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dblayeroo : get the foreignUsed fields and tables

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dblayeroo : get the primary key for PostgreSQL


git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@5038 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
This commit is contained in:
Dominique Fournier
2019-02-15 08:03:10 +00:00
parent b14879d59c
commit 673b8ec609
2 changed files with 146 additions and 29 deletions
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135
dblayeroo.php
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@@ -308,7 +308,7 @@ class dblayeroo
natsort ($res);
return array_values ($res);
}
/* }}} */
/* }}} */
/** Create the table defined by the differents fields.
* Define the SQL syntax based on SQL engines
@@ -716,13 +716,15 @@ class dblayeroo
}
$unique[$content2[0]["cid"]-1] = $index;
}
elseif (count ($content2) === 1)
elseif (count ($content2) === 1 && $content2[0]["cid"] >= 1)
{
$index = $content2[0]["name"];
$unique[$content2[0]["cid"]-1] = $index;
}
}
ksort ($unique);
$unique[] = $primary;
$unique = array_unique ($unique);
try
{
@@ -754,10 +756,29 @@ class dblayeroo
$tmp[] = $cascade;
$foreign[$for["from"]] = $tmp;
}
return array ("fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign);
$foreignUsed = array ();
foreach ($this->listTables () as $tbl)
{
$st = self::$instance[$this->dsn]->prepare (
"PRAGMA foreign_key_list($tbl)");
$st->execute ();
$content = $st->fetchAll (\PDO::FETCH_ASSOC);
foreach ($content as $row)
{
if ($row["table"] !== $tableName)
continue;
$foreignUsed[$row["to"]][] = array (
$tbl, $row["from"]
);
}
}
return array ("table" => $tableName,
"fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign,
"foreignUsed" => $foreignUsed);
break;
case "mysql":
$st = self::$instance[$this->dsn]->prepare (
@@ -806,6 +827,8 @@ class dblayeroo
}
}
$unique = array_values ($unique);
$unique[] = $primary;
$unique = array_unique ($unique);
$st = self::$instance[$this->dsn]->prepare ("
SELECT UPDATE_RULE,DELETE_RULE,COLUMN_NAME,
kColUsage.REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME
@@ -835,22 +858,55 @@ class dblayeroo
unset ($tmp[2]);
$foreign[$f["COLUMN_NAME"]] = $tmp;
}
return array ("fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign);
$st = self::$instance[$this->dsn]->prepare ("
SELECT TABLE_NAME,COLUMN_NAME,
REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME
FROM information_schema.KEY_COLUMN_USAGE
WHERE REFERENCED_TABLE_NAME=:table AND
TABLE_SCHEMA=:dbname");
$st->execute (array(':dbname' => $this->databasename (),
':table' => $tableName));
$foreignUsedTmp = $st->fetchAll (\PDO::FETCH_ASSOC);
$foreignUsed = array ();
foreach ($foreignUsedTmp as $f)
{
$foreignUsed[$f["REFERENCED_COLUMN_NAME"]][] = array (
$f["TABLE_NAME"],
$f["COLUMN_NAME"]);
}
return array ("table" => $tableName,
"fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign,
"foreignUsed" => $foreignUsed);
break;
case "pgsql":
$st = self::$instance[$this->dsn]->prepare (
"SELECT *
FROM information_schema.columns
WHERE table_schema='public' and table_name='$tableName'");
$st->execute ();
$content = $st->fetchAll (\PDO::FETCH_ASSOC);
$fields = array ();
$unique = array ();
$foreign = array ();
$primary = "";
// Get the defined primary key if not autoincrement
$st = self::$instance[$this->dsn]->prepare ("
SELECT a.attname, format_type(a.atttypid, a.atttypmod) AS data_type
FROM pg_index i
JOIN pg_attribute a ON a.attrelid = i.indrelid
AND a.attnum = ANY(i.indkey)
WHERE i.indrelid = :table::regclass
AND i.indisprimary;
");
$st->execute (array(':table' => $tableName));
$content = $st->fetchAll (\PDO::FETCH_ASSOC);
if (key_exists (0, $content))
$primary = $content[0]["attname"];
// Get the primary key if autoincrement
$st = self::$instance[$this->dsn]->prepare (
"SELECT *
FROM information_schema.columns
WHERE table_schema='public' and table_name='$tableName'");
$st->execute ();
$content = $st->fetchAll (\PDO::FETCH_ASSOC);
foreach ($content as $col)
{
$tmp = array ();
@@ -869,9 +925,9 @@ class dblayeroo
}
$st = self::$instance[$this->dsn]->prepare (
"select *
from information_schema.constraint_column_usage
where table_name='$tableName'");
"SELECT *
FROM information_schema.constraint_column_usage
WHERE table_name='$tableName'");
$st->execute ();
$content = $st->fetchAll (\PDO::FETCH_ASSOC);
foreach ($content as $col)
@@ -889,6 +945,8 @@ class dblayeroo
}
}
$unique = array_values ($unique);
$unique[] = $primary;
$unique = array_unique ($unique);
$st = self::$instance[$this->dsn]->prepare ("
SELECT kColUsage1.column_name COLUMN_NAME,
kColUsage2.table_name REFERENCED_TABLE_NAME,
@@ -924,10 +982,41 @@ class dblayeroo
$foreign[$f["column_name"]] = $tmp;
}
return array ("fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign);
$st = self::$instance[$this->dsn]->prepare ("
SELECT kColUsage1.table_name TABLE_NAME,
kColUsage1.column_name COLUMN_NAME,
kColUsage2.table_name REFERENCED_TABLE_NAME,
kColUsage2.column_name REFERENCED_COLUMN_NAME,
update_rule,delete_rule
FROM information_schema.KEY_COLUMN_USAGE AS kColUsage1,
information_schema.KEY_COLUMN_USAGE AS kColUsage2,
information_schema.REFERENTIAL_CONSTRAINTS AS rCons
WHERE
kColUsage1.table_catalog=:dbname
AND kColUsage2.table_name=:table
AND rCons.constraint_name=kColUsage1.constraint_name
AND rCons.unique_constraint_name=kColUsage2.constraint_name
ORDER BY kColUsage1.table_name
");
$st->execute (
array(':dbname' => $this->databasename (),
':table' => $tableName));
$foreignUsedTmp = $st->fetchAll (\PDO::FETCH_ASSOC);
$foreignUsed = array ();
foreach ($foreignUsedTmp as $f)
{
$foreignUsed[$f["referenced_column_name"]][] = array (
$f["table_name"],
$f["column_name"]);
}
return array ("table" => $tableName,
"fields" => $fields,
"primary" => $primary,
"unique" => $unique,
"foreign" => $foreign,
"foreignUsed" => $foreignUsed);
break;
default:
$this->DBException (dgettext("domframework",