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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Library that provides common import functions that are used by import plugins
*
* @version $Id$
* @package phpMyAdmin
*/
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);
/**
* Check 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)) {
$timeout_passed = TRUE;
return TRUE;
} else {
return FALSE;
}
}
/**
* Detects what compression filse uses
*
* @param string filename to check
* @return string MIME type of compression, none for none
* @access public
*/
function PMA_detectCompression($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.
*
* @uses $GLOBALS['finished'] read and write
* @param string query to run
* @param string query to display, this might be commented
* @param bool whether to use control user for queries
* @access public
*/
function PMA_importRunQuery($sql = '', $full = '', $controluser = false)
{
global $import_run_buffer, $go_sql, $complete_query, $display_query,
$sql_query, $my_die, $error, $reload,
$last_query_with_results,
$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']) != '') {
$max_sql_len = max($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('strNoDropDatabases');
$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 = $import_run_buffer['sql'];
} elseif ($run_query) {
if ($controluser) {
$result = PMA_query_as_controluser($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' => $import_run_buffer['full'], 'error' => PMA_DBI_getError());
if ($cfg['VerboseMultiSubmit']) {
$msg .= $GLOBALS['strError'];
}
if (!$cfg['IgnoreMultiSubmitErrors']) {
$error = TRUE;
return;
}
} elseif ($cfg['VerboseMultiSubmit']) {
$a_num_rows = (int)@PMA_DBI_num_rows($result);
$a_aff_rows = (int)@PMA_DBI_affected_rows();
if ($a_num_rows > 0) {
$msg .= $GLOBALS['strRows'] . ': ' . $a_num_rows;
$last_query_with_results = $import_run_buffer['sql'];
} elseif ($a_aff_rows > 0) {
$msg .= sprintf($GLOBALS['strRowsAffected'], $a_aff_rows);
} else {
$msg .= $GLOBALS['strEmptyResultSet'];
}
}
if (!$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 && preg_match('@^[\s]*USE[[:space:]]*([\S]+)@i', $import_run_buffer['sql'], $match)) {
$db = trim($match[1]);
$db = trim($db,';'); // for example, USE abc;
$reload = TRUE;
}
if ($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 && $run_query) {
if ($cfg['VerboseMultiSubmit'] && ! empty($sql_query)) {
if (strlen($sql_query) > 50000 || $executed_queries > 50 || $max_sql_len > 1000) {
$sql_query = '';
$sql_query_disabled = TRUE;
}
} else {
if (strlen($sql_query) > 10000 || $executed_queries > 10 || $max_sql_len > 500) {
$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']);
}
}
/**
* Returns next part of imported file/buffer
*
* @uses $GLOBALS['offset'] read and write
* @uses $GLOBALS['import_file'] read only
* @uses $GLOBALS['import_text'] read and write
* @uses $GLOBALS['finished'] read and write
* @uses $GLOBALS['read_limit'] read only
* @param integer size of buffer to read (this is maximal size
* function will return)
* @return string part of file/buffer
* @access public
*/
function PMA_importGetNextChunk($size = 32768)
{
global $compression, $import_handle, $charset_conversion, $charset_of_file,
$charset, $read_multiply;
// Add some progression while reading large amount of data
if ($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, $charset, $result);
} else {
/**
* Skip possible byte order marks (I do not think we need more
* charsets, but feel free to add more, you can use wikipedia for
* reference: <http://en.wikipedia.org/wiki/Byte_Order_Mark>)
*
* @todo BOM could be used for charset autodetection
*/
if ($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.
*
* @access public
*
* @uses chr()
* @param int $num
* @return string The column's "Excel" name
*/
function PMA_getColumnAlphaName($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.
*
* @access public
*
* @uses strtoupper()
* @uses strlen()
* @uses ord()
* @param string $name (i.e. "A", or "BC", etc.)
