/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2009 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Stig Sæther Bakken <ssb@php.net>                            |
   |          Thies C. Arntzen <thies@thieso.net>                         |
   |                                                                      |
   | Collection support by Andy Sautins <asautins@veripost.net>           |
   | Temporary LOB support by David Benson <dbenson@mancala.com>          |
   | ZTS per process OCIPLogon by Harald Radi <harald.radi@nme.at>        |
   |                                                                      |
   | Redesigned by: Antony Dovgal <antony@zend.com>                       |
   |                Andi Gutmans <andi@zend.com>                          |
   |                Wez Furlong <wez@omniti.com>                          |
   +----------------------------------------------------------------------+
*/

/* $Id: oci8_collection.c,v 1.5.2.3.2.7.2.7 2008/12/31 11:15:39 sebastian Exp $ */



#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"

#if HAVE_OCI8

#include "php_oci8.h"
#include "php_oci8_int.h"

/* {{{ php_oci_collection_create()
 Create and return connection handle */
php_oci_collection * php_oci_collection_create(php_oci_connection *connection, char *tdo, int tdo_len, char *schema, int schema_len TSRMLS_DC)
{	
	dvoid *dschp1 = NULL;
	dvoid *parmp1;
	dvoid *parmp2;
	php_oci_collection *collection;
	
	collection = emalloc(sizeof(php_oci_collection));

	collection->connection = connection;
	collection->collection = NULL;
	zend_list_addref(collection->connection->rsrc_id);

	/* get type handle by name */
	PHP_OCI_CALL_RETURN(connection->errcode, OCITypeByName,
			(
			 connection->env,
			 connection->err,
			 connection->svc,
			 (text *) schema,
			 (ub4) schema_len,
			 (text *) tdo,
			 (ub4) tdo_len,
			 (CONST text *) 0,
			 (ub4) 0,
			 OCI_DURATION_SESSION,
			 OCI_TYPEGET_ALL,
			 &(collection->tdo)
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	/* allocate describe handle */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIHandleAlloc, (connection->env, (dvoid **) &dschp1, (ub4) OCI_HTYPE_DESCRIBE, (size_t) 0, (dvoid **) 0));

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	/* describe TDO */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIDescribeAny,
			(
			 connection->svc,
			 connection->err,
			 (dvoid *) collection->tdo,
			 (ub4) 0,
			 OCI_OTYPE_PTR,
			 (ub1) OCI_DEFAULT,
			 (ub1) OCI_PTYPE_TYPE,
			 dschp1
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	/* get first parameter handle */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIAttrGet, ((dvoid *) dschp1, (ub4) OCI_HTYPE_DESCRIBE, (dvoid *)&parmp1, (ub4 *)0, (ub4)OCI_ATTR_PARAM,	connection->err));

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	/* get the collection type code of the attribute */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIAttrGet,
			(
			 (dvoid*) parmp1,
			 (ub4) OCI_DTYPE_PARAM,
			 (dvoid*) &(collection->coll_typecode),
			 (ub4 *) 0,
			 (ub4) OCI_ATTR_COLLECTION_TYPECODE,
			 connection->err
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	switch(collection->coll_typecode) {
		case OCI_TYPECODE_TABLE:
		case OCI_TYPECODE_VARRAY:
			/* get collection element handle */
			PHP_OCI_CALL_RETURN(connection->errcode, OCIAttrGet,
					(
					 (dvoid*) parmp1,
					 (ub4) OCI_DTYPE_PARAM,
					 (dvoid*) &parmp2,
					 (ub4 *) 0,
					 (ub4) OCI_ATTR_COLLECTION_ELEMENT,
					 connection->err
					)
			);

			if (connection->errcode != OCI_SUCCESS) {
				goto CLEANUP;
			}

			/* get REF of the TDO for the type */
			PHP_OCI_CALL_RETURN(connection->errcode, OCIAttrGet,
					(
					 (dvoid*) parmp2,
					 (ub4) OCI_DTYPE_PARAM,
					 (dvoid*) &(collection->elem_ref),
					 (ub4 *) 0,
					 (ub4) OCI_ATTR_REF_TDO,
					 connection->err
					)
			);

			if (connection->errcode != OCI_SUCCESS) {
				goto CLEANUP;
			}

			/* get the TDO (only header) */
			PHP_OCI_CALL_RETURN(connection->errcode, OCITypeByRef,
					(
					 connection->env,
					 connection->err,
					 collection->elem_ref,
					 OCI_DURATION_SESSION,
					 OCI_TYPEGET_HEADER,
					 &(collection->element_type)
					)
			);

