Mercurial > cpython-lru_cache-weakref

annotate Modules/_sqlite/statement.c @ 87488:124e51c19e4f

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Issue #19734: Also run pip version check in isolated mode
author Nick Coghlan <ncoghlan@gmail.com>
date Sun, 24 Nov 2013 16:49:20 +1000
parents 2a01ca4b0edc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* statement.c - the statement type
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2 *
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e9cd15d539e1 Welcome to the UTF-8 world.
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3 * Copyright (C) 2005-2010 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 "util.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_LONG,
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45 TYPE_FLOAT,
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46 TYPE_UNICODE,
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47 TYPE_BUFFER,
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48 TYPE_UNKNOWN
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49 } parameter_type;
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50
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51 int pysqlite_statement_create(pysqlite_Statement* self, pysqlite_Connection* connection, PyObject* sql)
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52 {
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53 const char* tail;
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54 int rc;
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55 const char* sql_cstr;
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56 Py_ssize_t sql_cstr_len;
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57
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58 self->st = NULL;
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59 self->in_use = 0;
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60
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61 sql_cstr = _PyUnicode_AsStringAndSize(sql, &sql_cstr_len);
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62 if (sql_cstr == NULL) {
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63 rc = PYSQLITE_SQL_WRONG_TYPE;
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64 return rc;
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65 }
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66
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67 self->in_weakreflist = NULL;
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68 Py_INCREF(sql);
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69 self->sql = sql;
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70
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71 Py_BEGIN_ALLOW_THREADS
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72 rc = sqlite3_prepare(connection->db,
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73 sql_cstr,
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74 -1,
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75 &self->st,
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76 &tail);
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77 Py_END_ALLOW_THREADS
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78
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79 self->db = connection->db;
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80
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81 if (rc == SQLITE_OK && pysqlite_check_remaining_sql(tail)) {
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82 (void)sqlite3_finalize(self->st);
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83 self->st = NULL;
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84 rc = PYSQLITE_TOO_MUCH_SQL;
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85 }
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86
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87 return rc;
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88 }
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89
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90 int pysqlite_statement_bind_parameter(pysqlite_Statement* self, int pos, PyObject* parameter)
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91 {
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92 int rc = SQLITE_OK;
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93 const char* buffer;
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94 char* string;
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95 Py_ssize_t buflen;
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96 parameter_type paramtype;
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97
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98 if (parameter == Py_None) {
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99 rc = sqlite3_bind_null(self->st, pos);
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100 goto final;
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101 }
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102
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103 if (PyLong_CheckExact(parameter)) {
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104 paramtype = TYPE_LONG;
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105 } else if (PyFloat_CheckExact(parameter)) {
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106 paramtype = TYPE_FLOAT;
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107 } else if (PyUnicode_CheckExact(parameter)) {
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108 paramtype = TYPE_UNICODE;
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109 } else if (PyLong_Check(parameter)) {
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110 paramtype = TYPE_LONG;
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111 } else if (PyFloat_Check(parameter)) {
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112 paramtype = TYPE_FLOAT;
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113 } else if (PyUnicode_Check(parameter)) {
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114 paramtype = TYPE_UNICODE;
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115 } else if (PyObject_CheckBuffer(parameter)) {
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116 paramtype = TYPE_BUFFER;
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117 } else {
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118 paramtype = TYPE_UNKNOWN;
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119 }
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120
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121 switch (paramtype) {
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122 case TYPE_LONG: {
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Serhiy Storchaka <storchaka@gmail.com>
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diff changeset
123 sqlite_int64 value = _pysqlite_long_as_int64(parameter);
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parents: 74708
diff changeset
124 if (value == -1 && PyErr_Occurred())
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diff changeset
125 rc = -1;
55a89352e220 Issue #17073: Fix some integer overflows in sqlite3 module.
