File manager - Edit - /home/opticamezl/www/newok/ChangeItem.tar
Back
PostgresqlChangeItem.php 0000644 00000032676 15173205205 0011363 0 ustar 00 <?php /** * Joomla! Content Management System * * @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Schema\ChangeItem; use Joomla\CMS\Schema\ChangeItem; // phpcs:disable PSR1.Files.SideEffects \defined('JPATH_PLATFORM') or die; // phpcs:enable PSR1.Files.SideEffects /** * Checks the database schema against one PostgreSQL DDL query to see if it has been run. * * @since 3.0 */ class PostgresqlChangeItem extends ChangeItem { /** * Checks a DDL query to see if it is a known type * If yes, build a check query to see if the DDL has been run on the database. * If successful, the $msgElements, $queryType, $checkStatus and $checkQuery fields are populated. * The $msgElements contains the text to create the user message. * The $checkQuery contains the SQL query to check whether the schema change has * been run against the current database. The $queryType contains the type of * DDL query that was run (for example, CREATE_TABLE, ADD_COLUMN, CHANGE_COLUMN_TYPE, ADD_INDEX). * The $checkStatus field is set to zero if the query is created * * If not successful, $checkQuery is empty and , and $checkStatus is -1. * For example, this will happen if the current line is a non-DDL statement. * * @return void * * @since 3.0 */ protected function buildCheckQuery() { // Initialize fields in case we can't create a check query // Change status to skipped $this->checkStatus = -1; $result = null; $splitIntoWords = "~'[^']*'(*SKIP)(*F)|\s+~"; $splitIntoActions = "~'[^']*'(*SKIP)(*F)|\([^)]*\)(*SKIP)(*F)|,~"; // Remove any newlines $this->updateQuery = str_replace("\n", '', $this->updateQuery); // Remove trailing whitespace and semicolon $this->updateQuery = rtrim($this->updateQuery, "; \t\n\r\0\x0B"); // Fix up extra spaces around () and in general $find = ['#((\s*)\(\s*([^)\s]+)\s*)(\))#', '#(\s)(\s*)#']; $replace = ['($3)', '$1']; $updateQuery = preg_replace($find, $replace, $this->updateQuery); $wordArray = preg_split($splitIntoWords, $updateQuery, -1, PREG_SPLIT_NO_EMPTY); $totalWords = \count($wordArray); // First, make sure we have an array of at least 6 elements // if not, we can't make a check query for this one if ($totalWords < 6) { // Done with method return; } // We can only make check queries for alter table and create table queries $command = strtoupper($wordArray[0] . ' ' . $wordArray[1]); if ($command === 'ALTER TABLE') { // Check only the last action $actions = ltrim(substr($updateQuery, strpos($updateQuery, $wordArray[2]) + \strlen($wordArray[2]))); $actions = preg_split($splitIntoActions, $actions); // Get the last action $lastActionArray = preg_split($splitIntoWords, end($actions), -1, PREG_SPLIT_NO_EMPTY); // Replace all actions by the last one array_splice($wordArray, 3, $totalWords, $lastActionArray); $alterCommand = strtoupper($wordArray[3] . ' ' . $wordArray[4]); if ($alterCommand === 'RENAME TO') { $table = $this->fixQuote($wordArray[5]); $result = 'SELECT table_name FROM information_schema.tables WHERE table_name=' . $table; $this->queryType = 'RENAME_TABLE'; $this->checkQueryExpected = 1; $this->msgElements = [$table]; } elseif ($alterCommand === 'ADD COLUMN') { $result = 'SELECT column_name' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]); $this->queryType = 'ADD_COLUMN'; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), ]; } elseif ($alterCommand === 'DROP COLUMN') { $result = 'SELECT column_name' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]); $this->queryType = 'DROP_COLUMN'; $this->checkQueryExpected = 0; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), ]; } elseif ($alterCommand === 'ALTER COLUMN') { $alterAction = strtoupper($wordArray[6]); if ($alterAction === 'TYPE') { $type = implode(' ', \array_slice($wordArray, 7)); if ($pos = stripos($type, ' USING ')) { $type = substr($type, 0, $pos); } if ($pos = strpos($type, '(')) { $datatype = substr($type, 0, $pos); } else { $datatype = $type; } if ($datatype === 'varchar') { $datatype = 'character varying'; } $result = 'SELECT column_name, data_type ' . 