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Diffstat (limited to 'hugo/libraries/import.lib.php')
| -rw-r--r-- | hugo/libraries/import.lib.php | 1248 |
1 files changed, 1248 insertions, 0 deletions
diff --git a/hugo/libraries/import.lib.php b/hugo/libraries/import.lib.php new file mode 100644 index 0000000..776551f --- /dev/null +++ b/hugo/libraries/import.lib.php @@ -0,0 +1,1248 @@ +<?php +/* vim: set expandtab sw=4 ts=4 sts=4: */ +/** + * Library that provides common import functions that are used by import plugins + * + * @package PhpMyAdmin-Import + */ +if (! defined('PHPMYADMIN')) { + exit; +} + +/** + * We need to know something about user + */ +require_once './libraries/check_user_privileges.lib.php'; + +/** + * We do this check, DROP DATABASE does not need to be confirmed elsewhere + */ +define('PMA_CHK_DROP', 1); + +/** + * Checks whether timeout is getting close + * + * @return boolean true if timeout is close + * @access public + */ +function PMA_checkTimeout() +{ + global $timestamp, $maximum_time, $timeout_passed; + if ($maximum_time == 0) { + return false; + } elseif ($timeout_passed) { + return true; + /* 5 in next row might be too much */ + } elseif ((time() - $timestamp) > ($maximum_time - 5)) { + $timeout_passed = true; + return true; + } else { + return false; + } +} + +/** + * Detects what compression filse uses + * + * @param string $filepath filename to check + * + * @return string MIME type of compression, none for none + * @access public + */ +function PMA_detectCompression($filepath) +{ + $file = @fopen($filepath, 'rb'); + if (! $file) { + return false; + } + $test = fread($file, 4); + $len = strlen($test); + fclose($file); + if ($len >= 2 && $test[0] == chr(31) && $test[1] == chr(139)) { + return 'application/gzip'; + } + if ($len >= 3 && substr($test, 0, 3) == 'BZh') { + return 'application/bzip2'; + } + if ($len >= 4 && $test == "PK\003\004") { + return 'application/zip'; + } + return 'none'; +} + +/** + * Runs query inside import buffer. This is needed to allow displaying + * of last SELECT, SHOW or HANDLER results and similar nice stuff. + * + * @param string $sql query to run + * @param string $full query to display, this might be commented + * @param bool $controluser whether to use control user for queries + * @param array &$sql_data + * + * @return void + * @access public + */ +function PMA_importRunQuery($sql = '', $full = '', $controluser = false, + &$sql_data = array() +) { + global $import_run_buffer, $go_sql, $complete_query, $display_query, + $sql_query, $my_die, $error, $reload, + $last_query_with_results, $result, $msg, + $skip_queries, $executed_queries, $max_sql_len, $read_multiply, + $cfg, $sql_query_disabled, $db, $run_query, $is_superuser; + $read_multiply = 1; + if (isset($import_run_buffer)) { + // Should we skip something? + if ($skip_queries > 0) { + $skip_queries--; + } else { + if (! empty($import_run_buffer['sql']) + && trim($import_run_buffer['sql']) != '' + ) { + + // USE query changes the database, son need to track + // while running multiple queries + $is_use_query + = (stripos($import_run_buffer['sql'], "use ") !== false) + ? true + : false; + + $max_sql_len = max($max_sql_len, strlen($import_run_buffer['sql'])); + if (! $sql_query_disabled) { + $sql_query .= $import_run_buffer['full']; + } + if (! $cfg['AllowUserDropDatabase'] + && ! $is_superuser + && preg_match('@^[[:space:]]*DROP[[:space:]]+(IF EXISTS[[:space:]]+)?DATABASE @i', $import_run_buffer['sql']) + ) { + $GLOBALS['message'] = PMA_Message::error(__('"DROP DATABASE" statements are disabled.')); + $error = true; + } else { + + $executed_queries++; + + if ($run_query + && $GLOBALS['finished'] + && empty($sql) + && ! $error + && ((! empty($import_run_buffer['sql']) + && preg_match('/^[\s]*(SELECT|SHOW|HANDLER)/i', $import_run_buffer['sql'])) + || ($executed_queries == 1)) + ) { + $go_sql = true; + if (! $sql_query_disabled) { + $complete_query = $sql_query; + $display_query = $sql_query; + } else { + $complete_query = ''; + $display_query = ''; + } + $sql_query = $import_run_buffer['sql']; + $sql_data['valid_sql'][] = $import_run_buffer['sql']; + $sql_data['valid_queries']++; + + // If a 'USE <db>' SQL-clause was found, + // set our current $db to the new one + list($db, $reload) = PMA_lookForUse( + $import_run_buffer['sql'], + $db, + $reload + ); + } elseif ($run_query) { + + if ($controluser) { + $result = PMA_queryAsControlUser( + $import_run_buffer['sql'] + ); + } else { + $result = PMA_DBI_try_query($import_run_buffer['sql']); + } + + $msg = '# '; + if ($result === false) { // execution failed + if (! isset($my_die)) { + $my_die = array(); + } + $my_die[] = array( + 'sql' => $import_run_buffer['full'], + 'error' => PMA_DBI_getError() + ); + + $msg .