Serhiy Storchaka <storchaka@gmail.com>
parents: 74708
diff changeset
126 else
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parents: 74708
diff changeset
127 rc = sqlite3_bind_int64(self->st, pos, value);
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128 break;
82055
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parents: 74708
diff changeset
129 }
46178
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130 case TYPE_FLOAT:
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131 rc = sqlite3_bind_double(self->st, pos, PyFloat_AsDouble(parameter));
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132 break;
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diff changeset
133 case TYPE_UNICODE:
74708
2e13011b3719 sqlite3: Handle strings with embedded zeros correctly
Petri Lehtinen <petri@digip.org>
parents: 64423
diff changeset
134 string = _PyUnicode_AsStringAndSize(parameter, &buflen);
87234
40d25b2b93f0 sqlite: raise an OverflowError if a string or a BLOB is longer than INT_MAX
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parents: 86484
diff changeset
135 if (string == NULL)
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parents: 86484
diff changeset
136 return -1;
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parents: 86484
diff changeset
137 if (buflen > INT_MAX) {
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parents: 86484
diff changeset
138 PyErr_SetString(PyExc_OverflowError,
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diff changeset
139 "string longer than INT_MAX bytes");
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parents: 86484
diff changeset
140 return -1;
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parents: 86484
diff changeset
141 }
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diff changeset
142 rc = sqlite3_bind_text(self->st, pos, string, (int)buflen, SQLITE_TRANSIENT);
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143 break;
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144 case TYPE_BUFFER:
87234
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diff changeset
145 if (PyObject_AsCharBuffer(parameter, &buffer, &buflen) != 0) {
46178
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146 PyErr_SetString(PyExc_ValueError, "could not convert BLOB to buffer");
87234
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diff changeset
147 return -1;
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148 }
87234
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diff changeset
149 if (buflen > INT_MAX) {
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diff changeset
150 PyErr_SetString(PyExc_OverflowError,
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diff changeset
151 "BLOB longer than INT_MAX bytes");
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parents: 86484
diff changeset
152 return -1;
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diff changeset
153 }
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diff changeset
154 rc = sqlite3_bind_blob(self->st, pos, buffer, buflen, SQLITE_TRANSIENT);
46178
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155 break;
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diff changeset
156 case TYPE_UNKNOWN:
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diff changeset
157 rc = -1;
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158 }
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diff changeset
159
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diff changeset
160 final:
37879
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parents:
diff changeset
161 return rc;
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parents:
diff changeset
162 }
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parents:
diff changeset
163
46178
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164 /* returns 0 if the object is one of Python's internal ones that don't need to be adapted */
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165 static int _need_adapt(PyObject* obj)
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166 {
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diff changeset
167 if (pysqlite_BaseTypeAdapted) {
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168 return 1;
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diff changeset
169 }
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diff changeset
170
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diff changeset
171 if (PyLong_CheckExact(obj) || PyFloat_CheckExact(obj)
47300
96b34263e448 Renamed PyBytes to PyByteArray
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
172 || PyUnicode_CheckExact(obj) || PyByteArray_CheckExact(obj)) {
46178
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173 return 0;
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diff changeset
174 } else {
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diff changeset
175 return 1;
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diff changeset
176 }
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diff changeset
177 }
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diff changeset
178
74850
0fc10a33eb4c Undocument and clean up sqlite3.OptimizedUnicode
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diff changeset
179 void pysqlite_statement_bind_parameters(pysqlite_Statement* self, PyObject* parameters)
37879
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180 {
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parents:
diff changeset
181 PyObject* current_param;
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parents:
diff changeset
182 PyObject* adapted;
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parents:
diff changeset
183 const char* binding_name;
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parents:
diff changeset
184 int i;
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parents:
diff changeset
185 int rc;
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diff changeset
186 int num_params_needed;
87236
2a01ca4b0edc sqlite: Use Py_ssize_t to store a size instead of an int
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diff changeset
187 Py_ssize_t num_params;
37879
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parents:
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188
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parents:
diff changeset
189 Py_BEGIN_ALLOW_THREADS
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diff changeset
190 num_params_needed = sqlite3_bind_parameter_count(self->st);
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191 Py_END_ALLOW_THREADS
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diff changeset
192
46178
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193 if (PyTuple_CheckExact(parameters) || PyList_CheckExact(parameters) || (!PyDict_Check(parameters) && PySequence_Check(parameters))) {
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194 /* parameters passed as sequence */
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diff changeset
195 if (PyTuple_CheckExact(parameters)) {
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diff changeset
196 num_params = PyTuple_GET_SIZE(parameters);
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diff changeset
197 } else if (PyList_CheckExact(parameters)) {
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diff changeset
198 num_params = PyList_GET_SIZE(parameters);
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diff changeset
199 } else {
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diff changeset
200 num_params = PySequence_Size(parameters);
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diff changeset
201 }
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diff changeset
202 if (num_params != num_params_needed) {
87236
2a01ca4b0edc sqlite: Use Py_ssize_t to store a size instead of an int
Victor Stinner <victor.stinner@gmail.com>
parents: 87234
diff changeset
203 PyErr_Format(pysqlite_ProgrammingError,
2a01ca4b0edc sqlite: Use Py_ssize_t to store a size instead of an int
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parents: 87234
diff changeset
204 "Incorrect number of bindings supplied. The current "
2a01ca4b0edc sqlite: Use Py_ssize_t to store a size instead of an int
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parents: 87234
diff changeset
205 "statement uses %d, and there are %zd supplied.",
46178
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diff changeset
206 num_params_needed, num_params);
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diff changeset
207 return;
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diff changeset