'FROM information_schema.columns WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]) . ' AND data_type=' . $this->fixQuote($datatype); if ($datatype === 'character varying') { $result .= ' AND character_maximum_length = ' . (int) substr($type, $pos + 1); } $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), $type, ]; } elseif ($alterAction === 'SET') { $alterType = strtoupper($wordArray[7]); if ($alterType === 'NOT' && strtoupper($wordArray[8]) === 'NULL') { $result = 'SELECT column_name, data_type, is_nullable' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]) . ' AND is_nullable=' . $this->fixQuote('NO'); $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), 'NOT NULL', ]; } elseif ($alterType === 'DEFAULT') { $result = 'SELECT column_name, data_type, is_nullable' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]) . ' AND (CASE (position(' . $this->db->quote('::') . ' in column_default))' . ' WHEN 0 THEN ' . ' column_default = ' . $this->db->quote($wordArray[8]) . ' ELSE ' . ' substring(column_default, 1, (position(' . $this->db->quote('::') . ' in column_default) -1)) = ' . $this->db->quote($wordArray[8]) . ' END)'; $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), 'DEFAULT ' . $wordArray[8], ]; } } elseif ($alterAction === 'DROP') { $alterType = strtoupper($wordArray[7]); if ($alterType === 'DEFAULT') { $result = 'SELECT column_name, data_type, is_nullable , column_default' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]) . ' AND column_default IS NOT NULL'; $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->checkQueryExpected = 0; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), 'NOT DEFAULT', ]; } elseif ($alterType === 'NOT' && strtoupper($wordArray[8]) === 'NULL') { $result = 'SELECT column_name, data_type, is_nullable , column_default' . ' FROM information_schema.columns' . ' WHERE table_name=' . $this->fixQuote($wordArray[2]) . ' AND column_name=' . $this->fixQuote($wordArray[5]) . ' AND is_nullable = ' . $this->fixQuote('NO'); $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->checkQueryExpected = 0; $this->msgElements = [ $this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), 'NULL', ]; } } } } elseif ($command === 'DROP INDEX') { if (strtoupper($wordArray[2] . $wordArray[3]) === 'IFEXISTS') { $idx = $this->fixQuote($wordArray[4]); } else { $idx = $this->fixQuote($wordArray[2]); } $result = 'SELECT * FROM pg_indexes WHERE indexname=' . $idx; $this->queryType = 'DROP_INDEX'; $this->checkQueryExpected = 0; $this->msgElements = [$this->fixQuote($idx)]; } elseif ($command === 'CREATE INDEX' || (strtoupper($command . $wordArray[2]) === 'CREATE UNIQUE INDEX')) { if ($wordArray[1] === 'UNIQUE') { $idx = $this->fixQuote($wordArray[3]); $table = $this->fixQuote($wordArray[5]); } else { $idx = $this->fixQuote($wordArray[2]); $table = $this->fixQuote($wordArray[4]); } $result = 'SELECT * FROM pg_indexes WHERE indexname=' . $idx . ' AND tablename=' . $table; $this->queryType = 'ADD_INDEX'; $this->checkQueryExpected = 1; $this->msgElements = [$table, $idx]; } if ($command === 'CREATE TABLE') { if (strtoupper($wordArray[2] . $wordArray[3] . $wordArray[4]) === 'IFNOTEXISTS') { $table = $this->fixQuote($wordArray[5]); } else { $table = $this->fixQuote($wordArray[2]); } $result = 'SELECT table_name FROM information_schema.tables WHERE table_name=' . $table; $this->queryType = 'CREATE_TABLE'; $this->checkQueryExpected = 1; $this->msgElements = [$table]; } // Set fields based on results if ($this->checkQuery = $result) { // Unchecked status $this->checkStatus = 0; } else { // Skipped $this->checkStatus = -1; } } /** * Fix up integer. Fixes problem with PostgreSQL integer descriptions. * If you change a column to "integer unsigned" it shows * as "int(10) unsigned" in the check query. * * @param string $type1 the column type * @param string $type2 the column attributes * * @return string The original or changed column type. * * @since 3.0 */ private function fixInteger($type1, $type2) { $result = $type1; if (strtolower($type1) === 'integer' && strtolower(substr($type2, 0, 8)) === 'unsigned') { $result = 'unsigned int(10)'; } return $result; } /** * Fixes up a string for inclusion in a query. * Replaces name quote character with normal quote for literal. * Drops trailing semicolon. Injects the database prefix. * * @param string $string The input string to be cleaned up. * * @return string The modified string. * * @since 3.0 */ private function fixQuote($string) { $string = str_replace('"', '', $string); $string = str_replace(';', '', $string); $string = str_replace('#__', $this->db->getPrefix(), $string); return $this->db->quote($string); } } MysqlChangeItem.php 0000644 00000035653 15173205205 0010323 0 ustar 00 <?php /** * Joomla! Content Management System * * @copyright (C) 2011 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Schema\ChangeItem; use Joomla\CMS\Schema\ChangeItem; // phpcs:disable PSR1.Files.SideEffects \defined('JPATH_PLATFORM') or die; // phpcs:enable PSR1.Files.SideEffects /** * Checks the database schema against one MySQL DDL query to see if it has been run. * * @since 2.5 */ class MysqlChangeItem extends ChangeItem { /** * Checks a DDL query to see if it is a known type * If yes, build a check query to see if the DDL has been run on the database. * If successful, the $msgElements, $queryType, $checkStatus and $checkQuery fields are populated. * The $msgElements contains the text to create the user message. * The $checkQuery contains the SQL query to check whether the schema change has * been run against the current database. The $queryType contains the type of * DDL query that was run (for example, CREATE_TABLE, ADD_COLUMN, CHANGE_COLUMN_TYPE, ADD_INDEX). * The $checkStatus field is set to zero if the query is created * * If not successful, $checkQuery is empty and , and $checkStatus is -1. * For example, this will happen if the current line is a non-DDL statement. * * @return void * * @since 2.5 */ protected function buildCheckQuery() { // Initialize fields in case we can't create a check query // Change status to skipped $this->checkStatus = -1; $result = null; // Remove any newlines $this->updateQuery = str_replace("\n", '', $this->updateQuery); // Fix up extra spaces around () and in general $find = ['#((\s*)\(\s*([^)\s]+)\s*)(\))#', '#(\s)(\s*)#']; $replace = ['($3)', '$1']; $updateQuery = preg_replace($find, $replace, $this->updateQuery); $wordArray = preg_split("~'[^']*'(*SKIP)(*F)|\s+~u", trim($updateQuery, "; \t\n\r\0\x0B")); // First, make sure we have an array of at least 5 elements // if not, we can't make a check query for this one if (\count($wordArray) < 5) { // Done with method