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(mysql.info.gz) mysql_real_query

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 22.2.3.48 `mysql_real_query()'
 ..............................
 
 `int mysql_real_query(MYSQL *mysql, const char *query, unsigned long
 length)'
 
 Description
 ...........
 
 Executes the SQL query pointed to by `query', which should be a string
 `length' bytes long.  Normally, the string must consist of a single SQL
 statement and you should not add a terminating semicolon (`;') or `\g'
 to the statement.  If multiple-statement execution has been enabled,
 the string can contain several statements separated by semicolons.
  C API multiple queries.
 
 You *must* use `mysql_real_query()' rather than `mysql_query()' for
 queries that contain binary data, because binary data may contain the
 `\0' character.  In addition, `mysql_real_query()' is faster than
 `mysql_query()' because it does not call `strlen()' on the query string.
 
 If you want to know whether the query should return a result set, you
 can use `mysql_field_count()' to check for this.  
 `mysql_field_count()' mysql_field_count.
 
 Return Values
 .............
 
 Zero if the query was successful. Non-zero if an error occurred.
 
 Errors
 ......
 
 `CR_COMMANDS_OUT_OF_SYNC'
      Commands were executed in an improper order.
 
 `CR_SERVER_GONE_ERROR'
      The MySQL server has gone away.
 
 `CR_SERVER_LOST'
      The connection to the server was lost during the query.
 
 `CR_UNKNOWN_ERROR'
      An unknown error occurred.
 
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