id IS '主键ID';
+COMMENT ON COLUMN files.file_name IS '文件名 xxx.jpg';
+COMMENT ON COLUMN files.file_path IS '文件路径 带path /xxx/xxx.jpg';
+COMMENT ON COLUMN files.original_name IS '原始文件名';
+COMMENT ON COLUMN files.folder_name IS '文件夹名称';
+COMMENT ON COLUMN files.mime_type IS 'mime_type';
+COMMENT ON COLUMN files.file_size IS '文件大小';
+COMMENT ON COLUMN files.created_at IS '上传时间';
+COMMENT ON COLUMN files.updated_at IS '修改时间';