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sqlanywhere.c
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/*-----------------------------------------------------------------------------+
* Copyright 2013 SAP AG or an SAP affiliate company.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*
* While not a requirement of the license, if you do modify this file, we
* would appreciate hearing about it. Please email [email protected]
*-----------------------------------------------------------------------------+
*/
#if defined( WINNT ) && !POINTERS_ARE_64BITS
#define _USE_32BIT_TIME_T 1
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <stddef.h>
#include <string.h>
#include "php.h"
#include "php_ini.h"
#include "php_sqlanywhere.h"
#include "php_sqlany_ver.h"
#include "php_globals.h"
#include "ext/standard/info.h"
#if HAVE_SQLANYWHERE
#include "sqlany_dbg.h"
#define _SACAPI_VERSION 2
#include "sacapi.h"
#include "sacapidll.h"
ZEND_DECLARE_MODULE_GLOBALS(sqlanywhere)
#if defined( WIN32 )
#define DBCAPI_PREFIX ""
#define DBCAPI_SUFFIX ".dll"
#if defined( ZTS )
#define DBCAPI_ZTS ""
#else
#define DBCAPI_ZTS ""
#endif
#define DLL_PATH "PATH"
#else
#define DBCAPI_PREFIX "lib"
#define DBCAPI_SUFFIX ".so"
#if defined( _REENTRANT )
#define DBCAPI_ZTS "_r"
#else
#define DBCAPI_ZTS ""
#endif
#define DLL_PATH "LD_LIBRARY_PATH"
#endif
#ifndef Z_ADDREF_P
#define Z_ADDREF_P(x) (((x)->refcount)++)
#define Z_DELREF_P(x) (((x)->refcount)--)
#define Z_SET_REFCOUNT_P(x,v) ((x)->refcount = v)
#endif
#define DBCAPI_NAME DBCAPI_PREFIX "dbcapi" DBCAPI_ZTS DBCAPI_SUFFIX
//#define DBCAPI_NOT_FOUND_ERROR "Could not load " DBCAPI_NAME ". Please ensure that " DBCAPI_NAME " can be found in your " DLL_PATH " environment variable."
#define DBCAPI_NOT_FOUND_ERROR "The SQLAnywhere client libraries could not be loaded. Please ensure that " DBCAPI_NAME " can be found in your " DLL_PATH " environment variable."
ZEND_BEGIN_ARG_INFO(third_arg_force_by_ref_only, 0)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(1)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(third_arg_force_by_ref_and_rest, 1)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(second_arg_force_by_ref_and_rest, 1)
ZEND_ARG_PASS_INFO(0)
ZEND_END_ARG_INFO()
PHP_MINIT_FUNCTION(sqlanywhere);
PHP_MSHUTDOWN_FUNCTION(sqlanywhere);
PHP_RINIT_FUNCTION(sqlanywhere);
PHP_RSHUTDOWN_FUNCTION(sqlanywhere);
PHP_MINFO_FUNCTION(sqlanywhere);
PHP_FUNCTION(sasql_affected_rows);
PHP_FUNCTION(sasql_close);
PHP_FUNCTION(sasql_commit);
PHP_FUNCTION(sasql_connect);
/* sasql_disconnect */
PHP_FUNCTION(sasql_data_seek);
PHP_FUNCTION(sasql_error);
PHP_FUNCTION(sasql_errorcode);
/* sasql_escape_string */
PHP_FUNCTION(sasql_fetch_array);
PHP_FUNCTION(sasql_fetch_assoc);
PHP_FUNCTION(sasql_fetch_field);
PHP_FUNCTION(sasql_fetch_object);
PHP_FUNCTION(sasql_fetch_row);
PHP_FUNCTION(sasql_field_count);
PHP_FUNCTION(sasql_field_seek);
PHP_FUNCTION(sasql_free_result);
PHP_FUNCTION(sasql_get_client_info);
PHP_FUNCTION(sasql_insert_id);
PHP_FUNCTION(sasql_message);
PHP_FUNCTION(sasql_next_result);
PHP_FUNCTION(sasql_num_fields);
PHP_FUNCTION(sasql_num_rows);
PHP_FUNCTION(sasql_pconnect);
PHP_FUNCTION(sasql_pconnect_from_sqlca);
PHP_FUNCTION(sasql_prepare);
PHP_FUNCTION(sasql_query);
PHP_FUNCTION(sasql_real_escape_string);
PHP_FUNCTION(sasql_real_query);
PHP_FUNCTION(sasql_result_all);
PHP_FUNCTION(sasql_rollback);
PHP_FUNCTION(sasql_set_option);
PHP_FUNCTION(sasql_sqlstate);
PHP_FUNCTION(sasql_stmt_affected_rows);
PHP_FUNCTION(sasql_stmt_bind_param);
PHP_FUNCTION(sasql_stmt_bind_param_ex);