208 }
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diff changeset
209 for (i = 0; i < num_params; i++) {
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diff changeset
210 if (PyTuple_CheckExact(parameters)) {
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diff changeset
211 current_param = PyTuple_GET_ITEM(parameters, i);
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diff changeset
212 Py_XINCREF(current_param);
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diff changeset
213 } else if (PyList_CheckExact(parameters)) {
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diff changeset
214 current_param = PyList_GET_ITEM(parameters, i);
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diff changeset
215 Py_XINCREF(current_param);
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diff changeset
216 } else {
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diff changeset
217 current_param = PySequence_GetItem(parameters, i);
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diff changeset
218 }
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diff changeset
219 if (!current_param) {
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diff changeset
220 return;
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parents: 44351
diff changeset
221 }
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parents: 44351
diff changeset
222
e06e08e8fdce Bring sqlite3 module up-to-date with what's now in 2.6. Almost. I intentionally
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diff changeset
223 if (!_need_adapt(current_param)) {
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diff changeset
224 adapted = current_param;
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diff changeset
225 } else {
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Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
226 adapted = pysqlite_microprotocols_adapt(current_param, (PyObject*)&pysqlite_PrepareProtocolType, NULL);
46178
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diff changeset
227 if (adapted) {
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diff changeset
228 Py_DECREF(current_param);
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diff changeset
229 } else {
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diff changeset
230 PyErr_Clear();
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diff changeset
231 adapted = current_param;
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diff changeset
232 }
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diff changeset
233 }
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diff changeset
234
74850
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Petri Lehtinen <petri@digip.org>
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diff changeset
235 rc = pysqlite_statement_bind_parameter(self, i + 1, adapted);
46178
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diff changeset
236 Py_DECREF(adapted);
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diff changeset
237
e06e08e8fdce Bring sqlite3 module up-to-date with what's now in 2.6. Almost. I intentionally
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diff changeset
238 if (rc != SQLITE_OK) {
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239 if (!PyErr_Occurred()) {
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240 PyErr_Format(pysqlite_InterfaceError, "Error binding parameter %d - probably unsupported type.", i);
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241 }
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242 return;
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243 }
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244 }
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245 } else if (PyDict_Check(parameters)) {
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246 /* parameters passed as dictionary */
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247 for (i = 1; i <= num_params_needed; i++) {
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248 Py_BEGIN_ALLOW_THREADS
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249 binding_name = sqlite3_bind_parameter_name(self->st, i);
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250 Py_END_ALLOW_THREADS
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251 if (!binding_name) {
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252 PyErr_Format(pysqlite_ProgrammingError, "Binding %d has no name, but you supplied a dictionary (which has only names).", i);
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253 return;
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254 }
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255
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256 binding_name++; /* skip first char (the colon) */
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257 if (PyDict_CheckExact(parameters)) {
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258 current_param = PyDict_GetItemString(parameters, binding_name);
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259 Py_XINCREF(current_param);
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260 } else {
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261 current_param = PyMapping_GetItemString(parameters, binding_name);
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262 }
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263 if (!current_param) {
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264 PyErr_Format(pysqlite_ProgrammingError, "You did not supply a value for binding %d.", i);
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265 return;
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266 }
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267
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268 if (!_need_adapt(current_param)) {
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269 adapted = current_param;
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270 } else {
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271 adapted = pysqlite_microprotocols_adapt(current_param, (PyObject*)&pysqlite_PrepareProtocolType, NULL);
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272 if (adapted) {
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273 Py_DECREF(current_param);
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274 } else {
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275 PyErr_Clear();
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276 adapted = current_param;
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277 }
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278 }
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279
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280 rc = pysqlite_statement_bind_parameter(self, i, adapted);
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281 Py_DECREF(adapted);
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282
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283 if (rc != SQLITE_OK) {
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284 if (!PyErr_Occurred()) {
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285 PyErr_Format(pysqlite_InterfaceError, "Error binding parameter :%s - probably unsupported type.", binding_name);
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286 }
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287 return;
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288 }
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289 }
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290 } else {
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291 PyErr_SetString(PyExc_ValueError, "parameters are of unsupported type");
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292 }
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293 }
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294
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295 int pysqlite_statement_recompile(pysqlite_Statement* self, PyObject* params)
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296 {
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297 const char* tail;
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298 int rc;
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299 const char* sql_cstr;
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300 Py_ssize_t sql_len;
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301 sqlite3_stmt* new_st;
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302
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303 sql_cstr = _PyUnicode_AsStringAndSize(self->sql, &sql_len);
