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Fix a comment.

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konstantin@mysql.com 2005-11-10 17:05:19 +03:00
parent 2636f3cc6f
commit 0d4dbfd1b7
1 changed files with 7 additions and 6 deletions
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13
sql/sql_cursor.cc
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@ -561,12 +561,13 @@ int Materialized_cursor::open(JOIN *join __attribute__((unused)))
if (rc == 0)
{
/*
Now send the result set metadata to the client. We need to do it
here, as in Select_materialize::send_fields the exact column types
are not yet known. The new types may differ from the original ones
sent at prepare if some of them were altered by MySQL HEAP tables
mechanism -- used when create_tmp_field_from_item may alter the
original column type.
Now send the result set metadata to the client. We need to
do it here, as in Select_materialize::send_fields the items
for column types are not yet created (send_fields requires
a list of items). The new types may differ from the original
ones sent at prepare if some of them were altered by MySQL
HEAP tables mechanism -- used when create_tmp_field_from_item
may alter the original column type.
We can't simply supply SEND_EOF flag to send_fields, because
send_fields doesn't flush the network buffer.