PHP_FUNCTION(sasql_stmt_bind_result);
PHP_FUNCTION(sasql_stmt_close);
PHP_FUNCTION(sasql_stmt_data_seek);
PHP_FUNCTION(sasql_stmt_execute);
PHP_FUNCTION(sasql_stmt_errno);
PHP_FUNCTION(sasql_stmt_error);
PHP_FUNCTION(sasql_stmt_fetch);
PHP_FUNCTION(sasql_stmt_field_count);
PHP_FUNCTION(sasql_stmt_free_result);
PHP_FUNCTION(sasql_stmt_insert_id);
PHP_FUNCTION(sasql_stmt_next_result);
PHP_FUNCTION(sasql_stmt_num_rows);
PHP_FUNCTION(sasql_stmt_param_count);
PHP_FUNCTION(sasql_stmt_reset);
PHP_FUNCTION(sasql_stmt_result_metadata);
PHP_FUNCTION(sasql_stmt_send_long_data);
PHP_FUNCTION(sasql_stmt_store_result);
PHP_FUNCTION(sasql_stmt_sqlstate);
PHP_FUNCTION(sasql_store_result);
PHP_FUNCTION(sasql_use_result);
/* Deprecated function */
PHP_FUNCTION(sqlanywhere_query);
PHP_FUNCTION(sqlanywhere_data_seek);
PHP_FUNCTION(sqlanywhere_num_rows);
PHP_FUNCTION(sqlanywhere_execute);
PHP_FUNCTION(sqlanywhere_num_fields);
/*
* Every user visible function must have an entry in sasql_functions[].
*/
zend_function_entry sqlanywhere_functions[] = {
/* connection functions */
PHP_FE(sasql_connect, NULL)
PHP_FE(sasql_pconnect, NULL)
PHP_FE(sasql_pconnect_from_sqlca, NULL)
PHP_FE(sasql_close, NULL)
PHP_FE(sasql_query, NULL)
PHP_FE(sasql_real_query, NULL)
PHP_FE(sasql_store_result, NULL)
PHP_FE(sasql_use_result, NULL)
PHP_FE(sasql_next_result, NULL)
PHP_FE(sasql_set_option, NULL)
PHP_FE(sasql_affected_rows, NULL)
PHP_FE(sasql_commit, NULL)
PHP_FE(sasql_rollback, NULL)
PHP_FE(sasql_sqlstate, NULL)
/* result functions */
/* PHP_FE(sasql_field_tell, NULL) */
PHP_FE(sasql_data_seek, NULL)
PHP_FE(sasql_fetch_array, NULL)
PHP_FE(sasql_fetch_assoc, NULL)
/* PHP_FE(sasql_fetch_field_direct, NULL) */
PHP_FE(sasql_fetch_field, NULL)
PHP_FE(sasql_fetch_object, NULL)
PHP_FE(sasql_fetch_row, NULL)
PHP_FE(sasql_field_seek, NULL)
PHP_FE(sasql_free_result, NULL)
/* PHP_FE(sasql_fetch_lengths, NULL) */
PHP_FE(sasql_num_rows, NULL)
PHP_FE(sasql_result_all, NULL)
/* connection functions */
PHP_FE(sasql_error, NULL)
PHP_FE(sasql_errorcode, NULL)
PHP_FE(sasql_insert_id, NULL)
PHP_FE(sasql_message, NULL)
PHP_FE(sasql_prepare, NULL)
PHP_FE(sasql_field_count, NULL)
PHP_FE(sasql_num_fields, NULL)
/* statement functions */
PHP_FE(sasql_stmt_param_count, NULL)
PHP_FE(sasql_stmt_bind_param_ex, third_arg_force_by_ref_only)
PHP_FE(sasql_stmt_bind_param, third_arg_force_by_ref_and_rest)
PHP_FE(sasql_stmt_execute, NULL)
PHP_FE(sasql_stmt_close, NULL)
PHP_FE(sasql_stmt_result_metadata, NULL)
PHP_FE(sasql_stmt_affected_rows, NULL)
PHP_FE(sasql_stmt_num_rows, NULL)
PHP_FE(sasql_stmt_insert_id, NULL)
PHP_FE(sasql_stmt_bind_result, second_arg_force_by_ref_and_rest)
PHP_FE(sasql_stmt_send_long_data, NULL)
PHP_FE(sasql_stmt_store_result, NULL)
PHP_FE(sasql_stmt_free_result, NULL)
PHP_FE(sasql_stmt_reset, NULL)
PHP_FE(sasql_stmt_fetch, NULL)
PHP_FE(sasql_stmt_field_count, NULL)
PHP_FE(sasql_stmt_data_seek, NULL)
PHP_FE(sasql_stmt_next_result, NULL)
PHP_FE(sasql_stmt_errno, NULL)
PHP_FE(sasql_stmt_error, NULL)
PHP_FE(sasql_stmt_sqlstate, NULL)
/* misc functions */
PHP_FE(sasql_real_escape_string, NULL)
PHP_FE(sasql_get_client_info, NULL)
/* Deprecated functions */
PHP_FE(sqlanywhere_query, NULL)
PHP_FE(sqlanywhere_num_rows, NULL)
PHP_FE(sqlanywhere_data_seek, NULL)
PHP_FE(sqlanywhere_execute, NULL)
/* Aliases */
PHP_FALIAS(sqlanywhere_connect, sasql_connect, NULL)
PHP_FALIAS(sqlanywhere_pconnect, sasql_pconnect, NULL)
PHP_FALIAS(sqlanywhere_pconnect_from_sqlca, sasql_pconnect_from_sqlca, NULL)
PHP_FALIAS(sqlanywhere_disconnect, sasql_close, NULL)
