Prepare for SQLite

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1192 7c3ca157-0c34-0410-bff1-cbf682f78f5c

adminer/create.inc.php

@@ -98,14 +98,6 @@ if ($_POST && !$error && !$_POST["add"] && !$_POST["drop_col"] && !$_POST["up"]
 
 page_header((strlen($TABLE) ? lang('Alter table') : lang('Create table')), $error, array("table" => $TABLE), $TABLE);
 
-$engines = array();
-$result = $connection->query("SHOW ENGINES");
-while ($row = $result->fetch_assoc()) {
-	if (ereg("YES|DEFAULT", $row["Support"])) {
-		$engines[] = $row["Engine"];
-	}
-}
-
 $row = array(
 	"Engine" => $_COOKIE["adminer_engine"],
 	"fields" => array(array("field" => "")),
@@ -148,6 +140,8 @@ $suhosin = floor(extension_loaded("suhosin") ? (min(ini_get("suhosin.request.max
 if ($suhosin && count($row["fields"]) > $suhosin) {
 	echo "<p class='error'>" . h(lang('Maximum number of allowed fields exceeded. Please increase %s and %s.', 'suhosin.post.max_vars', 'suhosin.request.max_vars')) . "\n";
 }
+
+$engines = engines();
 // case of engine may differ
 foreach ($engines as $engine) {
 	if (!strcasecmp($engine, $row["Engine"])) {
@@ -160,7 +154,7 @@ foreach ($engines as $engine) {
 <form action="" method="post" id="form">
 <p>
 <?php echo lang('Table name'); ?>: <input name="name" maxlength="64" value="<?php echo h($row["name"]); ?>">
-<?php echo html_select("Engine", array("" => "(" . lang('engine') . ")") + $engines, $row["Engine"]); ?>
+<?php echo ($engines ? html_select("Engine", array("" => "(" . lang('engine') . ")") + $engines, $row["Engine"]) : ""); ?>
 <?php echo html_select("Collation", array("" => "(" . lang('collation') . ")") + $collations, $row["Collation"]); ?>
 <input type="submit" value="<?php echo lang('Save'); ?>">
 </p>

adminer/edit.inc.php

@@ -22,8 +22,10 @@ if ($_POST && !$error && !isset($_GET["select"])) {
 	$set = array();
 	foreach ($fields as $name => $field) {
 		$val = process_input($field);
-		if ($val !== false || !$update) {
+		if (!$update) {
-			$set[] = "\n" . idf_escape($name) . " = " . ($val !== false ? $val : "''");
+			$set[idf_escape($name)] = ($val !== false ? $val : "''");
+		} elseif ($val !== false) {
+			$set[] = "\n" . idf_escape($name) . " = $val";
 		}
 	}
 	if (!$set) {
@@ -32,7 +34,7 @@ if ($_POST && !$error && !isset($_GET["select"])) {
 	if ($update) {
 		query_redirect("UPDATE " . idf_escape($TABLE) . " SET" . implode(",", $set) . "\nWHERE $where\nLIMIT 1", $location, lang('Item has been updated.'));
 	} else {
-		query_redirect("INSERT INTO " . idf_escape($TABLE) . " SET" . implode(",", $set), $location, lang('Item has been inserted.'));
+		query_redirect("INSERT INTO " . idf_escape($TABLE) . " (" . implode(", ", array_keys($set)) . ")\nVALUES (" . implode(", ", $set) . ")", $location, lang('Item has been inserted.'));
 	}
 }
 

adminer/foreign.inc.php

@@ -37,8 +37,8 @@ if ($_POST) {
 	$row["source"][] = "";
 }
 
-$source = get_vals("SHOW COLUMNS FROM " . idf_escape($TABLE)); //! no text and blob
+$source = array_keys(fields($TABLE)); //! no text and blob
-$target = ($TABLE === $row["table"] ? $source : get_vals("SHOW COLUMNS FROM " . idf_escape($row["table"])));
+$target = ($TABLE === $row["table"] ? $source : array_keys(fields($row["table"])));
 ?>
 
 <form action="" method="post">

adminer/include/adminer.inc.php

@@ -491,7 +491,7 @@ class Adminer {
 </form>
 <?php
 			if ($missing != "db" && strlen(DB) && $connection->select_db(DB)) {
-				$tables = get_vals("SHOW TABLES");
+				$tables = tables_list();
 				if (!$tables) {
 					echo "<p class='message'>" . lang('No tables.') . "\n";
 				} else {

adminer/include/functions.inc.php

@@ -24,6 +24,15 @@ function idf_unescape($idf) {
 	return str_replace("``", "`", $idf);
 }
 