return; } // We can only make check queries for rename table, alter table and create table queries $command = strtoupper($wordArray[0] . ' ' . $wordArray[1]); if ($command === 'RENAME TABLE') { $table = $this->fixQuote($wordArray[4]); $this->checkQuery = 'SHOW TABLES LIKE ' . $table; $this->queryType = 'RENAME_TABLE'; $this->msgElements = [$table]; $this->checkStatus = 0; // Done with method return; } // For the remaining query types make sure we have an array of at least 6 elements if (\count($wordArray) < 6) { // Done with method return; } if ($command === 'ALTER TABLE') { $alterCommand = strtoupper($wordArray[3] . ' ' . $wordArray[4]); if ($alterCommand === 'ADD COLUMN') { $result = 'SHOW COLUMNS IN ' . $wordArray[2] . ' WHERE field = ' . $this->fixQuote($wordArray[5]); $this->queryType = 'ADD_COLUMN'; $this->msgElements = [$this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5])]; } elseif ($alterCommand === 'ADD INDEX' || $alterCommand === 'ADD KEY') { if ($pos = strpos($wordArray[5], '(')) { $index = $this->fixQuote(substr($wordArray[5], 0, $pos)); } else { $index = $this->fixQuote($wordArray[5]); } $result = 'SHOW INDEXES IN ' . $wordArray[2] . ' WHERE Key_name = ' . $index; $this->queryType = 'ADD_INDEX'; $this->msgElements = [$this->fixQuote($wordArray[2]), $index]; } elseif ($alterCommand === 'ADD UNIQUE') { $idxIndexName = 5; if (isset($wordArray[6])) { $addCmdCheck = strtoupper($wordArray[5]); if ($addCmdCheck === 'INDEX' || $addCmdCheck === 'KEY') { $idxIndexName = 6; } } if ($pos = strpos($wordArray[$idxIndexName], '(')) { $index = $this->fixQuote(substr($wordArray[$idxIndexName], 0, $pos)); } else { $index = $this->fixQuote($wordArray[$idxIndexName]); } $result = 'SHOW INDEXES IN ' . $wordArray[2] . ' WHERE Key_name = ' . $index; $this->queryType = 'ADD_INDEX'; $this->msgElements = [$this->fixQuote($wordArray[2]), $index]; } elseif ($alterCommand === 'DROP INDEX' || $alterCommand === 'DROP KEY') { $index = $this->fixQuote($wordArray[5]); $result = 'SHOW INDEXES IN ' . $wordArray[2] . ' WHERE Key_name = ' . $index; $this->queryType = 'DROP_INDEX'; $this->checkQueryExpected = 0; $this->msgElements = [$this->fixQuote($wordArray[2]), $index]; } elseif ($alterCommand === 'DROP COLUMN') { $index = $this->fixQuote($wordArray[5]); $result = 'SHOW COLUMNS IN ' . $wordArray[2] . ' WHERE Field = ' . $index; $this->queryType = 'DROP_COLUMN'; $this->checkQueryExpected = 0; $this->msgElements = [$this->fixQuote($wordArray[2]), $index]; } elseif (strtoupper($wordArray[3]) === 'MODIFY') { // Kludge to fix problem with "integer unsigned" $type = $wordArray[5]; if (isset($wordArray[6])) { $type = $this->fixInteger($wordArray[5], $wordArray[6]); } // Detect changes in NULL and in DEFAULT column attributes $changesArray = \array_slice($wordArray, 6); $defaultCheck = $this->checkDefault($changesArray, $type); $nullCheck = $this->checkNull($changesArray); /** * When we made the UTF8MB4 conversion then text becomes medium text - so loosen the checks to these two types * otherwise (for example) the profile fields profile_value check fails - see https://github.com/joomla/joomla-cms/issues/9258 */ $typeCheck = $this->fixUtf8mb4TypeChecks($type); $result = 'SHOW COLUMNS IN ' . $wordArray[2] . ' WHERE field = ' . $this->fixQuote($wordArray[4]) . ' AND ' . $typeCheck . ($defaultCheck ? ' AND ' . $defaultCheck : '') . ($nullCheck ? ' AND ' . $nullCheck : ''); $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->msgElements = [$this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[4]), $type]; } elseif (strtoupper($wordArray[3]) === 'CHANGE') { // Kludge