1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
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4 | |
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5 | /* import some stuff from DBIXS.h and DBI.xs */ |
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6 | #define DBIXS_VERSION 93 |
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7 | #define DBI_MAGIC '~' |
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8 | |
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9 | #define DBISTATE_PERLNAME "DBI::_dbistate" |
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10 | #define DBISTATE_ADDRSV (perl_get_sv (DBISTATE_PERLNAME, 0x05)) |
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11 | #define DBIS_PUBLISHED_LVALUE (*(INT2PTR(dbistate_t**, &SvIVX(DBISTATE_ADDRSV)))) |
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12 | |
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13 | static SV *sql_varchar, *sql_integer, *sql_double; |
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14 | static SV *tmp_iv; |
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15 | |
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16 | struct dbistate_st { |
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17 | #define DBISTATE_VERSION 94 /* Must change whenever dbistate_t does */ |
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18 | /* this must be the first member in structure */ |
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19 | void (*check_version) _((const char *name, |
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20 | int dbis_cv, int dbis_cs, int need_dbixs_cv, |
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21 | int drc_s, int dbc_s, int stc_s, int fdc_s)); |
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22 | |
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23 | /* version and size are used to check for DBI/DBD version mis-match */ |
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24 | U16 version; /* version of this structure */ |
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25 | U16 size; |
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26 | U16 xs_version; /* version of the overall DBIXS / DBD interface */ |
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27 | U16 spare_pad; |
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28 | }; |
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29 | typedef struct dbistate_st dbistate_t; |
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30 | |
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31 | #define DBIcf_ACTIVE 0x000004 /* needs finish/disconnect before clear */ |
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32 | |
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33 | typedef U32 imp_sth; |
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34 | |
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35 | /* not strictly part of the API... */ |
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36 | static imp_sth * |
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37 | sth_get_imp (SV *sth) |
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38 | { |
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39 | MAGIC *mg = mg_find (SvRV (sth), PERL_MAGIC_tied); |
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40 | sth = mg->mg_obj; |
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41 | mg = mg_find (SvRV (sth), DBI_MAGIC); |
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42 | return (imp_sth *)SvPVX (mg->mg_obj); |
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43 | } |
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44 | |
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45 | #define DBI_STH_ACTIVE(imp) (*(imp) & DBIcf_ACTIVE) |
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46 | |
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47 | /* end of import section */ |
4 | |
48 | |
5 | #if (PERL_VERSION < 5) || ((PERL_VERSION == 5) && (PERL_SUBVERSION <= 6)) |
49 | #if (PERL_VERSION < 5) || ((PERL_VERSION == 5) && (PERL_SUBVERSION <= 6)) |
6 | # define get_sv perl_get_sv |
