diff options
author | unknown <brian@zim.(none)> | 2005-06-01 18:48:29 -0700 |
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committer | unknown <brian@zim.(none)> | 2005-06-01 18:48:29 -0700 |
commit | e2bf6b04a6d97a6680cd4deb653fc92e6604bfea (patch) | |
tree | 6a69ff42d381e6dc38ff3518c762a6fdb7a8bb0c /sql/examples/ha_tina.cc | |
parent | e71ef9416f84922310f88c1cd7295334dadfeb68 (diff) | |
parent | 0218ecf7af9bb7dee577ec01f42f602205ec3483 (diff) | |
download | mariadb-git-e2bf6b04a6d97a6680cd4deb653fc92e6604bfea.tar.gz |
Merge
sql/ha_heap.cc:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/examples/ha_archive.cc:
Auto merged
sql/examples/ha_example.cc:
Auto merged
sql/examples/ha_tina.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_repl.cc:
SCCS merged
Diffstat (limited to 'sql/examples/ha_tina.cc')
-rw-r--r-- | sql/examples/ha_tina.cc | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/sql/examples/ha_tina.cc b/sql/examples/ha_tina.cc index 44040ad3b61..16e28e5ae85 100644 --- a/sql/examples/ha_tina.cc +++ b/sql/examples/ha_tina.cc @@ -20,10 +20,10 @@ First off, this is a play thing for me, there are a number of things wrong with it: *) It was designed for csv and therefor its performance is highly questionable. *) Indexes have not been implemented. This is because the files can be traded in - and out of the table directory without having to worry about rebuilding anything. + and out of the table directory without having to worry about rebuilding anything. *) NULLs and "" are treated equally (like a spreadsheet). *) There was in the beginning no point to anyone seeing this other then me, so there - is a good chance that I haven't quite documented it well. + is a good chance that I haven't quite documented it well. *) Less design, more "make it work" Now there are a few cool things with it: @@ -91,12 +91,12 @@ int get_mmap(TINA_SHARE *share, int write) { if (write) share->mapped_file= (byte *)mmap(NULL, share->file_stat.st_size, - PROT_READ|PROT_WRITE, MAP_SHARED, - share->data_file, 0); + PROT_READ|PROT_WRITE, MAP_SHARED, + share->data_file, 0); else share->mapped_file= (byte *)mmap(NULL, share->file_stat.st_size, - PROT_READ, MAP_PRIVATE, - share->data_file, 0); + PROT_READ, MAP_PRIVATE, + share->data_file, 0); if ((share->mapped_file ==(caddr_t)-1)) { /* @@ -146,9 +146,9 @@ static TINA_SHARE *get_share(const char *table_name, TABLE *table) { char data_file_name[FN_REFLEN]; if (!my_multi_malloc(MYF(MY_WME | MY_ZEROFILL), - &share, sizeof(*share), - &tmp_name, length+1, - NullS)) + &share, sizeof(*share), + &tmp_name, length+1, + NullS)) { pthread_mutex_unlock(&tina_mutex); return NULL; @@ -343,7 +343,6 @@ int ha_tina::find_current_row(byte *buf) for (Field **field=table->field ; *field ; field++) { - int x; buffer.length(0); mapped_ptr++; // Increment past the first quote for(;mapped_ptr != end_ptr; mapped_ptr++) @@ -738,28 +737,16 @@ int ha_tina::rnd_end() */ qsort(chain, (size_t)(chain_ptr - chain), sizeof(tina_set), (qsort_cmp)sort_set); for (ptr= chain; ptr < chain_ptr; ptr++) - printf("Chain %d, %d\n", (int)ptr->begin, (int)ptr->end); - for (ptr= chain; ptr < chain_ptr; ptr++) { - //memmove(share->mapped_file + ptr->begin, share->mapped_file - //+ ptr->end, length - (size_t)ptr->end); /* We peek a head to see if this is the last chain */ - printf("Delete %d, %d, %d\n", (int)ptr->begin, (int)ptr->end, (int)length); if (ptr+1 == chain_ptr) - { - printf("Shiftina(end) %d(%d) to %d\n", (int)ptr->end, (int)(length - (size_t)ptr->end), (int)ptr->begin); memmove(share->mapped_file + ptr->begin, share->mapped_file + ptr->end, length - (size_t)ptr->end); - } else - { - printf("Shifting %d(%d) to %d\n", (int)ptr->end, (int)((ptr++)->begin - (size_t)ptr->end), (int)ptr->begin); - memmove(share->mapped_file + ptr->begin, share->mapped_file + ptr->end, - (size_t)(ptr++)->begin - (size_t)ptr->end); - } + memmove((caddr_t)share->mapped_file + ptr->begin, (caddr_t)share->mapped_file + ptr->end, + (size_t)((ptr++)->begin - ptr->end)); length= length - (size_t)(ptr->end - ptr->begin); } - printf("Buffer %s\n",share->mapped_file); /* Truncate the file to the new size */ if (my_chsize(share->data_file, length, 0, MYF(MY_WME))) @@ -842,7 +829,7 @@ int ha_tina::create(const char *name, TABLE *table_arg, HA_CREATE_INFO *create_i DBUG_ENTER("ha_tina::create"); if ((create_file= my_create(fn_format(name_buff,name,"",".CSV",MY_REPLACE_EXT|MY_UNPACK_FILENAME),0, - O_RDWR | O_TRUNC,MYF(MY_WME))) < 0) + O_RDWR | O_TRUNC,MYF(MY_WME))) < 0) DBUG_RETURN(-1); my_close(create_file,MYF(0)); |