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Implement a fix for Bug#57058 -- send SERVER_QUERY_WAS_SLOW over

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network when a query was slow.

When a query is slow, sent a special flag to the client
indicating this fact.

Add a test case.
Implement review comments.
This commit is contained in:
Konstantin Osipov
2010-11-12 15:56:21 +03:00
parent 936bec8e2c
commit 4749b88494
10 changed files with 70 additions and 27 deletions
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6
include/mysql_com.h
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@@ -255,7 +255,11 @@ enum enum_server_command
#define SERVER_STATUS_CLEAR_SET (SERVER_QUERY_NO_GOOD_INDEX_USED| \
SERVER_QUERY_NO_INDEX_USED|\
SERVER_MORE_RESULTS_EXISTS|\
SERVER_STATUS_METADATA_CHANGED)
SERVER_STATUS_METADATA_CHANGED |\
SERVER_QUERY_WAS_SLOW |\
SERVER_STATUS_DB_DROPPED |\
SERVER_STATUS_CURSOR_EXISTS|\
SERVER_STATUS_LAST_ROW_SENT)
#define MYSQL_ERRMSG_SIZE 512
#define NET_READ_TIMEOUT 30 /* Timeout on read */