PHP_FALIAS(sqlanywhere_free_result, sasql_free_result, NULL)
PHP_FALIAS(sqlanywhere_fetch_field, sasql_fetch_field, NULL)
PHP_FALIAS(sqlanywhere_fetch_array, sasql_fetch_array, NULL)
PHP_FALIAS(sqlanywhere_fetch_object, sasql_fetch_object, NULL)
PHP_FALIAS(sqlanywhere_fetch_row, sasql_fetch_row, NULL)
PHP_FALIAS(sqlanywhere_commit, sasql_commit, NULL)
PHP_FALIAS(sqlanywhere_rollback, sasql_rollback, NULL)
PHP_FALIAS(sqlanywhere_set_option, sasql_set_option, NULL)
PHP_FALIAS(sqlanywhere_error, sasql_error, NULL)
PHP_FALIAS(sqlanywhere_errorcode, sasql_errorcode, NULL)
PHP_FALIAS(sqlanywhere_insert_id, sasql_insert_id, NULL)
PHP_FALIAS(sqlanywhere_identity, sasql_insert_id, NULL)
PHP_FALIAS(sqlanywhere_message, sasql_message, NULL)
PHP_FALIAS(sqlanywhere_result_all, sasql_result_all, NULL)
PHP_FALIAS(sqlanywhere_num_fields, sasql_num_fields, NULL)
PHP_FALIAS(sasql_disconnect, sasql_close, NULL)
PHP_FALIAS(sasql_escape_string, sasql_real_escape_string, NULL)
PHP_FALIAS(sasql_multi_query, sasql_real_query, NULL)
{NULL, NULL, NULL}
};
zend_module_entry sqlanywhere_module_entry = {
STANDARD_MODULE_HEADER,
"sqlanywhere",
sqlanywhere_functions,
PHP_MINIT(sqlanywhere),
PHP_MSHUTDOWN(sqlanywhere),
PHP_RINIT(sqlanywhere), /* Replace with NULL if there's nothing to do at request start */
PHP_RSHUTDOWN(sqlanywhere), /* Replace with NULL if there's nothing to do at request end */
PHP_MINFO(sqlanywhere),
PHP_SQLANYWHERE_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_SQLANYWHERE
ZEND_GET_MODULE(sqlanywhere)
#endif
static int le_result;
static int le_conn;
static int le_pconn;
static int le_stmt;
static SQLAnywhereInterface api;
#define sasql_HASH_STR "sasql___"
/* types of fetch */
#define FETCH_ROW (0x01)
#define FETCH_OBJ (0x02)
#if PHP_MAJOR_VERSION >= 5
#define ASA_UpdateInt OnUpdateLong
#if PHP_MINOR_VERSION < 4
#define zend_rsrc_list_entry list_entry
#endif
#else
#define ASA_UpdateInt OnUpdateInt
#endif
typedef struct sqlany_connection_t sqlany_connection_t;
typedef struct sqlany_result_t sqlany_result_t;
typedef struct sqlany_stmt_t sqlany_stmt_t;
typedef struct sqlany_stmt_param_t sqlany_stmt_param_t;
typedef struct php_stmt_param_t php_stmt_param_t;
typedef struct sqlany_result_row_t sqlany_result_row_t;
typedef struct sqlany_result_col_t sqlany_result_col_t;
struct sqlany_connection_t
{
int id;
a_sqlany_connection *handle;
int auto_commit;
int verbose_errors;
int persistent;
sqlany_result_t *result_list;
sqlany_stmt_t *stmt_list;
a_sqlany_stmt *last_stmt;
int ext_env_conn;
char error[SACAPI_ERROR_SIZE];
int errorcode;
char sqlstate[6];
int len;
};
struct sqlany_result_row_t
{
int row_id;
a_sqlany_data_value *values;
sqlany_result_row_t *next;
};
struct sqlany_result_t
{
int id;
a_sqlany_stmt *stmt_handle;
sqlany_connection_t *sqlany_conn;
sqlany_result_t *next;
sqlany_stmt_t *sqlany_stmt;
sqlany_result_row_t *curr_row;
int fetch_pos;
int num_rows;
a_sqlany_column_info * column_info;
int num_cols;
int curr_col;
int result_cached;
};
struct sqlany_stmt_param_t
{
a_sqlany_data_value in;
int in_is_null;
size_t in_len;
int using_send_data;
a_sqlany_data_value out;
int out_is_null;
size_t out_len;
};
struct php_stmt_param_t
{
zval * in;
zval * out;
};
struct sqlany_stmt_t
{
int id;
a_sqlany_stmt *handle;
sqlany_stmt_t *next;
sqlany_connection_t *sqlany_conn;
sqlany_result_t *sqlany_result;
int num_params;
php_stmt_param_t *php_params;
sqlany_stmt_param_t *sqlany_params;
zval* *php_result_vars;
int num_result_vars;
char error[SACAPI_ERROR_SIZE];
int errorcode;
char sqlstate[6];
int len;
};
static void SQLAnywhereConnect( INTERNAL_FUNCTION_PARAMETERS, int persistent );
