use quoted identifiers, tell MySQL to expect ANSI SQL
This commit is contained in:
El RIDO
parent
b133c2e233
commit
0be55e05bf
@ -97,6 +97,11 @@ class Database extends AbstractData
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self::$_type = strtolower(
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substr($options['dsn'], 0, strpos($options['dsn'], ':'))
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);
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// MySQL uses backticks to quote identifiers by default,
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// tell it to expect ANSI SQL double quotes
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if (self::$_type === 'mysql' && defined('PDO::MYSQL_ATTR_INIT_COMMAND')) {
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$options['opt'][PDO::MYSQL_ATTR_INIT_COMMAND] = "SET sql_mode='ANSI_QUOTES'";
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}
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$tableQuery = self::_getTableQuery(self::$_type);
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self::$_db = new PDO(
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$options['dsn'],
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@ -200,8 +205,8 @@ class Database extends AbstractData
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}
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try {
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return self::_exec(
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'INSERT INTO ' . self::_sanitizeIdentifier('paste') .
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' VALUES(?,?,?,?,?,?,?,?,?)',
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'INSERT INTO "' . self::_sanitizeIdentifier('paste') .
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'" VALUES(?,?,?,?,?,?,?,?,?)',
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array(
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$pasteid,
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$isVersion1 ? $paste['data'] : Json::encode($paste),
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@ -235,8 +240,8 @@ class Database extends AbstractData
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self::$_cache[$pasteid] = false;
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try {
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$paste = self::_select(
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'SELECT * FROM ' . self::_sanitizeIdentifier('paste') .
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' WHERE dataid = ?', array($pasteid), true
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'SELECT * FROM "' . self::_sanitizeIdentifier('paste') .
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'" WHERE "dataid" = ?', array($pasteid), true
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);
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} catch (Exception $e) {
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$paste = false;
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@ -297,12 +302,12 @@ class Database extends AbstractData
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public function delete($pasteid)
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{
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self::_exec(
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'DELETE FROM ' . self::_sanitizeIdentifier('paste') .
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' WHERE dataid = ?', array($pasteid)
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'DELETE FROM "' . self::_sanitizeIdentifier('paste') .
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'" WHERE "dataid" = ?', array($pasteid)
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);
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self::_exec(
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'DELETE FROM ' . self::_sanitizeIdentifier('comment') .
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' WHERE pasteid = ?', array($pasteid)
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'DELETE FROM "' . self::_sanitizeIdentifier('comment') .
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'" WHERE "pasteid" = ?', array($pasteid)
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);
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if (
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array_key_exists($pasteid, self::$_cache)
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@ -357,8 +362,8 @@ class Database extends AbstractData
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}
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try {
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return self::_exec(
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'INSERT INTO ' . self::_sanitizeIdentifier('comment') .
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' VALUES(?,?,?,?,?,?,?)',
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'INSERT INTO "' . self::_sanitizeIdentifier('comment') .
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'" VALUES(?,?,?,?,?,?,?)',
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array(
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$commentid,
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$pasteid,
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@ -384,8 +389,8 @@ class Database extends AbstractData
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public function readComments($pasteid)
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{
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$rows = self::_select(
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'SELECT * FROM ' . self::_sanitizeIdentifier('comment') .
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' WHERE pasteid = ?', array($pasteid)
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'SELECT * FROM "' . self::_sanitizeIdentifier('comment') .
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'" WHERE "pasteid" = ?', array($pasteid)
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);
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// create comment list
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@ -429,8 +434,8 @@ class Database extends AbstractData
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{
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try {
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return (bool) self::_select(
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'SELECT dataid FROM ' . self::_sanitizeIdentifier('comment') .
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' WHERE pasteid = ? AND parentid = ? AND dataid = ?',
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'SELECT "dataid" FROM "' . self::_sanitizeIdentifier('comment') .
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'" WHERE "pasteid" = ? AND "parentid" = ? AND "dataid" = ?',
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array($pasteid, $parentid, $commentid), true
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);
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} catch (Exception $e) {
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@ -458,8 +463,8 @@ class Database extends AbstractData
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}
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}
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return self::_exec(
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'UPDATE ' . self::_sanitizeIdentifier('config') .
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' SET value = ? WHERE id = ?',
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'UPDATE "' . self::_sanitizeIdentifier('config') .
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'" SET "value" = ? WHERE "id" = ?',
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array($value, strtoupper($namespace))
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);
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}
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@ -479,8 +484,8 @@ class Database extends AbstractData
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if ($value === '') {
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// initialize the row, so that setValue can rely on UPDATE queries
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self::_exec(
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'INSERT INTO ' . self::_sanitizeIdentifier('config') .
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' VALUES(?,?)',
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'INSERT INTO "' . self::_sanitizeIdentifier('config') .