+/** Escape string to use inside ''
+* @param string
+* @return string
+*/
+function escape_string($val) {
+	global $connection;
+	return substr($connection->quote($val), 1, -1);
+}
+
 /** Escape or unescape string to use inside form []
 * @param string
 * @param bool
@@ -155,11 +164,10 @@ function unique_idf($row, $indexes) {
 * @return string
 */
 function where($where) {
-	global $connection;
 	$return = array();
 	foreach ((array) $where["where"] as $key => $val) {
 		$key = bracket_escape($key, "back");
-		$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " = BINARY " . $connection->quote($val); //! enum and set, columns looking like functions
+		$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " = " . exact_value($val); //! enum and set, columns looking like functions
 	}
 	foreach ((array) $where["null"] as $key) {
 		$key = bracket_escape($key, "back");

adminer/include/mysql.inc.php

@@ -177,6 +177,25 @@ function get_databases($flush = true) {
 	return $return;
 }
 
+function engines() {
+	global $connection;
+	$return = array();
+	$result = $connection->query("SHOW ENGINES");
+	while ($row = $result->fetch_assoc()) {
+		if (ereg("YES|DEFAULT", $row["Support"])) {
+			$return[] = $row["Engine"];
+		}
+	}
+	return $return;
+}
+
+/** Get tables list
+* @return array
+*/
+function tables_list() {
+	return get_vals("SHOW TABLES");
+}
+
 /** Get table status
 * @param string
 * @return array
@@ -315,15 +334,6 @@ function collations() {
 	return $return;
 }
 
-/** Escape string to use inside ''
-* @param string
-* @return string
-*/
-function escape_string($val) {
-	global $connection;
-	return substr($connection->quote($val), 1, -1);
-}
-
 /** Find out if database is information_schema
 * @param string
 * @return bool
@@ -333,6 +343,15 @@ function information_schema($db) {
 	return ($connection->server_info >= 5 && $db == "information_schema");
 }
 
+/** Return expression for binary comparison
+* @param string
+* @return string
+*/
+function exact_value($val) {
+	global $connection;
+	return "BINARY " . $connection->quote($val);
+}
+
 // value means maximum unsigned length
 $types = array();
 $structured_types = array();

adminer/table.inc.php

@@ -1,22 +1,22 @@
 <?php
 $TABLE = $_GET["table"];
-$result = $connection->query("SHOW FULL COLUMNS FROM " . idf_escape($TABLE));
+$fields = fields($TABLE);
-if (!$result) {
+if (!$fields) {
 	$error = h($connection->error);
 }
-$table_status = ($result ? table_status($TABLE) : array());
+$table_status = ($fields ? table_status($TABLE) : array());
 $is_view = !isset($table_status["Rows"]);
 
-page_header(($result && $is_view ? lang('View') : lang('Table')) . ": " . h($TABLE), $error);
+page_header(($fields && $is_view ? lang('View') : lang('Table')) . ": " . h($TABLE), $error);
 $adminer->selectLinks($table_status, $is_view ? null : "");
 
-if ($result) {
+if ($fields) {
 	echo "<table cellspacing='0'>\n";
 	echo "<thead><tr><th>" . lang('Column') . "<td>" . lang('Type') . "<td>" . lang('Comment') . "</thead>\n";
-	while ($row = $result->fetch_assoc()) {
+	foreach ($fields as $field) {
-		echo "<tr><th>" . h($row["Field"]);
+		echo "<tr><th>" . h($field["field"]);
-		echo "<td>" . h($row["Type"]) . ($row["Null"] == "YES" ? " <i>NULL</i>" : "") . ($row["Extra"] == "auto_increment" ? " <i>" . lang('Auto Increment') . "</i>" : "");
+		echo "<td>" . h($field["full_type"]) . ($field["null"] ? " <i>NULL</i>" : "") . ($field["auto_increment"] ? " <i>" . lang('Auto Increment') . "</i>" : "");
-		echo "<td>" . nbsp($row["Comment"]);
+		echo "<td>" . nbsp($field["comment"]);
 		echo "\n";
 	}
 	echo "</table>\n";

editor/include/adminer.inc.php

@@ -116,7 +116,7 @@ ORDER BY ORDINAL_POSITION");
 						// find all used ids
 						$ids = array();
 						foreach ($rows as $row) {
-							$ids[$row[$key]] = "BINARY " . $connection->quote($row[$key]);
+							$ids[$row[$key]] = exact_value($row[$key]);
 						}
 						// uses constant number of queries to get the descriptions, join would be complex, multiple queries would be slow
 						$descriptions = array();