50 | # define get_sv perl_get_sv |
7 | # define call_method perl_call_method |
51 | # define call_method perl_call_method |
8 | # define call_sv perl_call_sv |
52 | # define call_sv perl_call_sv |
… | |
… | |
10 | |
54 | |
11 | #if (PERL_VERSION > 5) || ((PERL_VERSION == 5) && (PERL_SUBVERSION >= 6)) |
55 | #if (PERL_VERSION > 5) || ((PERL_VERSION == 5) && (PERL_SUBVERSION >= 6)) |
12 | # define CAN_UTF8 1 |
56 | # define CAN_UTF8 1 |
13 | #endif |
57 | #endif |
14 | |
58 | |
15 | #define MAX_CACHED_STATEMENT_SIZE 8192 |
59 | #define MAX_CACHED_STATEMENT_SIZE 2048 |
16 | |
60 | |
17 | static SV * |
61 | static SV * |
18 | sql_upgrade_utf8 (SV *sv) |
62 | sql_upgrade_utf8 (SV *sv) |
19 | { |
63 | { |
20 | #if CAN_UTF8 |
64 | #if CAN_UTF8 |
21 | if (SvPOK (sv)) |
65 | if (SvPOKp (sv)) |
22 | sv_utf8_upgrade (sv); |
66 | sv_utf8_upgrade (sv); |
23 | #endif |
67 | #endif |
24 | return sv; |
68 | return sv; |
25 | } |
69 | } |
26 | |
70 | |
27 | static SV * |
71 | static SV * |
28 | mortalcopy_and_maybe_force_utf8(int utf8, SV *sv) |
72 | mortalcopy_and_maybe_force_utf8(int utf8, SV *sv) |
29 | { |
73 | { |
30 | sv = sv_mortalcopy (sv); |
74 | sv = sv_mortalcopy (sv); |
31 | #if CAN_UTF8 |
75 | #if CAN_UTF8 |
32 | if (utf8 && SvPOK (sv)) |
76 | if (utf8 && SvPOKp (sv)) |
33 | SvUTF8_on (sv); |
77 | SvUTF8_on (sv); |
34 | #endif |
78 | #endif |
35 | return sv; |
79 | return sv; |
36 | } |
80 | } |
37 | |
81 | |
38 | #define maybe_upgrade_utf8(utf8,sv) ((utf8) ? sql_upgrade_utf8 (sv) : (sv)) |
82 | #define maybe_upgrade_utf8(utf8,sv) ((utf8) ? sql_upgrade_utf8 (sv) : (sv)) |
39 | |
83 | |
40 | #define is_dbh(sv) ((sv) && sv_isobject (sv) && sv_derived_from ((sv), "DBI::db")) |
84 | #define is_dbh(sv) ((sv) && sv_isobject (sv) && sv_derived_from ((sv), "DBI::db")) |
41 | |
85 | |
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86 | typedef struct mc_node |
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87 | { |
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88 | struct mc_node *next; |
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89 | HV *stash; |
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90 | U32 gen; |
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91 | |
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92 | /* DBH */ |
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93 | SV *prepare; |
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94 | |
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95 | /* STH */ |
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96 | SV *execute; |
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97 | SV *bind_param; |
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98 | SV *bind_columns; |
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99 | SV *fetchrow_arrayref; |
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100 | SV *fetchall_arrayref; |
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101 | SV *finish; |
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102 | } mc_node; |
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103 | |
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104 | static mc_node *first; |
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105 | |
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106 | static mc_node * |
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107 | mc_find (HV *stash) |
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108 | { |
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109 | mc_node *mc; |
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110 | U32 gen = PL_sub_generation; |
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111 | |
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112 | #ifdef HvMROMETA |
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113 | gen += HvMROMETA (stash)->cache_gen; |
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114 | #endif |
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115 | |
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116 | for (mc = first; mc; mc = mc->next) |
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117 | if (mc->stash == stash && mc->gen == gen) |
