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[2007-11-11 14:24 UTC] hp-php dot net at oeri dot ch
Description:
------------
Executing (prepared or directly) an "INSERT ... RETURNING" throws an exception
Reproduce code:
---------------
<?php
$pdo = new PDO( 'firebird:dbname=localhost:devel', 'devel', 'devel' );
$pdo->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );
// VARIANT A: ORDINARY INSERT
$stmt = $pdo->query( 'INSERT INTO "a" ("data") VALUES (2500)' );
echo "Variant 'A': done";
// VARIANT B: RETURNING INSERT
$stmt = $pdo->query( 'INSERT INTO "a" ("data") VALUES (2500) RETURNING "data"' );
$res = $stmt->fetchAll( PDO::FETCH_ASSOC );
print_r( $res );
echo "Variant 'B': done";
?>
Expected result:
----------------
Variant 'A': done
Variant 'B': done
(Both statements executed)
Actual result:
--------------
Variant 'A': done<br />
<b>Fatal error</b>: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]: General error: -804 Dynamic SQL Error SQL error code = -804 Incorrect values within SQLDA structure ' in PHPDocument4:11
Stack trace:
#0 PHPDocument4(11): PDO->query('INSERT INTO "a"...')
#1 /var/www/devel/htdocs/dummy.php(1): include('PHPDocument4')
#2 {main}
thrown in <b>PHPDocument4</b> on line <b>11</b><br />
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Last updated: Mon Jun 02 18:01:26 2025 UTC |
Although I'm not a C master, I've looked through the code and found: pdo_statement.c: /* an EXECUTE PROCEDURE statement can be fetched from once, without calling the API, because * the result was returned in the execute call */ That's totally contrary to the docs and source of this bug. As it is, RETURNING querys get classified as "procedures". Cleaning pdo_statement.c of this "special" behaviour, solves the bug! Below, you find a minimally intrusive patch (as I don't know how to attach in here): diff -u php5-orig/ext/pdo_firebird/firebird_statement.c php5/ext/pdo_firebird/firebird_statement.c --- php5-orig/ext/pdo_firebird/firebird_statement.c 2007-11-12 16:59:34.000000000 +0100 +++ php5/ext/pdo_firebird/firebird_statement.c 2007-11-12 16:58:46.000000000 +0100 @@ -99,11 +99,15 @@ /* assume all params have been bound */ +#if 0 if ((S->statement_type == isc_info_sql_stmt_exec_procedure && isc_dsql_execute2(H->isc_status, &H->tr, &S->stmt, PDO_FB_SQLDA_VERSION, S->in_sqlda, &S->out_sqlda)) || isc_dsql_execute(H->isc_status, &H->tr, &S->stmt, PDO_FB_SQLDA_VERSION, S->in_sqlda)) { +#else + if (isc_dsql_execute(H->isc_status, &H->tr, &S->stmt, PDO_FB_SQLDA_VERSION, S->in_sqlda)) { +#endif break; } @@ -138,9 +142,11 @@ /* an EXECUTE PROCEDURE statement can be fetched from once, without calling the API, because * the result was returned in the execute call */ +#if 0 if (S->statement_type == isc_info_sql_stmt_exec_procedure) { S->exhausted = 1; } else { +#endif if (isc_dsql_fetch(H->isc_status, &S->stmt, PDO_FB_SQLDA_VERSION, &S->out_sqlda)) { if (H->isc_status[0] && H->isc_status[1]) { RECORD_ERROR(stmt); @@ -148,7 +154,9 @@ S->exhausted = 1; return 0; } +#if 0 } +#endif return 1; } return 0;