/* {{{ PHP_INI */
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN( "sqlanywhere.allow_persistent", "1", PHP_INI_SYSTEM, ASA_UpdateInt,
allow_persistent, zend_sqlanywhere_globals, sqlanywhere_globals )
STD_PHP_INI_ENTRY_EX( "sqlanywhere.max_persistent_connections", "-1", PHP_INI_SYSTEM,
ASA_UpdateInt, max_pconns, zend_sqlanywhere_globals, sqlanywhere_globals,
display_link_numbers )
STD_PHP_INI_ENTRY_EX( "sqlanywhere.max_connections", "-1", PHP_INI_SYSTEM, ASA_UpdateInt,
max_conns, zend_sqlanywhere_globals, sqlanywhere_globals, display_link_numbers )
STD_PHP_INI_BOOLEAN( "sqlanywhere.auto_commit", "1", PHP_INI_SYSTEM, ASA_UpdateInt,
auto_commit, zend_sqlanywhere_globals, sqlanywhere_globals )
STD_PHP_INI_BOOLEAN( "sqlanywhere.verbose_errors", "1", PHP_INI_SYSTEM, ASA_UpdateInt,
verbose_errors, zend_sqlanywhere_globals, sqlanywhere_globals )
PHP_INI_END()
/* }}} */
#if PHP_MAJOR_VERSION >= 5
#undef ASA_UpdateInt
#endif
static
void save_conn_error( sqlany_connection_t * sqlany_conn )
/********************************************************/
{
sqlany_conn->errorcode = api.sqlany_error( sqlany_conn->handle,
sqlany_conn->error, sizeof(sqlany_conn->error) );
sqlany_conn->len = api.sqlany_sqlstate( sqlany_conn->handle,
sqlany_conn->sqlstate, sizeof(sqlany_conn->sqlstate) - 1 );
}
static
void clear_conn_error( sqlany_connection_t * sqlany_conn )
/*********************************************************/
{
sqlany_conn->errorcode = 0;
memset( sqlany_conn->error, 0, sizeof(sqlany_conn->error) );
strcpy( sqlany_conn->sqlstate, "00000" );
}
static
void save_stmt_error( sqlany_stmt_t * sqlany_stmt )
/**************************************************/
{
sqlany_stmt->errorcode = api.sqlany_error( sqlany_stmt->sqlany_conn->handle,
sqlany_stmt->error, sizeof(sqlany_stmt->error) );
sqlany_stmt->len = api.sqlany_sqlstate( sqlany_stmt->sqlany_conn->handle,
sqlany_stmt->sqlstate, sizeof(sqlany_stmt->sqlstate) - 1);
}
static
void clear_stmt_error( sqlany_stmt_t * sqlany_stmt )
/**************************************************/
{
sqlany_stmt->errorcode = 0;
memset( sqlany_stmt->error, 0, sizeof(sqlany_stmt->error) );
strcpy( sqlany_stmt->sqlstate, "00000" );
}
static
void free_cached_result( sqlany_result_t * sqlany_result )
/*********************************************************/
{
int i;
if( sqlany_result->column_info != NULL ) {
for( i=0; i < sqlany_result->num_cols; i++ ) {
efree( sqlany_result->column_info[i].name );
}
efree( sqlany_result->column_info );
sqlany_result->column_info = NULL;
}
while( sqlany_result->curr_row != NULL ) {
sqlany_result_row_t * curr_row = sqlany_result->curr_row->next;
if( curr_row->next == curr_row ) {
sqlany_result->curr_row = NULL;
} else {
sqlany_result->curr_row->next = curr_row->next;
}
curr_row->next = NULL;
for( i = 0; i < sqlany_result->num_cols; i++ ) {
if( (*curr_row->values[i].is_null) == 0 ) {
efree( curr_row->values[i].buffer );
efree( curr_row->values[i].length );
}
efree( curr_row->values[i].is_null );
}
efree( curr_row->values );
efree( curr_row );
sqlany_result->num_rows--;
}
assert( sqlany_result->num_rows == 0 );
assert( sqlany_result->curr_row == NULL );
}
static
int cache_result( sqlany_result_t * sqlany_result )
/**************************************************/
{
sqlany_result_row_t * curr_row;
int i;
sqlany_result->num_rows = 0;
sqlany_result->fetch_pos = 0;
sqlany_result->num_cols = api.sqlany_num_cols( sqlany_result->stmt_handle );
sqlany_result->column_info = (a_sqlany_column_info *)
ecalloc( sqlany_result->num_cols, sizeof(a_sqlany_column_info));