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'" VALUES(?,?)',
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array($configKey, '')
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);
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@ -517,8 +522,8 @@ class Database extends AbstractData
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{
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$pastes = array();
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$rows = self::_select(
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'SELECT dataid FROM ' . self::_sanitizeIdentifier('paste') .
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' WHERE expiredate < ? AND expiredate != ? ' .
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'SELECT "dataid" FROM "' . self::_sanitizeIdentifier('paste') .
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'" WHERE "expiredate" < ? AND "expiredate" != ? ' .
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(self::$_type === 'oci' ? 'FETCH NEXT ? ROWS ONLY' : 'LIMIT ?'),
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array(time(), 0, $batchsize)
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);
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@ -586,8 +591,12 @@ class Database extends AbstractData
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// returned column names are all upper case, convert these back
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// returned CLOB values are streams, convert these into strings
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$result = $firstOnly ?
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self::_sanitizeOciRow($result) :
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array_map('self::_sanitizeOciRow', $result);
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array_map('self::_sanitizeClob', $result) :
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array_map(
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function ($row) {
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return array_map('self::_sanitizeClob', $row);
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}, $result
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);
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}
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return $result;
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}
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@ -621,39 +630,39 @@ class Database extends AbstractData
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{
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switch ($type) {
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case 'ibm':
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$sql = 'SELECT tabname FROM SYSCAT.TABLES ';
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$sql = 'SELECT "tabname" FROM "SYSCAT"."TABLES"';
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break;
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case 'informix':
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$sql = 'SELECT tabname FROM systables ';
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$sql = 'SELECT "tabname" FROM "systables"';
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break;
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case 'mssql':
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$sql = 'SELECT name FROM sysobjects '
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. "WHERE type = 'U' ORDER BY name";
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$sql = 'SELECT "name" FROM "sysobjects" '
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. 'WHERE "type" = \'U\' ORDER BY "name"';
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break;
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case 'mysql':
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$sql = 'SHOW TABLES';
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break;
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case 'oci':
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$sql = 'SELECT table_name FROM all_tables';
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$sql = 'SELECT "table_name" FROM "all_tables"';
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break;
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case 'pgsql':
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$sql = 'SELECT c.relname AS table_name '
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. 'FROM pg_class c, pg_user u '
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. "WHERE c.relowner = u.usesysid AND c.relkind = 'r' "
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. 'AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname) '
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. "AND c.relname !~ '^(pg_|sql_)' "
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$sql = 'SELECT c."relname" AS "table_name" '
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. 'FROM "pg_class" c, "pg_user" u '
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. "WHERE c.\"relowner\" = u.\"usesysid\" AND c.\"relkind\" = 'r' "
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. 'AND NOT EXISTS (SELECT 1 FROM "pg_views" WHERE "viewname" = c."relname") '
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. "AND c.\"relname\" !~ '^(pg_|sql_)' "
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. 'UNION '
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. 'SELECT c.relname AS table_name '
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. 'FROM pg_class c '
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. "WHERE c.relkind = 'r' "
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. 'AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname) '
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. 'AND NOT EXISTS (SELECT 1 FROM pg_user WHERE usesysid = c.relowner) '
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. "AND c.relname !~ '^pg_'";
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. 'SELECT c."relname" AS "table_name" '
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. 'FROM "pg_class" c '
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. "WHERE c.\"relkind\" = 'r' "
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. 'AND NOT EXISTS (SELECT 1 FROM "pg_views" WHERE "viewname" = c."relname") '
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. 'AND NOT EXISTS (SELECT 1 FROM "pg_user" WHERE "usesysid" = c."relowner") '
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. "AND c.\"relname\" !~ '^pg_'";
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break;
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case 'sqlite':
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$sql = "SELECT name FROM sqlite_master WHERE type='table' "
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. 'UNION ALL SELECT name FROM sqlite_temp_master '
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. "WHERE type='table' ORDER BY name";
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$sql = 'SELECT "name" FROM "sqlite_master" WHERE "type"=\'table\' '
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. 'UNION ALL SELECT "name" FROM "sqlite_temp_master" '
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. 'WHERE "type"=\'table\' ORDER BY "name"';
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break;
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default:
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throw new Exception(
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@ -675,8 +684,8 @@ class Database extends AbstractData
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{
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try {
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$row = self::_select(
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'SELECT value FROM ' . self::_sanitizeIdentifier('config') .
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' WHERE id = ?', array($key), true
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'SELECT "value" FROM "' . self::_sanitizeIdentifier('config') .
