Mercurial > cpython-lru_cache-weakref

annotate Modules/_sqlite/statement.c @ 57303:4aa4c19dfaed legacy-trunk

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#1757126: fix typo with the cyrillic_asian alias
author Philip Jenvey <pjenvey@underboss.org>
date Tue, 17 Nov 2009 02:42:26 +0000
parents 76bc75772736
children 787b969d37f0 04d3ae52ff73
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* statement.c - the statement type
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2 *
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3 * Copyright (C) 2005-2007 Gerhard Häring <gh@ghaering.de>
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4 *
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5 * This file is part of pysqlite.
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6 *
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7 * This software is provided 'as-is', without any express or implied
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8 * warranty. In no event will the authors be held liable for any damages
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9 * arising from the use of this software.
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10 *
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11 * Permission is granted to anyone to use this software for any purpose,
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12 * including commercial applications, and to alter it and redistribute it
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13 * freely, subject to the following restrictions:
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14 *
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15 * 1. The origin of this software must not be misrepresented; you must not
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16 * claim that you wrote the original software. If you use this software
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17 * in a product, an acknowledgment in the product documentation would be
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18 * appreciated but is not required.
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19 * 2. Altered source versions must be plainly marked as such, and must not be
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20 * misrepresented as being the original software.
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21 * 3. This notice may not be removed or altered from any source distribution.
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22 */
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23
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24 #include "statement.h"
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25 #include "cursor.h"
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26 #include "connection.h"
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27 #include "microprotocols.h"
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28 #include "prepare_protocol.h"
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29 #include "sqlitecompat.h"
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30
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31 /* prototypes */
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32 static int pysqlite_check_remaining_sql(const char* tail);
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33
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34 typedef enum {
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35 LINECOMMENT_1,
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36 IN_LINECOMMENT,
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37 COMMENTSTART_1,
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38 IN_COMMENT,
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39 COMMENTEND_1,
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40 NORMAL
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41 } parse_remaining_sql_state;
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42
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43 typedef enum {
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44 TYPE_INT,
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45 TYPE_LONG,
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46 TYPE_FLOAT,
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47 TYPE_STRING,
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48 TYPE_UNICODE,
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49 TYPE_BUFFER,
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50 TYPE_UNKNOWN
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51 } parameter_type;
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52
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53 int pysqlite_statement_create(pysqlite_Statement* self, pysqlite_Connection* connection, PyObject* sql)
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54 {
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55 const char* tail;
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56 int rc;
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57 PyObject* sql_str;
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58 char* sql_cstr;
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59
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60 self->st = NULL;
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61 self->in_use = 0;
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62
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63 if (PyString_Check(sql)) {
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64 sql_str = sql;
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65 Py_INCREF(sql_str);
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66 } else if (PyUnicode_Check(sql)) {
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67 sql_str = PyUnicode_AsUTF8String(sql);
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68 if (!sql_str) {
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69 rc = PYSQLITE_SQL_WRONG_TYPE;
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70 return rc;
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71 }
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72 } else {
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73 rc = PYSQLITE_SQL_WRONG_TYPE;
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74 return rc;
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75 }
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76
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77 self->in_weakreflist = NULL;
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78 self->sql = sql_str;
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79
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80 sql_cstr = PyString_AsString(sql_str);
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81
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82 Py_BEGIN_ALLOW_THREADS
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83 rc = sqlite3_prepare(connection->db,
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84 sql_cstr,
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85 -1,
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86 &self->st,
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87 &tail);
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88 Py_END_ALLOW_THREADS
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89
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90 self->db = connection->db;
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91