sqlany_result->result_cached = 1;
// first cache column information
for( i = 0; i < sqlany_result->num_cols; i++ ) {
a_sqlany_column_info cinfo;
api.sqlany_get_column_info( sqlany_result->stmt_handle, i, &cinfo );
sqlany_result->column_info[i] = cinfo;
sqlany_result->column_info[i].name = estrdup( cinfo.name );
}
// second cache row information
while( api.sqlany_fetch_next( sqlany_result->stmt_handle ) ) {
curr_row = ecalloc( 1, sizeof(sqlany_result_row_t) );
curr_row->row_id = sqlany_result->num_rows;
curr_row->values = ecalloc( sqlany_result->num_cols, sizeof(a_sqlany_data_value));
for( i = 0; i < sqlany_result->num_cols; i++ ) {
a_sqlany_data_value fetched_value;
api.sqlany_get_column( sqlany_result->stmt_handle, i, &fetched_value );
curr_row->values[i].type = fetched_value.type;
curr_row->values[i].is_null = (int *)emalloc( sizeof(int) );
*(curr_row->values[i].is_null) = *(fetched_value.is_null);
if( *(fetched_value.is_null) ) {
curr_row->values[i].buffer = NULL;
curr_row->values[i].length = NULL;
continue;
}
switch( fetched_value.type ) {
case A_BINARY:
case A_STRING:
curr_row->values[i].buffer = (char *)emalloc( *(fetched_value.length) + 1 );
memcpy( curr_row->values[i].buffer, fetched_value.buffer,
*(fetched_value.length) );
curr_row->values[i].buffer[*(fetched_value.length)] = '\0';
curr_row->values[i].length = (size_t*)emalloc( sizeof(size_t) );
*(curr_row->values[i].length) = *(fetched_value.length);
break;
case A_DOUBLE:
case A_VAL64:
case A_UVAL64:
curr_row->values[i].buffer = emalloc( 8 );
memcpy( curr_row->values[i].buffer, fetched_value.buffer, 8 );
curr_row->values[i].length = (size_t*)emalloc( sizeof(size_t) );
*(curr_row->values[i].length) = sizeof(double);
break;
case A_VAL32:
case A_UVAL32:
curr_row->values[i].buffer = emalloc( 4 );
memcpy( curr_row->values[i].buffer, fetched_value.buffer, 4 );
curr_row->values[i].length = (size_t*)emalloc( sizeof(size_t) );
*(curr_row->values[i].length) = sizeof(int);
break;
case A_VAL16:
case A_UVAL16:
curr_row->values[i].buffer = emalloc( 2 );
memcpy( curr_row->values[i].buffer, fetched_value.buffer, 2 );
curr_row->values[i].length = (size_t*)emalloc( sizeof(size_t) );
*(curr_row->values[i].length) = 2;
break;
case A_VAL8:
case A_UVAL8:
curr_row->values[i].buffer = emalloc( 1 );
memcpy( curr_row->values[i].buffer, fetched_value.buffer, 1 );
curr_row->values[i].length = (size_t*)emalloc( sizeof(size_t) );
*(curr_row->values[i].length) = 1;
break;
default:
break;
}
}
if( sqlany_result->curr_row == NULL ) {
curr_row->next = curr_row;
} else {
curr_row->next = sqlany_result->curr_row->next;
sqlany_result->curr_row->next = curr_row;
}
sqlany_result->curr_row = curr_row;
sqlany_result->num_rows++;
}
return api.sqlany_error( sqlany_result->sqlany_conn->handle, NULL, 0 );
}
static
int result_fetch_next( sqlany_result_t * sqlany_result, int is_connection )
/*************************************************************************/
{
if( sqlany_result->result_cached ) {
if( sqlany_result->fetch_pos >= sqlany_result->num_rows ) {
if( (is_connection && sqlany_result->sqlany_conn->errorcode == 0) ||
(!is_connection && sqlany_result->sqlany_stmt->errorcode == 0) ) {
return 0;
} else {
return -1;
}
}
sqlany_result->curr_row = sqlany_result->curr_row->next;
sqlany_result->fetch_pos++;
} else {
if( !api.sqlany_fetch_next( sqlany_result->stmt_handle ) ) {
if( api.sqlany_error( sqlany_result->sqlany_conn->handle, NULL, 0 ) == 100 ) {
if( is_connection ) {
clear_conn_error( sqlany_result->sqlany_conn );
} else {
clear_stmt_error( sqlany_result->sqlany_stmt );
