/**
* @brief Check if data exists
*
- * @param string $table Table name
- * @param array $condition array of fields for condition
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $condition array of fields for condition
*
* @return boolean Are there rows for that condition?
* @throws \Exception
/**
* @brief Insert a row into a table
*
- * @param string $table Table name
- * @param array $param parameter array
- * @param bool $on_duplicate_update Do an update on a duplicate entry
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $param parameter array
+ * @param bool $on_duplicate_update Do an update on a duplicate entry
*
* @return boolean was the insert successful?
* @throws \Exception
*
* This function can be extended in the future to accept a table array as well.
*
- * @param string $table Table name
+ * @param string|array $table Table name or array [schema => table]
*
* @return boolean was the lock successful?
* @throws \Exception
* Only set $old_fields to a boolean value when you are sure that you will update a single row.
* When you set $old_fields to "true" then $fields must contain all relevant fields!
*
- * @param string $table Table name
+ * @param string|array $table Table name or array [schema => table]
* @param array $fields contains the fields that are updated
* @param array $condition condition array with the key values
* @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate)
* Retrieve a single record from a table and returns it in an associative array
*
* @brief Retrieve a single record from a table
- * @param string $table
- * @param array $fields
- * @param array $condition
- * @param array $params
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $fields
+ * @param array $condition
+ * @param array $params
* @return bool|array
* @throws \Exception
* @see self::select
/**
* @brief Select rows from a table and fills an array with the data
*
- * @param string $table Table name
- * @param array $fields Array of selected fields, empty for all
- * @param array $condition Array of fields for condition
- * @param array $params Array of several parameters
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $fields Array of selected fields, empty for all
+ * @param array $condition Array of fields for condition
+ * @param array $params Array of several parameters
*
* @return array Data array
* @throws \Exception
/**
* @brief Select rows from a table
*
- * @param string $table Table name
- * @param array $fields Array of selected fields, empty for all
- * @param array $condition Array of fields for condition
- * @param array $params Array of several parameters
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $fields Array of selected fields, empty for all
+ * @param array $condition Array of fields for condition
+ * @param array $params Array of several parameters
*
* @return boolean|object
*
/**
* @brief Counts the rows from a table satisfying the provided condition
*
- * @param string $table Table name
- * @param array $condition array of fields for condition
+ * @param string|array $table Table name or array [schema => table]
+ * @param array $condition array of fields for condition
+ * @param array $params Array of several parameters
*
* @return int
*
* $count = DBA::count($table, $condition);
* @throws \Exception
*/
- public static function count($table, array $condition = [])
+ public static function count($table, array $condition = [], array $params = [])
{
- return self::getClass(Database::class)->count($table, $condition);
+ return self::getClass(Database::class)->count($table, $condition, $params);
+ }
+
+ /**
+ * Build the table query substring from one or more tables, with or without a schema.
+ *
+ * Expected formats:
+ * - table
+ * - [table1, table2, ...]
+ * - [schema1 => table1, schema2 => table2, table3, ...]
+ *
+ * @param string|array $tables
+ * @return string
+ */
+ public static function buildTableString($tables)
+ {
+ if (is_string($tables)) {
+ $tables = [$tables];
+ }
+
+ $quotedTables = [];
+
+ foreach ($tables as $schema => $table) {
+ if (is_numeric($schema)) {
+ $quotedTables[] = self::quoteIdentifier($table);
+ } else {
+ $quotedTables[] = self::quoteIdentifier($schema) . '.' . self::quoteIdentifier($table);
+ }
+ }
+
+ return implode(', ', $quotedTables);
+ }
+
+ /**
+ * Escape an identifier (table or field name)
+ *
+ * @param $identifier
+ * @return string
+ */
+ public static function quoteIdentifier($identifier)
+ {
+ return '`' . str_replace('`', '``', $identifier) . '`';
}
/**
$new_values = array_merge($new_values, array_values($value));
$placeholders = substr(str_repeat("?, ", count($value)), 0, -2);
- $condition_string .= "`" . $field . "` IN (" . $placeholders . ")";
+ $condition_string .= self::quoteIdentifier($field) . " IN (" . $placeholders . ")";
} elseif (is_null($value)) {
- $condition_string .= "`" . $field . "` IS NULL";
+ $condition_string .= self::quoteIdentifier($field) . " IS NULL";
} else {
$new_values[$field] = $value;
- $condition_string .= "`" . $field . "` = ?";
+ $condition_string .= self::quoteIdentifier($field) . " = ?";
}
}
$condition_string = " WHERE (" . $condition_string . ")";
public static function buildParameter(array $params = [])
{
$groupby_string = '';
- if (isset($params['group_by'])) {
- $groupby_string = " GROUP BY ";
- foreach ($params['group_by'] as $fields) {
- $groupby_string .= "`" . $fields . "`, ";
- }
- $groupby_string = substr($groupby_string, 0, -2);
+ if (!empty($params['group_by'])) {
+ $groupby_string = " GROUP BY " . implode(', ', array_map(['self', 'quoteIdentifier'], $params['group_by']));
}
$order_string = '';
if ($order === 'RAND()') {
$order_string .= "RAND(), ";
} elseif (!is_int($fields)) {
- $order_string .= "`" . $fields . "` " . ($order ? "DESC" : "ASC") . ", ";
+ $order_string .= self::quoteIdentifier($fields) . " " . ($order ? "DESC" : "ASC") . ", ";
} else {
- $order_string .= "`" . $order . "`, ";
+ $order_string .= self::quoteIdentifier($order) . ", ";
}
}
$order_string = substr($order_string, 0, -2);
projects / friendica.git / blobdiff