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92 if (rc == SQLITE_OK && pysqlite_check_remaining_sql(tail)) {
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93 (void)sqlite3_finalize(self->st);
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94 self->st = NULL;
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95 rc = PYSQLITE_TOO_MUCH_SQL;
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96 }
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97
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98 return rc;
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99 }
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100
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101 int pysqlite_statement_bind_parameter(pysqlite_Statement* self, int pos, PyObject* parameter, int allow_8bit_chars)
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102 {
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103 int rc = SQLITE_OK;
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104 long longval;
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105 PY_LONG_LONG longlongval;
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106 const char* buffer;
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107 char* string;
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108 Py_ssize_t buflen;
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109 PyObject* stringval;
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110 parameter_type paramtype;
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111 char* c;
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112
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113 if (parameter == Py_None) {
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114 rc = sqlite3_bind_null(self->st, pos);
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115 goto final;
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116 }
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117
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118 if (PyInt_CheckExact(parameter)) {
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119 paramtype = TYPE_INT;
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120 } else if (PyLong_CheckExact(parameter)) {
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121 paramtype = TYPE_LONG;
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122 } else if (PyFloat_CheckExact(parameter)) {
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123 paramtype = TYPE_FLOAT;
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124 } else if (PyString_CheckExact(parameter)) {
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125 paramtype = TYPE_STRING;
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126 } else if (PyUnicode_CheckExact(parameter)) {
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127 paramtype = TYPE_UNICODE;
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128 } else if (PyBuffer_Check(parameter)) {
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129 paramtype = TYPE_BUFFER;
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130 } else if (PyInt_Check(parameter)) {
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131 paramtype = TYPE_INT;
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132 } else if (PyLong_Check(parameter)) {
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133 paramtype = TYPE_LONG;
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134 } else if (PyFloat_Check(parameter)) {
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135 paramtype = TYPE_FLOAT;
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136 } else if (PyString_Check(parameter)) {
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137 paramtype = TYPE_STRING;
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138 } else if (PyUnicode_Check(parameter)) {
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139 paramtype = TYPE_UNICODE;
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140 } else {
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141 paramtype = TYPE_UNKNOWN;
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diff changeset
142 }
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diff changeset
143
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144 if (paramtype == TYPE_STRING && !allow_8bit_chars) {
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145 string = PyString_AS_STRING(parameter);
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146 for (c = string; *c != 0; c++) {
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diff changeset
147 if (*c & 0x80) {
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148 PyErr_SetString(pysqlite_ProgrammingError, "You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings.");
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149 rc = -1;
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diff changeset
150 goto final;
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diff changeset
151 }
a21854e510b4 Update sqlite3 module to match current version of pysqlite.
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152 }
a21854e510b4 Update sqlite3 module to match current version of pysqlite.
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153 }
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154
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155 switch (paramtype) {
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156 case TYPE_INT:
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157 longval = PyInt_AsLong(parameter);
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158 rc = sqlite3_bind_int64(self->st, pos, (sqlite_int64)longval);
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159 break;
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160 case TYPE_LONG:
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161 longlongval = PyLong_AsLongLong(parameter);
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162 /* in the overflow error case, longlongval is -1, and an exception is set */
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163 rc = sqlite3_bind_int64(self->st, pos, (sqlite_int64)longlongval);
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164 break;
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165 case TYPE_FLOAT:
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166 rc = sqlite3_bind_double(self->st, pos, PyFloat_AsDouble(parameter));
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167 break;
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168 case TYPE_STRING:
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169 string = PyString_AS_STRING(parameter);
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170 rc = sqlite3_bind_text(self->st, pos, string, -1, SQLITE_TRANSIENT);
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171 break;
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172 case TYPE_UNICODE:
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173 stringval = PyUnicode_AsUTF8String(parameter);
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174 string = PyString_AsString(stringval);
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175 rc = sqlite3_bind_text(self->st, pos, string, -1, SQLITE_TRANSIENT);
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176 Py_DECREF(stringval);
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177 break;
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178 case TYPE_BUFFER:
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179 if (PyObject_AsCharBuffer(parameter, &buffer, &buflen) == 0) {
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180 rc = sqlite3_bind_blob(self->st, pos, buffer, buflen, SQLITE_TRANSIENT);
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181 } else {
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182 PyErr_SetString(PyExc_ValueError, "could not convert BLOB to buffer");
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183 rc = -1;
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184 }
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185 break;
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186 case TYPE_UNKNOWN:
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187 rc = -1;
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188 }
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189
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190 final:
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191 return rc;
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diff changeset
192 }
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193
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194 /* returns 0 if the object is one of Python's internal ones that don't need to be adapted */
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195 static int _need_adapt(PyObject* obj)
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diff changeset
196 {
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diff changeset
197 if (pysqlite_BaseTypeAdapted) {
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198 return 1;
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diff changeset
199 }
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diff changeset
200
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diff changeset
201 if (PyInt_CheckExact(obj) || PyLong_CheckExact(obj)
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diff changeset
202 || PyFloat_CheckExact(obj) || PyString_CheckExact(obj)
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203 || PyUnicode_CheckExact(obj) || PyBuffer_Check(obj)) {
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204 return 0;
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diff changeset
205 } else {
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206 return 1;
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diff changeset
207 }
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diff changeset
208 }
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diff changeset
209
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210 void pysqlite_statement_bind_parameters(pysqlite_Statement* self, PyObject* parameters, int allow_8bit_chars)
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diff changeset
211 {
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diff changeset
212 PyObject* current_param;
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diff changeset
213 PyObject* adapted;
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diff changeset
214 const char* binding_name;
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diff changeset
215 int i;
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diff changeset
216 int rc;
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diff changeset
217 int num_params_needed;
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diff changeset
218 int num_params;
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diff changeset
219
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diff changeset
220 Py_BEGIN_ALLOW_THREADS
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diff changeset
221 num_params_needed = sqlite3_bind_parameter_count(self->st);
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diff changeset
222 Py_END_ALLOW_THREADS
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diff changeset
223
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diff changeset
224 if (PyTuple_CheckExact(parameters) || PyList_CheckExact(parameters) || (!PyDict_Check(parameters) && PySequence_Check(parameters))) {
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diff changeset
225 /* parameters passed as sequence */
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diff changeset
226 if (PyTuple_CheckExact(parameters)) {
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diff changeset
227 num_params = PyTuple_GET_SIZE(parameters);
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diff changeset
228 } else if (PyList_CheckExact(parameters)) {
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diff changeset
229 num_params = PyList_GET_SIZE(parameters);
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diff changeset
230 } else {
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diff changeset
231 num_params = PySequence_Size(parameters);
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diff changeset
232 }
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diff changeset
233 if (num_params != num_params_needed) {
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diff changeset
234 PyErr_Format(pysqlite_ProgrammingError, "Incorrect number of bindings supplied. The current statement uses %d, and there are %d supplied.",
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diff changeset
235 num_params_needed, num_params);
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diff changeset
236 return;
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diff changeset
237 }
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diff changeset
238 for (i = 0; i < num_params; i++) {
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diff changeset
239 if (PyTuple_CheckExact(parameters)) {
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diff changeset
240 current_param = PyTuple_GET_ITEM(parameters, i);
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diff changeset
241 Py_XINCREF(current_param);
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diff changeset
242 } else if (PyList_CheckExact(parameters)) {
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diff changeset
243 current_param = PyList_GET_ITEM(parameters, i);
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diff changeset
244 Py_XINCREF(current_param);
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diff changeset
245 } else {
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diff changeset
246 current_param = PySequence_GetItem(parameters, i);
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diff changeset
247 }
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diff changeset
248 if (!current_param) {
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diff changeset
249 return;
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diff changeset
250 }
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diff changeset
251
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diff changeset
252 if (!_need_adapt(current_param)) {
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diff changeset
253 adapted = current_param;
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diff changeset
254 } else {
49154
4c77d1016f60 Fixes issue #3103. In the sqlite3 module, made one more function static. All renaming public symbos now have the pysqlite prefix to avoid name clashes. This at least once created problems where the same symbol name appeared somewhere in Apache and the sqlite3 module was used from mod_python.
