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Add support to read in dblayer with order and colmuns displayed

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Return the number of deleted rows in delete


git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1223 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
This commit is contained in:
Dominique Fournier
2014-03-18 18:35:48 +00:00
parent a11b4d0bb7
commit 383e831ff3
1 changed files with 21 additions and 7 deletions
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24
dblayer.php
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@@ -102,17 +102,27 @@ class dblayer extends PDO
return $this->db->lastInsertId(); return $this->db->lastInsertId();
} }
/** Read all the table or only one line defined by the select key, the select /** Read the table content based on a select filter, ordered by order
operator and the associated select value operator and the associated select value
$select = array (array ($key, $val, $operator)) - $select = array (array ($key, $val, $operator), ...)
$key=>column, $val=>value to found, $operator=>'LIKE', =... $key=>column, $val=>value to found, $operator=>'LIKE', =...
$order = array (array ($key, $orientation)) - $display = array ($col1, $col2...);
Columns displayed
- $order = array (array ($key, $orientation), ...)
$key=>column, $orientation=ASC/DESC $key=>column, $orientation=ASC/DESC
*/ */
function read ($select=null, $order=null) function read ($select=null, $display=null, $order=null)
{ {
if ($this->db === null) if ($this->db === null)
throw new Exception ("Database not connected"); throw new Exception ("Database not connected");
if ($display !== null)
{
foreach ($display as $f)
{
if (!in_array ($f, array_keys ($this->fields)))
throw new Exception ("Field $f not allowed");
}
}
$req = "SELECT "; $req = "SELECT ";
$req .= implode (",", array_keys ($this->fields)); $req .= implode (",", array_keys ($this->fields));
$req .= " FROM `".$this->table."`"; $req .= " FROM `".$this->table."`";
@@ -155,6 +165,7 @@ class dblayer extends PDO
$st->bindValue (":".$s[0], $s[1]); $st->bindValue (":".$s[0], $s[1]);
} }
} }
$st->execute (); $st->execute ();
$res = array (); $res = array ();
while ($d = $st->fetch (PDO::FETCH_ASSOC)) while ($d = $st->fetch (PDO::FETCH_ASSOC))
@@ -184,6 +195,7 @@ class dblayer extends PDO
$req .= "$key=:$key"; $req .= "$key=:$key";
$i++; $i++;
} }
$req .= " WHERE $this->primary=:primary"; $req .= " WHERE $this->primary=:primary";
if ($this->debug) echo "DEBUG : $req\n"; if ($this->debug) echo "DEBUG : $req\n";
$st = $this->db->prepare ($req); $st = $this->db->prepare ($req);
@@ -208,7 +220,8 @@ class dblayer extends PDO
$st->execute (); $st->execute ();
} }
/** Delete a tuple identified by its primary key */ /** Delete a tuple identified by its primary key
Return the number of deleted rows (can be 0 !) */
function delete ($deletekey) function delete ($deletekey)
{ {
if ($this->db === null) if ($this->db === null)
@@ -221,6 +234,7 @@ class dblayer extends PDO
var_export ($deletekey, TRUE)."\n"; var_export ($deletekey, TRUE)."\n";
$st->bindValue (":primary", $deletekey); $st->bindValue (":primary", $deletekey);
$st->execute (); $st->execute ();
return $st->rowCount();
} }
} }