author | Tero Marttila <terom@fixme.fi> |
Fri, 17 Oct 2008 19:28:27 +0300 | |
changeset 34 | 460f995d3769 |
parent 31 | 7804cd7b5cd5 |
child 38 | 1fd4da071575 |
permissions | -rw-r--r-- |
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1 |
#include <stdlib.h> |
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2 |
#include <assert.h> |
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3 |
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4 |
#include "evsql.h" |
31 | 5 |
#include "../lib/log.h" |
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6 |
#include "../lib/misc.h" |
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7 |
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31 | 8 |
#define _PARAM_TYPE_CASE(typenam) case EVSQL_PARAM_ ## typenam: return #typenam |
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10 |
#define _PARAM_VAL_BUF_MAX 120 |
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11 |
#define _PARAM_VAL_CASE(typenam, ...) case EVSQL_PARAM_ ## typenam: if (param->data_raw) ret = snprintf(buf, _PARAM_VAL_BUF_MAX, __VA_ARGS__); else return "(null)"; break |
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12 |
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13 |
const char *evsql_param_type (const struct evsql_query_param *param) { |
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14 |
switch (param->type) { |
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15 |
_PARAM_TYPE_CASE (INVALID ); |
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16 |
_PARAM_TYPE_CASE (NULL_ ); |
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17 |
_PARAM_TYPE_CASE (BINARY ); |
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18 |
_PARAM_TYPE_CASE (STRING ); |
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19 |
_PARAM_TYPE_CASE (UINT16 ); |
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20 |
_PARAM_TYPE_CASE (UINT32 ); |
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21 |
_PARAM_TYPE_CASE (UINT64 ); |
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22 |
default: return "???"; |
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23 |
} |
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24 |
} |
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25 |
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26 |
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27 |
static const char *evsql_param_val (const struct evsql_query_param *param) { |
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static char buf[_PARAM_VAL_BUF_MAX]; |
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29 |
int ret; |
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30 |
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31 |
switch (param->type) { |
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32 |
_PARAM_VAL_CASE (INVALID, "???" ); |
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33 |
_PARAM_VAL_CASE (NULL_, "(null)" ); |
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34 |
_PARAM_VAL_CASE (BINARY, "%zu:%s", param->length, "..." ); |
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35 |
_PARAM_VAL_CASE (STRING, "%s", param->data_raw ); |
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36 |
_PARAM_VAL_CASE (UINT16, "%hu", (unsigned short int) ntohs(param->data.uint16) ); |
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37 |
_PARAM_VAL_CASE (UINT32, "%lu", (unsigned long int) ntohl(param->data.uint32) ); |
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38 |
_PARAM_VAL_CASE (UINT64, "%llu", (unsigned long long int) ntohq(param->data.uint64) ); |
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39 |
default: return "???"; |
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40 |
} |
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41 |
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42 |
return buf; |
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43 |
} |
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44 |
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45 |
int evsql_params_clear (struct evsql_query_params *params) { |
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46 |
struct evsql_query_param *param; |
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47 |
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48 |
for (param = params->list; param->type; param++) |
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param->data_raw = NULL; |
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50 |
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51 |
return 0; |
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52 |
} |
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53 |
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54 |
int evsql_param_binary (struct evsql_query_params *params, size_t param, const char *ptr, size_t len) { |
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struct evsql_query_param *p = ¶ms->list[param]; |
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56 |
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57 |
assert(p->type == EVSQL_PARAM_BINARY); |
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59 |
p->data_raw = ptr; |
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p->length = len; |
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62 |
return 0; |
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63 |
} |
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65 |
int evsql_param_string (struct evsql_query_params *params, size_t param, const char *ptr) { |
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66 |
struct evsql_query_param *p = ¶ms->list[param]; |
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67 |
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68 |
assert(p->type == EVSQL_PARAM_STRING); |
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p->data_raw = ptr; |
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p->length = 0; |
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72 |
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73 |
return 0; |
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} |
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31 | 76 |
int evsql_param_uint16 (struct evsql_query_params *params, size_t param, uint16_t uval) { |
77 |
struct evsql_query_param *p = ¶ms->list[param]; |
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assert(p->type == EVSQL_PARAM_UINT16); |
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81 |
p->data.uint16 = htons(uval); |
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p->data_raw = (const char *) &p->data.uint16; |
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p->length = sizeof(uval); |
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85 |
return 0; |
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86 |
} |
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int evsql_param_uint32 (struct evsql_query_params *params, size_t param, uint32_t uval) { |
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89 |
struct evsql_query_param *p = ¶ms->list[param]; |
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90 |
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assert(p->type == EVSQL_PARAM_UINT32); |
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92 |
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93 |
p->data.uint32 = htonl(uval); |
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94 |
p->data_raw = (const char *) &p->data.uint32; |
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95 |
p->length = sizeof(uval); |
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96 |
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97 |
return 0; |
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} |
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31 | 100 |
void evsql_query_debug (const char *sql, const struct evsql_query_params *params) { |
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const struct evsql_query_param *param; |
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size_t param_count = 0, idx = 0; |
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// count the params |
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for (param = params->list; param->type; param++) |
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param_count++; |
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DEBUG("sql: %s", sql); |
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DEBUG("params: %zu", param_count); |
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111 |
for (param = params->list; param->type; param++) { |