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diff changeset
255 adapted = pysqlite_microprotocols_adapt(current_param, (PyObject*)&pysqlite_PrepareProtocolType, NULL);
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diff changeset
256 if (adapted) {
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diff changeset
257 Py_DECREF(current_param);
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258 } else {
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259 PyErr_Clear();
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260 adapted = current_param;
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261 }
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262 }
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263
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264 rc = pysqlite_statement_bind_parameter(self, i + 1, adapted, allow_8bit_chars);
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265 Py_DECREF(adapted);
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266
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267 if (rc != SQLITE_OK) {
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268 if (!PyErr_Occurred()) {
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269 PyErr_Format(pysqlite_InterfaceError, "Error binding parameter %d - probably unsupported type.", i);
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270 }
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271 return;
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272 }
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273 }
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274 } else if (PyDict_Check(parameters)) {
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275 /* parameters passed as dictionary */
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276 for (i = 1; i <= num_params_needed; i++) {
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277 Py_BEGIN_ALLOW_THREADS
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278 binding_name = sqlite3_bind_parameter_name(self->st, i);
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279 Py_END_ALLOW_THREADS
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280 if (!binding_name) {
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281 PyErr_Format(pysqlite_ProgrammingError, "Binding %d has no name, but you supplied a dictionary (which has only names).", i);
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282 return;
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283 }
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284
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285 binding_name++; /* skip first char (the colon) */
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286 if (PyDict_CheckExact(parameters)) {
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287 current_param = PyDict_GetItemString(parameters, binding_name);
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288 Py_XINCREF(current_param);
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289 } else {
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290 current_param = PyMapping_GetItemString(parameters, (char*)binding_name);
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291 }
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292 if (!current_param) {
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293 PyErr_Format(pysqlite_ProgrammingError, "You did not supply a value for binding %d.", i);
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294 return;
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295 }
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296
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297 if (!_need_adapt(current_param)) {
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298 adapted = current_param;
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299 } else {
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4c77d1016f60 Fixes issue #3103. In the sqlite3 module, made one more function static. All renaming public symbos now have the pysqlite prefix to avoid name clashes. This at least once created problems where the same symbol name appeared somewhere in Apache and the sqlite3 module was used from mod_python.
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300 adapted = pysqlite_microprotocols_adapt(current_param, (PyObject*)&pysqlite_PrepareProtocolType, NULL);
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301 if (adapted) {
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302 Py_DECREF(current_param);
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303 } else {
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304 PyErr_Clear();
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305 adapted = current_param;
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306 }
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307 }
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308
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309 rc = pysqlite_statement_bind_parameter(self, i, adapted, allow_8bit_chars);
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310 Py_DECREF(adapted);
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311
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312 if (rc != SQLITE_OK) {
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313 if (!PyErr_Occurred()) {
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314 PyErr_Format(pysqlite_InterfaceError, "Error binding parameter :%s - probably unsupported type.", binding_name);
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315 }
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316 return;
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317 }
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318 }
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319 } else {
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320 PyErr_SetString(PyExc_ValueError, "parameters are of unsupported type");
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321 }
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322 }
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323
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324 int pysqlite_statement_recompile(pysqlite_Statement* self, PyObject* params)
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325 {
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326 const char* tail;
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327 int rc;
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328 char* sql_cstr;
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329 sqlite3_stmt* new_st;
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330
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331 sql_cstr = PyString_AsString(self->sql);
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332
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333 Py_BEGIN_ALLOW_THREADS
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334 rc = sqlite3_prepare(self->db,
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335 sql_cstr,
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336 -1,
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337 &new_st,
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338 &tail);
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339 Py_END_ALLOW_THREADS
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340
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341 if (rc == SQLITE_OK) {
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342 /* The efficient sqlite3_transfer_bindings is only available in SQLite
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343 * version 3.2.2 or later. For older SQLite releases, that might not
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344 * even define SQLITE_VERSION_NUMBER, we do it the manual way.
