Fix variable declaration

implement mapping of :name to ? parameters for drivers that only support ?
placeholders.
The current restriction is that you may not use the same named parameter
more than one in a given

implement mapping of :name to ? parameters for drivers that only support ?
placeholders.
The current restriction is that you may not use the same named parameter
more than one in a given query, as there is a danger of scary things happen
with the zval if it gets bound multiple times.

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remove unused vars.

add input/output parameter type flag

add a caller_frees parameter to get_col() to allow drivers that need
to allocate data on demand to do so without worrying about cleaning it up.

Spec out how LOB parameters are returned.

better handling of pdo-level errors

This will probably fix PECL Bug #3273

Return lobs as strings for now

pass param type to quoter functions

Revise query parser so that it can rewrite from one bind syntax to another.
Expose it as PDO_API. No drivers utilize this feature yet.

don't propogate an unspecified length to the driver.
Drivers will used a 0 length as a hint that the parameter is an in-out or out
parameter.

leak/segv less

proto bool PDOStatement::nextRowset()

Advances to the next rowset in a multi-rowset statement handle. Returns true if
it succeded, false otherwise

Allow drivers to select bind emulation on a per statement basis

remove error and hook up rowCount

Tidy up driver specific method handling

API support for scrollable cursors

add theoretical support for returning ints as ints and bools as bools.
individual drivers need to support returning data in these formats.

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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more get_method signature changes

- TSRM Fix

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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Add rough cut at fetching meta data.

Implement empty-string-to-null conversion option for oracle compat.
This can be enabled using:
$dbh->setAttribute(PDO_ATTR_ORACLE_NULLS, true);

Added missing constant and correct bound column retrieval. When bound
columns are specified only return status (TRUE/FALSE) indicator.