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118 | return mc; |
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119 | |
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120 | if (!mc) |
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121 | { |
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122 | Newz (0, mc, 1, mc_node); |
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123 | mc->stash = stash; |
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124 | |
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125 | mc->next = first; |
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126 | first = mc; |
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127 | } |
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128 | else |
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129 | { |
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130 | mc->execute = |
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131 | mc->bind_param = |
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132 | mc->bind_columns = |
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133 | mc->fetchrow_arrayref = |
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134 | mc->fetchall_arrayref = |
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135 | mc->finish = 0; |
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136 | } |
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137 | |
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138 | mc->gen = gen; |
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139 | |
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140 | return mc; |
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141 | } |
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142 | |
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143 | static void |
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144 | mc_cache (mc_node *mc, SV **method, const char *name) |
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145 | { |
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146 | *method = (SV *)gv_fetchmethod_autoload (mc->stash, name, 0); |
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147 | |
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148 | if (!method) |
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149 | croak ("%s: method not found in stash, please report.", name); |
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150 | } |
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151 | |
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152 | #define mc_cache(mc, method) mc_cache ((mc), &((mc)->method), # method) |
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153 | |
42 | typedef struct lru_node { |
154 | typedef struct lru_node |
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155 | { |
43 | struct lru_node *next; |
156 | struct lru_node *next; |
44 | struct lru_node *prev; |
157 | struct lru_node *prev; |
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158 | |
45 | U32 hash; |
159 | U32 hash; |
46 | SV *dbh; |
160 | SV *dbh; |
47 | SV *sql; |
161 | SV *sql; |
48 | |
162 | |
49 | SV *sth; |
163 | SV *sth; |
50 | #if 0 /* method cache */ |
164 | imp_sth *sth_imp; |
51 | GV *execute; |
165 | |
52 | GV *bind_columns; |
166 | mc_node *mc; |
53 | GV *fetch; |
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54 | GV *finish; |
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55 | #endif |
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56 | } lru_node; |
167 | } lru_node; |
57 | |
168 | |
58 | static lru_node lru_list; |
169 | static lru_node lru_list; |
59 | static int lru_size; |
170 | static int lru_size; |
60 | static int lru_maxsize; |
171 | static int lru_maxsize; |
61 | |
172 | |
62 | #define lru_init lru_list.next = &lru_list; lru_list.prev = &lru_list /* other fields are zero */ |
173 | #define lru_init() lru_list.next = &lru_list; lru_list.prev = &lru_list /* other fields are zero */ |
63 | |
174 | |
64 | /* this is primitive, yet effective */ |
175 | /* this is primitive, yet effective */ |
65 | /* the returned value must never be zero (or bad things will happen) */ |