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345 */
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346 #ifdef SQLITE_VERSION_NUMBER
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347 #if SQLITE_VERSION_NUMBER >= 3002002
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348 /* The check for the number of parameters is necessary to not trigger a
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349 * bug in certain SQLite versions (experienced in 3.2.8 and 3.3.4). */
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350 if (sqlite3_bind_parameter_count(self->st) > 0) {
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351 (void)sqlite3_transfer_bindings(self->st, new_st);
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352 }
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353 #endif
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354 #else
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355 statement_bind_parameters(self, params);
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356 #endif
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357
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358 (void)sqlite3_finalize(self->st);
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359 self->st = new_st;
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360 }
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361
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362 return rc;
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363 }
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364
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365 int pysqlite_statement_finalize(pysqlite_Statement* self)
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366 {
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367 int rc;
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368
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369 rc = SQLITE_OK;
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370 if (self->st) {
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371 Py_BEGIN_ALLOW_THREADS
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372 rc = sqlite3_finalize(self->st);
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373 Py_END_ALLOW_THREADS
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374 self->st = NULL;
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375 }
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376
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377 self->in_use = 0;
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378
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379 return rc;
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380 }
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381
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382 int pysqlite_statement_reset(pysqlite_Statement* self)
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383 {
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384 int rc;
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385
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386 rc = SQLITE_OK;
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387
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388 if (self->in_use && self->st) {
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389 Py_BEGIN_ALLOW_THREADS
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390 rc = sqlite3_reset(self->st);
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391 Py_END_ALLOW_THREADS
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parents:
diff changeset
392
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
393 if (rc == SQLITE_OK) {
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parents:
diff changeset
394 self->in_use = 0;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
395 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
396 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
397
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
398 return rc;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
399 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
400
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
401 void pysqlite_statement_mark_dirty(pysqlite_Statement* self)
37362
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parents:
diff changeset
402 {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
403 self->in_use = 1;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
404 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
405
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
406 void pysqlite_statement_dealloc(pysqlite_Statement* self)
37362
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
407 {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
408 int rc;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
409
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
410 if (self->st) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
411 Py_BEGIN_ALLOW_THREADS
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
412 rc = sqlite3_finalize(self->st);
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
413 Py_END_ALLOW_THREADS
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
414 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
415
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
416 self->st = NULL;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
417
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
418 Py_XDECREF(self->sql);
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parents:
diff changeset
419
37938
7da4af95ebad Updated the sqlite3 module to the external pysqlite 2.2.2 version.
Gerhard Häring <gh@ghaering.de>
parents: 37764
diff changeset
420 if (self->in_weakreflist != NULL) {
7da4af95ebad Updated the sqlite3 module to the external pysqlite 2.2.2 version.
Gerhard Häring <gh@ghaering.de>
parents: 37764
diff changeset
421 PyObject_ClearWeakRefs((PyObject*)self);
7da4af95ebad Updated the sqlite3 module to the external pysqlite 2.2.2 version.
Gerhard Häring <gh@ghaering.de>
parents: 37764
diff changeset
422 }
7da4af95ebad Updated the sqlite3 module to the external pysqlite 2.2.2 version.
Gerhard Häring <gh@ghaering.de>
parents: 37764
diff changeset
423
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 44274
diff changeset
424 Py_TYPE(self)->tp_free((PyObject*)self);
37362
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
425 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
426
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
427 /*
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
428 * Checks if there is anything left in an SQL string after SQLite compiled it.
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
429 * This is used to check if somebody tried to execute more than one SQL command
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
430 * with one execute()/executemany() command, which the DB-API and we don't
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
431 * allow.
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
432 *
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
433 * Returns 1 if there is more left than should be. 0 if ok.
