1--TEST-- 2Bug #43497 (OCI8 XML/getClobVal aka temporary LOBs leak UGA memory) 3--EXTENSIONS-- 4oci8 5--SKIPIF-- 6<?php 7require_once 'skipifconnectfailure.inc'; 8$target_dbs = array('oracledb' => true, 'timesten' => false); // test runs on these DBs 9require __DIR__.'/skipif.inc'; 10if (getenv('SKIP_SLOW_TESTS')) die('skip slow tests excluded by request'); 11?> 12--FILE-- 13<?php 14 15require __DIR__.'/connect.inc'; 16 17function sessionid($c) // determines and returns current session ID 18{ 19 $query = "select sid from v\$session where audsid = userenv('sessionid')"; 20 21 $stmt = oci_parse($c, $query); 22 23 if (oci_execute($stmt, OCI_DEFAULT)) { 24 $row = oci_fetch($stmt); 25 return oci_result($stmt, 1); 26 } 27 28 return null; 29} 30 31 32function templobs($c, $sid) // returns number of temporary LOBs 33{ 34 $query = "select abstract_lobs from v\$temporary_lobs where sid = " . $sid; 35 36 $stmt = oci_parse($c, $query); 37 38 if (oci_execute($stmt, OCI_DEFAULT)) { 39 $row = oci_fetch($stmt); 40 $val = oci_result($stmt, 1); 41 oci_free_statement($stmt); 42 return $val; 43 } 44 return null; 45} 46 47 48// Read all XML data using explicit LOB locator 49function readxmltab_ex($c) 50{ 51 $stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab"); 52 53 $cntchk = 0; 54 if (oci_execute($stmt)) { 55 while ($result = oci_fetch_array($stmt, OCI_NUM)) { 56 $result[0]->free(); // cleanup properly 57 ++$cntchk; 58 } 59 } 60 echo "Loop count check = $cntchk\n"; 61} 62 63// Read all XML data using explicit LOB locator but without freeing the temp lobs 64function readxmltab_ex_nofree($c) 65{ 66 $stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab"); 67 68 $cntchk = 0; 69 if (oci_execute($stmt)) { 70 while ($result = oci_fetch_array($stmt, OCI_NUM)) { 71 ++$cntchk; 72 } 73 } 74 echo "Loop count check = $cntchk\n"; 75} 76 77// Read all XML data using implicit LOB locator 78function readxmltab_im($c) 79{ 80 $stmt = oci_parse($c, "select extract(xml, '/').getclobval() from bug43497_tab"); 81 82 $cntchk = 0; 83 if (oci_execute($stmt)) { 84 while ($result = oci_fetch_array($stmt, OCI_NUM+OCI_RETURN_LOBS)) { 85 ++$cntchk; 86 } 87 } 88 echo "Loop count check = $cntchk\n"; 89} 90 91function createxmltab($c) // create table w/ field of XML type 92{ 93 @dropxmltab($c); 94 $stmt = oci_parse($c, "create table bug43497_tab (id number primary key, xml xmltype)"); 95 oci_execute($stmt); 96} 97 98function dropxmltab($c) // delete table 99{ 100 $stmt = oci_parse($c, "drop table bug43497_tab"); 101 oci_execute($stmt); 102} 103 104 105function fillxmltab($c) 106{ 107 for ($id = 1; $id <= 100; $id++) { 108 109 // create an XML element string with random data 110 $s = "<data>"; 111 for ($j = 0; $j < 128; $j++) { 112 $s .= rand(); 113 } 114 $s .= "</data>\n"; 115 for ($j = 0; $j < 4; $j++) { 116 $s .= $s; 117 } 118 $data = "<?xml version=\"1.0\"?