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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| --TEST-- | ||
| LOB prefetching | ||
| --EXTENSIONS-- | ||
| oci8 | ||
| --SKIPIF-- | ||
| <?php | ||
| $target_dbs = array('oracledb' => true, 'timesten' => false); // test runs on these DBs | ||
| require(__DIR__.'/skipif.inc'); | ||
| ?> | ||
| --FILE-- | ||
| <?php | ||
|
|
||
| require __DIR__.'/connect.inc'; | ||
| require __DIR__.'/create_table.inc'; | ||
|
|
||
| define("NUMROWS", 500); | ||
| define("LOBSIZE", 64000); | ||
|
|
||
| $ora_sql = | ||
| "declare | ||
| c clob; | ||
| b blob; | ||
| numrows number := 500; | ||
| dest_offset integer := 1; | ||
| src_offset integer := 1; | ||
| warn integer; | ||
| ctx integer := dbms_lob.default_lang_ctx; | ||
| begin | ||
| for j in 1..numrows | ||
| loop | ||
| c := DBMS_RANDOM.string('L',TRUNC(DBMS_RANDOM.value(1000,1000))); | ||
| for i in 1..6 | ||
| loop | ||
| c := c||c; | ||
| end loop; | ||
| dbms_lob.createtemporary(b, false); | ||
| dbms_lob.converttoblob(b, c, dbms_lob.lobmaxsize, dest_offset, src_offset, dbms_lob.default_csid, ctx, warn); | ||
| insert /*+ APPEND */ into ${schema}${table_name} (id, clob, blob) values (j, c, b); | ||
| end loop; | ||
| commit; | ||
| end;"; | ||
|
|
||
| $statement = oci_parse($c,$ora_sql); | ||
| oci_execute($statement); | ||
|
|
||
|
|
||
| function get_clob_loc($c, $sql) { | ||
| $stid = oci_parse($c, $sql); | ||
| oci_execute($stid); | ||
| $l = []; | ||
| while (($row = oci_fetch_array($stid, OCI_ASSOC)) != false) { | ||
| $l[] = $row['CLOB']->load(); | ||
| $row['CLOB']->free(); | ||
| if (strlen($l[0]) != LOBSIZE) { print("strlen(l) failure" . strlen($l)); exit; } | ||
| } | ||
| return($l); | ||
| } | ||
|
|
||
| function get_clob_inline($c, $sql) { | ||
| $stid = oci_parse($c, $sql); | ||
| oci_execute($stid); | ||
| $l = []; | ||
| while (($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_LOBS)) != false) { | ||
| $l[] = $row['CLOB']; | ||
| if (strlen($l[0]) != LOBSIZE) { print("strlen(l) failure" . strlen($l)); exit; } | ||
| } | ||
| return($l); | ||
| } | ||
|
|
||
| function check_clobs($locarr, $inlinearr) { | ||
| print("Comparing CLOBS\n"); | ||
| for ($i = 0; $i < NUMROWS; ++$i) { | ||
| if (strlen($locarr[$i]) != LOBSIZE) { | ||
| trigger_error("size mismatch at $i " . strlen($locarr[$i]), E_USER_ERROR); | ||
| exit; | ||
| } | ||
| if (strcmp($locarr[$i], $inlinearr[$i])) { | ||
| trigger_error("data mismatch at $i " . strlen($locarr[$i]) . " " . strlen($inlinearr[$i]), E_USER_ERROR); | ||
| exit; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function get_blob_loc($c, $sql) { | ||
| $stid = oci_parse($c, $sql); | ||
| oci_execute($stid); | ||
| $l = []; | ||
| while (($row = oci_fetch_array($stid, OCI_ASSOC)) != false) { | ||
| $l[] = $row['BLOB']->load(); | ||
| $row['BLOB']->free(); | ||
| if (strlen($l[0]) != LOBSIZE) { print("strlen(l) failure" . strlen($l)); exit; } | ||
| } | ||
| return($l); | ||
| } | ||
|
|
||
|
|
||
| print("Test 1\n"); | ||
|
|
||
| $ig = ini_get("oci8.prefetch_lob_size"); | ||
| var_dump($ig); | ||
|
|
||
| $ig = ini_set("oci8.prefetch_lob_size", "100000"); | ||
| var_dump($ig); | ||
|
|
||
| $ig = ini_get("oci8.prefetch_lob_size"); | ||
| var_dump($ig); | ||
|
|
||
| print("Test 2 - CLOB prefetch_lob_size 100000\n"); | ||
|
|
||
| $sql = "select clob from ${schema}${table_name}" . " order by id"; | ||
| $locarr = get_clob_loc($c, $sql); | ||
| $inlinearr = get_clob_inline($c, $sql); | ||
|
|
||
| print(count($locarr) . "\n"); | ||
| print(count($inlinearr) . "\n"); | ||
| check_clobs($locarr, $inlinearr); | ||
|
|
||
| print("Test 3 - CLOB prefetch_lob_size 100\n"); | ||
|
|
||
| ini_set("oci8.prefetch_lob_size", "100"); | ||
| $ig = ini_get("oci8.prefetch_lob_size"); | ||
| var_dump($ig); | ||
|
|
||
| $locarr = get_clob_loc($c, $sql); | ||
| $inlinearr = get_clob_inline($c, $sql); | ||
|
|
||
| print(count($locarr) . "\n"); | ||
| print(count($inlinearr) . "\n"); | ||
| check_clobs($locarr, $inlinearr); | ||
|
|
||
| print("Test 4 - BLOB prefetch_lob_size 100000\n"); | ||
|
|
||
| ini_set("oci8.prefetch_lob_size", "100000"); | ||
| $ig = ini_get("oci8.prefetch_lob_size"); | ||
| var_dump($ig); | ||
|
|
||
| $sql = "select blob from ${schema}${table_name}" . " order by id"; | ||
| $locarr = get_blob_loc($c, $sql); | ||
|
|
||
| print(count($locarr) . "\n"); | ||
|
|
||
| require __DIR__.'/drop_table.inc'; | ||
|
|
||
| ?> | ||
| DONE | ||
| --EXPECTF-- | ||
| Test 1 | ||
| string(1) "0" | ||
| string(1) "0" | ||
| string(6) "100000" | ||
| Test 2 - CLOB prefetch_lob_size 100000 | ||
| 500 | ||
| 500 | ||
| Comparing CLOBS | ||
| Test 3 - CLOB prefetch_lob_size 100 | ||
| string(3) "100" | ||
| 500 | ||
| 500 | ||
| Comparing CLOBS | ||
| Test 4 - BLOB prefetch_lob_size 100000 | ||
| string(6) "100000" | ||
| 500 | ||
| DONE |
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