* @return int The column number
*/
function PMA_getColumnNumberFromName($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 += $number * pow(26,$i);
}
return $column_number;
} else {
return 0;
}
}
/**
* Constants definitions
*/
/* MySQL type defs */
define("NONE", 0);
define("VARCHAR", 1);
define("INT", 2);
define("DECIMAL", 3);
/* 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);
/**
* Obtains the precision (total # of digits) from a size of type decimal
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @access public
*
* @uses substr()
* @uses strpos()
* @param string $last_cumulative_size
* @return int Precision of the given decimal size notation
*/
function PMA_getM($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
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @access public
*
* @uses substr()
* @uses strpos()
* @uses strlen()
* @param string $last_cumulative_size
* @return int Scale of the given decimal size notation
*/
function PMA_getD($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
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @access public
*
* @uses strlen()
* @uses strpos()
* @param string &$cell
* @return array Contains the precision, scale, and full size representation of the given decimal cell
*/
function PMA_getDecimalSize(&$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
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @todo Handle the error cases more elegantly
*
* @access public
*
* @uses M
* @uses D
* @uses FULL
* @uses VARCHAR
* @uses DECIMAL
* @uses INT
* @uses NONE
* @uses strcmp()
* @uses strlen()
* @uses PMA_getM()
* @uses PMA_getD()
* @uses PMA_getDecimalSize()
* @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)
* @param int $curr_type Type of the current cell (NONE or VARCHAR or DECIMAL or INT)
* @param string &$cell The current cell
* @return string Size of the given cell in the type-appropriate format
*/
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 $last_cumulative_size;
}
/**
* What to do if the current cell is of type VARCHAR
*/
elseif ($curr_type == VARCHAR) {
/**
* The last cumlative type was VARCHAR
*/
if ($last_cumulative_type == VARCHAR) {
if ($curr_size >= $last_cumulative_size) {
return $curr_size;
} else {
return $last_cumulative_size;
}
}
/**
* The last cumlative type was DECIMAL
*/
elseif ($last_cumulative_type == DECIMAL) {
$oldM = PMA_getM($last_cumulative_size);
if ($curr_size >= $oldM) {
return $curr_size;
} else {
return $oldM;
}
}
/**
* The last cumlative type was INT
*/
elseif ($last_cumulative_type == INT) {
if ($curr_size >= $last_cumulative_size) {
return $curr_size;
} else {
return $last_cumulative_size;
}
}
/**
* This is the first row to be analyzed
*/
elseif (! isset($last_cumulative_type) || $last_cumulative_type == NONE) {
return $curr_size;
}
/**
* An error has DEFINITELY occurred
*/
else {
/**
* TODO: Handle this MUCH more elegantly
*/
return -1;
}
}
/**
* What to do if the current cell is of type DECIMAL
*/
elseif ($curr_type == DECIMAL) {
/**
* The last cumlative 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 $last_cumulative_size;
}
}
/**
* The last cumlative type was DECIMAL
*/
elseif ($last_cumulative_type == 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 $last_cumulative_size;
}
}
/**
* The last cumlative type was INT
*/
elseif ($last_cumulative_type == 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.",".$size[D]);
}
}
/**
* This is the first row to be analyzed
*/
elseif (! isset($last_cumulative_type) || $last_cumulative_type == NONE) {
/* First row of the column */
$size = PMA_getDecimalSize($cell);
return $size[FULL];
}
/**
* An error has DEFINITELY occurred
*/
else {
/**
* TODO: Handle this MUCH more elegantly
*/
return -1;
}
}
/**
* What to do if the current cell is of type INT
*/
elseif ($curr_type == INT) {
/**
* The last cumlative type was VARCHAR
*/
if ($last_cumulative_type == VARCHAR) {
if ($curr_size >= $last_cumulative_size) {
return $curr_size;
} else {
return $last_cumulative_size;
}
}
/**
* The last cumlative type was DECIMAL
*/
elseif ($last_cumulative_type == 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) . "," . $oldD);
}
}
/**
* The last cumlative type was INT
*/
elseif ($last_cumulative_type == INT) {
if ($curr_size >= $last_cumulative_size) {
return $curr_size;
} else {
return $last_cumulative_size;
}
}
/**
* This is the first row to be analyzed
*/
elseif (!isset($last_cumulative_type) || $last_cumulative_type == NONE) {
return $curr_size;
}
/**
* An error has DEFINITELY occurred
*/
else {
/**
* TODO: Handle this MUCH more elegantly
*/
return -1;
}
}
/**
* An error has DEFINITELY occurred
*/
else {
/**
* TODO: Handle this MUCH more elegantly
*/
return -1;
}
}
/**
* Determines what MySQL type a cell is
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @access public
*
* @uses DECIMAL
* @uses INT
* @uses VARCHAR
* @uses NONE
* @uses is_numeric()
* @uses strcmp()
* @uses strpos()
* @uses substr_count()
* @param int $last_cumulative_type Last cumulative column type (VARCHAR or INT or DECIMAL or NONE)
* @param string &$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 DECIMAL or NONE)
*/
function PMA_detectType($last_cumulative_type, &$cell) {
/**
* If numeric, determine if decimal or int
* 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 {
return INT;
}
} else {
return VARCHAR;
}
}
/**
* Determines if the column types are int, decimal, or string
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @link http://wiki.phpmyadmin.net/pma/Devel:Import
*
* @todo Handle the error case more elegantly
*
* @access public
*
* @uses TBL_NAME
* @uses COL_NAMES
* @uses ROWS
* @uses VARCHAR
* @uses DECIMAL
* @uses INT
* @uses NONE
* @uses count()
* @uses is_array()
* @uses PMA_detectType()
* @uses PMA_detectSize()
* @param &$table array(string $table_name, array $col_names, array $rows)
* @return array array(array $types, array $sizes)
*/
function PMA_analyzeTable(&$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;
$curr_size = 0;
/* If the passed array is not of the correct form, do not process it */
if (is_array($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][$i]);
/**
* If a type for this column has alreday been delcared,
* only alter it if it was a number and a varchar was found
*/
if ($curr_type != NONE) {
if ($curr_type == VARCHAR) {
$types[$i] = VARCHAR;
} else if ($curr_type == DECIMAL) {
if ($types[$i] != VARCHAR) {
$types[$i] = DECIMAL;
}
} else if ($curr_type == INT) {
if ($types[$i] != VARCHAR && $types[$i] != DECIMAL) {
$types[$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.