to fix problem with "integer unsigned" $type = $wordArray[6]; if (isset($wordArray[7])) { $type = $this->fixInteger($wordArray[6], $wordArray[7]); } // Detect changes in NULL and in DEFAULT column attributes $changesArray = \array_slice($wordArray, 6); $defaultCheck = $this->checkDefault($changesArray, $type); $nullCheck = $this->checkNull($changesArray); /** * When we made the UTF8MB4 conversion then text becomes medium text - so loosen the checks to these two types * otherwise (for example) the profile fields profile_value check fails - see https://github.com/joomla/joomla-cms/issues/9258 */ $typeCheck = $this->fixUtf8mb4TypeChecks($type); $result = 'SHOW COLUMNS IN ' . $wordArray[2] . ' WHERE field = ' . $this->fixQuote($wordArray[5]) . ' AND ' . $typeCheck . ($defaultCheck ? ' AND ' . $defaultCheck : '') . ($nullCheck ? ' AND ' . $nullCheck : ''); $this->queryType = 'CHANGE_COLUMN_TYPE'; $this->msgElements = [$this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5]), $type]; } } if ($command === 'CREATE TABLE') { if (strtoupper($wordArray[2] . $wordArray[3] . $wordArray[4]) === 'IFNOTEXISTS') { $table = $wordArray[5]; } else { $table = $wordArray[2]; } $result = 'SHOW TABLES LIKE ' . $this->fixQuote($table); $this->queryType = 'CREATE_TABLE'; $this->msgElements = [$this->fixQuote($table)]; } // Set fields based on results if ($this->checkQuery = $result) { // Unchecked status $this->checkStatus = 0; } else { // Skipped $this->checkStatus = -1; } } /** * Fix up integer. Fixes problem with MySQL integer descriptions. * On MySQL 8 display length is not shown anymore. * This means we have to match e.g. both "int(10) unsigned" and * "int unsigned", or both "int(11)" and "int" and so on. * The same applies to the other integer data types "tinyint", * "smallint", "mediumint" and "bigint". * * @param string $type1 the column type * @param string $type2 the column attributes * * @return string The original or changed column type. * * @since 2.5 */ private function fixInteger($type1, $type2) { $result = $type1; if (preg_match('/^(?P<type>(big|medium|small|tiny)?int)(\([0-9]+\))?$/i', $type1, $matches)) { $result = strtolower($matches['type']); } if (strtolower(substr($type2, 0, 8)) === 'unsigned') { $result .= ' unsigned'; } return $result; } /** * Fixes up a string for inclusion in a query. * Replaces name quote character with normal quote for literal. * Drops trailing semicolon. Injects the database prefix. * * @param string $string The input string to be cleaned up. * * @return string The modified string. * * @since 2.5 */ private function fixQuote($string) { $string = str_replace('`', '', $string); $string = str_replace(';', '', $string); $string = str_replace('#__', $this->db->getPrefix(), $string); return $this->db->quote($string); } /** * Make check query for column changes/modifications tolerant * for automatic type changes of text columns, e.g. from TEXT * to MEDIUMTEXT, after conversion from utf8 to utf8mb4, and * fix integer columns without display length for MySQL 8 * (see also function "fixInteger" above). * * @param string $type The column type found in the update query * * @return string The condition for type check in the check query * * @since 3.5 */ private function fixUtf8mb4TypeChecks($type) { $uType = strtoupper(str_replace(';', '', $type)); switch ($uType) { case 'BIGINT UNSIGNED': case 'INT UNSIGNED': case 'MEDIUMINT UNSIGNED': case 'SMALLINT UNSIGNED': case 'TINYINT UNSIGNED': // Eg for "INT": "UPPER(type) REGEXP '^INT([(][0-9]+[)])? UNSIGNED$'" $typeCheck = 'UPPER(type) REGEXP ' . $this->db->quote('^' . str_replace(' ', '([(][0-9]+[)])? ', $uType) . '$'); break; case 'BIGINT': case 'INT': case 'MEDIUMINT': case 'SMALLINT': case 'TINYINT': // Eg for "INT": "UPPER(type) REGEXP '^INT([(][0-9]+[)])?