176 | /* the returned value must never be zero (or bad things will happen) */ |
66 | #define lru_hash do { \ |
177 | static U32 |
67 | hash = (((U32)dbh)>>2); \ |
178 | lru_hash (SV *dbh, SV *sql) |
68 | hash += *statement;\ |
179 | { |
69 | hash += len; \ |
180 | /* use a variant of fnv1a */ |
70 | } while (0) |
181 | STRLEN i, l; |
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182 | char *b = SvPV (sql, l); |
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183 | U32 hash = 2166136261U; |
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184 | |
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185 | hash = (hash ^ (U32)dbh) * 16777619U; |
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186 | hash = (hash ^ l) * 16777619U; |
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187 | |
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188 | /* start hashing at char 7, as this skips the "select " prefix */ |
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189 | /* also skip more and more octets */ |
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190 | for (i = 7; i < l; i += i >> 2) |
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191 | hash = (hash ^ b [i]) * 16777619U; |
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192 | |
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193 | return hash; |
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194 | } |
71 | |
195 | |
72 | /* fetch and "use" */ |
196 | /* fetch and "use" */ |
73 | /* could be done using a single call (we could call prepare!) */ |
197 | static lru_node * |
74 | static SV *lru_fetch(SV *dbh, SV *sql) |
198 | lru_fetch (SV *dbh, SV *sql) |
75 | { |
199 | { |
76 | lru_node *n; |
200 | lru_node *n; |
77 | |
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78 | U32 hash; |
201 | U32 hash; |
79 | STRLEN len; |
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80 | char *statement = SvPV (sql, len); |
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81 | |
202 | |
82 | dbh = SvRV (dbh); |
203 | dbh = SvRV (dbh); |
83 | |
204 | hash = lru_hash (dbh, sql); |
84 | lru_hash; |
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85 | |
205 | |
86 | n = &lru_list; |
206 | n = &lru_list; |
87 | do { |
207 | do { |
88 | n = n->next; |
208 | n = n->next; |
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209 | |
89 | if (!n->hash) |
210 | if (!n->hash) |
90 | return 0; |
211 | return 0; |
91 | } while (n->hash != hash |
212 | } while (n->hash != hash |
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213 | || DBI_STH_ACTIVE (n->sth_imp) |
92 | || !sv_eq (n->sql, sql) |
214 | || !sv_eq (n->sql, sql) |
93 | || n->dbh != dbh); |
215 | || n->dbh != dbh); |
94 | |
216 | |
95 | /* found, so return to the start of the list */ |
217 | /* found, so return to the start of the list */ |
96 | n->prev->next = n->next; |
218 | n->prev->next = n->next; |
… | |
… | |
99 | n->next = lru_list.next; |
221 | n->next = lru_list.next; |
100 | n->prev = &lru_list; |
222 | n->prev = &lru_list; |
101 | lru_list.next->prev = n; |
223 | lru_list.next->prev = n; |
102 | lru_list.next = n; |
224 | lru_list.next = n; |
103 | |
225 | |
104 | return n->sth; |
226 | return n; |
105 | } |
227 | } |
106 | |
228 | |
107 | static void lru_nukeone(void) |
229 | static void |
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230 | lru_trim (void) |
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231 | { |
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232 | while (lru_size > lru_maxsize) |
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233 | { |
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234 | /* nuke at the end */ |
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235 | lru_node *n = lru_list.prev; |
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236 | |
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237 | n = lru_list.prev; |
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238 | |
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239 | lru_list.prev = n->prev; |
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240 | n->prev->next = &lru_list; |