= __('Error'); + + if (! $cfg['IgnoreMultiSubmitErrors']) { + $error = true; + return; + } + } else { + $a_num_rows = (int)@PMA_DBI_num_rows($result); + $a_aff_rows = (int)@PMA_DBI_affected_rows(); + if ($a_num_rows > 0) { + $msg .= __('Rows'). ': ' . $a_num_rows; + $last_query_with_results = $import_run_buffer['sql']; + } elseif ($a_aff_rows > 0) { + $message = PMA_Message::getMessageForAffectedRows($a_aff_rows); + $msg .= $message->getMessage(); + } else { + $msg .= __('MySQL returned an empty result set (i.e. zero rows).'); + } + + if (($a_num_rows > 0) || $is_use_query) { + $sql_data['valid_sql'][] = $import_run_buffer['sql']; + $sql_data['valid_queries']++; + } + + } + if (! $sql_query_disabled) { + $sql_query .= $msg . "\n"; + } + + // If a 'USE <db>' SQL-clause was found and the query + // succeeded, set our current $db to the new one + if ($result != false) { + list($db, $reload) = PMA_lookForUse( + $import_run_buffer['sql'], + $db, + $reload + ); + } + + if ($result != false + && preg_match('@^[\s]*(DROP|CREATE)[\s]+(IF EXISTS[[:space:]]+)?(TABLE|DATABASE)[[:space:]]+(.+)@im', $import_run_buffer['sql']) + ) { + $reload = true; + } + } // end run query + } // end if not DROP DATABASE + // end non empty query + } elseif (! empty($import_run_buffer['full'])) { + if ($go_sql) { + $complete_query .= $import_run_buffer['full']; + $display_query .= $import_run_buffer['full']; + } else { + if (! $sql_query_disabled) { + $sql_query .= $import_run_buffer['full']; + } + } + } + // check length of query unless we decided to pass it to sql.php + // (if $run_query is false, we are just displaying so show + // the complete query in the textarea) + if (! $go_sql && $run_query) { + if (! empty($sql_query)) { + if (strlen($sql_query) > 50000 + || $executed_queries > 50 + || $max_sql_len > 1000 + ) { + $sql_query = ''; + $sql_query_disabled = true; + } + } + } + } // end do query (no skip) + } // end buffer exists + + // Do we have something to push into buffer? + if (! empty($sql) || ! empty($full)) { + $import_run_buffer = array('sql' => $sql, 'full' => $full); + } else { + unset($GLOBALS['import_run_buffer']); + } +} + +/** + * Looks for the presence of USE to possibly change current db + * + * @param string $buffer buffer to examine + * @param string $db current db + * @param bool $reload reload + * + * @return array (current or new db, whether to reload) + * @access public + */ +function PMA_lookForUse($buffer, $db, $reload) +{ + if (preg_match('@^[\s]*USE[[:space:]]+([\S]+)@i', $buffer, $match)) { + $db = trim($match[1]); + $db = trim($db, ';'); // for example, USE abc; + + // $db must not contain the escape characters generated by backquote() + // ( used in PMA_buildSQL() as: backquote($db_name), and then called + // in PMA_importRunQuery() which in turn calls PMA_lookForUse() ) + $db = PMA_Util::unQuote($db); + + $reload = true; + } + return(array($db, $reload)); +} + + +/** + * Returns next part of imported file/buffer + * + * @param int $size size of buffer to read + * (this is maximal size function will return) + * + * @return string part of file/buffer + * @access public + */ +function PMA_importGetNextChunk($size = 32768) +{ + global $compression, $import_handle, $charset_conversion, $charset_of_file, + $read_multiply; + + // Add some progression while reading large amount of data + if ($read_multiply <= 8) { + $size *= $read_multiply; + } else { + $size *= 8; + } + $read_multiply++; + + // We can not read too much + if ($size > $GLOBALS['read_limit']) { + $size = $GLOBALS['read_limit']; + } + + if (PMA_checkTimeout()) { + return false; + } + if ($GLOBALS['finished']) { + return true; + } + + if ($GLOBALS['import_file'] == 'none') { + // Well this is not yet supported and tested, + // but should return content of textarea + if (strlen($GLOBALS['import_text']) < $size) { + $GLOBALS['finished'] = true; + return $GLOBALS['import_text']; + } else { + $r = substr($GLOBALS['import_text'], 0, $size); + $GLOBALS['offset'] += $size; + $GLOBALS['import_text'] = substr($GLOBALS['import_text'], $size); + return $r; + } + } + + switch ($compression) { + case 'application/bzip2': + $result = bzread($import_handle, $size); + $GLOBALS['finished'] = feof($import_handle); + break; + case 'application/gzip': + $result = gzread($import_handle, $size); + $GLOBALS['finished'] = feof($import_handle); + break; + case 'application/zip': + $result = substr($GLOBALS['import_text'], 0, $size); + $GLOBALS['import_text'] = substr($GLOBALS['import_text'], $size); + $GLOBALS['finished'] = empty($GLOBALS['import_text']); + break; + case 'none': + $result = fread($import_handle, $size); + $GLOBALS['finished'] = feof($import_handle); + break; + } + $GLOBALS['offset'] += $size; + + if ($charset_conversion) { + return PMA_convert_string($charset_of_file, 'utf-8', $result); + } else { + /** + * Skip possible byte order marks (I do not think we need more + * charsets, but feel free to add more, you can use wikipedia for + * reference: <http://en.wikipedia.org/wiki/Byte_Order_Mark>) + * + * @todo BOM could be used for charset autodetection + */ + if ($GLOBALS['offset'] == $size) { + // UTF-8 + if (strncmp($result, "\xEF\xBB\xBF", 3) == 0) { + $result = substr($result, 3); + // UTF-16 BE, LE + } elseif (strncmp($result, "\xFE\xFF", 2) == 0 + || strncmp($result, "\xFF\xFE", 2) == 0 + ) { + $result = substr($result, 2); + } + } + return $result; + } +} + +/** + * Returns the "Excel" column name (i.e. 1 = "A", 26 = "Z", 27 = "AA", etc.) + * + * This functions uses recursion to build the Excel column name. + * + * The column number (1-26) is converted to the responding + * ASCII character (A-Z) and returned. + * + * If the column number is bigger than 26 (= num of letters in alfabet), + * an extra character needs to be added. To find this extra character, + * the number is divided by 26 and this value is passed to another instance + * of the same function (hence recursion). In that new instance the number is + * evaluated again, and if it is still bigger than 26, it is divided again + * and passed to another instance of the same function. This continues until + * the number is smaller than 26. Then the last called function returns + * the corresponding ASCII character to the function that called it. + * Each time a called function ends an extra character is added to the column name. + * When the first function is reached, the last character is addded and the complete + * column name is returned. + * + * @param int $num the column number + * + * @return string The column's "Excel" name + * @access public + */ +function PMA_getColumnAlphaName($num) +{ + $A = 65; // ASCII value for capital "A" + $col_name = ""; + + if ($num > 26) { + $div = (int)($num / 26); + $remain = (int)($num % 26); + + // subtract 1 of divided value in case the modulus is 0, + // this is necessary because A-Z has no 'zero' + if ($remain == 0) { + $div--; + } + + // recursive function call + $col_name = PMA_getColumnAlphaName($div); + // use modulus as new column number + $num = $remain; + } + + if ($num == 0) { + // use 'Z' if column number is 0, + // this is necessary because A-Z has no 'zero' + $col_name .= chr(($A + 26) - 1); + } else { + // convert column number to ASCII character + $col_name .