}
return 0;
} else {
if( is_connection ) {
save_conn_error( sqlany_result->sqlany_conn );
} else {
save_stmt_error( sqlany_result->sqlany_stmt );
}
return -1;
}
}
sqlany_result->fetch_pos++;
}
return 1;
}
static
int result_data_seek( sqlany_result_t * sqlany_result, int offset, int is_connection )
/*************************************************************************************/
{
if( sqlany_result->result_cached ) {
int row_id;
if( offset < 0 ) {
offset += sqlany_result->num_rows;
}
if( offset < 0 || offset >= sqlany_result->num_rows ) {
return 0;
}
if( offset == 0 ) {
row_id = sqlany_result->num_rows - 1;
} else {
row_id = offset - 1;
}
while( sqlany_result->curr_row->row_id != row_id ) {
sqlany_result->curr_row = sqlany_result->curr_row->next;
}
sqlany_result->fetch_pos = sqlany_result->curr_row->next->row_id;
return 1;
} else {
int ok;
if( offset <= 0 ) {
api.sqlany_fetch_absolute( sqlany_result->stmt_handle, offset );
ok = 1;
} else {
ok = api.sqlany_fetch_absolute( sqlany_result->stmt_handle, offset );
if( !ok ) {
if( is_connection ) {
save_conn_error( sqlany_result->sqlany_conn );
} else {
save_stmt_error( sqlany_result->sqlany_stmt );
}
}
}
return ok;
}
}
int result_get_column_data( sqlany_result_t * sqlany_result, int col_num, a_sqlany_data_value * dvalue )
/*******************************************************************************************************/
{
if( sqlany_result->curr_row != NULL ) {
(*dvalue) = sqlany_result->curr_row->values[col_num];
} else {
api.sqlany_get_column( sqlany_result->stmt_handle, col_num, dvalue );
}
return 1;
}
int result_get_column_info( sqlany_result_t * sqlany_result, int col_num, a_sqlany_column_info * cinfo )
/*******************************************************************************************************/
{
if( sqlany_result->column_info != NULL ) {
(*cinfo) = sqlany_result->column_info[col_num];
} else {
api.sqlany_get_column_info( sqlany_result->stmt_handle, col_num, cinfo );
save_conn_error( sqlany_result->sqlany_conn );
if( sqlany_result->sqlany_conn->errorcode != 0 ) {
return 0;
}
}
return 1;
}
static
void VerboseErrors( sqlany_connection_t * sqlany_conn TSRMLS_DC )
/***************************************************************/
{
if( sqlany_conn->verbose_errors ) {
php_error_docref( NULL TSRMLS_CC, E_WARNING, "SQLAnywhere: [%d] %s",
(int)sqlany_conn->errorcode, sqlany_conn->error );
}
}
static
ZEND_RSRC_DTOR_FUNC( sqlany_close_connection )
/*********************************************/
{
sqlany_connection_t * sqlany_conn = (sqlany_connection_t *)rsrc->ptr;
int persistent = sqlany_conn->persistent;
int id = sqlany_conn->id;
if( !sqlany_conn->ext_env_conn ) {
while( sqlany_conn->result_list != NULL ) {
zend_list_delete( sqlany_conn->result_list->id );
}
while( sqlany_conn->stmt_list != NULL ) {
zend_list_delete( sqlany_conn->stmt_list->id );
}
if( sqlany_conn->last_stmt != NULL ) {
api.sqlany_free_stmt( sqlany_conn->last_stmt );
sqlany_conn->last_stmt = NULL;
}
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_connection persist=%d id=%d ",
persistent, id ) );
if( sqlany_conn->auto_commit ) {
api.sqlany_commit( sqlany_conn->handle );
}
api.sqlany_disconnect( sqlany_conn->handle );
api.sqlany_free_connection( sqlany_conn->handle );
}
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_connection persist=%d id=%d done",
persistent, id ) );
if( persistent ) {
SAG(num_pconns)--;
free( sqlany_conn );
} else {
efree( sqlany_conn );
}
SAG(num_conns)--;
}
static
ZEND_RSRC_DTOR_FUNC( sqlany_close_result )
/******************************************/
