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add IS NULL/IS NOT NULL support, patches

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brianb
2004-02-06 23:55:18 +00:00
parent af7b6953ad
commit 5f02ba4fd2
10 changed files with 211 additions and 145 deletions
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4
src/libmdb/data.c
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@@ -392,7 +392,7 @@ int mdb_read_row(MdbTableDef *table, int row)
} else {
len=mdb->pg_buf[col_ptr - var_cols_found ] - col_start;
}
if (len<0)
while (len<0)
len+=256;
}
@@ -471,7 +471,7 @@ mdb_read_next_dpg_by_map1(MdbTableDef *table)
* offset gives us a page offset into the bitmap (must be converted
* to bytes and bits).
*/
pgnum = table->cur_phys_pg + 1;
pgnum = table->cur_phys_pg + 1;
map_ind = pgnum / ((mdb->fmt->pg_size - 4) * 8);
offset = pgnum % ((mdb->fmt->pg_size - 4) * 8);
bit_offset = offset % 8;