query.keyExists()
Determines whether a specific column is present in a query.
query.keyExists( column=string )
Returns: Boolean
| Argument | Description |
|---|---|
|
column
string,
required
|
edit
Key to be matched with the columns. |
Examples
editq = queryNew( "id,name","int,varchar");
q.addRow(4);
q.setCell("id", 1, 1);
q.setCell("id", 2, 2);
q.setCell("id", 3, 3);
q.setCell("id", 4, 4);
q.setCell("name", "one", 1);
q.setCell("name", "two", 2);
q.setCell("name", "three",3);
q.setCell("name", "four", 4);
dump(q);
writedump(q.keyExists("id"));
writedump(q.keyExists("name"));
writedump(q.keyExists("title"));