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Correct bug in uniq constrain violation test in update for dblayer

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git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1240 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
This commit is contained in:
Dominique Fournier
2014-03-23 19:58:55 +00:00
parent bd575e67ed
commit 7e69a0e978
1 changed files with 24 additions and 11 deletions
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35
dblayer.php
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@@ -101,8 +101,8 @@ class dblayer extends PDO
$rc = $this->read ($select, array ($this->primary));
if (count ($rc) > 0)
throw new Exception (sprintf (
_("The provided value for columns '%s' already exists"),
implode (",", $columns)), 405);
_("The provided values for columns '%s' already exists"),
implode (",", $columns)), 405);
}
else
{
@@ -111,7 +111,7 @@ class dblayer extends PDO
array ($this->primary));
if (count ($rc) > 0)
throw new Exception (sprintf (
_("The provided value for column '%s' already exists"),
_("The column '%s' with this value already exists"),
$columns), 405);
}
}
@@ -241,6 +241,16 @@ class dblayer extends PDO
throw new Exception (_("Don't receive any field to display"), 501);
// Check if the unique constrain is valid before doing the insertion
// 1. Read the actual state
$before = $this->read (array (array ($this->primary, $updatekey)));
if (count ($before) === 0)
throw new Exception (_("Entry to modify unavailable"), 404);
$before = reset ($before);
// 2. Map the proposal entries into the before state
$after = $before;
foreach ($datasOK as $field=>$val)
$after[$field] = $val;
// 3. Check for constrain violation on unique columns
foreach ($this->unique as $columns)
{
if (is_array ($columns))
@@ -249,8 +259,8 @@ class dblayer extends PDO
$select[] = array ($this->primary, $updatekey, "!=");
foreach ($columns as $col)
{
if (!array_key_exists ($col, $datasOK)) continue;
$select[] = array ($col, $datasOK[$col]);
if (!array_key_exists ($col, $after)) continue;
$select[] = array ($col, $after[$col]);
}
// If there is only the primary key, there is no chance to have a
@@ -260,20 +270,23 @@ class dblayer extends PDO
$rc = $this->read ($select, array ($this->primary));
if (count ($rc) > 0)
throw new Exception (sprintf (
_("The provided value for columns '%s' already exists"),
implode (",", $columns)), 405);
_("The provided values for columns '%s' already exists"),
implode (",", $columns)), 405);
}
}
else
{
if (!array_key_exists ($columns, $datasOK)) continue;
$rc = $this->read (array (array ($columns, $datasOK[$columns]),
array ($this->primary, $updatekey, "!=")),
$select = array ();
if ($columns !== $this->primary)
$select[] = array ($this->primary, $updatekey, "!=");
$select[] = array ($columns, $datasOK[$columns]);
$rc = $this->read ($select,
array ($this->primary));
if (count ($rc) > 0)
throw new Exception (sprintf (
_("The provided value for column '%s' already exists"),
$columns), 405);
_("An entry already exists with this value in the column '%s'"),
$columns), 405);
}
}