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241 | |
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242 | SvREFCNT_dec (n->dbh); |
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243 | SvREFCNT_dec (n->sql); |
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244 | SvREFCNT_dec (n->sth); |
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245 | Safefree (n); |
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246 | |
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247 | lru_size--; |
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248 | } |
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249 | } |
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250 | |
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251 | /* store a not-yet existing entry(!) */ |
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252 | static void |
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253 | lru_store (SV *dbh, SV *sql, SV *sth, mc_node *mc) |
108 | { |
254 | { |
109 | lru_node *n; |
255 | lru_node *n; |
110 | /* nuke at the end */ |
256 | U32 hash; |
111 | |
257 | |
112 | n = lru_list.prev; |
258 | if (!lru_maxsize) |
113 | |
259 | return; |
114 | lru_list.prev = n->prev; |
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115 | n->prev->next = &lru_list; |
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116 | |
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117 | SvREFCNT_dec (n->dbh); |
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118 | SvREFCNT_dec (n->sql); |
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119 | SvREFCNT_dec (n->sth); |
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120 | Safefree (n); |
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121 | |
260 | |
122 | lru_size--; |
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123 | } |
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124 | |
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125 | /* store a not-yet existing entry(!) */ |
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126 | static void lru_store(SV *dbh, SV *sql, SV *sth) |
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127 | { |
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128 | lru_node *n; |
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129 | |
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130 | U32 hash; |
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131 | STRLEN len; |
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132 | char *statement = SvPV (sql, len); |
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133 | |
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134 | dbh = SvRV (dbh); |
261 | dbh = SvRV (dbh); |
135 | |
262 | hash = lru_hash (dbh, sql); |
136 | lru_hash; |
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137 | |
263 | |
138 | lru_size++; |
264 | lru_size++; |
139 | if (lru_size > lru_maxsize) |
265 | lru_trim (); |
140 | lru_nukeone (); |
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141 | |
266 | |
142 | New (0, n, 1, lru_node); |
267 | New (0, n, 1, lru_node); |
143 | |
268 | |
144 | n->hash = hash; |
269 | n->hash = hash; |
145 | n->dbh = dbh; SvREFCNT_inc (dbh); /* note: this is the dbi hash itself, not the reference */ |
270 | n->dbh = dbh; SvREFCNT_inc (dbh); /* note: this is the dbi hash itself, not the reference */ |
146 | n->sql = newSVsv (sql); |
271 | n->sql = newSVsv (sql); |
147 | n->sth = sth; SvREFCNT_inc (sth); |
272 | n->sth = sth; SvREFCNT_inc (sth); |
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273 | n->sth_imp = sth_get_imp (sth); |
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274 | n->mc = mc; |
148 | |
275 | |
149 | n->next = lru_list.next; |
276 | n->next = lru_list.next; |
150 | n->prev = &lru_list; |
277 | n->prev = &lru_list; |
151 | lru_list.next->prev = n; |
278 | lru_list.next->prev = n; |
152 | lru_list.next = n; |
279 | lru_list.next = n; |
153 | } |
280 | } |
154 | |
281 | |
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282 | static void |
155 | static void lru_cachesize (int size) |
283 | lru_cachesize (int size) |
156 | { |