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'" WHERE "id" = ?', array($key), true
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);
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} catch (PDOException $e) {
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return '';
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@ -696,7 +705,7 @@ class Database extends AbstractData
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{
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$main_key = $after_key = '';
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if (self::$_type === 'mysql' || self::$_type === 'oci') {
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$after_key = ", PRIMARY KEY ($key)";
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$after_key = ", PRIMARY KEY (\"$key\")";
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} else {
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$main_key = ' PRIMARY KEY';
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}
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@ -758,16 +767,16 @@ class Database extends AbstractData
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$attachmentType = self::_getAttachmentType();
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$metaType = self::_getMetaType();
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self::$_db->exec(
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'CREATE TABLE ' . self::_sanitizeIdentifier('paste') . ' ( ' .
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"dataid CHAR(16) NOT NULL$main_key, " .
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"data $dataType, " .
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'postdate INT, ' .
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'expiredate INT, ' .
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'opendiscussion INT, ' .
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'burnafterreading INT, ' .
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"meta $metaType, " .
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"attachment $attachmentType, " .
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"attachmentname $dataType$after_key )"
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'CREATE TABLE "' . self::_sanitizeIdentifier('paste') . '" ( ' .
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"\"dataid\" CHAR(16) NOT NULL$main_key, " .
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"\"data\" $dataType, " .
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'"postdate" INT, ' .
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'"expiredate" INT, ' .
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'"opendiscussion" INT, ' .
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'"burnafterreading" INT, ' .
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"\"meta\" $metaType, " .
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"\"attachment\" $attachmentType, " .
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"\"attachmentname\" $dataType$after_key )"
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);
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}
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@ -782,14 +791,14 @@ class Database extends AbstractData
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list($main_key, $after_key) = self::_getPrimaryKeyClauses();
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$dataType = self::_getDataType();
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self::$_db->exec(
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'CREATE TABLE ' . self::_sanitizeIdentifier('comment') . ' ( ' .
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"dataid CHAR(16) NOT NULL$main_key, " .
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'pasteid CHAR(16), ' .
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'parentid CHAR(16), ' .
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"data $dataType, " .
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"nickname $dataType, " .
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"vizhash $dataType, " .
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"postdate INT$after_key )"
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'CREATE TABLE "' . self::_sanitizeIdentifier('comment') . '" ( ' .
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"\"dataid\" CHAR(16) NOT NULL$main_key, " .
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'"pasteid" CHAR(16), ' .
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'"parentid" CHAR(16), ' .
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"\"data\" $dataType, " .
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"\"nickname\" $dataType, " .
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"\"vizhash\" $dataType, " .
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"\"postdate\" INT$after_key )"
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);
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if (self::$_type === 'oci') {
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self::$_db->exec(
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@ -799,14 +808,14 @@ class Database extends AbstractData
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pragma exception_init( already_exists, -955 );
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pragma exception_init(columns_indexed, -1408);
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begin
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execute immediate \'create index comment_parent on ' . self::_sanitizeIdentifier('comment') . ' (pasteid)\';
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execute immediate \'create index "comment_parent" on "' . self::_sanitizeIdentifier('comment') . '" ("pasteid")\';
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exception
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end'
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);
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} else {
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self::$_db->exec(
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'CREATE INDEX IF NOT EXISTS comment_parent ON ' .
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self::_sanitizeIdentifier('comment') . '(pasteid)'
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'CREATE INDEX IF NOT EXISTS "comment_parent" ON "' .
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self::_sanitizeIdentifier('comment') . '" ("pasteid")'
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);
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}
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}
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@ -823,12 +832,12 @@ class Database extends AbstractData
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$charType = self::$_type === 'oci' ? 'VARCHAR2(16)' : 'CHAR(16)';
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$textType = self::_getMetaType();
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self::$_db->exec(
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'CREATE TABLE ' . self::_sanitizeIdentifier('config') .
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" ( id $charType NOT NULL$main_key, value $textType$after_key )"
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'CREATE TABLE "' . self::_sanitizeIdentifier('config') .
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"\" ( \"id\" $charType NOT NULL$main_key, \"value\" $textType$after_key )"
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);
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self::_exec(
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'INSERT INTO ' . self::_sanitizeIdentifier('config') .
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' VALUES(?,?)',
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'INSERT INTO "' . self::_sanitizeIdentifier('config') .
