diff options
Diffstat (limited to 'src/storage/chewing_large_table.cpp')
-rw-r--r-- | src/storage/chewing_large_table.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/storage/chewing_large_table.cpp b/src/storage/chewing_large_table.cpp index 68eb3ed..7779aae 100644 --- a/src/storage/chewing_large_table.cpp +++ b/src/storage/chewing_large_table.cpp @@ -488,9 +488,18 @@ int ChewingBitmapIndexLevel::remove_index(int phrase_length, [first_key.m_initial][first_key.m_middle] [first_key.m_final][first_key.m_tone]; - if (length_array) - return length_array->remove_index(phrase_length - 1, keys + 1, token); - return ERROR_REMOVE_ITEM_DONOT_EXISTS; + if (NULL == length_array) + return ERROR_REMOVE_ITEM_DONOT_EXISTS; + + int retval = length_array->remove_index(phrase_length - 1, keys + 1, token); + + /* remove empty array. */ + if (0 == length_array->get_length()) { + delete length_array; + length_array = NULL; + } + + return retval; } int ChewingLengthIndexLevel::add_index(int phrase_length, |