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1. drupal
   1. drupal6 database.mysql.inc
   2. drupal6 database.mysqli.inc
   3. drupal6
   4. drupal7 database.inc

Check if a column exists in the given table.

Übergabeparameter

$table The name of the table.

$column The name of the column.

Rückgabewert

TRUE if the column exists, and FALSE if the column does not exist.

Verwandte Themen

Database abstraction layer

Allow the use of different database servers using the same code base.

Code

includes/database.pgsql.inc, line 408

<?php
function db_column_exists($table, $column) {
  return (bool) db_result(db_query("SELECT COUNT(pg_attribute.attname) FROM pg_class, pg_attribute WHERE pg_attribute.attrelid = pg_class.oid AND pg_class.relname = '{" . db_escape_table($table) . "}' AND attname = '" . db_escape_table($column) . "'"));
}
?>