= chr(($A + $num) - 1); + } + + return $col_name; +} + +/** + * Returns the column number based on the Excel name. + * So "A" = 1, "Z" = 26, "AA" = 27, etc. + * + * Basicly this is a base26 (A-Z) to base10 (0-9) conversion. + * It iterates through all characters in the column name and + * calculates the corresponding value, based on character value + * (A = 1, ..., Z = 26) and position in the string. + * + * @param string $name column name(i.e. "A", or "BC", etc.) + * + * @return int The column number + * @access public + */ +function PMA_getColumnNumberFromName($name) +{ + if (! empty($name)) { + $name = strtoupper($name); + $num_chars = strlen($name); + $column_number = 0; + for ($i = 0; $i < $num_chars; ++$i) { + // read string from back to front + $char_pos = ($num_chars - 1) - $i; + + // convert capital character to ASCII value + // and subtract 64 to get corresponding decimal value + // ASCII value of "A" is 65, "B" is 66, etc. + // Decimal equivalent of "A" is 1, "B" is 2, etc. + $number = (ord($name[$char_pos]) - 64); + + // base26 to base10 conversion : multiply each number + // with corresponding value of the position, in this case + // $i=0 : 1; $i=1 : 26; $i=2 : 676; ... + $column_number += $number * PMA_Util::pow(26, $i); + } + return $column_number; + } else { + return 0; + } +} + +/** + * Constants definitions + */ + +/* MySQL type defs */ +define("NONE", 0); +define("VARCHAR", 1); +define("INT", 2); +define("DECIMAL", 3); +define("BIGINT", 4); +define("GEOMETRY", 5); + +/* Decimal size defs */ +define("M", 0); +define("D", 1); +define("FULL", 2); + +/* Table array defs */ +define("TBL_NAME", 0); +define("COL_NAMES", 1); +define("ROWS", 2); + +/* Analysis array defs */ +define("TYPES", 0); +define("SIZES", 1); +define("FORMATTEDSQL", 2); + +/** + * Obtains the precision (total # of digits) from a size of type decimal + * + * @param string $last_cumulative_size + * + * @return int Precision of the given decimal size notation + * @access public + */ +function PMA_getM($last_cumulative_size) +{ + return (int)substr($last_cumulative_size, 0, strpos($last_cumulative_size, ",")); +} + +/** + * Obtains the scale (# of digits to the right of the decimal point) + * from a size of type decimal + * + * @param string $last_cumulative_size + * + * @return int Scale of the given decimal size notation + * @access public + */ +function PMA_getD($last_cumulative_size) +{ + return (int) substr( + $last_cumulative_size, + (strpos($last_cumulative_size, ",") + 1), + (strlen($last_cumulative_size) - strpos($last_cumulative_size, ",")) + ); +} + +/** + * Obtains the decimal size of a given cell + * + * @param string $cell cell content + * + * @return array Contains the precision, scale, and full size + * representation of the given decimal cell + * @access public + */ +function PMA_getDecimalSize($cell) +{ + $curr_size = strlen((string)$cell); + $decPos = strpos($cell, "."); + $decPrecision = ($curr_size - 1) - $decPos; + + $m = $curr_size - 1; + $d = $decPrecision; + + return array($m, $d, ($m . "," . $d)); +} + +/** + * Obtains the size of the given cell + * + * @param string $last_cumulative_size Last cumulative column size + * @param int $last_cumulative_type Last cumulative column type + * (NONE or VARCHAR or DECIMAL or INT or BIGINT) + * @param int $curr_type Type of the current cell + * (NONE or VARCHAR or DECIMAL or INT or BIGINT) + * @param string $cell The current cell + * + * @return string Size of the given cell in the type-appropriate format + * @access public + * + * @todo Handle the error cases more elegantly + */ +function PMA_detectSize($last_cumulative_size, $last_cumulative_type, + $curr_type, $cell +) { + $curr_size = strlen((string)$cell); + + /** + * If the cell is NULL, don't treat it as a varchar + */ + if (! strcmp('NULL', $cell)) { + return $last_cumulative_size; + } elseif ($curr_type == VARCHAR) { + /** + * What to do if the current cell is of type VARCHAR + */ + /** + * The last cumulative type was VARCHAR + */ + if ($last_cumulative_type == VARCHAR) { + if ($curr_size >= $last_cumulative_size) { + return $curr_size; + } else { + return $last_cumulative_size; + } + } elseif ($last_cumulative_type == DECIMAL) { + /** + * The last cumulative type was DECIMAL + */ + $oldM = PMA_getM($last_cumulative_size); + + if ($curr_size >= $oldM) { + return $curr_size; + } else { + return $oldM; + } + } elseif ($last_cumulative_type == BIGINT || $last_cumulative_type == INT) { + /** + * The last cumulative type was BIGINT or INT + */ + if ($curr_size >= $last_cumulative_size) { + return $curr_size; + } else { + return $last_cumulative_size; + } + } elseif (! isset($last_cumulative_type) || $last_cumulative_type == NONE) { + /** + * This is the first row to be analyzed + */ + return $curr_size; + } else { + /** + * An error has DEFINITELY occurred + */ + /** + * TODO: Handle this MUCH more elegantly + */ + + return -1; + } + } elseif ($curr_type == DECIMAL) { + /** + * What to do if the current cell is of type DECIMAL + */ + /** + * The last cumulative type was VARCHAR + */ + if ($last_cumulative_type == VARCHAR) { + /* Convert $last_cumulative_size from varchar to decimal format */ + $size = PMA_getDecimalSize($cell); + + if ($size[M] >= $last_cumulative_size) { + return $size[M]; + } else { + return $last_cumulative_size; + } + } elseif ($last_cumulative_type == DECIMAL) { + /** + * The last cumulative type was DECIMAL + */ + $size = PMA_getDecimalSize($cell); + + $oldM = PMA_getM($last_cumulative_size); + $oldD = PMA_getD($last_cumulative_size); + + /* New val if M or D is greater than current largest */ + if ($size[M] > $oldM || $size[D] > $oldD) { + /* Take the largest of both types */ + return (string) ((($size[M] > $oldM) ? $size[M] : $oldM) + . "," . (($size[D] > $oldD) ? $size[D] : $oldD)); + } else { + return $last_cumulative_size; + } + } elseif ($last_cumulative_type == BIGINT || $last_cumulative_type == INT) { + /** + * The last cumulative type was BIGINT or INT + */ + /* Convert $last_cumulative_size from int to decimal format */ + $size = PMA_getDecimalSize($cell); + + if ($size[M] >= $last_cumulative_size) { + return $size[FULL]; + } else { + return ($last_cumulative_size.",".$size[D]); + } + } elseif (! isset($last_cumulative_type) || $last_cumulative_type == NONE) { + /** + * This is the first row to be analyzed + */ + /* First row of the column */ + $size = PMA_getDecimalSize($cell); + + return $size[FULL]; + } else { + /** + * An error has DEFINITELY occurred + */ + /** + * TODO: Handle this MUCH more elegantly + */ + + return -1; + } + } elseif ($curr_type == BIGINT || $curr_type == INT) { + /** + * What to do if the current cell is of type BIGINT or INT + */ + /** + * The last cumulative type was VARCHAR + */ + if ($last_cumulative_type == VARCHAR) { + if ($curr_size >= $last_cumulative_size) { + return $curr_size; + } else { + return $last_cumulative_size; + } + } elseif ($last_cumulative_type == DECIMAL) { + /** + * The last cumulative type was DECIMAL + */ + $oldM = PMA_getM($last_cumulative_size); + $oldD = PMA_getD($last_cumulative_size); + $oldInt = $oldM - $oldD; + $newInt = strlen((string)$cell); + + /* See which has the larger integer length */ + if ($oldInt >= $newInt) { + /* Use old decimal size */ + return $last_cumulative_size; + } else { + /* Use $newInt + $oldD as new M */ + return (($newInt + $oldD) . "," . $oldD); + } + } elseif ($last_cumulative_type == BIGINT || $last_cumulative_type == INT) { + /** + * The last cumulative type was BIGINT or INT + */ + if ($curr_size >= $last_cumulative_size) { + return $curr_size; + } else { + return $last_cumulative_size; + } + } elseif (! isset($last_cumulative_type) || $last_cumulative_type == NONE) { + /** + * This is the first row to be analyzed + */ + return $curr_size; + } else { + /** + * An error has DEFINITELY occurred + */ + /** + * TODO: Handle this MUCH more elegantly + */ + + return -1; + } + } else { + /** + * An error has DEFINITELY occurred + */ + /** + * TODO: Handle this MUCH more elegantly + */ + + return -1; + } +} + +/** + * Determines what MySQL type a cell is + * + * @param int $last_cumulative_type Last cumulative column type + * (VARCHAR or INT or BIGINT or DECIMAL or NONE) + * @param string $cell String representation of the cell for which + * a best-fit type is to be determined + * + * @return int The MySQL type representation + * (VARCHAR or INT or BIGINT or DECIMAL or NONE) + * @access public + */ +function PMA_detectType($last_cumulative_type, $cell) +{ + /** + * If numeric, determine if decimal, int or bigint + * Else, we call it varchar for simplicity + */ + + if (! strcmp('NULL', $cell)) { + if ($last_cumulative_type === null || $last_cumulative_type == NONE) { + return NONE; + } else { + return $last_cumulative_type; + } + } elseif (is_numeric($cell)) { + if ($cell == (string)(float)$cell + && strpos($cell, ".") !