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Don't write rows in MyISAM tables when using count(distinct)

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Don't read MyISAM header when running without locking
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monty@tik.mysql.fi
2001-05-23 02:40:46 +03:00
parent a3be64bfa5
commit 8685094e15
13 changed files with 87 additions and 39 deletions
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sql/table.h
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@ -89,7 +89,7 @@ struct st_table {
my_bool copy_blobs; /* copy_blobs when storing */
my_bool null_row; /* All columns are null */
my_bool maybe_null,outer_join; /* Used with OUTER JOIN */
my_bool distinct,const_table;
my_bool distinct,const_table,no_rows;
my_bool key_read;
my_bool crypted;
my_bool db_low_byte_first; /* Portable row format */