			if (connection->errcode != OCI_SUCCESS) {
				goto CLEANUP;
			}

			/* get typecode */
			PHP_OCI_CALL_RETURN(connection->errcode, OCIAttrGet,
					(
					 (dvoid*) parmp2,
					 (ub4) OCI_DTYPE_PARAM,
					 (dvoid*) &(collection->element_typecode),
					 (ub4 *) 0,
					 (ub4) OCI_ATTR_TYPECODE,
					 connection->err
					)
			);

			if (connection->errcode != OCI_SUCCESS) {
				goto CLEANUP;
			}
			break;
			/* we only support VARRAYs and TABLEs */
		default:
			php_error_docref(NULL TSRMLS_CC, E_WARNING, "unknown collection type %d", collection->coll_typecode);
			break;
	}	

	/* Create object to hold return table */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIObjectNew,
		(
			connection->env,
			connection->err,
			connection->svc,
			OCI_TYPECODE_TABLE,
			collection->tdo,
			(dvoid *)0,
			OCI_DURATION_DEFAULT,
			TRUE,
			(dvoid **) &(collection->collection)
		)
	);

	if (connection->errcode != OCI_SUCCESS) {
		goto CLEANUP;
	}

	/* free the describe handle (Bug #44113) */
	PHP_OCI_CALL(OCIHandleFree, ((dvoid *) dschp1, OCI_HTYPE_DESCRIBE));
	PHP_OCI_REGISTER_RESOURCE(collection, le_collection);
	return collection;
	
CLEANUP:

	if (dschp1) {
		/* free the describe handle (Bug #44113) */
		PHP_OCI_CALL(OCIHandleFree, ((dvoid *) dschp1, OCI_HTYPE_DESCRIBE));
	}
	connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
	PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
	php_oci_collection_close(collection TSRMLS_CC);	
	return NULL;
} /* }}} */

/* {{{ php_oci_collection_size()
 Return size of the collection */
int php_oci_collection_size(php_oci_collection *collection, sb4 *size TSRMLS_DC)
{
	php_oci_connection *connection = collection->connection;
	
	PHP_OCI_CALL_RETURN(connection->errcode, OCICollSize, (connection->env, connection->err, collection->collection, (sb4 *)size));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
	return 0;
} /* }}} */

/* {{{ php_oci_collection_max()
 Return max number of elements in the collection */
int php_oci_collection_max(php_oci_collection *collection, long *max TSRMLS_DC)
{
	php_oci_connection *connection = collection->connection;
	
	PHP_OCI_CALL_RETURN(*max, OCICollMax, (connection->env, collection->collection));

	/* error handling is not necessary here? */
	return 0;
} /* }}} */

/* {{{ php_oci_collection_trim()
 Trim collection to the given number of elements */
int php_oci_collection_trim(php_oci_collection *collection, long trim_size TSRMLS_DC)
{
	php_oci_connection *connection = collection->connection;
	
	PHP_OCI_CALL_RETURN(connection->errcode, OCICollTrim, (connection->env, connection->err, trim_size, collection->collection));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
	return 0;
} /* }}} */

/* {{{ php_oci_collection_append_null()
 Append NULL element to the end of the collection */
int php_oci_collection_append_null(php_oci_collection *collection TSRMLS_DC)
{
	OCIInd null_index = OCI_IND_NULL;
	php_oci_connection *connection = collection->connection;

	/* append NULL element */
	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAppend, (connection->env, connection->err, (dvoid *)0, &null_index, collection->collection));
	
	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
	return 0;
} /* }}} */

/* {{{ php_oci_collection_append_date()
 Append DATE element to the end of the collection (use "DD-MON-YY" format) */
int php_oci_collection_append_date(php_oci_collection *collection, char *date, int date_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	OCIDate oci_date;
	php_oci_connection *connection = collection->connection;

	/* format and language are NULLs, so format is "DD-MON-YY" and language is the default language of the session */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIDateFromText, (connection->err, (CONST text *)date, date_len, NULL, 0, NULL, 0, &oci_date));

	if (connection->errcode != OCI_SUCCESS) {
		/* failed to convert string to date */
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAppend,
			(
			 connection->env,
			 connection->err,
			 (dvoid *) &oci_date,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
			
	return 0;
} /* }}} */

/* {{{ php_oci_collection_append_number()
 Append NUMBER to the end of the collection */
int php_oci_collection_append_number(php_oci_collection *collection, char *number, int number_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	double element_double;
	OCINumber oci_number;
	php_oci_connection *connection = collection->connection;