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304 if (sql_cstr == NULL) {
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305 rc = PYSQLITE_SQL_WRONG_TYPE;
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306 return rc;
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307 }
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308
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309 Py_BEGIN_ALLOW_THREADS
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310 rc = sqlite3_prepare(self->db,
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311 sql_cstr,
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312 -1,
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313 &new_st,
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314 &tail);
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315 Py_END_ALLOW_THREADS
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316
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317 if (rc == SQLITE_OK) {
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318 /* The efficient sqlite3_transfer_bindings is only available in SQLite
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319 * version 3.2.2 or later. For older SQLite releases, that might not
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320 * even define SQLITE_VERSION_NUMBER, we do it the manual way.
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321 */
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322 #ifdef SQLITE_VERSION_NUMBER
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323 #if SQLITE_VERSION_NUMBER >= 3002002
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324 /* The check for the number of parameters is necessary to not trigger a
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325 * bug in certain SQLite versions (experienced in 3.2.8 and 3.3.4). */
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326 if (sqlite3_bind_parameter_count(self->st) > 0) {
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327 (void)sqlite3_transfer_bindings(self->st, new_st);
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328 }
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329 #endif
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330 #else
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331 statement_bind_parameters(self, params);
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332 #endif
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333
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334 (void)sqlite3_finalize(self->st);
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335 self->st = new_st;
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336 }
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337
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338 return rc;
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339 }
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340
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341 int pysqlite_statement_finalize(pysqlite_Statement* self)
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342 {
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343 int rc;
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344
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345 rc = SQLITE_OK;
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346 if (self->st) {
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347 Py_BEGIN_ALLOW_THREADS
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348 rc = sqlite3_finalize(self->st);
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349 Py_END_ALLOW_THREADS
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350 self->st = NULL;
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351 }
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352
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353 self->in_use = 0;
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354
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355 return rc;
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356 }
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357
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358 int pysqlite_statement_reset(pysqlite_Statement* self)
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359 {
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360 int rc;
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361
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362 rc = SQLITE_OK;
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363
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
364 if (self->in_use && self->st) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
365 Py_BEGIN_ALLOW_THREADS
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
366 rc = sqlite3_reset(self->st);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
367 Py_END_ALLOW_THREADS
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
368
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
369 if (rc == SQLITE_OK) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
370 self->in_use = 0;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
371 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
372 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
373
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
374 return rc;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
375 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
376
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47f9efdc0855 Merged revisions 53304-53433,53435-53450 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
377 void pysqlite_statement_mark_dirty(pysqlite_Statement* self)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
378 {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
379 self->in_use = 1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
380 }
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parents:
diff changeset
381
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Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
382 void pysqlite_statement_dealloc(pysqlite_Statement* self)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
383 {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
384 if (self->st) {
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
385 Py_BEGIN_ALLOW_THREADS
68102
e2f96bd29252 Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents: 64423
diff changeset
386 sqlite3_finalize(self->st);
37879
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diff changeset
387 Py_END_ALLOW_THREADS
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parents:
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388 }
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parents:
diff changeset
389
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
390 self->st = NULL;
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parents:
diff changeset
391
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
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parents:
diff changeset
392 Py_XDECREF(self->sql);
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parents:
diff changeset
393
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
394 if (self->in_weakreflist != NULL) {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
395 PyObject_ClearWeakRefs((PyObject*)self);
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
396 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
397
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44291
diff changeset
398 Py_TYPE(self)->tp_free((PyObject*)self);
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
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399 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
400
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
401 /*
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
402 * Checks if there is anything left in an SQL string after SQLite compiled it.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
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parents:
diff changeset
403 * This is used to check if somebody tried to execute more than one SQL command
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
404 * with one execute()/executemany() command, which the DB-API and we don't
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
405 * allow.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
406 *
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
407 * Returns 1 if there is more left than should be. 0 if ok.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
408 */
40643
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Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