$'" $typeCheck = 'UPPER(type) REGEXP ' . $this->db->quote('^' . $uType . '([(][0-9]+[)])?$'); break; case 'MEDIUMTEXT': $typeCheck = $this->db->hasUTF8mb4Support() ? 'UPPER(type) IN (' . $this->db->quote('MEDIUMTEXT') . ',' . $this->db->quote('LONGTEXT') . ')' : 'UPPER(type) = ' . $this->db->quote('MEDIUMTEXT'); break; case 'TEXT': $typeCheck = $this->db->hasUTF8mb4Support() ? 'UPPER(type) IN (' . $this->db->quote('TEXT') . ',' . $this->db->quote('MEDIUMTEXT') . ')' : 'UPPER(type) = ' . $this->db->quote('TEXT'); break; case 'TINYTEXT': $typeCheck = $this->db->hasUTF8mb4Support() ? 'UPPER(type) IN (' . $this->db->quote('TINYTEXT') . ',' . $this->db->quote('TEXT') . ')' : 'UPPER(type) = ' . $this->db->quote('TINYTEXT'); break; default: $typeCheck = 'UPPER(type) = ' . $this->db->quote($uType); } return $typeCheck; } /** * Create query clause for column changes/modifications for NULL attribute * * @param array $changesArray The array of words after COLUMN name * * @return string The query clause for NULL check in the check query * * @since 3.8.6 */ private function checkNull($changesArray) { // Find NULL keyword $index = array_search('null', array_map('strtolower', $changesArray)); // Create the check if ($index !== false) { if ($index == 0 || strtolower($changesArray[$index - 1]) !== 'not') { return ' `null` = ' . $this->db->quote('YES'); } else { return ' `null` = ' . $this->db->quote('NO'); } } return false; } /** * Create query clause for column changes/modifications for DEFAULT attribute * * @param array $changesArray The array of words after COLUMN name * @param string $type The type of the COLUMN * * @return string The query clause for DEFAULT check in the check query * * @since 3.8.6 */ private function checkDefault($changesArray, $type) { // Skip types that do not support default values $type = strtolower($type); if (substr($type, -4) === 'text' || substr($type, -4) === 'blob') { return false; } // Find DEFAULT keyword $index = array_search('default', array_map('strtolower', $changesArray)); // Create the check if ($index !== false) { if (strtolower($changesArray[$index + 1]) === 'null') { return ' `default` IS NULL'; } else { return ' `default` = ' . $changesArray[$index + 1]; } } return false; } } SqlsrvChangeItem.php 0000644 00000013271 15173205205 0010500 0 ustar 00 <?php /** * Joomla! Content Management System * * @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Schema\ChangeItem; use Joomla\CMS\Schema\ChangeItem; // phpcs:disable PSR1.Files.SideEffects \defined('JPATH_PLATFORM') or die; // phpcs:enable PSR1.Files.SideEffects /** * Checks the database schema against one SQL Server DDL query to see if it has been run. * * @since 2.5 * * @deprecated 4.3 will be removed in 6.0 * Will be removed without replacement */ class SqlsrvChangeItem extends ChangeItem { /** * Checks a DDL query to see if it is a known type * If yes, build a check query to see if the DDL has been run on the database. * If successful, the $msgElements, $queryType, $checkStatus and $checkQuery fields are populated. * The $msgElements contains the text to create the user message. * The $checkQuery contains the SQL query to check whether the schema change has * been run against the current database. The $queryType contains the type of * DDL query that was run (for example, CREATE_TABLE, ADD_COLUMN, CHANGE_COLUMN_TYPE, ADD_INDEX). * The $checkStatus field is set to zero if the query is created * * If not successful, $checkQuery is empty and , and $checkStatus is -1. * For example, this will happen if the current line is a non-DDL statement. * * @return void * * @since 2.5 */ protected function buildCheckQuery() { // Initialize fields in case we can't create a check query // Change status to skipped $this->checkStatus = -1; $result = null; // Remove any newlines $this->updateQuery = str_replace("\n", '', $this->updateQuery); // Fix up extra spaces around () and in general $find = ['#((\s*)\(\s*([^)\s]+)\s*)(\))#', '#(\s)(\s*)#']; $replace = ['($3)', '$1']; $updateQuery = preg_replace($find, $replace, $this->updateQuery); $wordArray = explode(' ', $updateQuery); // First, make sure we have an array of at least 6 elements // if not, we can't make a check query for this one if (\count($wordArray) < 6) { // Done with method return; } // We can only make check queries for alter table and create table queries $command = strtoupper($wordArray[0] . ' ' . $wordArray[1]); if ($command === 'ALTER TABLE') { $alterCommand = strtoupper($wordArray[3] . ' ' . $wordArray[4]); if ($alterCommand === 'ADD') { $result = 'SELECT * FROM INFORMATION_SCHEMA.Columns ' . $wordArray[2] . ' WHERE COLUMN_NAME = ' . $this->fixQuote($wordArray[5]); $this->queryType = 'ADD'; $this->msgElements = [$this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[5])]; } elseif ($alterCommand === 'CREATE INDEX') { $index = $this->fixQuote(substr($wordArray[5], 0, strpos($wordArray[5], '('))); $result = 'SELECT * FROM SYS.INDEXES ' . $wordArray[2] . ' WHERE name = ' . $index; $this->queryType = 'CREATE INDEX'; $this->msgElements = [$this->fixQuote($wordArray[2]), $index]; } elseif (strtoupper($wordArray[3]) === 'MODIFY' || strtoupper($wordArray[3]) === 'CHANGE') { $result = 'SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ' . $this->fixQuote($wordArray[2]); $this->queryType = 'ALTER COLUMN COLUMN_NAME =' . $this->fixQuote($wordArray[4]); $this->msgElements = [$this->fixQuote($wordArray[2]), $this->fixQuote($wordArray[4])]; } } if ($command === 'CREATE TABLE') { $table = $wordArray[2]; $result = 'SELECT * FROM sys.TABLES WHERE NAME = ' . $this->fixQuote($table); $this->queryType = 'CREATE_TABLE'; $this->msgElements = [$this->fixQuote($table)]; } // Set fields based on results if ($this->checkQuery = $result) { // Unchecked status $this->checkStatus = 0; } else { // Skipped $this->checkStatus = -1; } } /** * Fix up integer. Fixes problem with MySQL integer descriptions. * If you change a column to "integer unsigned" it shows * as "int(10) unsigned" in the check query. * * @param string $type1 the column type * @param string $type2 the column attributes * * @return string The original or changed column type. * * @since 2.5 */ private function fixInteger($type1, $type2) { $result = $type1; if (strtolower($type1) === 'integer' && strtolower(substr($type2, 0, 8)) === 'unsigned') { $result = 'int'; } return $result; } /** * Fixes up a string for inclusion in a query. * Replaces name quote character with normal quote for literal. * Drops trailing semicolon. Injects the database prefix. * * @param string $string The input string to be cleaned up. * * @return string The modified string. * * @since 2.5 */ private function fixQuote($string) { $string = str_replace('[', '', $string); $string = str_replace(']', '', $string); $string = str_replace('"', '', $string); $string = str_replace(';', '', $string); $string = str_replace('#__', $this->db->getPrefix(), $string); return $this->db->quote($string); } }
| ver. 1.4 |
Github
|
.
| PHP 8.3.23 | Generation time: 0 |
proxy
|
phpinfo
|
Settings