{
sqlany_result_t * sqlany_result = (sqlany_result_t *)rsrc->ptr;
if( sqlany_result ) {
sqlany_connection_t *sqlany_conn = sqlany_result->sqlany_conn;
sqlany_result_t **curr;
int id;
// We only need to auto commit if the result set is *not* cached and auto_commit is 'on'
if( sqlany_result->curr_row == NULL && sqlany_conn->auto_commit ) {
api.sqlany_commit( sqlany_conn->handle );
}
for( curr = &(sqlany_conn->result_list); *curr != NULL ; curr = &(*curr)->next ) {
if( (*curr) == sqlany_result ) {
(*curr) = (*curr)->next;
break;
}
}
sqlany_result->sqlany_conn = NULL;
free_cached_result( sqlany_result );
if( sqlany_result->sqlany_stmt ) {
sqlany_result->sqlany_stmt->sqlany_result = NULL;
sqlany_result->sqlany_stmt = NULL;
sqlany_result->stmt_handle = NULL;
} else if( sqlany_result->stmt_handle != NULL ) {
// if the result is referencing the current statement don't free it
// as the user might want to do a sasql_next_result()
if( sqlany_result->stmt_handle != sqlany_conn->last_stmt ) {
api.sqlany_free_stmt( sqlany_result->stmt_handle );
}
sqlany_result->stmt_handle = NULL;
}
id = sqlany_result->id;
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_result id=%d", id ) );
efree( sqlany_result );
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_result id=%d done", id ) );
}
}
static
ZEND_RSRC_DTOR_FUNC( sqlany_close_stmt )
/******************************************/
{
sqlany_stmt_t * sqlany_stmt = (sqlany_stmt_t *)rsrc->ptr;
if( sqlany_stmt ) {
sqlany_connection_t *sqlany_conn = sqlany_stmt->sqlany_conn;
sqlany_stmt_t **curr;
for( curr = &(sqlany_conn->stmt_list); *curr != NULL ; curr = &(*curr)->next ) {
if( (*curr) == sqlany_stmt ) {
(*curr) = (*curr)->next;
break;
}
}
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_stmt id=%d", sqlany_stmt->id ) );
if( sqlany_stmt->sqlany_params ) {
efree( sqlany_stmt->sqlany_params );
sqlany_stmt->sqlany_params = NULL;
}
if( sqlany_stmt->php_params ) {
int i;
for( i = 0; i < sqlany_stmt->num_params; i++ ) {
if( sqlany_stmt->php_params[i].in ) {
Z_DELREF_P( sqlany_stmt->php_params[i].in );
}
if( sqlany_stmt->php_params[i].out ) {
Z_DELREF_P( sqlany_stmt->php_params[i].out );
}
}
efree( sqlany_stmt->php_params );
sqlany_stmt->php_params = NULL;
}
if( sqlany_stmt->php_result_vars ) {
int i;
for( i = 0; i < sqlany_stmt->num_result_vars; i++ ) {
if( sqlany_stmt->php_result_vars[i] != NULL ) {
Z_DELREF_P( sqlany_stmt->php_result_vars[i] );
}
}
efree( sqlany_stmt->php_result_vars );
sqlany_stmt->php_result_vars = NULL;
sqlany_stmt->num_result_vars = 0;
}
if( sqlany_stmt->sqlany_result ) {
free_cached_result( sqlany_stmt->sqlany_result );
zend_list_delete( sqlany_stmt->sqlany_result->id );
sqlany_stmt->sqlany_result = NULL;
}
if( sqlany_stmt->handle != NULL ) {
api.sqlany_free_stmt( sqlany_stmt->handle );
}
_debug_enabled( SQLAnyDebug( _LOCATION_, " sqlany_close_stmt id=%d done",
sqlany_stmt->id ) );
efree( sqlany_stmt );
}
}
/* {{{ php_sqlany_init_globals
*/
static
void php_sqlany_init_globals( zend_sqlanywhere_globals * sqlany_globals TSRMLS_DC )
/*********************************************************************************/
{
memset( sqlany_globals, 0, sizeof(*sqlany_globals));
sqlany_globals->debug_trace = ( getenv( "SA_PHP_DEBUG" ) == NULL ? 0 : 1 );
}
/* }}} */
PHP_MINIT_FUNCTION(sqlanywhere)
/******************************/
{
#ifdef ZTS
ts_allocate_id( &sqlanywhere_globals_id, sizeof(zend_sqlanywhere_globals),
php_sqlany_init_globals, NULL);
#else
php_sqlany_init_globals( &sqlanywhere_globals TSRMLS_CC );
#endif
REGISTER_INI_ENTRIES();