409 static int pysqlite_check_remaining_sql(const char* tail)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
410 {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
411 const char* pos = tail;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
412
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
413 parse_remaining_sql_state state = NORMAL;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
414
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
415 for (;;) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
416 switch (*pos) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
417 case 0:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
418 return 0;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
419 case '-':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
420 if (state == NORMAL) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
421 state = LINECOMMENT_1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
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parents:
diff changeset
422 } else if (state == LINECOMMENT_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
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parents:
diff changeset
423 state = IN_LINECOMMENT;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
424 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
425 break;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
426 case ' ':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
427 case '\t':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
428 break;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
429 case '\n':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
430 case 13:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
431 if (state == IN_LINECOMMENT) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
432 state = NORMAL;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
433 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
434 break;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
435 case '/':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
436 if (state == NORMAL) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
437 state = COMMENTSTART_1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
438 } else if (state == COMMENTEND_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
439 state = NORMAL;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
440 } else if (state == COMMENTSTART_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
441 return 1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
442 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
443 break;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
444 case '*':
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
445 if (state == NORMAL) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
446 return 1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
447 } else if (state == LINECOMMENT_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
448 return 1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
449 } else if (state == COMMENTSTART_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
450 state = IN_COMMENT;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
451 } else if (state == IN_COMMENT) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
452 state = COMMENTEND_1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
453 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
454 break;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
455 default:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
456 if (state == COMMENTEND_1) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
457 state = IN_COMMENT;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
458 } else if (state == IN_LINECOMMENT) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
459 } else if (state == IN_COMMENT) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
460 } else {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
461 return 1;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
462 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
463 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
464
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
465 pos++;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
466 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
467
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
468 return 0;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
469 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
470
40643
47f9efdc0855 Merged revisions 53304-53433,53435-53450 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
471 PyTypeObject pysqlite_StatementType = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 41669
diff changeset
472 PyVarObject_HEAD_INIT(NULL, 0)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
473 MODULE_NAME ".Statement", /* tp_name */
40643
47f9efdc0855 Merged revisions 53304-53433,53435-53450 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
474 sizeof(pysqlite_Statement), /* tp_basicsize */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
475 0, /* tp_itemsize */
40643
47f9efdc0855 Merged revisions 53304-53433,53435-53450 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40641
diff changeset
476 (destructor)pysqlite_statement_dealloc, /* tp_dealloc */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
477 0, /* tp_print */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
478 0, /* tp_getattr */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
479 0, /* tp_setattr */
51271
87fbbf22adf3 Merged revisions 69214 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 49264
diff changeset
480 0, /* tp_reserved */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
481 0, /* tp_repr */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
482 0, /* tp_as_number */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
483 0, /* tp_as_sequence */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
484 0, /* tp_as_mapping */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
485 0, /* tp_hash */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
486 0, /* tp_call */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
487 0, /* tp_str */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
488 0, /* tp_getattro */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
489 0, /* tp_setattro */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
diff changeset
490 0, /* tp_as_buffer */
46178
e06e08e8fdce Bring sqlite3 module up-to-date with what's now in 2.6. Almost. I intentionally
Gerhard Häring <gh@ghaering.de>
parents: 44351
diff changeset
491 Py_TPFLAGS_DEFAULT, /* tp_flags */
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492 0, /* tp_doc */
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493 0, /* tp_traverse */
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494 0, /* tp_clear */
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495 0, /* tp_richcompare */
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496 offsetof(pysqlite_Statement, in_weakreflist), /* tp_weaklistoffset */
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497 0, /* tp_iter */
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498 0, /* tp_iternext */
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499 0, /* tp_methods */
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500 0, /* tp_members */
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501 0, /* tp_getset */
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502 0, /* tp_base */
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503 0, /* tp_dict */
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504 0, /* tp_descr_get */
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505 0, /* tp_descr_set */
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506 0, /* tp_dictoffset */
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507 (initproc)0, /* tp_init */
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508 0, /* tp_alloc */
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509 0, /* tp_new */
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510 0 /* tp_free */
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511 };
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512
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513 extern int pysqlite_statement_setup_types(void)
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514 {
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515 pysqlite_StatementType.tp_new = PyType_GenericNew;
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516 return PyType_Ready(&pysqlite_StatementType);
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517 }