MySQL Connector/C++
MySQL connector library for C and C++ applications
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An operation which updates rows stored in a table. More...
Public Member Functions | |
TableUpdate & | set (const string &field, const Value &val) |
Set the given field in a row to the given value. | |
Operation & | where (const string &expr) |
Specify selection criteria for rows that should be updated. | |
Operation & | orderBy (Type... spec) |
Specify ordering of rows in a query results. | |
Operation & | limit (unsigned items) |
Limit the operation to the given number of items (rows or documents). | |
BindOperation & | bind (const string ¶meter, const Value &val) |
Bind parameter with given name to the given value. | |
Operation & | bind (const Map &args) |
Bind parameters to values given by a map from parameter names to their values. | |
virtual Result | execute () |
Execute given operation and return its result. | |
virtual Result | execute () |
Execute given operation and return its result. | |
virtual Result | execute () |
Execute given operation and return its result. | |
An operation which updates rows stored in a table.
Methods of this clas specify modifications to be applied to each row as well as the set of rows that should be modified.
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inline |
Set the given field in a row to the given value.
The value can be either a direct literal or an expression given as expr(<string>)
, to be evaluated in the server.
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inlineinherited |
Specify ordering of rows in a query results.
Arguments are one or more strings of the form "<expr> <dir>"
where <expr>
gives the value to sort on and <dir>
is a sorting direction ASC
or DESC
.
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inlineinherited |
Bind parameter with given name to the given value.
A statement or query can be executed only if all named parameters used by it are bound to values.