#if (PHP_MAJOR_VERSION == 4 && PHP_MINOR_VERSION == 3 && PHP_RELEASE_VERSION < 10)
	/* minimum PHP version ext/oci8/config.m4 accepts is 4.3.9 */
	element_double = strtod(number, NULL);
#else
	/* zend_strtod was introduced in PHP 4.3.10 */
	element_double = zend_strtod(number, NULL);
#endif
			
	PHP_OCI_CALL_RETURN(connection->errcode, OCINumberFromReal, (connection->err, &element_double, sizeof(double), &oci_number));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAppend,
			(
			 connection->env,
			 connection->err,
			 (dvoid *) &oci_number,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	return 0;
} /* }}} */

/* {{{ php_oci_collection_append_string()
 Append STRING to the end of the collection */
int php_oci_collection_append_string(php_oci_collection *collection, char *element, int element_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	OCIString *ocistr = (OCIString *)0;
	php_oci_connection *connection = collection->connection;
			
	PHP_OCI_CALL_RETURN(connection->errcode, OCIStringAssignText, (connection->env, connection->err, (CONST oratext *)element, element_len, &ocistr));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAppend,
			(
			 connection->env,
			 connection->err,
			 (dvoid *) ocistr,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	return 0;
} /* }}} */

/* {{{ php_oci_collection_append()
 Append wrapper. Appends any supported element to the end of the collection */
int php_oci_collection_append(php_oci_collection *collection, char *element, int element_len TSRMLS_DC)
{
	if (element_len == 0) {
		return php_oci_collection_append_null(collection TSRMLS_CC);
	}
	
	switch(collection->element_typecode) {
		case OCI_TYPECODE_DATE:
			return php_oci_collection_append_date(collection, element, element_len TSRMLS_CC);
			break;
			
		case OCI_TYPECODE_VARCHAR2 :
			return php_oci_collection_append_string(collection, element, element_len TSRMLS_CC);
			break;

		case OCI_TYPECODE_UNSIGNED16 :						 /* UNSIGNED SHORT	*/
		case OCI_TYPECODE_UNSIGNED32 :						  /* UNSIGNED LONG	*/
		case OCI_TYPECODE_REAL :									 /* REAL	*/
		case OCI_TYPECODE_DOUBLE :									 /* DOUBLE	*/
		case OCI_TYPECODE_INTEGER :										/* INT	*/
		case OCI_TYPECODE_SIGNED16 :								  /* SHORT	*/
		case OCI_TYPECODE_SIGNED32 :								   /* LONG	*/
		case OCI_TYPECODE_DECIMAL :									/* DECIMAL	*/
		case OCI_TYPECODE_FLOAT :									/* FLOAT	*/
		case OCI_TYPECODE_NUMBER :									/* NUMBER	*/
		case OCI_TYPECODE_SMALLINT :								/* SMALLINT */
			return php_oci_collection_append_number(collection, element, element_len TSRMLS_CC);
			break;

		default:
			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown or unsupported type of element: %d", collection->element_typecode);
			return 1;
			break;
	}
	/* never reached */
	return 1;
} /* }}} */

/* {{{ php_oci_collection_element_get()
 Get the element with the given index */
int php_oci_collection_element_get(php_oci_collection *collection, long index, zval **result_element TSRMLS_DC)
{
	php_oci_connection *connection = collection->connection;
	dvoid *element;
	OCIInd *element_index;
	boolean exists;
	oratext buff[1024];
	ub4 buff_len = 1024;
	
	MAKE_STD_ZVAL(*result_element);
	ZVAL_NULL(*result_element);

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollGetElem,
			(
			 connection->env,
			 connection->err,
			 collection->collection,
			 (ub4)index,
			 &exists,
			 &element,
			 (dvoid **)&element_index
			)
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		FREE_ZVAL(*result_element);
		return 1;
	}
	
	if (exists == 0) {
		/* element doesn't exist */
		FREE_ZVAL(*result_element);
		return 1;
	}

	if (*element_index == OCI_IND_NULL) {
		/* this is not an error, we're returning NULL here */
		return 0;
	}

	switch (collection->element_typecode) {
		case OCI_TYPECODE_DATE:
			PHP_OCI_CALL_RETURN(connection->errcode, OCIDateToText, (connection->err, element, 0, 0, 0, 0, &buff_len, buff));
	
			if (connection->errcode != OCI_SUCCESS) {
				connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
				PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
				FREE_ZVAL(*result_element);
				return 1;
			}