== false + && substr_count($cell, ".") == 1 + ) { + return DECIMAL; + } else { + if (abs($cell) > 2147483647) { + return BIGINT; + } else { + return INT; + } + } + } else { + return VARCHAR; + } +} + +/** + * Determines if the column types are int, decimal, or string + * + * @param array &$table array(string $table_name, array $col_names, array $rows) + * + * @return array array(array $types, array $sizes) + * @access public + * + * @link http://wiki.phpmyadmin.net/pma/Import + * + * @todo Handle the error case more elegantly + */ +function PMA_analyzeTable(&$table) +{ + /* Get number of rows in table */ + $numRows = count($table[ROWS]); + /* Get number of columns */ + $numCols = count($table[COL_NAMES]); + /* Current type for each column */ + $types = array(); + $sizes = array(); + + /* Initialize $sizes to all 0's */ + for ($i = 0; $i < $numCols; ++$i) { + $sizes[$i] = 0; + } + + /* Initialize $types to NONE */ + for ($i = 0; $i < $numCols; ++$i) { + $types[$i] = NONE; + } + + /* Temp vars */ + $curr_type = NONE; + + /* If the passed array is not of the correct form, do not process it */ + if (is_array($table) + && ! is_array($table[TBL_NAME]) + && is_array($table[COL_NAMES]) + && is_array($table[ROWS]) + ) { + /* Analyze each column */ + for ($i = 0; $i < $numCols; ++$i) { + /* Analyze the column in each row */ + for ($j = 0; $j < $numRows; ++$j) { + /* Determine type of the current cell */ + $curr_type = PMA_detectType($types[$i], $table[ROWS][$j][$i]); + /* Determine size of the current cell */ + $sizes[$i] = PMA_detectSize( + $sizes[$i], + $types[$i], + $curr_type, + $table[ROWS][$j][$i] + ); + + /** + * If a type for this column has already been declared, + * only alter it if it was a number and a varchar was found + */ + if ($curr_type != NONE) { + if ($curr_type == VARCHAR) { + $types[$i] = VARCHAR; + } else if ($curr_type == DECIMAL) { + if ($types[$i] != VARCHAR) { + $types[$i] = DECIMAL; + } + } else if ($curr_type == BIGINT) { + if ($types[$i] != VARCHAR && $types[$i] != DECIMAL) { + $types[$i] = BIGINT; + } + } else if ($curr_type == INT) { + if ($types[$i] != VARCHAR + && $types[$i] != DECIMAL + && $types[$i] != BIGINT + ) { + $types[$i] = INT; + } + } + } + } + } + + /* Check to ensure that all types are valid */ + $len = count($types); + for ($n = 0; $n < $len; ++$n) { + if (! strcmp(NONE, $types[$n])) { + $types[$n] = VARCHAR; + $sizes[$n] = '10'; + } + } + + return array($types, $sizes); + } else { + /** + * TODO: Handle this better + */ + + return false; + } +} + +/* Needed to quell the beast that is PMA_Message */ +$import_notice = null; + +/** + * Builds and executes SQL statements to create the database and tables + * as necessary, as well as insert all the data. + * + * @param string $db_name Name of the database + * @param array &$tables Array of tables for the specified database + * @param array &$analyses Analyses of the tables + * @param array &$additional_sql Additional SQL statements to be executed + * @param array $options Associative array of options + * + * @return void + * @access public + * + * @link http://wiki.phpmyadmin.net/pma/Import + */ +function PMA_buildSQL($db_name, &$tables, &$analyses = null, + &$additional_sql = null, $options = null +) { + /* Take care of the options */ + if (isset($options['db_collation'])&& ! is_null($options['db_collation'])) { + $collation = $options['db_collation']; + } else { + $collation = "utf8_general_ci"; + } + + if (isset($options['db_charset']) && ! is_null($options['db_charset'])) { + $charset = $options['db_charset']; + } else { + $charset = "utf8"; + } + + if (isset($options['create_db'])) { + $create_db = $options['create_db']; + } else { + $create_db = true; + } + + /* Create SQL code to handle the database */ + $sql = array(); + + if ($create_db) { + if (PMA_DRIZZLE) { + $sql[] = "CREATE DATABASE IF NOT EXISTS " . PMA_Util::backquote($db_name) + . " COLLATE " . $collation; + } else { + $sql[] = "CREATE DATABASE IF NOT EXISTS " . PMA_Util::backquote($db_name) + . " DEFAULT CHARACTER SET " . $charset . " COLLATE " . $collation; + } + } + + /** + * The calling plug-in should include this statement, + * if necessary, in the $additional_sql parameter + * + * $sql[] = "USE " . backquote($db_name); + */ + + /* Execute the SQL statements create above */ + $sql_len = count($sql); + for ($i = 0; $i < $sql_len; ++$i) { + PMA_importRunQuery($sql[$i], $sql[$i]); + } + + /* No longer needed */ + unset($sql); + + /* Run the $additional_sql statements supplied by the caller plug-in */ + if ($additional_sql != null) { + /* Clean the SQL first */ + $additional_sql_len = count($additional_sql); + + /** + * Only match tables for now, because CREATE IF NOT EXISTS + * syntax is lacking or nonexisting for views, triggers, + * functions, and procedures. + * + * See: http://bugs.mysql.com/bug.php?id=15287 + * + * To the best of my knowledge this is still an issue. + * + * $pattern = 'CREATE (TABLE|VIEW|TRIGGER|FUNCTION|PROCEDURE)'; + */ + $pattern = '/CREATE [^`]*(TABLE)/'; + $replacement = 'CREATE \\1 IF NOT EXISTS'; + + /* Change CREATE statements to CREATE IF NOT EXISTS to support + * inserting into existing structures + */ + for ($i = 0; $i < $additional_sql_len; ++$i) { + $additional_sql[$i] = preg_replace( + $pattern, + $replacement, + $additional_sql[$i] + ); + /* Execute the resulting statements */ + PMA_importRunQuery($additional_sql[$i], $additional_sql[$i]); + } + } + + if ($analyses != null) { + $type_array = array( + NONE => "NULL", + VARCHAR => "varchar", + INT => "int", + DECIMAL => "decimal", + BIGINT => "bigint", + GEOMETRY => 'geometry' + ); + + /* TODO: Do more checking here to make sure they really are matched */ + if (count($tables) != count($analyses)) { + exit(); + } + + /* Create SQL code to create the tables */ + $tempSQLStr = ""; + $num_tables = count($tables); + for ($i = 0; $i < $num_tables; ++$i) { + $num_cols = count($tables[$i][COL_NAMES]); + $tempSQLStr = "CREATE TABLE IF NOT EXISTS " . PMA_Util::backquote($db_name) + . '.' . PMA_Util::backquote($tables[$i][TBL_NAME]) . " ("; + for ($j = 0; $j < $num_cols; ++$j) { + $size = $analyses[$i][SIZES][$j]; + if ((int)$size == 0) { + $size = 10; + } + + $tempSQLStr .= PMA_Util::backquote($tables[$i][COL_NAMES][$j]) . " " + . $type_array[$analyses[$i][TYPES][$j]]; + if ($analyses[$i][TYPES][$j] != GEOMETRY) { + $tempSQLStr .= "(" . $size . ")"; + } + + if ($j != (count($tables[$i][COL_NAMES]) - 1)) { + $tempSQLStr .= ", "; + } + } + $tempSQLStr .= ")" + . (PMA_DRIZZLE ? "" : " DEFAULT CHARACTER SET " . $charset) + . " COLLATE " . $collation . ";"; + + /** + * Each SQL statement is executed immediately + * after it is formed so that we don't have + * to store them in a (possibly large) buffer + */ + PMA_importRunQuery($tempSQLStr, $tempSQLStr); + } + } + + /** + * Create the SQL statements to insert all the data + * + * Only one insert query is formed for each table + */ + $tempSQLStr = ""; + $col_count = 0; + $num_tables = count($tables); + for ($i = 0; $i < $num_tables; ++$i) { + $num_cols = count($tables[$i][COL_NAMES]); + $num_rows = count($tables[$i][ROWS]); + + $tempSQLStr = "INSERT INTO " . PMA_Util::backquote($db_name) . '.' + . PMA_Util::backquote($tables[$i][TBL_NAME]) . " ("; + + for ($m = 0; $m < $num_cols; ++$m) { + $tempSQLStr .= PMA_Util::backquote($tables[$i][COL_NAMES][$m]); + + if ($m != ($num_cols - 1)) { + $tempSQLStr .= ", "; + } + } + + $tempSQLStr .= ") VALUES "; + + for ($j = 0; $j < $num_rows; ++$j) { + $tempSQLStr .= "("; + + for ($k = 0; $k < $num_cols; ++$k) { + // If fully formatted SQL, no need to enclose + // with aphostrophes, add shalshes etc. + if ($analyses != null + && isset($analyses[$i][FORMATTEDSQL][$col_count]) + && $analyses[$i][FORMATTEDSQL][$col_count] == true + ) { + $tempSQLStr .= (string) $tables[$i][ROWS][$j][$k]; + } else { + if ($analyses != null) { + $is_varchar = ($analyses[$i][TYPES][$col_count] === VARCHAR); + } else { + $is_varchar = ! is_numeric($tables[$i][ROWS][$j][$k]); + } + + /* Don't put quotes around NULL fields */ + if (! strcmp($tables[$i][ROWS][$j][$k], 'NULL')) { + $is_varchar = false; + } + + $tempSQLStr .= (($is_varchar) ? "'" : ""); + $tempSQLStr .