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DEBUG("\t%2zu : %8s = %s", ++idx, evsql_param_type(param), evsql_param_val(param)); |
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} |
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} |
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116 |
const char *evsql_result_error (const struct evsql_result_info *res) { |
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117 |
if (!res->error) |
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118 |
return "No error"; |
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119 |
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120 |
switch (res->evsql->type) { |
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121 |
case EVSQL_EVPQ: |
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if (!res->result.pq) |
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return "unknown error (no result)"; |
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124 |
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125 |
return PQresultErrorMessage(res->result.pq); |
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126 |
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127 |
default: |
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128 |
FATAL("res->evsql->type"); |
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129 |
} |
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131 |
} |
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132 |
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133 |
size_t evsql_result_rows (const struct evsql_result_info *res) { |
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134 |
switch (res->evsql->type) { |
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135 |
case EVSQL_EVPQ: |
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136 |
return PQntuples(res->result.pq); |
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137 |
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138 |
default: |
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139 |
FATAL("res->evsql->type"); |
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140 |
} |
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141 |
} |
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142 |
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143 |
size_t evsql_result_cols (const struct evsql_result_info *res) { |
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144 |
switch (res->evsql->type) { |
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145 |
case EVSQL_EVPQ: |
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146 |
return PQnfields(res->result.pq); |
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147 |
|
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148 |
default: |
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149 |
FATAL("res->evsql->type"); |
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150 |
} |
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151 |
} |
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152 |
|
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153 |
size_t evsql_result_affected (const struct evsql_result_info *res) { |
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154 |
switch (res->evsql->type) { |
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155 |
case EVSQL_EVPQ: |
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156 |
return strtol(PQcmdTuples(res->result.pq), NULL, 10); |
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157 |
|
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158 |
default: |
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159 |
FATAL("res->evsql->type"); |
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160 |
} |
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|
161 |
} |
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162 |
|
31 | 163 |
int evsql_result_binary (const struct evsql_result_info *res, size_t row, size_t col, const char **ptr, size_t *size, int nullok) { |
29
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164 |
*ptr = NULL; |
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165 |
|
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|
166 |
switch (res->evsql->type) { |
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|
167 |
case EVSQL_EVPQ: |
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168 |
if (PQgetisnull(res->result.pq, row, col)) { |
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169 |
if (nullok) |
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170 |
return 0; |
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171 |
else |
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172 |
ERROR("[%zu:%zu] field is null", row, col); |
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173 |
} |
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174 |
|
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175 |
if (PQfformat(res->result.pq, col) != 1) |
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176 |
ERROR("[%zu:%zu] PQfformat is not binary: %d", row, col, PQfformat(res->result.pq, col)); |
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|
177 |
|
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178 |
*size = PQgetlength(res->result.pq, row, col); |
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179 |
*ptr = PQgetvalue(res->result.pq, row, col); |
29
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|
180 |
|
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181 |
return 0; |
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182 |
|
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183 |
default: |
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184 |
FATAL("res->evsql->type"); |
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185 |
} |
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|
186 |
|
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187 |
error: |
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|
188 |
return -1; |
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|
189 |
} |
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190 |
|
31 | 191 |
int evsql_result_binlen (const struct evsql_result_info *res, size_t row, size_t col, const char **ptr, size_t size, int nullok) { |
192 |
size_t real_size = 0; |
|
30
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193 |
|
31 | 194 |
if (evsql_result_binary(res, row, col, ptr, &real_size, nullok)) |
30
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|
195 |
goto error; |
31 | 196 |
|
197 |
if (*ptr == NULL) { |
|
198 |
assert(nullok); |
|
199 |
return 0; |
|
200 |
} |
|
30
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|
201 |
|
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|
202 |
if (size && real_size != size) |
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|
203 |
ERROR("[%zu:%zu] field size mismatch: %zu -> %zu", row, col, size, real_size); |
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|
204 |
|
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|
205 |
return 0; |
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
206 |
|
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|
207 |
error: |
d8fabd347a8e
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diff
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|
208 |
return -1; |
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|
209 |
} |
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|
210 |
|
29
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|
211 |
int evsql_result_string (const struct evsql_result_info *res, size_t row, size_t col, const char **ptr, int nullok) { |
31 | 212 |
size_t real_size; |
213 |
||
214 |
if (evsql_result_binary(res, row, col, ptr, &real_size, nullok)) |
|
215 |
goto error; |
|
216 |
||
217 |
assert(real_size == strlen(*ptr)); |
|
218 |
||
219 |
return 0; |
|
220 |
||
221 |
error: |
|
222 |
return -1; |
|
29
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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|
223 |
} |
5de62ca9a5aa
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|
224 |
|
5de62ca9a5aa
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|
225 |
int evsql_result_uint16 (const struct evsql_result_info *res, size_t row, size_t col, uint16_t *uval, int nullok) { |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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|
226 |
const char *data; |
5de62ca9a5aa
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|
227 |
int16_t sval; |
5de62ca9a5aa
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|
228 |
|
31 | 229 |