284 | { |
157 | if (size >= 0) |
285 | if (size >= 0) |
158 | { |
286 | { |
159 | lru_maxsize = size; |
287 | lru_maxsize = size; |
160 | while (lru_size > lru_maxsize) |
288 | lru_trim (); |
161 | lru_nukeone (); |
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162 | } |
289 | } |
163 | } |
290 | } |
164 | |
291 | |
165 | static GV *sql_exec; |
292 | static GV *sql_exec; |
166 | static GV *DBH; |
293 | static GV *DBH; |
167 | static SV *sv_prepare, *sv_execute, *sv_bind_columns, |
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168 | *sv_fetchrow_arrayref, *sv_fetchall_arrayref, |
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169 | *sv_finish; |
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170 | |
294 | |
171 | #define newconstpv(str) newSVpvn ((str), sizeof (str)) |
295 | #define newconstpv(str) newSVpvn ((str), sizeof (str)) |
172 | |
296 | |
173 | MODULE = PApp::SQL PACKAGE = PApp::SQL |
297 | MODULE = PApp::SQL PACKAGE = PApp::SQL |
174 | |
298 | |
175 | PROTOTYPES: DISABLE |
299 | PROTOTYPES: DISABLE |
176 | |
300 | |
177 | BOOT: |
301 | BOOT: |
178 | { |
302 | { |
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303 | struct dbistate_st *dbis = DBIS_PUBLISHED_LVALUE; |
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304 | |
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305 | /* this is actually wrong, we should call the check member, apparently */ |
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306 | assert (dbis->version == DBISTATE_VERSION); |
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307 | assert (dbis->xs_version == DBIXS_VERSION); |
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308 | |
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309 | tmp_iv = newSViv (0); |
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310 | |
179 | sql_exec = gv_fetchpv ("PApp::SQL::sql_exec", TRUE, SVt_PV); |
311 | sql_exec = gv_fetchpv ("PApp::SQL::sql_exec", TRUE, SVt_PV); |
180 | DBH = gv_fetchpv ("PApp::SQL::DBH" , TRUE, SVt_PV); |
312 | DBH = gv_fetchpv ("PApp::SQL::DBH" , TRUE, SVt_PV); |
181 | |
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182 | if (!sv_prepare) |
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183 | { |
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184 | sv_prepare = newconstpv ("prepare"); |
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185 | sv_execute = newconstpv ("execute"); |
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186 | sv_bind_columns = newconstpv ("bind_columns"); |
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187 | sv_fetchrow_arrayref = newconstpv ("fetchrow_arrayref"); |
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188 | sv_fetchall_arrayref = newconstpv ("fetchall_arrayref"); |
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189 | sv_finish = newconstpv ("finish"); |
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190 | } |
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191 | |
313 | |
192 | /* apache might BOOT: twice :( */ |
314 | /* apache might BOOT: twice :( */ |
193 | if (lru_size) |
315 | if (lru_size) |
194 | lru_cachesize (0); |
316 | lru_cachesize (0); |
195 | |
317 | |
196 | lru_init; |
318 | lru_init (); |
197 | lru_cachesize (50); |
319 | lru_cachesize (100); |
198 | } |
320 | } |
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321 | |
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322 | void |
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323 | boot2 (SV *t_str, SV *t_int, SV *t_dbl) |
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324 | CODE: |
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325 | sql_varchar = newSVsv (t_str); |
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326 | sql_integer = newSVsv (t_int); |
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327 | sql_double = newSVsv (t_dbl); |
199 | |
328 | |
200 | int |
329 | int |
201 | cachesize(size = -1) |
330 | cachesize(size = -1) |
202 | int size |
331 | int size |
203 | CODE: |
332 | CODE: |
… | |
… | |
208 | |
337 | |
209 | void |
338 | void |
210 | sql_exec(...) |
339 | sql_exec(...) |
211 | ALIAS: |
340 | ALIAS: |
