TokyoTyrantQuery::hint

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TokyoTyrantQuery::hint — Get the hint string of the query

说明

public TokyoTyrantQuery::hint ( void ) : string

Get the hint string of the query. The hint string contains information about an executed query and it could be compared to for example MySQL EXPLAIN statement.

参数

此函数没有参数。

返回值

This method always returns a string

范例

Example #1 TokyoTyrantQuery::hint example

 <?php
$tt = new TokyoTyrantTable("localhost", 1979);
$tt->vanish();

for ($i = 0; $i < 11; $i++) {
     $tt->put(null, array('a_col' => 'a' . $i, 'b_col' => 'b' . $i));
}

$query = $tt->getQuery();
$query->addCond('a_col', TokyoTyrant::RDBQC_STRBW, 'a');

$query->search();
var_dump($query->hint());
?>

以上例程的输出类似于：

string(72) "
scanning the whole table
result set size: 11
leaving the natural order
"

参见

TokyoTyrantQuery::addCond() - Adds a condition to the query

php firebird/interbase 函数 execute a previously prepared query php firebird/interbase 函数 prepare a query for later binding of parameter placeholders and execution php imap 函数 decodes a modified utf 7 encoded string php maxdb 函数 returns the number of columns for the most recent query php maxdb 函数 check if there any more query results from a multi query php msession 函数 get random string php sqlite 函数 escapes a string for use as a query parameter php mongocursor gives the database a hint about the query php sdo das relational 函数 executes a given sql query against a relational database and returns the results as a normalised data graph php solrclient sends a query to the server php solrcollapsefunction sets collapse hint php solrdismaxquery removes a query field qf parameter php solrdismaxquery specifies the amount of slop permitted on phrase queries explicitly included in the user s query string qf parameter php solrdismaxquery switch queryparser to be dismax query parser php solrquery sets the maximum number of query terms included php solrutils escapes a lucene query string php tokyotyrantquery adds a condition to the query php tokyotyrantquery construct a new query php tokyotyrantquery get the hint string of the query php tokyotyrantquery removes records based on query