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MFH: nuke php3 legacy

Fix Bug #34687; error information from query() not passed back

- MFH PDOException base

Declare functions used by driver as PDO_API in php_pdo_driver.h

fix build (declare extern HashTable pdo_driver_hash)

- Simplify code (only implement handlers that are necessary)
- Fix handling of read only property 'queryString'
- Fix overloading
- Move class init code to their defining .c files for sim

- Simplify code (only implement handlers that are necessary)
- Fix handling of read only property 'queryString'
- Fix overloading
- Move class init code to their defining .c files for simplification
- Mark class PDORow as final until there's a need to inherit this and
someone implements the handlers correct then.

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- Fix warnings by doing it the Zend way

prep package file for release.
fix my favourite typo.
fix compile warnings

- Allow to derive PDOStatement
- Verify fetch modes
- Add last fetch mode PDO_FETCH_FUNC (only valid inside fetchAll()) that
allows to completley customize the way data is treated on th

- Allow to derive PDOStatement
- Verify fetch modes
- Add last fetch mode PDO_FETCH_FUNC (only valid inside fetchAll()) that
allows to completley customize the way data is treated on the fly

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better handling of pdo-level errors

don't raise errors for the no-error case

API support for scrollable cursors

implement SQLSTATE style error codes.
Allow drivers to add methods to dbh and stmt objects
(note that we can't use a class, because the use only sees the PDO class).
Clarify the api sligh

implement SQLSTATE style error codes.
Allow drivers to add methods to dbh and stmt objects
(note that we can't use a class, because the use only sees the PDO class).
Clarify the api slightly:
PDO::exec() is used for one-shot queries that don't return rows
PDO::query() is a convenience function for returning a rowset without
having to go through the steps of preparing and executing.

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don't blow up under HEAD

Synopsis:

PDOStatement::setFetchMode()
reset default fetch() mode for a statement to PDO_FETCH_BOTH

PDOStatement::setFetchMode(PDO_FETCH_NUM)
PDOStatement::setFetchM

Synopsis:

PDOStatement::setFetchMode()
reset default fetch() mode for a statement to PDO_FETCH_BOTH

PDOStatement::setFetchMode(PDO_FETCH_NUM)
PDOStatement::setFetchMode(PDO_FETCH_ASSOC)
PDOStatement::setFetchMode(PDO_FETCH_BOTH)
PDOStatement::setFetchMode(PDO_FETCH_OBJ)
set default fetch() mode for a statement.

PDOStatement::setFetchMode(PDO_FETCH_COLUMN, int colno)
set default fetch() mode to retrieve colno-th column on each fetch() call.

PDOStatement::setFetchMode(PDO_FETCH_CLASS, string classname [, array ctor args])
set default fetch() mode to create an instance of classname,
calling it's ctor, passing the optional ctor args.
The names of the columns in the result set will be used as property names on
the object instance. PPP rules apply.

[NOTE: calling ctor is not yet implemented]
[TODO: this might crash PHP for persistent PDO handles]

PDOStatement::setFetchMode(PDO_FETCH_INTO, object obj)
Similar to PDO_FETCH_CLASS, except that each iteration will update the
supplied object properties.

[TODO: this might crash PHP for persistent PDO handles]

The default fetch() mode is used when no parameters are passed to
PDOStatement::fetch(). When using a statement in an iterator context,
PDOStatement::fetch() is called implicitly on each iteration.

object PDO::queryAndIterate(string sql, <PDOStatement::setFetchMode args>)
This is semantically equivalent to:

$stmt = $pdo->prepare($sql);
$stmt->execute();
$stmt->setFetchMode($args);
return $stmt;


Example/Intended usage:

/* fetch an array with numeric and string keys */
foreach ($pdo->queryAndIterate("select NAME, VALUE from test") as $row) {
debug_zval_dump($row);
}

/* fetch the value of column 1 into $row on each iteration */
foreach ($pdo->queryAndIterate("select NAME, VALUE from test",
PDO_FETCH_COLUMN, 1) as $row) {
debug_zval_dump($row); // string(3) "foo"
}

/* create a new instance of class Foo on each iteration */
foreach ($pdo->queryAndIterate("select NAME, VALUE from test",
PDO_FETCH_CLASS, 'Foo') as $row) {
debug_zval_dump($row);
/*
Object(Foo)#4 (2) refcount(2){
["NAME"]=>
string(12) "foo220051429" refcount(2)
["VALUE"]=>
string(12) "bar789825748" refcount(2)
}
*/
}

etc.

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Implement persistent connections
$dbh->exec --> $dbh->query

Version 1 of PDO_FETCH_LAZY

Enable setting the different error modes via PDO::setAttribute()

First cut at a "unified" error handling API. The main thing that is missing
currently is a switch in the dbh to indicate what to do with the errors.

Some pedantic fixes for gcc.

Hello PDO.

Still more to come. Give it a couple of days before starting to write drivers
for the other databases; a few things might change, so I'd like to coordinate
that, but in a

Hello PDO.

Still more to come. Give it a couple of days before starting to write drivers
for the other databases; a few things might change, so I'd like to coordinate
that, but in a couple of days.

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