212 | sql_uexec = 1 |
341 | sql_uexec = 1 |
213 | sql_fetch = 2 |
342 | sql_fetch = 2 |
214 | sql_ufetch = 3 |
343 | sql_ufetch = 3 |
215 | sql_fetchall = 4 |
344 | sql_fetchall = 4 |
216 | sql_ufetchall = 5 |
345 | sql_ufetchall = 5 |
217 | sql_exists = 6 |
346 | sql_exists = 6 |
218 | sql_uexists = 7 |
347 | sql_uexists = 7 |
… | |
… | |
220 | { |
349 | { |
221 | if (items == 0) |
350 | if (items == 0) |
222 | croak ("Usage: sql_exec [database-handle,] [bind-var-refs,... ] \"sql-statement\", [arguments, ...]"); |
351 | croak ("Usage: sql_exec [database-handle,] [bind-var-refs,... ] \"sql-statement\", [arguments, ...]"); |
223 | else |
352 | else |
224 | { |
353 | { |
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354 | int i; |
225 | int arg = 0; |
355 | int arg = 0; |
226 | int bind_first, bind_last; |
356 | int bind_first, bind_last; |
227 | int count; |
357 | int count; |
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|
358 | lru_node *lru; |
228 | SV *dbh = ST(0); |
359 | SV *dbh = ST(0); |
229 | SV *sth; |
360 | SV *sth; |
230 | SV *sql; |
361 | SV *sql; |
231 | SV *execute; |
362 | SV *execute; |
|
|
363 | mc_node *mc; |
232 | STRLEN dc, dd; /* dummy */ |
364 | STRLEN dc, dd; /* dummy */ |
|
|
365 | I32 orig_stack = SP - PL_stack_base; |
233 | |
366 | |
234 | /* save our arguments against destruction through function calls */ |
367 | /* save our arguments against destruction through function calls */ |
235 | SP += items; |
368 | SP += items; |
236 | |
369 | |
237 | /* first check wether we should use an explicit db handle */ |
370 | /* first check wether we should use an explicit db handle */ |
… | |
… | |
239 | { |
372 | { |
240 | /* the next line doesn't work - check why later maybe */ |
373 | /* the next line doesn't work - check why later maybe */ |
241 | /* dbh = get_sv ("DBH", FALSE); |
374 | /* dbh = get_sv ("DBH", FALSE); |
242 | if (!is_dbh (dbh)) |
375 | if (!is_dbh (dbh)) |
243 | {*/ |
376 | {*/ |
244 | dbh = GvSV(DBH); |
377 | dbh = GvSV (DBH); |
245 | if (!is_dbh (dbh)) |
378 | if (!is_dbh (dbh)) |
246 | croak ("sql_exec: no $DBH argument and no fallback in $PApp::SQL::DBH"); |
379 | croak ("sql_exec: no $DBH argument and no fallback in $PApp::SQL::DBH"); |
247 | /*croak ("sql_exec: no $DBH found in current package or in PApp::SQL::"); |
380 | /*croak ("sql_exec: no $DBH found in current package or in PApp::SQL::"); |
248 | }*/ |
381 | }*/ |
249 | } |
382 | } |
250 | else |
383 | else |
251 | arg++; /* we consumed one argument */ |
384 | arg++; /* we consumed one argument */ |
|
|
385 | |
|
|
386 | /* be more Coro-friendly by keeping a copy, so different threads */ |
|
|
387 | /* can replace their global handles */ |
|
|
388 | dbh = sv_2mortal (newSVsv (dbh)); |
252 | |
389 | |
253 | /* count the remaining references (for bind_columns) */ |
390 | /* count the remaining references (for bind_columns) */ |
254 | bind_first = arg; |
391 | bind_first = arg; |
255 | while (items > arg && SvROK (ST(arg))) |
392 | while (items > arg && SvROK (ST(arg))) |
256 | arg++; |
393 | arg++; |
… | |
… | |
273 | sv_catpv (neu, " limit 1"); |
410 | sv_catpv (neu, " limit 1"); |
274 | sql = neu; |
411 | sql = neu; |
275 | ix -= 4; /* sql_fetch */ |
412 | ix -= 4; /* sql_fetch */ |
276 | } |
413 | } |
277 | |
414 | |
|
|
415 | /* now prepare all parameters, by unmagicalising them and upgrading them */ |
|
|
416 | for (i = arg; i < items; ++i) |
|
|
417 | { |
|
|
418 | SV *sv = ST (i); |
|
|
419 | |
|
|
420 | /* we sv_mortalcopy magical values since DBI seems to have a memory |
|
|
421 | * leak when magical values are passed into execute(). |
|
|
422 | */ |
|
|
423 | if (SvMAGICAL (sv)) |
|
|
424 | ST (i) = sv = sv_mortalcopy (sv); |
|
|
425 | |
|
|
426 | if ((ix & 1) && SvPOKp (sv) && !SvUTF8 (sv)) |
|
|
427 | { |
|
|
428 | ST (i) = sv = sv_mortalcopy (sv); |
|
|
429 | sv_utf8_upgrade (sv); |
|
|
430 | } |
|
|
431 | } |
|
|
432 | |
278 | /* check cache for existing statement handle */ |
433 | /* check cache for existing statement handle */ |
|
|
434 | lru = SvCUR (sql) <= MAX_CACHED_STATEMENT_SIZE |
279 | sth = lru_fetch (dbh, sql); |
435 | ? lru_fetch (dbh, sql) |
|
|
436 | : 0; |
