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-rw-r--r--engine/database/CommonDatabase.php107
1 files changed, 0 insertions, 107 deletions
diff --git a/engine/database/CommonDatabase.php b/engine/database/CommonDatabase.php
deleted file mode 100644
index 13ea79c..0000000
--- a/engine/database/CommonDatabase.php
+++ /dev/null
@@ -1,107 +0,0 @@
-<?php
-
-abstract class CommonDatabase {
-
- abstract public function query(string $sql, ...$args);
- abstract public function escape(string $s): string;
- abstract public function fetch($q): ?array;
- abstract public function fetchAll($q): ?array;
- abstract public function fetchRow($q): ?array;
- abstract public function result($q, int $field = 0);
- abstract public function insertId(): ?int;
- abstract public function numRows($q): ?int;
-
- protected function prepareQuery(string $sql, ...$args): string {
- global $config;
- if (!empty($args)) {
- $mark_count = substr_count($sql, '?');
- $positions = array();
- $last_pos = -1;
- for ($i = 0; $i < $mark_count; $i++) {
- $last_pos = strpos($sql, '?', $last_pos + 1);
- $positions[] = $last_pos;
- }
- for ($i = $mark_count - 1; $i >= 0; $i--) {
- $arg_val = $args[$i];
- if (is_null($arg_val)) {
- $v = 'NULL';
- } else {
- $v = '\''.$this->escape($arg_val) . '\'';
- }
- $sql = substr_replace($sql, $v, $positions[$i], 1);
- }
- }
- if (!empty($config['db']['log']))
- logDebug(__METHOD__.': ', $sql);
- return $sql;
- }
-
- public function insert(string $table, array $fields) {
- return $this->performInsert('INSERT', $table, $fields);
- }
-
- public function replace(string $table, array $fields) {
- return $this->performInsert('REPLACE', $table, $fields);
- }
-
- protected function performInsert(string $command, string $table, array $fields) {
- $names = [];
- $values = [];
- $count = 0;
- foreach ($fields as $k => $v) {
- $names[] = $k;
- $values[] = $v;
- $count++;
- }
-
- $sql = "{$command} INTO `{$table}` (`" . implode('`, `', $names) . "`) VALUES (" . implode(', ', array_fill(0, $count, '?')) . ")";
- array_unshift($values, $sql);
-
- return $this->query(...$values);
- }
-
- public function update(string $table, array $rows, ...$cond) {
- $fields = [];
- $args = [];
- foreach ($rows as $row_name => $row_value) {
- $fields[] = "`{$row_name}`=?";
- $args[] = $row_value;
- }
- $sql = "UPDATE `$table` SET ".implode(', ', $fields);
- if (!empty($cond)) {
- $sql .= " WHERE ".$cond[0];
- if (count($cond) > 1)
- $args = array_merge($args, array_slice($cond, 1));
- }
- return $this->query($sql, ...$args);
- }
-
- public function multipleInsert(string $table, array $rows) {
- list($names, $values) = $this->getMultipleInsertValues($rows);
- $sql = "INSERT INTO `{$table}` (`".implode('`, `', $names)."`) VALUES ".$values;
- return $this->query($sql);
- }
-
- public function multipleReplace(string $table, array $rows) {
- list($names, $values) = $this->getMultipleInsertValues($rows);
- $sql = "REPLACE INTO `{$table}` (`".implode('`, `', $names)."`) VALUES ".$values;
- return $this->query($sql);
- }
-
- protected function getMultipleInsertValues(array $rows): array {
- $names = [];
- $sql_rows = [];
- foreach ($rows as $i => $fields) {
- $row_values = [];
- foreach ($fields as $field_name => $field_val) {
- if ($i == 0) {
- $names[] = $field_name;
- }
- $row_values[] = $this->escape($field_val);
- }
- $sql_rows[] = "('".implode("', '", $row_values)."')";
- }
- return [$names, implode(', ', $sql_rows)];
- }
-
-} \ No newline at end of file