Commit bd458d7618e941463d9203fc2e350fcf266eba90
1 parent
9bb26895
Import SQL commands from a file, splitting into separate SQL statements.
git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@3352 c91229c3-7414-0410-bfa2-8a42b809f60b
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lib/database/sqlfile.inc.php
0 → 100644
| 1 | +<?php | |
| 2 | + | |
| 3 | +class SQLFile { | |
| 4 | + function sqlFromFile($path) { | |
| 5 | + return SQLFile::splitSQL(file_get_contents($path)); | |
| 6 | + } | |
| 7 | + | |
| 8 | + function splitSQL($sql) { | |
| 9 | + $instring = false; | |
| 10 | + $i = 0; | |
| 11 | + $remaining = $sql; | |
| 12 | + $query = ""; | |
| 13 | + $aQueries = array(); | |
| 14 | + | |
| 15 | + $strlen = strlen($sql); | |
| 16 | + | |
| 17 | + for ($i = 0; $i < $strlen; $i++) { | |
| 18 | + $c = $remaining[$i]; | |
| 19 | + if ($c === ";") { | |
| 20 | + $query .= substr($remaining, 0, $i + 1); | |
| 21 | + $aQueries[] = $query; | |
| 22 | + $query = ""; | |
| 23 | + $remaining = trim(substr($remaining, $i + 1)); | |
| 24 | + $i = 0; | |
| 25 | + $strlen = strlen($remaining); | |
| 26 | + continue; | |
| 27 | + } | |
| 28 | + if ($c === "`") { | |
| 29 | + $next = strpos($remaining, "`", $i); | |
| 30 | + if ($next === false) { | |
| 31 | + $query .= $remaining; | |
| 32 | + $aQueries[] = $query; | |
| 33 | + return $aQueries; | |
| 34 | + } | |
| 35 | + $query .= substr($remaining, 0, $next); | |
| 36 | + $remaining = substr($remaining, $next); | |
| 37 | + $i = 0; | |
| 38 | + $strlen = strlen($remaining); | |
| 39 | + continue; | |
| 40 | + } | |
| 41 | + if (($c === "'") || ($c === '"')) { | |
| 42 | + $stringchar = $c; | |
| 43 | + $notfound = true; | |
| 44 | + | |
| 45 | + while ($notfound) { | |
| 46 | + $next = strpos($remaining, $stringchar, $i + 1); | |
| 47 | + if ($next === false) { | |
| 48 | + $query .= $remaining; | |
| 49 | + $aQueries[] = $query; | |
| 50 | + return $aQueries; | |
| 51 | + } | |
| 52 | + $i = $next + 1; | |
| 53 | + $quotes = true; | |
| 54 | + $b = 1; | |
| 55 | + while ($remaining[$next - $b] === "\\") { | |
| 56 | + $quotes = !$quotes; | |
| 57 | + $b++; | |
| 58 | + } | |
| 59 | + if ($quotes) { | |
| 60 | + $notfound = false; | |
| 61 | + } | |
| 62 | + } | |
| 63 | + $query .= substr($remaining, 0, $next); | |
| 64 | + $remaining = substr($remaining, $next); | |
| 65 | + $i = 0; | |
| 66 | + $strlen = strlen($remaining); | |
| 67 | + continue; | |
| 68 | + } | |
| 69 | + | |
| 70 | + $nextdelim = SQLFile::_nextDelim($remaining); | |
| 71 | + if ($nextdelim === false) { | |
| 72 | + $query .= $remaining; | |
| 73 | + $aQueries[] = $query; | |
| 74 | + return $aQueries; | |
| 75 | + } | |
| 76 | + // $query .= substr($remaining, 0, $nextdelim); | |
| 77 | + } | |
| 78 | + return $aQueries; | |
| 79 | + } | |
| 80 | + | |
| 81 | + function _nextDelim($string) { | |
| 82 | + $q = strpos($string, "'"); | |
| 83 | + $d = strpos($string, '"'); | |
| 84 | + $b = strpos($string, "`"); | |
| 85 | + $s = strpos($string, ";"); | |
| 86 | + | |
| 87 | + $min = false; | |
| 88 | + foreach (array($q, $d, $b, $s) as $c) { | |
| 89 | + if ($min === false) { | |
| 90 | + $min = $c; | |
| 91 | + continue; | |
| 92 | + } | |
| 93 | + if ($c === false) { | |
| 94 | + continue; | |
| 95 | + } | |
| 96 | + if ($c < $min) { | |
| 97 | + $min = $c; | |
| 98 | + continue; | |
| 99 | + } | |
| 100 | + } | |
| 101 | + return $min; | |
| 102 | + } | |
| 103 | +} | |
| 104 | + | |
| 105 | +?> | ... | ... |