mirror of
https://github.com/php/php-src.git
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311 lines
7.4 KiB
C
311 lines
7.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2006 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Wez Furlong <wez@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "pdo/php_pdo.h"
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#include "pdo/php_pdo_driver.h"
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#include "php_pdo_sqlite.h"
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#include "php_pdo_sqlite_int.h"
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static int pdo_sqlite_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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if (S->stmt) {
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sqlite3_finalize(S->stmt);
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S->stmt = NULL;
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}
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efree(S);
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return 1;
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}
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static int pdo_sqlite_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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if (stmt->executed && !S->done) {
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sqlite3_reset(S->stmt);
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}
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S->done = 0;
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switch (sqlite3_step(S->stmt)) {
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case SQLITE_ROW:
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S->pre_fetched = 1;
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stmt->column_count = sqlite3_data_count(S->stmt);
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return 1;
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case SQLITE_DONE:
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stmt->column_count = sqlite3_column_count(S->stmt);
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stmt->row_count = sqlite3_changes(S->H->db);
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sqlite3_reset(S->stmt);
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S->done = 1;
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return 1;
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case SQLITE_ERROR:
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case SQLITE_MISUSE:
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case SQLITE_BUSY:
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default:
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pdo_sqlite_error_stmt(stmt);
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return 0;
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}
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}
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static int pdo_sqlite_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param,
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enum pdo_param_event event_type TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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switch (event_type) {
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case PDO_PARAM_EVT_EXEC_PRE:
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if (stmt->executed && !S->done) {
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sqlite3_reset(S->stmt);
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S->done = 1;
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}
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if (param->is_param) {
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if (param->paramno == -1) {
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param->paramno = sqlite3_bind_parameter_index(S->stmt, param->name) - 1;
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}
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switch (PDO_PARAM_TYPE(param->param_type)) {
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case PDO_PARAM_LOB:
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case PDO_PARAM_STMT:
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return 0;
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case PDO_PARAM_NULL:
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if (sqlite3_bind_null(S->stmt, param->paramno + 1) == SQLITE_OK) {
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return 1;
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}
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pdo_sqlite_error_stmt(stmt);
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return 0;
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case PDO_PARAM_STR:
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default:
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if (Z_TYPE_P(param->parameter) == IS_NULL) {
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if (sqlite3_bind_null(S->stmt, param->paramno + 1) == SQLITE_OK) {
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return 1;
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}
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} else {
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convert_to_string(param->parameter);
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if(SQLITE_OK == sqlite3_bind_text(S->stmt, param->paramno + 1,
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Z_STRVAL_P(param->parameter),
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Z_STRLEN_P(param->parameter),
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SQLITE_STATIC)) {
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return 1;
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}
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}
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pdo_sqlite_error_stmt(stmt);
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return 0;
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}
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}
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break;
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default:
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;
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}
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return 1;
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}
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static int pdo_sqlite_stmt_fetch(pdo_stmt_t *stmt,
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enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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int i;
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if (!S->stmt) {
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return 0;
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}
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if (S->pre_fetched) {
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S->pre_fetched = 0;
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return 1;
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}
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if (S->done) {
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return 0;
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}
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i = sqlite3_step(S->stmt);
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switch (i) {
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case SQLITE_ROW:
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return 1;
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case SQLITE_DONE:
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S->done = 1;
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sqlite3_reset(S->stmt);
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return 0;
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default:
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pdo_sqlite_error_stmt(stmt);
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return 0;
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}
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}
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static int pdo_sqlite_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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if(colno >= sqlite3_column_count(S->stmt)) {
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/* error invalid column */
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pdo_sqlite_error_stmt(stmt);
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return 0;
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}
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stmt->columns[colno].name = estrdup(sqlite3_column_name(S->stmt, colno));
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stmt->columns[colno].namelen = strlen(stmt->columns[colno].name);
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stmt->columns[colno].maxlen = 0xffffffff;
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stmt->columns[colno].precision = 0;
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switch (sqlite3_column_type(S->stmt, colno)) {
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case SQLITE_INTEGER:
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case SQLITE_FLOAT:
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case SQLITE3_TEXT:
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case SQLITE_BLOB:
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case SQLITE_NULL:
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default:
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stmt->columns[colno].param_type = PDO_PARAM_STR;
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break;
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}
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return 1;
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}
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static int pdo_sqlite_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len, int *caller_frees TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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if (!S->stmt) {
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return 0;
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}
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if(colno >= sqlite3_data_count(S->stmt)) {
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/* error invalid column */
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pdo_sqlite_error_stmt(stmt);
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return 0;
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}
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switch (sqlite3_column_type(S->stmt, colno)) {
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case SQLITE_NULL:
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*ptr = NULL;
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*len = 0;
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return 1;
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case SQLITE_BLOB:
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*ptr = (char*)sqlite3_column_blob(S->stmt, colno);
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*len = sqlite3_column_bytes(S->stmt, colno);
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return 1;
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case SQLITE3_TEXT:
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*ptr = (char*)sqlite3_column_text(S->stmt, colno);
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*len = sqlite3_column_bytes(S->stmt, colno);
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if (*len) {
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/* sqlite3.h says "the NUL terminator is included in the byte count
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* for TEXT values" */
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*len--;
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}
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return 1;
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default:
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*ptr = (char*)sqlite3_column_text(S->stmt, colno);
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*len = sqlite3_column_bytes(S->stmt, colno);
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return 1;
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}
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}
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static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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char *str;
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zval *flags;
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if (!S->stmt) {
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return FAILURE;
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}
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if(colno >= sqlite3_data_count(S->stmt)) {
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/* error invalid column */
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pdo_sqlite_error_stmt(stmt);
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return FAILURE;
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}
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array_init(return_value);
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MAKE_STD_ZVAL(flags);
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array_init(flags);
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switch (sqlite3_column_type(S->stmt, colno)) {
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case SQLITE_NULL:
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add_assoc_string(return_value, "native_type", "null", 1);
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break;
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case SQLITE_FLOAT:
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add_assoc_string(return_value, "native_type", "double", 1);
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break;
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case SQLITE_BLOB:
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add_next_index_string(flags, "blob", 1);
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case SQLITE_TEXT:
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add_assoc_string(return_value, "native_type", "string", 1);
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break;
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case SQLITE_INTEGER:
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add_assoc_string(return_value, "native_type", "integer", 1);
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break;
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}
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str = (char*)sqlite3_column_decltype(S->stmt, colno);
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if (str) {
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add_assoc_string(return_value, "sqlite:decl_type", str, 1);
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}
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add_assoc_zval(return_value, "flags", flags);
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return SUCCESS;
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}
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static int pdo_sqlite_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC)
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{
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pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
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sqlite3_reset(S->stmt);
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return 1;
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}
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struct pdo_stmt_methods sqlite_stmt_methods = {
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pdo_sqlite_stmt_dtor,
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pdo_sqlite_stmt_execute,
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pdo_sqlite_stmt_fetch,
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pdo_sqlite_stmt_describe,
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pdo_sqlite_stmt_get_col,
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pdo_sqlite_stmt_param_hook,
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NULL, /* set_attr */
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NULL, /* get_attr */
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pdo_sqlite_stmt_col_meta,
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NULL, /* next_rowset */
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pdo_sqlite_stmt_cursor_closer
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};
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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