if (evsql_result_binlen(res, row, col, &data, sizeof(*uval), nullok)) |
29
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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diff
changeset
|
230 |
goto error; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
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changeset
|
231 |
|
5de62ca9a5aa
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|
232 |
if (!data) |
5de62ca9a5aa
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|
233 |
return 0; |
5de62ca9a5aa
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diff
changeset
|
234 |
|
5de62ca9a5aa
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Tero Marttila <terom@fixme.fi>
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|
235 |
sval = ntohs(*((int16_t *) data)); |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
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diff
changeset
|
236 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
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diff
changeset
|
237 |
if (sval < 0) |
5de62ca9a5aa
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|
238 |
ERROR("negative value for unsigned: %d", sval); |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
239 |
|
5de62ca9a5aa
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
240 |
*uval = sval; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
241 |
|
5de62ca9a5aa
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
242 |
return 0; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
243 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
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diff
changeset
|
244 |
error: |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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diff
changeset
|
245 |
return nullok ? 0 : -1; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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changeset
|
246 |
} |
5de62ca9a5aa
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changeset
|
247 |
|
5de62ca9a5aa
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diff
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|
248 |
int evsql_result_uint32 (const struct evsql_result_info *res, size_t row, size_t col, uint32_t *uval, int nullok) { |
5de62ca9a5aa
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|
249 |
const char *data; |
5de62ca9a5aa
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changeset
|
250 |
int32_t sval; |
5de62ca9a5aa
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changeset
|
251 |
|
31 | 252 |
if (evsql_result_binlen(res, row, col, &data, sizeof(*uval), nullok)) |
29
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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diff
changeset
|
253 |
goto error; |
5de62ca9a5aa
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diff
changeset
|
254 |
|
5de62ca9a5aa
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changeset
|
255 |
if (!data) |
5de62ca9a5aa
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diff
changeset
|
256 |
return 0; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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diff
changeset
|
257 |
|
5de62ca9a5aa
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Tero Marttila <terom@fixme.fi>
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diff
changeset
|
258 |
sval = ntohl(*(int32_t *) data); |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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diff
changeset
|
259 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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parents:
diff
changeset
|
260 |
if (sval < 0) |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
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parents:
diff
changeset
|
261 |
ERROR("negative value for unsigned: %d", sval); |
5de62ca9a5aa
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parents:
diff
changeset
|
262 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
263 |
*uval = sval; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
264 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
265 |
return 0; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
266 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
267 |
error: |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
268 |
return nullok ? 0 : -1; |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
269 |
} |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
270 |
|
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
271 |
int evsql_result_uint64 (const struct evsql_result_info *res, size_t row, size_t col, uint64_t *uval, int nullok) { |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
272 |
const char *data; |
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273 |
int64_t sval; |
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274 |
|
31 | 275 |
if (evsql_result_binlen(res, row, col, &data, sizeof(*uval), nullok)) |
29
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276 |
goto error; |
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277 |
|
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278 |
if (!data) |
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279 |
return 0; |
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280 |
|
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281 |
sval = ntohq(*(int64_t *) data); |
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282 |
|
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283 |
if (sval < 0) |
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284 |
ERROR("negative value for unsigned: %ld", sval); |
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285 |
|
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286 |
*uval = sval; |
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287 |
|
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288 |
return 0; |
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289 |
|
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290 |
error: |
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291 |
return nullok ? 0 : -1; |
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292 |
} |
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293 |
|
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294 |
void evsql_result_free (const struct evsql_result_info *res) { |
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295 |
switch (res->evsql->type) { |
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296 |
case EVSQL_EVPQ: |
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297 |
return PQclear(res->result.pq); |
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298 |
|
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299 |
default: |
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300 |
FATAL("res->evsql->type"); |
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301 |
} |
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302 |
} |
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303 |
|
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304 |
const char *evsql_conn_error (struct evsql_conn *conn) { |
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305 |
switch (conn->evsql->type) { |
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306 |
case EVSQL_EVPQ: |
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307 |
if (!conn->engine.evpq) |
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308 |
return "unknown error (no conn)"; |
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309 |
|
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310 |
return evpq_error_message(conn->engine.evpq); |
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311 |
|
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312 |
default: |
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313 |
FATAL("res->evsql->type"); |
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314 |
} |
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315 |
} |
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316 |
|
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317 |
const char *evsql_trans_error (struct evsql_trans *trans) { |
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318 |
if (trans->conn == NULL) |
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319 |
return "unknown error (no trans conn)"; |
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|
320 |
|
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|
321 |
return evsql_conn_error(trans->conn); |
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322 |
} |
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|
323 |