			ZVAL_STRINGL(*result_element, (char *)buff, buff_len, 1);
			Z_STRVAL_P(*result_element)[buff_len] = '\0';
			
			return 0;
			break;

		case OCI_TYPECODE_VARCHAR2:
		{
			OCIString *oci_string = *(OCIString **)element;
			text *str;
			
			PHP_OCI_CALL_RETURN(str, OCIStringPtr, (connection->env, oci_string));
			
			if (str) {
				ZVAL_STRING(*result_element, (char *)str, 1);
			}
			return 0;
		}
			break;

		case OCI_TYPECODE_UNSIGNED16:						/* UNSIGNED SHORT  */
		case OCI_TYPECODE_UNSIGNED32:						/* UNSIGNED LONG  */
		case OCI_TYPECODE_REAL:								/* REAL	   */
		case OCI_TYPECODE_DOUBLE:							/* DOUBLE  */
		case OCI_TYPECODE_INTEGER:							/* INT	*/
		case OCI_TYPECODE_SIGNED16:							/* SHORT  */
		case OCI_TYPECODE_SIGNED32:							/* LONG	 */
		case OCI_TYPECODE_DECIMAL:							/* DECIMAL	*/
		case OCI_TYPECODE_FLOAT:							/* FLOAT	*/
		case OCI_TYPECODE_NUMBER:							/* NUMBER	*/
		case OCI_TYPECODE_SMALLINT:							/* SMALLINT */
		{
			double double_number;
			
			PHP_OCI_CALL_RETURN(connection->errcode, OCINumberToReal, (connection->err, (CONST OCINumber *) element, (uword) sizeof(double), (dvoid *) &double_number));

			if (connection->errcode != OCI_SUCCESS) {
				connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
				PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
				FREE_ZVAL(*result_element);
				return 1;
			}
			
			ZVAL_DOUBLE(*result_element, double_number);

			return 0;
		}
			break;
		default:
			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown or unsupported type of element: %d", collection->element_typecode);
			FREE_ZVAL(*result_element);
			return 1;
			break;
	}
	/* never reached */
	return 1;
} /* }}} */

/* {{{ php_oci_collection_element_set_null()
 Set the element with the given index to NULL */
int php_oci_collection_element_set_null(php_oci_collection *collection, long index TSRMLS_DC)
{
	OCIInd null_index = OCI_IND_NULL;
	php_oci_connection *connection = collection->connection;

	/* set NULL element */
	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAssignElem, (connection->env, connection->err, (ub4) index, (dvoid *)"", &null_index, collection->collection));
	
	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
	return 0;
} /* }}} */

/* {{{ php_oci_collection_element_set_date()
 Change element's value to the given DATE */
int php_oci_collection_element_set_date(php_oci_collection *collection, long index, char *date, int date_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	OCIDate oci_date;
	php_oci_connection *connection = collection->connection;

	/* format and language are NULLs, so format is "DD-MON-YY" and language is the default language of the session */
	PHP_OCI_CALL_RETURN(connection->errcode, OCIDateFromText, (connection->err, (CONST text *)date, date_len, NULL, 0, NULL, 0, &oci_date));

	if (connection->errcode != OCI_SUCCESS) {
		/* failed to convert string to date */
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAssignElem,
			(
			 connection->env,
			 connection->err,
			 (ub4)index,
			 (dvoid *) &oci_date,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			 )
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
			
	return 0;
} /* }}} */

/* {{{ php_oci_collection_element_set_number()
 Change element's value to the given NUMBER */
int php_oci_collection_element_set_number(php_oci_collection *collection, long index, char *number, int number_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	double element_double;
	OCINumber oci_number;
	php_oci_connection *connection = collection->connection;

#if (PHP_MAJOR_VERSION == 4 && PHP_MINOR_VERSION == 3 && PHP_RELEASE_VERSION < 10)
	/* minimum PHP version ext/oci8/config.m4 accepts is 4.3.9 */
	element_double = strtod(number, NULL);
#else
	/* zend_strtod was introduced in PHP 4.3.10 */
	element_double = zend_strtod(number, NULL);
#endif
			