><records>" . $s . "</records>"; 119 120 // insert XML data into database 121 122 $stmt = oci_parse($c, "insert into bug43497_tab(id, xml) values (:id, sys.xmltype.createxml(:xml))"); 123 oci_bind_by_name($stmt, ":id", $id); 124 $clob = oci_new_descriptor($c, OCI_D_LOB); 125 oci_bind_by_name($stmt, ":xml", $clob, -1, OCI_B_CLOB); 126 $clob->writeTemporary($data); 127 oci_execute($stmt); 128 129 $clob->close(); 130 $clob->free(); 131 } 132} 133 134 135// Initialize 136 137createxmltab($c); 138fillxmltab($c); 139 140// Run Test 141 142$sid = sessionid($c); 143 144echo "Explicit LOB use\n"; 145for ($i = 1; $i <= 10; $i++) { 146 echo "\nRun = " . $i . "\n"; 147 echo "Temporary LOBs = " . templobs($c, $sid) . "\n"; 148 readxmltab_ex($c); 149} 150 151echo "\nImplicit LOB use\n"; 152for ($i = 1; $i <= 10; $i++) { 153 echo "\nRun = " . $i . "\n"; 154 echo "Temporary LOBs = " . templobs($c, $sid) . "\n"; 155 readxmltab_im($c); 156} 157 158echo "\nExplicit LOB with no free\n"; 159for ($i = 1; $i <= 10; $i++) { 160 echo "\nRun = " . $i . "\n"; 161 echo "Temporary LOBs = " . templobs($c, $sid) . "\n"; 162 readxmltab_ex_nofree($c); 163} 164 165 166 167// Cleanup 168 169dropxmltab($c); 170 171oci_close($c); 172 173echo "Done\n"; 174?> 175--EXPECT-- 176Explicit LOB use 177 178Run = 1 179Temporary LOBs = 0 180Loop count check = 100 181 182Run = 2 183Temporary LOBs = 0 184Loop count check = 100 185 186Run = 3 187Temporary LOBs = 0 188Loop count check = 100 189 190Run = 4 191Temporary LOBs = 0 192Loop count check = 100 193 194Run = 5 195Temporary LOBs = 0 196Loop count check = 100 197 198Run = 6 199Temporary LOBs = 0 200Loop count check = 100 201 202Run = 7 203Temporary LOBs = 0 204Loop count check = 100 205 206Run = 8 207Temporary LOBs = 0 208Loop count check = 100 209 210Run = 9 211Temporary LOBs = 0 212Loop count check = 100 213 214Run = 10 215Temporary LOBs = 0 216Loop count check = 100 217 218Implicit LOB use 219 220Run = 1 221Temporary LOBs = 0 222Loop count check = 100 223 224Run = 2 225Temporary LOBs = 0 226Loop count check = 100 227 228Run = 3 229Temporary LOBs = 0 230Loop count check = 100 231 232Run = 4 233Temporary LOBs = 0 234Loop count check = 100 235 236Run = 5 237Temporary LOBs = 0 238Loop count check = 100 239 240Run = 6 241Temporary LOBs = 0 242Loop count check = 100 243 244Run = 7 245Temporary LOBs = 0 246Loop count check = 100 247 248Run = 8 249Temporary LOBs = 0 250Loop count check = 100 251 252Run = 9 253Temporary LOBs = 0 254Loop count check = 100 255 256Run = 10 257Temporary LOBs = 0 258Loop count check = 100 259 260Explicit LOB with no free 261 262Run = 1 263Temporary LOBs = 0 264Loop count check = 100 265 266Run = 2 267Temporary LOBs = 0 268Loop count check = 100 269 270Run = 3 271Temporary LOBs = 0 272Loop count check = 100 273 274Run = 4 275Temporary LOBs = 0 276Loop count check = 100 277 278Run = 5 279Temporary LOBs = 0 280Loop count check = 100 281 282Run = 6 283Temporary LOBs = 0 284Loop count check = 100 285 286Run = 7 287Temporary LOBs = 0 288Loop count check = 100 289 290Run = 8 291Temporary LOBs = 0 292Loop count check = 100 293 294Run = 9 295Temporary LOBs = 0 296Loop count check = 100 297 298Run = 10 299Temporary LOBs = 0 300Loop count check = 100 301Done 302