= PMA_Util::sqlAddSlashes( + (string) $tables[$i][ROWS][$j][$k] + ); + $tempSQLStr .= (($is_varchar) ? "'" : ""); + } + + if ($k != ($num_cols - 1)) { + $tempSQLStr .= ", "; + } + + if ($col_count == ($num_cols - 1)) { + $col_count = 0; + } else { + $col_count++; + } + + /* Delete the cell after we are done with it */ + unset($tables[$i][ROWS][$j][$k]); + } + + $tempSQLStr .= ")"; + + if ($j != ($num_rows - 1)) { + $tempSQLStr .= ",\n "; + } + + $col_count = 0; + /* Delete the row after we are done with it */ + unset($tables[$i][ROWS][$j]); + } + + $tempSQLStr .= ";"; + + /** + * Each SQL statement is executed immediately + * after it is formed so that we don't have + * to store them in a (possibly large) buffer + */ + PMA_importRunQuery($tempSQLStr, $tempSQLStr); + } + + /* No longer needed */ + unset($tempSQLStr); + + /** + * A work in progress + */ + + /* Add the viewable structures from $additional_sql + * to $tables so they are also displayed + */ + $view_pattern = '@VIEW `[^`]+`\.`([^`]+)@'; + $table_pattern = '@CREATE TABLE IF NOT EXISTS `([^`]+)`@'; + /* Check a third pattern to make sure its not a "USE `db_name`;" statement */ + + $regs = array(); + + $inTables = false; + + $additional_sql_len = count($additional_sql); + for ($i = 0; $i < $additional_sql_len; ++$i) { + preg_match($view_pattern, $additional_sql[$i], $regs); + + if (count($regs) == 0) { + preg_match($table_pattern, $additional_sql[$i], $regs); + } + + if (count($regs)) { + for ($n = 0; $n < $num_tables; ++$n) { + if (! strcmp($regs[1], $tables[$n][TBL_NAME])) { + $inTables = true; + break; + } + } + + if (! $inTables) { + $tables[] = array(TBL_NAME => $regs[1]); + } + } + + /* Reset the array */ + $regs = array(); + $inTables = false; + } + + $params = array('db' => (string)$db_name); + $db_url = 'db_structure.php' . PMA_generate_common_url($params); + $db_ops_url = 'db_operations.php' . PMA_generate_common_url($params); + + $message = '<br /><br />'; + $message .= '<strong>' . __('The following structures have either been created or altered. Here you can:') . '</strong><br />'; + $message .= '<ul><li>' . __("View a structure's contents by clicking on its name") . '</li>'; + $message .= '<li>' . __('Change any of its settings by clicking the corresponding "Options" link') . '</li>'; + $message .= '<li>' . __('Edit structure by following the "Structure" link') . '</li>'; + $message .= sprintf( + '<br /><li><a href="%s" title="%s">%s</a> (<a href="%s" title="%s">' . __('Options') . '</a>)</li>', + $db_url, + sprintf(__('Go to database: %s'), htmlspecialchars(PMA_Util::backquote($db_name))), + htmlspecialchars($db_name), + $db_ops_url, + sprintf(__('Edit settings for %s'), htmlspecialchars(PMA_Util::backquote($db_name))) + ); + + $message .= '<ul>'; + + unset($params); + + $num_tables = count($tables); + for ($i = 0; $i < $num_tables; ++$i) { + $params = array( + 'db' => (string) $db_name, + 'table' => (string) $tables[$i][TBL_NAME] + ); + $tbl_url = 'sql.php' . PMA_generate_common_url($params); + $tbl_struct_url = 'tbl_structure.php' . PMA_generate_common_url($params); + $tbl_ops_url = 'tbl_operations.php' . PMA_generate_common_url($params); + + unset($params); + + if (! PMA_Table::isView($db_name, $tables[$i][TBL_NAME])) { + $message .= sprintf( + '<li><a href="%s" title="%s">%s</a> (<a href="%s" title="%s">' . __('Structure') . '</a>) (<a href="%s" title="%s">' . __('Options') . '</a>)</li>', + $tbl_url, + sprintf(__('Go to table: %s'), htmlspecialchars(PMA_Util::backquote($tables[$i][TBL_NAME]))), + htmlspecialchars($tables[$i][TBL_NAME]), + $tbl_struct_url, + sprintf(__('Structure of %s'), htmlspecialchars(PMA_Util::backquote($tables[$i][TBL_NAME]))), + $tbl_ops_url, + sprintf(__('Edit settings for %s'), htmlspecialchars(PMA_Util::backquote($tables[$i][TBL_NAME]))) + ); + } else { + $message .= sprintf( + '<li><a href="%s" title="%s">%s</a></li>', + $tbl_url, + sprintf(__('Go to view: %s'), htmlspecialchars(PMA_Util::backquote($tables[$i][TBL_NAME]))), + htmlspecialchars($tables[$i][TBL_NAME]) + ); + } + } + + $message .= '</ul></ul>'; + + global $import_notice; + $import_notice = $message; + + unset($tables); +} + +?> |