/**
* @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 $condition array of fields for condition
*
* @return int
*
return self::getClass(Database::class)->count($table, $condition);
}
+ /**
+ * 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) . '`';
+ }
+
/**
* @brief Returns the SQL condition string built from the provided condition array
*
$new_values = array_merge($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);
/**
* @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/array $table Table name
- *
- * @return string formatted and sanitzed table name
- * @throws \Exception
- */
- public function formatTableName($table)
- {
- if (is_string($table)) {
- return "`" . $this->sanitizeIdentifier($table) . "`";
- }
-
- if (!is_array($table)) {
- return '';
- }
-
- $scheme = key($table);
-
- return "`" . $this->sanitizeIdentifier($scheme) . "`.`" . $this->sanitizeIdentifier($table[$scheme]) . "`";
- }
-
- /**
- * @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 $on_duplicate_update Do an update on a duplicate entry
*
* @return boolean was the insert successful?
* @throws \Exception
*/
public function insert($table, $param, $on_duplicate_update = false)
{
-
if (empty($table) || empty($param)) {
$this->logger->info('Table and fields have to be set');
return false;
}
- $sql = "INSERT INTO " . $this->formatTableName($table) . " (`" . implode("`, `", array_keys($param)) . "`) VALUES (" .
- substr(str_repeat("?, ", count($param)), 0, -2) . ")";
+ $table_string = DBA::buildTableString($table);
+
+ $fields_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], array_keys($param)));
+
+ $values_string = substr(str_repeat("?, ", count($param)), 0, -2);
+
+ $sql = "INSERT INTO " . $table_string . " (" . $fields_string . ") VALUES (" . $values_string . ")";
if ($on_duplicate_update) {
- $sql .= " ON DUPLICATE KEY UPDATE `" . implode("` = ?, `", array_keys($param)) . "` = ?";
+ $fields_string = implode(' = ?, ', array_map([DBA::class, 'quoteIdentifier'], array_keys($param)));
+
+ $sql .= " ON DUPLICATE KEY UPDATE " . $fields_string . " = ?";
$values = array_values($param);
$param = array_merge_recursive($values, $values);
*
* 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
$this->connection->autocommit(false);
}
- $success = $this->e("LOCK TABLES " . $this->formatTableName($table) . " WRITE");
+ $success = $this->e("LOCK TABLES " . DBA::buildTableString($table) . " WRITE");
if ($this->driver == 'pdo') {
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
/**
* @brief Delete a row from a table
*
+ * Note: this methods does NOT accept schema => table arrays because of the complex relation stuff.
+ *
* @param string $table Table name
* @param array $conditions Field condition(s)
* @param array $options
// We quit when this key already exists in the callstack.
if (isset($callstack[$key])) {
- return $commands;
+ return true;
}
$callstack[$key] = true;
- $table = $this->sanitizeIdentifier($table);
-
$commands[$key] = ['table' => $table, 'conditions' => $conditions];
// Don't use "defaults" here, since it would set "false" to "true"
$condition_string = DBA::buildCondition($conditions);
if ((count($command['conditions']) > 1) || is_int($first_key)) {
- $sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
+ $sql = "DELETE FROM " . DBA::quoteIdentifier($command['table']) . " " . $condition_string;
$this->logger->debug($this->replaceParameters($sql, $conditions));
if (!$this->e($sql, $conditions)) {
foreach ($compacted AS $table => $values) {
foreach ($values AS $field => $field_value_list) {
foreach ($field_value_list AS $field_values) {
- $sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
+ $sql = "DELETE FROM " . DBA::quoteIdentifier($table) . " WHERE " . DBA::quoteIdentifier($field) . " IN (" .
substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
$this->logger->debug($this->replaceParameters($sql, $field_values));
* 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 $old_fields array with the old field values that are about to be replaced (true = update on duplicate)
*/
public function update($table, $fields, $condition, $old_fields = [])
{
-
if (empty($table) || empty($fields) || empty($condition)) {
$this->logger->info('Table, fields and condition have to be set');
return false;
}
+ $table_string = DBA::buildTableString($table);
+
$condition_string = DBA::buildCondition($condition);
if (is_bool($old_fields)) {
return true;
}
- $sql = "UPDATE " . $this->formatTableName($table) . " SET `" .
- implode("` = ?, `", array_keys($fields)) . "` = ?" . $condition_string;
+ $sql = "UPDATE " . $table_string . " SET "
+ . implode(" = ?, ", array_map([DBA::class, 'quoteIdentifier'], array_keys($fields))) . " = ?"
+ . $condition_string;
$params1 = array_values($fields);
$params2 = array_values($condition);
/**
* @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 $params Array of several parameters
*
* @return boolean|object
*
}
if (count($fields) > 0) {
- $select_fields = "`" . implode("`, `", array_values($fields)) . "`";
+ $select_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], $fields));
} else {
- $select_fields = "*";
+ $select_string = '*';
}
+ $table_string = DBA::buildTableString($table);
+
$condition_string = DBA::buildCondition($condition);
$param_string = DBA::buildParameter($params);
- $sql = "SELECT " . $select_fields . " FROM " . $this->formatTableName($table) . $condition_string . $param_string;
+ $sql = "SELECT " . $select_string . " FROM " . $table_string . $condition_string . $param_string;
$result = $this->p($sql, $condition);
/**
* @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
*
* @return int
*
return false;
}
+ $table_string = DBA::buildTableString($table);
+
$condition_string = DBA::buildCondition($condition);
- $sql = "SELECT COUNT(*) AS `count` FROM " . $this->formatTableName($table) . $condition_string;
+ $sql = "SELECT COUNT(*) AS `count` FROM " . $table_string . $condition_string;
$row = $this->fetchFirst($sql, $condition);
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