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Update DB\Mysql

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Fix unset.
Remove exception catching.
This commit is contained in:
Visman 2021-12-10 15:59:13 +07:00
parent 5960dc2c06
commit 04bdb5c23b
1 changed files with 35 additions and 47 deletions
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82
app/Core/DB/Mysql.php
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@ -97,9 +97,10 @@ class Mysql
$value = "`{$value}`";
}
unset($value);
}
unset($value);
return \implode(',', $arr);
}
@ -132,22 +133,17 @@ class Mysql
*/
public function tableExists(string $table, bool $noPrefix = false): bool
{
$table = ($noPrefix ? '' : $this->dbPrefix) . $table;
$vars = [
':tname' => ($noPrefix ? '' : $this->dbPrefix) . $table,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:tname';
try {
$vars = [
':table' => $table,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:table';
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt->closeCursor();
} catch (PDOException $e) {
return false;
}
$stmt->closeCursor();
return ! empty($result);
}
@ -157,23 +153,18 @@ class Mysql
*/
public function fieldExists(string $table, string $field, bool $noPrefix = false): bool
{
$table = ($noPrefix ? '' : $this->dbPrefix) . $table;
$vars = [
':tname' => ($noPrefix ? '' : $this->dbPrefix) . $table,
':fname' => $field,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:tname AND COLUMN_NAME = ?s:fname';
try {
$vars = [
':table' => $table,
':field' => $field,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:table AND COLUMN_NAME = ?s:field';
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt->closeCursor();
} catch (PDOException $e) {
return false;
}
$stmt->closeCursor();
return ! empty($result);
}
@ -186,21 +177,18 @@ class Mysql
$table = ($noPrefix ? '' : $this->dbPrefix) . $table;
$index = 'PRIMARY' == $index ? $index : $table . '_' . $index;
try {
$vars = [
':table' => $table,
':index' => $index,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:table AND INDEX_NAME = ?s:index';
$vars = [
':tname' => $table,
':index' => $index,
];
$query = 'SELECT 1
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:tname AND INDEX_NAME = ?s:index';
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt->closeCursor();
} catch (PDOException $e) {
return false;
}
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();
$stmt->closeCursor();
return ! empty($result);
}
@ -415,12 +403,12 @@ class Mysql
try {
$vars = [
':table' => $table,
':field' => $old,
':tname' => $table,
':fname' => $old,
];
$query = 'SELECT COLUMN_DEFAULT, IS_NULLABLE, COLUMN_TYPE
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:table AND COLUMN_NAME = ?s:field';
WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?s:tname AND COLUMN_NAME = ?s:fname';
$stmt = $this->db->query($query, $vars);
$result = $stmt->fetch();