_debug_enabled( SQLAnyDebug( _LOCATION_, "BEGIN MINIT " ) );
if( !sqlany_initialize_interface( &api, NULL ) ) {
_debug_enabled( SQLAnyDebug( _LOCATION_, "Failed to load interface" ) );
php_error_docref(NULL TSRMLS_CC, E_WARNING, DBCAPI_NOT_FOUND_ERROR );
}
le_conn = zend_register_list_destructors_ex( sqlany_close_connection,
NULL,
"SQLAnywhere connection", module_number );
le_pconn = zend_register_list_destructors_ex( NULL,
sqlany_close_connection,
"SQLAnywhere persistent connection ", module_number );
le_result = zend_register_list_destructors_ex( sqlany_close_result,
NULL,
"SQLAnywhere result", module_number );
le_stmt = zend_register_list_destructors_ex( sqlany_close_stmt,
NULL,
"SQLAnywhere statement", module_number );
REGISTER_LONG_CONSTANT("SASQL_D_INPUT", 1, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_D_OUTPUT", 2, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_D_INPUT_OUTPUT", 3, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_USE_RESULT", 0, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_STORE_RESULT", 1, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_NUM", 1, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_ASSOC", 2, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SASQL_BOTH", 3, CONST_CS | CONST_PERSISTENT);
_debug_enabled( SQLAnyDebug( _LOCATION_, "FINI MINIT " ) );
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(sqlanywhere)
/**********************************/
{
_debug_enabled( SQLAnyDebug( _LOCATION_, "BEGIN MSHUTDOWN " ) );
UNREGISTER_INI_ENTRIES();
if( !api.initialized ) {
_debug_enabled( SQLAnyDebug( _LOCATION_, "FINI MSHUTDOWN" ) );
return SUCCESS;
}
if( SAG(sqlany_init_called) == 1 ) {
if( SAG(context) ) {
api.sqlany_fini_ex( SAG(context) );
_debug_enabled( SQLAnyDebug( _LOCATION_, "sqlany_fini_ex called" ) );
} else {
api.sqlany_fini();
_debug_enabled( SQLAnyDebug( _LOCATION_, "sqlany_fini called" ) );
}
SAG(sqlany_init_called) = 0;
}
sqlany_finalize_interface( &api );
_debug_enabled( SQLAnyDebug( _LOCATION_, "FINI MSHUTDOWN" ) );
return SUCCESS;
}
/* Remove if there's nothing to do at request start */
PHP_RINIT_FUNCTION(sqlanywhere)
/******************************/
{
_debug_enabled( SQLAnyDebug( _LOCATION_, "BEGIN RINIT" ) );
_debug_enabled( SQLAnyDebug( _LOCATION_, "api.initialized=%d", api.initialized) );
if( api.initialized && SAG(sqlany_init_called) == 0 ) {
if( api.sqlany_init_ex != NULL ) {
SAG(context) = api.sqlany_init_ex( "PHP", 2, NULL );
if( SAG(context) != NULL ) {
SAG(sqlany_init_called) = 1;
}
}
if( SAG(sqlany_init_called) == 0 && !api.sqlany_init( "PHP", 1, NULL ) ) {
_debug_enabled( SQLAnyDebug( _LOCATION_, "Failed in sqlany_init() " ) );
return FAILURE;
}
SAG(sqlany_init_called) = 1;
_debug_enabled( SQLAnyDebug( _LOCATION_, "sqlany_init() called successfully" ) );
}
_debug_enabled( SQLAnyDebug( _LOCATION_, "END RINIT" ) );
return SUCCESS;
}
/* Remove if there's nothing to do at request end */
PHP_RSHUTDOWN_FUNCTION(sqlanywhere)
/**********************************/
{
_debug_enabled( SQLAnyDebug( _LOCATION_, "BEGIN RSHUTDOWN" ) );
_debug_enabled( SQLAnyDebug( _LOCATION_, "END RSHUTDOWN" ) );
return SUCCESS;
}
PHP_MINFO_FUNCTION(sqlanywhere)
/******************************/
{
char maxp[32],maxl[32],client_version[32];
if ( SAG(max_pconns) == -1 ) {
snprintf(maxp, 31, "%ld/unlimited", SAG(num_pconns) );
} else {
snprintf(maxp, 31, "%ld/%ld", SAG(num_pconns), SAG(max_pconns));
}
maxp[31]=0;
if ( SAG(max_conns) == -1) {
snprintf(maxl, 31, "%ld/unlimited", SAG(num_conns) );
} else {
snprintf(maxl, 31, "%ld/%ld", SAG(num_conns), SAG(max_conns) );