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public function DatabaseStatementPrefetch::fetchField

public DatabaseStatementPrefetch::fetchField($index = 0)

Returns a single field from the next record of a result set.

Parameters

$index: The numeric index of the field to return. Defaults to the first field.

Return value

A single field from the next record, or FALSE if there is no next record.

Overrides DatabaseStatementInterface::fetchField

File

includes/database/prefetch.inc, line 385
Database interface code for engines that need complete control over their result sets. For example, SQLite will prefix some column names by the name of the table. We post-process the data, by renaming the column names using the same convention as…

Class

DatabaseStatementPrefetch
An implementation of DatabaseStatementInterface that prefetches all data.

Code

public function fetchField($index = 0) {
  return $this->fetchColumn($index);
}

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https://api.drupal.org/api/drupal/includes!database!prefetch.inc/function/DatabaseStatementPrefetch::fetchField/7.x