Modules/MTA-MySQL/mysql field length: Difference between revisions
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m (Fixed the link to mysql_num_fields()) |
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__NOTOC__ | __NOTOC__ | ||
{{ModuleFunction|MTA-MySQL}} | {{ModuleFunction|MTA-MySQL}} | ||
Returns the length of a given field in the last retreived row. The offset of the field must be an integer between '''1''' and '''[[Modules/MTA-MySQL | Returns the length of a given field in the last retreived row. The offset of the field must be an integer between '''1''' and '''[[Modules/MTA-MySQL/mysql_num_fields|mysql_num_fields()]]''' | ||
==Syntax== | ==Syntax== | ||
Revision as of 19:11, 24 November 2009
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This function is provided by the external module MTA-MySQL. You must install this module to use this function. |
Returns the length of a given field in the last retreived row. The offset of the field must be an integer between 1 and mysql_num_fields()
Syntax
int mysql_field_length ( MySQLResult result, int offset )
Required arguments
- result: A valid MySQL result
- offset: A valid offset
Returns
The given field data length.
Example
Example 1:
local result = mysql_query(handler, "SELECT name FROM account WHERE id='1' LIMIT 1") -- Execute the query
if (result) then
local row = mysql_fetch_row(result)
local length = mysql_field_length(result, 1)
outputDebugString("The length of " .. row[1] .. " is " .. length)
mysql_free_result(result) -- Free the result
end