*
* @author Derek Schaefer (derek.schaefer@gmail.com)
*
* @link http://wiki.phpmyadmin.net/pma/Devel:Import
*
* @access public
*
* @uses TBL_NAME
* @uses COL_NAMES
* @uses ROWS
* @uses TYPES
* @uses SIZES
* @uses strcmp()
* @uses count()
* @uses preg_match()
* @uses preg_replace()
* @uses PMA_isView()
* @uses PMA_backquote()
* @uses PMA_importRunQuery()
* @uses PMA_generate_common_url()
* @uses PMA_Message::notice()
* @param string $db_name Name of the database
* @param array &$tables Array of tables for the specified database
* @param array &$analyses = NULL Analyses of the tables
* @param array &$additional_sql = NULL Additional SQL statements to be executed
* @param array $options = NULL Associative array of options
* @return void
*/
function PMA_buildSQL($db_name, &$tables, &$analyses = NULL, &$additional_sql = NULL, $options = NULL) {
/* Take care of the options */
if (isset($options['db_collation'])) {
$collation = $options['db_collation'];
} else {
$collation = "utf8_general_ci";
}
if (isset($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) {
$sql[] = "CREATE DATABASE IF NOT EXISTS " . PMA_backquote($db_name) . " DEFAULT CHARACTER SET " . $charset . " COLLATE " . $collation;
}
/**
* The calling plug-in should include this statement, if necessary, in the $additional_sql parameter
*
* $sql[] = "USE " . PMA_backquote($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) {
$type_array = array(NONE => "NULL", VARCHAR => "varchar", INT => "int", DECIMAL => "decimal");
/* TODO: Do more checking here to make sure they really are matched */
if (count($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]);
$tempSQLStr = "CREATE TABLE IF NOT EXISTS " . PMA_backquote($db_name) . '.' . PMA_backquote($tables[$i][TBL_NAME]) . " (";
for ($j = 0; $j < $num_cols; ++$j) {
$size = $analyses[$i][SIZES][$j];
if ((int)$size == 0) {
$size = 10;
}
$tempSQLStr .= PMA_backquote($tables[$i][COL_NAMES][$j]) . " " . $type_array[$analyses[$i][TYPES][$j]] . "(" . $size . ")";
if ($j != (count($tables[$i][COL_NAMES]) - 1)) {
$tempSQLStr .= ", ";
}
}
$tempSQLStr .= ") ENGINE=MyISAM 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]);
$tempSQLStr = "INSERT INTO " . PMA_backquote($db_name) . '.' . PMA_backquote($tables[$i][TBL_NAME]) . " (";
for ($m = 0; $m < $num_cols; ++$m) {
$tempSQLStr .= PMA_backquote($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 ($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) ? "'" : "");
$tempSQLStr .= PMA_sqlAddslashes((string)$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>' . $GLOBALS['strImportNoticePt1'] . '</strong><br />';
$message .= '<ul><li>' . $GLOBALS['strImportNoticePt2'] . '</li>';
$message .= '<li>' . $GLOBALS['strImportNoticePt3'] . '</li>';
$message .= '<li>' . $GLOBALS['strImportNoticePt4'] . '</li>';
$message .= sprintf('<br /><li><a href="%s" title="%s">%s</a> (<a href="%s" title="%s">' . $GLOBALS['strOptions'] . '</a>)</li>',
$db_url,
$GLOBALS['strGoToDatabase'] . ': ' . PMA_backquote($db_name),
$db_name,
$db_ops_url,
$GLOBALS['strEdit'] . ' ' . PMA_backquote($db_name) . ' ' . $GLOBALS['strSettings']);
$message .= '<ul>';
unset($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($params);
if (! PMA_isView($db_name, $tables[$i][TBL_NAME])) {
$message .= sprintf('<li><a href="%s" title="%s">%s</a> (<a href="%s" title="%s">' . $GLOBALS['strStructure'] . '</a>) (<a href="%s" title="%s">' . $GLOBALS['strOptions'] . '</a>)</li>',
$tbl_url,
$GLOBALS['strGoToTable'] . ': ' . PMA_backquote($tables[$i][TBL_NAME]),
$tables[$i][TBL_NAME],
$tbl_struct_url,
PMA_backquote($tables[$i][TBL_NAME]) . ' ' . $GLOBALS['strStructureLC'],
$tbl_ops_url,
$GLOBALS['strEdit'] . ' ' . PMA_backquote($tables[$i][TBL_NAME]) . ' ' . $GLOBALS['strSettings']);
} else {
$message .= sprintf('<li><a href="%s" title="%s">%s</a></li>',
$tbl_url,
$GLOBALS['strGoToView'] . ': ' . PMA_backquote($tables[$i][TBL_NAME]),
$tables[$i][TBL_NAME]);
}
}
$message .= '</ul></ul>';
global $import_notice;
$import_notice = $message;
unset($tables);
}
?>
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