(PHP 4 >= 4.3.0, PHP 5)
pg_select — Select records
$connection
, string $table_name
, array $assoc_array
[, int $options = PGSQL_DML_EXEC
] )pg_select() selects records specified by assoc_array which has field=>value. For a successful query, it returns an array containing all records and fields that match the condition specified by assoc_array.
If options is specified, pg_convert() is applied to assoc_array with the specified flags.
Esta función ha sido declarada EXPERIMENTAL. Su comportamiento, su nombre y la documentación que le acompaña puede cambiar sin previo aviso en futuras versiones de PHP. Use esta función bajo su propio riesgo.
connection
PostgreSQL database connection resource.
table_name
Name of the table from which to select rows.
assoc_array
An array whose keys are field names in the table table_name,
and whose values are the conditions that a row must meet to be retrieved.
options
Any number of PGSQL_CONV_FORCE_NULL,
PGSQL_DML_NO_CONV,
PGSQL_DML_EXEC,
PGSQL_DML_ASYNC or
PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the
options then query string is returned.
Devuelve TRUE en caso de éxito o FALSE en caso de error. Returns string if PGSQL_DML_STRING is passed
via options.
Ejemplo #1 pg_select() example
<?php
$db = pg_connect('dbname=foo');
// This is safe, since $_POST is converted automatically
$rec = pg_select($db, 'post_log', $_POST);
if ($rec) {
echo "Records selected\n";
var_dump($rec);
} else {
echo "User must have sent wrong inputs\n";
}
?>