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'" VALUES(?,?)',
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array('VERSION', Controller::VERSION)
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);
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}
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@ -864,22 +873,6 @@ class Database extends AbstractData
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return preg_replace('/[^A-Za-z0-9_]+/', '', self::$_prefix . $identifier);
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}
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/**
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* sanitizes row returned by OCI
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*
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* @access private
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* @static
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* @param array $row
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* @return array
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*/
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private static function _sanitizeOciRow($row)
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{
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return array_combine(
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array_map('strtolower', array_keys($row)),
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array_map('self::_sanitizeClob', array_values($row))
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);
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}
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/**
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* upgrade the database schema from an old version
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*
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@ -895,43 +888,43 @@ class Database extends AbstractData
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case '0.21':
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// create the meta column if necessary (pre 0.21 change)
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try {
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self::$_db->exec('SELECT meta FROM ' . self::_sanitizeIdentifier('paste') . ' LIMIT 1');
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self::$_db->exec('SELECT "meta" FROM "' . self::_sanitizeIdentifier('paste') . '" LIMIT 1');
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} catch (PDOException $e) {
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self::$_db->exec('ALTER TABLE ' . self::_sanitizeIdentifier('paste') . ' ADD COLUMN meta TEXT');
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self::$_db->exec('ALTER TABLE "' . self::_sanitizeIdentifier('paste') . '" ADD COLUMN "meta" TEXT');
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}
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// SQLite only allows one ALTER statement at a time...
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self::$_db->exec(
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'ALTER TABLE ' . self::_sanitizeIdentifier('paste') .
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" ADD COLUMN attachment $attachmentType"
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'ALTER TABLE "' . self::_sanitizeIdentifier('paste') .
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"\" ADD COLUMN \"attachment\" $attachmentType"
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);
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self::$_db->exec(
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'ALTER TABLE ' . self::_sanitizeIdentifier('paste') . " ADD COLUMN attachmentname $dataType"
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'ALTER TABLE "' . self::_sanitizeIdentifier('paste') . "\" ADD COLUMN \"attachmentname\" $dataType"
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);
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// SQLite doesn't support MODIFY, but it allows TEXT of similar
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// size as BLOB, so there is no need to change it there
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if (self::$_type !== 'sqlite') {
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self::$_db->exec(
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'ALTER TABLE ' . self::_sanitizeIdentifier('paste') .
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" ADD PRIMARY KEY (dataid), MODIFY COLUMN data $dataType"
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'ALTER TABLE "' . self::_sanitizeIdentifier('paste') .
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"\" ADD PRIMARY KEY (\"dataid\"), MODIFY COLUMN \"data\" $dataType"
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);
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self::$_db->exec(
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'ALTER TABLE ' . self::_sanitizeIdentifier('comment') .
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" ADD PRIMARY KEY (dataid), MODIFY COLUMN data $dataType, " .
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"MODIFY COLUMN nickname $dataType, MODIFY COLUMN vizhash $dataType"
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'ALTER TABLE "' . self::_sanitizeIdentifier('comment') .
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"\" ADD PRIMARY KEY (\"dataid\"), MODIFY COLUMN \"data\" $dataType, " .
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"MODIFY COLUMN \"nickname\" $dataType, MODIFY COLUMN \"vizhash\" $dataType"
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);
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} else {
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self::$_db->exec(
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'CREATE UNIQUE INDEX IF NOT EXISTS paste_dataid ON ' .
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self::_sanitizeIdentifier('paste') . '(dataid)'
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'CREATE UNIQUE INDEX IF NOT EXISTS "paste_dataid" ON "' .
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self::_sanitizeIdentifier('paste') . '" ("dataid")'
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);
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self::$_db->exec(
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'CREATE UNIQUE INDEX IF NOT EXISTS comment_dataid ON ' .
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self::_sanitizeIdentifier('comment') . '(dataid)'
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'CREATE UNIQUE INDEX IF NOT EXISTS "comment_dataid" ON "' .
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self::_sanitizeIdentifier('comment') . '" ("dataid")'
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);
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}
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self::$_db->exec(
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'CREATE INDEX IF NOT EXISTS comment_parent ON ' .
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self::_sanitizeIdentifier('comment') . '(pasteid)'
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'CREATE INDEX IF NOT EXISTS "comment_parent" ON "' .
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self::_sanitizeIdentifier('comment') . '" ("pasteid")'
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);
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// no break, continue with updates for 0.22 and later
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case '1.3':
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@ -940,15 +933,15 @@ class Database extends AbstractData
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// to change it there
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if (self::$_type !== 'sqlite' && self::$_type !== 'pgsql') {
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self::$_db->exec(
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'ALTER TABLE ' . self::_sanitizeIdentifier('paste') .
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" MODIFY COLUMN data $attachmentType"
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'ALTER TABLE "' . self::_sanitizeIdentifier('paste') .
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"\" MODIFY COLUMN \"data\" $attachmentType"
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);
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}
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// no break, continue with updates for all newer versions
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default:
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self::_exec(
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'UPDATE ' . self::_sanitizeIdentifier('config') .
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' SET value = ? WHERE id = ?',
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'UPDATE "' . self::_sanitizeIdentifier('config') .
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'" SET "value" = ? WHERE "id" = ?',
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array(Controller::VERSION, 'VERSION')
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);
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}
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