	PHP_OCI_CALL_RETURN(connection->errcode, OCINumberFromReal, (connection->err, &element_double, sizeof(double), &oci_number));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAssignElem,
			(
			 connection->env,
			 connection->err,
			 (ub4) index,
			 (dvoid *) &oci_number,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			 )
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	return 0;
} /* }}} */

/* {{{ php_oci_collection_element_set_string()
 Change element's value to the given string */
int php_oci_collection_element_set_string(php_oci_collection *collection, long index, char *element, int element_len TSRMLS_DC)
{
	OCIInd new_index = OCI_IND_NOTNULL;
	OCIString *ocistr = (OCIString *)0;
	php_oci_connection *connection = collection->connection;
			
	PHP_OCI_CALL_RETURN(connection->errcode, OCIStringAssignText, (connection->env, connection->err, (CONST oratext *)element, element_len, &ocistr));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAssignElem,
			(
			 connection->env,
			 connection->err,
			 (ub4)index,
			 (dvoid *) ocistr,
			 (dvoid *) &new_index,
			 (OCIColl *) collection->collection
			 )
	);

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}

	return 0;
} /* }}} */

/* {{{ php_oci_collection_element_set()
 Collection element setter */
int php_oci_collection_element_set(php_oci_collection *collection, long index, char *value, int value_len TSRMLS_DC)
{
	if (value_len == 0) {
		return php_oci_collection_element_set_null(collection, index TSRMLS_CC);
	}
	
	switch(collection->element_typecode) {
		case OCI_TYPECODE_DATE:
			return php_oci_collection_element_set_date(collection, index, value, value_len TSRMLS_CC);
			break;
			
		case OCI_TYPECODE_VARCHAR2 :
			return php_oci_collection_element_set_string(collection, index, value, value_len TSRMLS_CC);
			break;

		case OCI_TYPECODE_UNSIGNED16 :						 /* UNSIGNED SHORT	*/
		case OCI_TYPECODE_UNSIGNED32 :						  /* UNSIGNED LONG	*/
		case OCI_TYPECODE_REAL :									 /* REAL	*/
		case OCI_TYPECODE_DOUBLE :									 /* DOUBLE	*/
		case OCI_TYPECODE_INTEGER :										/* INT	*/
		case OCI_TYPECODE_SIGNED16 :								  /* SHORT	*/
		case OCI_TYPECODE_SIGNED32 :								   /* LONG	*/
		case OCI_TYPECODE_DECIMAL :									/* DECIMAL	*/
		case OCI_TYPECODE_FLOAT :									/* FLOAT	*/
		case OCI_TYPECODE_NUMBER :									/* NUMBER	*/
		case OCI_TYPECODE_SMALLINT :								/* SMALLINT */
			return php_oci_collection_element_set_number(collection, index, value, value_len TSRMLS_CC);
			break;

		default:
			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown or unsupported type of element: %d", collection->element_typecode);
			return 1;
			break;
	}
	/* never reached */
	return 1;
} /* }}} */

/* {{{ php_oci_collection_assign()
 Assigns a value to the collection from another collection */
int php_oci_collection_assign(php_oci_collection *collection_dest, php_oci_collection *collection_from TSRMLS_DC)
{
	php_oci_connection *connection = collection_dest->connection;
	
	PHP_OCI_CALL_RETURN(connection->errcode, OCICollAssign, (connection->env, connection->err, collection_from->collection, collection_dest->collection));

	if (connection->errcode != OCI_SUCCESS) {
		connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
		PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		return 1;
	}
	return 0;
} /* }}} */

/* {{{ php_oci_collection_close()
 Destroy collection and all associated resources */
void php_oci_collection_close(php_oci_collection *collection TSRMLS_DC)
{
	php_oci_connection *connection = collection->connection;

	if (collection->collection) {
		PHP_OCI_CALL_RETURN(connection->errcode, OCIObjectFree, (connection->env, connection->err, (dvoid *)collection->collection, (ub2)OCI_OBJECTFREE_FORCE));

		if (connection->errcode != OCI_SUCCESS) {
			connection->errcode = php_oci_error(connection->err, connection->errcode TSRMLS_CC);
			PHP_OCI_HANDLE_ERROR(connection, connection->errcode);
		}
	}
	
	zend_list_delete(collection->connection->rsrc_id);
	
	efree(collection);
	return;
} /* }}} */

#endif /* HAVE_OCI8 */

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