use case insensitive table options keys
// limitations under the License.
//
-pub const TBL_OPT_KEY_SNAPSHOT_LOC: &str = "SNAPSHOT_LOC";
-pub const TBL_OPT_KEY_CHUNK_BLOCK_NUM: &str = "CHUNK_BLOCK_NUM";
-pub const TBL_OPT_KEY_BLOCK_IN_MEM_SIZE_THRESHOLD: &str = "BLOCK_SIZE_THRESHOLD";
+pub const TBL_OPT_KEY_SNAPSHOT_LOC: &str = "snapshot_loc";
+pub const TBL_OPT_KEY_CHUNK_BLOCK_NUM: &str = "chunk_block_num";
+pub const TBL_OPT_KEY_BLOCK_IN_MEM_SIZE_THRESHOLD: &str = "block_size_threshold";
-pub const TBL_OPT_KEY_BLOCK_PER_SEGMENT: &str = "BLOCK_PER_SEGMENT";
-pub const TBL_OPT_KEY_ROW_PER_BLOCK: &str = "ROW_PER_BLOCK";
+pub const TBL_OPT_KEY_BLOCK_PER_SEGMENT: &str = "block_per_segment";
+pub const TBL_OPT_KEY_ROW_PER_BLOCK: &str = "row_per_block";
pub const FUSE_TBL_BLOCK_PREFIX: &str = "_b";
pub const FUSE_TBL_SEGMENT_PREFIX: &str = "_sg";
pub const FUSE_TBL_SNAPSHOT_PREFIX: &str = "_ss";
