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Increase max package length to 512M for mysql and mysqldump.

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Faster 'read_first_row' (Fixes slow 'preparing' state)
Read constant tables earlier, which provides better optimzations when using tables with <=1 row.
This also fixes a complicated bug involving const tables.


Docs/manual.texi:
  Changelog
client/mysql.cc:
  Increase max package length to 512M
client/mysqldump.c:
  Increase max package length to 512M
dbug/dbug.c:
  Fixed wrong printf() format string.
mysql-test/t/innodb.test:
  Test for multi-table delete
sql/handler.cc:
  Faster 'read_first_row' (Fixes slow 'preparing' state)
sql/handler.h:
  Faster 'read_first_row' (Fixes slow 'preparing' state)
sql/opt_range.cc:
  More debug info.
sql/sql_select.cc:
  Read constant tables earlier, which provides better optimzations when using tables with <=1 row.
  This also fixes a complicated bug involving const tables.
sql/sql_select.h:
  Read const tables earlier
This commit is contained in:
unknown
2002-01-23 02:52:26 +02:00
parent 879e892d66
commit 7b72c14bbb
10 changed files with 425 additions and 270 deletions
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4
client/mysql.cc
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@@ -477,8 +477,8 @@ static struct option long_options[] =
CHANGEABLE_VAR changeable_vars[] = {
{ "connect_timeout", (long*) &opt_connect_timeout, 0, 0, 3600*12, 0, 1},
{ "max_allowed_packet", (long*) &max_allowed_packet,16*1024L*1024L,4096,
24*1024L*1024L, MALLOC_OVERHEAD,1024},
{ "net_buffer_length",(long*) &net_buffer_length,16384,1024,24*1024*1024L,
512*1024L*1024L, MALLOC_OVERHEAD,1024},
{ "net_buffer_length",(long*) &net_buffer_length,16384,1024,512*1024*1024L,
MALLOC_OVERHEAD,1024},
{ "select_limit", (long*) &select_limit, 1000L, 1, ~0L, 0, 1},
{ "max_join_size", (long*) &max_join_size, 1000000L, 1, ~0L, 0, 1},