TokyoTyrantQuery::count()
(No version information available, might only be in Git)
Counts records
说明
public TokyoTyrantQuery::count(void): int
Returns a count of how many records a query returns.
参数
此函数没有参数。
返回值
Returns a count of matching rows and throws TokyoTyrantException on error
范例
Example #1 TokyoTyrantQuery::count() example
<?php /* Connect to a table database */ $tt = new TokyoTyrantTable("localhost", 1979); /* Add rows */ $tt->put(null, array("column1" => "some data", "column2" => "something here")); $tt->put(null, array("column1" => "more data", "column2" => "best data this far")); $tt->put(null, array("column1" => "again data", "column3" => "not here")); $tt->put(null, array("column45" => "random data", "column2" => "something along the lines")); $tt->put(null, array("column21" => "test data", "column2" => "generating..")); $tt->put(null, array("column1" => "foobar data", "column2" => "value here")); /* Get a new query object */ $query = $tt->getQuery(); /* Add a search condition */ $query->addCond("column2", TokyoTyrant::RDBQC_STROR, "something"); /* Count the results */ var_dump($query->count()); ?>
以上例程会输出:
int(2)
参见
- TokyoTyrantQuery::out() Removes records based on query
- TokyoTyrantQuery::search() Searches records
- TokyoTyrantQuery::metaSearch() Retrieve records with multiple queries