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
434 */
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
435 static int pysqlite_check_remaining_sql(const char* tail)
37362
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
436 {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
437 const char* pos = tail;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
438
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
439 parse_remaining_sql_state state = NORMAL;
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diff changeset
440
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
441 for (;;) {
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parents:
diff changeset
442 switch (*pos) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
443 case 0:
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
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444 return 0;
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parents:
diff changeset
445 case '-':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
446 if (state == NORMAL) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
447 state = LINECOMMENT_1;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
448 } else if (state == LINECOMMENT_1) {
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parents:
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449 state = IN_LINECOMMENT;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
450 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
451 break;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
452 case ' ':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
453 case '\t':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
454 break;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
455 case '\n':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
456 case 13:
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
457 if (state == IN_LINECOMMENT) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
458 state = NORMAL;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
459 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
460 break;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
461 case '/':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
462 if (state == NORMAL) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
463 state = COMMENTSTART_1;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
464 } else if (state == COMMENTEND_1) {
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parents:
diff changeset
465 state = NORMAL;
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parents:
diff changeset
466 } else if (state == COMMENTSTART_1) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
467 return 1;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
468 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
469 break;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
470 case '*':
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
471 if (state == NORMAL) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
472 return 1;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
473 } else if (state == LINECOMMENT_1) {
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
474 return 1;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
475 } else if (state == COMMENTSTART_1) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
476 state = IN_COMMENT;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
477 } else if (state == IN_COMMENT) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
478 state = COMMENTEND_1;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
479 }
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
480 break;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
481 default:
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
482 if (state == COMMENTEND_1) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
483 state = IN_COMMENT;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
484 } else if (state == IN_LINECOMMENT) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
485 } else if (state == IN_COMMENT) {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
486 } else {
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
487 return 1;
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
488 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
489 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
490
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
491 pos++;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
492 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
493
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
494 return 0;
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
495 }
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
496
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
497 PyTypeObject pysqlite_StatementType = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 40625
diff changeset
498 PyVarObject_HEAD_INIT(NULL, 0)
37495
d3969aeba777 upgrade to final version of pysqlite 2.2.0
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37458
diff changeset
499 MODULE_NAME ".Statement", /* tp_name */
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
500 sizeof(pysqlite_Statement), /* tp_basicsize */
37362
e546274d6503 merged the sqlite-integration branch.
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parents:
diff changeset
501 0, /* tp_itemsize */
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
502 (destructor)pysqlite_statement_dealloc, /* tp_dealloc */
37362
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
503 0, /* tp_print */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
504 0, /* tp_getattr */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
505 0, /* tp_setattr */
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
506 0, /* tp_compare */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
507 0, /* tp_repr */
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
508 0, /* tp_as_number */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
509 0, /* tp_as_sequence */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
510 0, /* tp_as_mapping */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
511 0, /* tp_hash */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
512 0, /* tp_call */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
513 0, /* tp_str */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
514 0, /* tp_getattro */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
515 0, /* tp_setattro */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
516 0, /* tp_as_buffer */
37938
7da4af95ebad Updated the sqlite3 module to the external pysqlite 2.2.2 version.
Gerhard Häring <gh@ghaering.de>
parents: 37764
diff changeset
517 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
37362
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
518 0, /* tp_doc */
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Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
519 0, /* tp_traverse */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
520 0, /* tp_clear */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
521 0, /* tp_richcompare */
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
522 offsetof(pysqlite_Statement, in_weakreflist), /* tp_weaklistoffset */
37362
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
523 0, /* tp_iter */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
524 0, /* tp_iternext */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
525 0, /* tp_methods */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
526 0, /* tp_members */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
527 0, /* tp_getset */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
528 0, /* tp_base */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
529 0, /* tp_dict */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
530 0, /* tp_descr_get */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
531 0, /* tp_descr_set */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
532 0, /* tp_dictoffset */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
533 (initproc)0, /* tp_init */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
534 0, /* tp_alloc */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
535 0, /* tp_new */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
536 0 /* tp_free */
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
537 };
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
538
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
539 extern int pysqlite_statement_setup_types(void)
37362
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
540 {
40625
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
541 pysqlite_StatementType.tp_new = PyType_GenericNew;
b9d4ced23506 Merged changes from standalone version 2.3.3. This should probably all be
Gerhard Häring <gh@ghaering.de>
parents: 37938
diff changeset
542 return PyType_Ready(&pysqlite_StatementType);
37362
e546274d6503 merged the sqlite-integration branch.
Anthony Baxter <anthonybaxter@gmail.com>
parents:
diff changeset
543 }