280 | if (!sth) |
437 | if (!lru) |
281 | { |
438 | { |
|
|
439 | mc = mc_find (SvSTASH (SvRV (dbh))); |
|
|
440 | |
|
|
441 | if (!mc->prepare) |
|
|
442 | mc_cache (mc, prepare); |
|
|
443 | |
282 | PUSHMARK (SP); |
444 | PUSHMARK (SP); |
283 | EXTEND (SP, 2); |
445 | EXTEND (SP, 2); |
284 | PUSHs (dbh); |
446 | PUSHs (dbh); |
285 | PUSHs (sql); |
447 | PUSHs (sql); |
286 | PUTBACK; |
448 | PUTBACK; |
287 | count = call_sv (sv_prepare, G_METHOD | G_SCALAR); |
449 | count = call_sv (mc->prepare, G_SCALAR); |
288 | SPAGAIN; |
450 | SPAGAIN; |
289 | |
451 | |
290 | if (count != 1) |
452 | if (count != 1) |
291 | croak ("sql_exec: unable to prepare() statement '%s': %s", |
453 | croak ("sql_exec: unable to prepare() statement '%s': %s", |
292 | SvPV (sql, dc), |
454 | SvPV (sql, dc), |
293 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
455 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
294 | |
456 | |
295 | sth = POPs; |
457 | sth = POPs; |
296 | |
458 | |
|
|
459 | if (!SvROK (sth)) |
|
|
460 | croak ("sql_exec: buggy DBD driver, prepare returned non-reference for '%s': %s", |
|
|
461 | SvPV (sql, dc), |
|
|
462 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
|
|
463 | |
|
|
464 | mc = mc_find (SvSTASH (SvRV (sth))); |
|
|
465 | |
|
|
466 | if (!mc->bind_param) |
|
|
467 | { |
|
|
468 | mc_cache (mc, bind_param); |
|
|
469 | mc_cache (mc, execute); |
|
|
470 | mc_cache (mc, finish); |
|
|
471 | } |
|
|
472 | |
297 | if (SvLEN (sql) < MAX_CACHED_STATEMENT_SIZE) |
473 | if (SvCUR (sql) <= MAX_CACHED_STATEMENT_SIZE) |
298 | lru_store (dbh, sql, sth); |
474 | lru_store (dbh, sql, sth, mc); |
|
|
475 | |
|
|
476 | /* on first execution we unfortunately need to use bind_param |
|
|
477 | * to mark any numeric parameters as such. |
299 | } |
478 | */ |
|
|
479 | SvIV_set (tmp_iv, 0); |
300 | |
480 | |
301 | PUSHMARK (SP); |
|
|
302 | EXTEND (SP, items - arg + 1); |
|
|
303 | PUSHs (sth); |
|
|
304 | while (items > arg) |
481 | while (items > arg) |
|
|
482 | { |
|
|
483 | SV *sv = ST (arg); |
|
|
484 | /* we sv_mortalcopy magical values since DBI seems to have a memory |
|
|
485 | * leak when magical values are passed into execute(). |
|
|
486 | */ |
|
|
487 | |
|
|
488 | PUSHMARK (SP); |
|
|
489 | EXTEND (SP, 4); |
|
|
490 | PUSHs (sth); |
|
|
491 | SvIVX (tmp_iv)++; |
|
|
492 | SvIOK_only (tmp_iv); |
|
|
493 | PUSHs (tmp_iv); |
|
|
494 | PUSHs (sv); |
|
|
495 | |
|
|
496 | PUSHs ( |
|
|
497 | SvPOKp (sv) ? sql_varchar |
|
|
498 | : SvNOKp (sv) ? sql_double |
|
|
499 | : SvIOKp (sv) ? sql_integer |
|
|
500 | : sql_varchar |
|
|
501 | ); |
|
|
502 | |
|
|
503 | PUTBACK; |
|
|
504 | call_sv (mc->bind_param, G_VOID); |
|
|
505 | SPAGAIN; |
|
|
506 | |
|
|
507 | arg++; |
|
|
508 | } |
|
|
509 | |
|
|
510 | /* now use execute without any arguments */ |
|
|
511 | PUSHMARK (SP); |
|
|
512 | EXTEND (SP, 1); |
|
|
513 | PUSHs (sth); |
|
|
514 | } |
|
|
515 | else |
305 | { |
516 | { |
306 | SV *sv = ST(arg); |
517 | sth = sv_2mortal (SvREFCNT_inc (lru->sth)); |
307 | /* we sv_mortalcopy magical values since DBI seems to have a memory |
518 | mc = lru->mc; |
308 | * leak when magical values are passed into execute(). |
519 | |
|
|
520 | /* we have previously executed this statement, so we |
|
|
521 | * use the cached types and use execute with arguments. |
309 | */ |
522 | */ |
310 | PUSHs (maybe_upgrade_utf8 (ix & 1, SvMAGICAL(sv) ? sv_mortalcopy(sv) : sv)); |
523 | |
|
|
524 | PUSHMARK (SP); |
|
|
525 | EXTEND (SP, items - arg + 1); |
|
|
526 | PUSHs (sth); |
|
|
527 | while (items > arg) |
|
|
528 | { |
|
|
529 | SV *sv = ST (arg); |
|
|
530 | PUSHs (sv); |
311 | arg++; |
531 | arg++; |
|
|
532 | } |
312 | } |
533 | } |
313 | |
534 | |
314 | PUTBACK; |
535 | PUTBACK; |
315 | /* { static GV *execute; |
536 | /* { static GV *execute; |
316 | if (!execute) execute = gv_fetchmethod_autoload(SvSTASH(SvRV(sth)), "execute", 0); |
537 | if (!execute) execute = gv_fetchmethod_autoload(SvSTASH(SvRV(sth)), "execute", 0); |
317 | count = call_sv(GvCV(execute), G_SCALAR); |
538 | count = call_sv(GvCV(execute), G_SCALAR); |
318 | }*/ |
539 | }*/ |
319 | count = call_sv (sv_execute, G_METHOD | G_SCALAR); |
540 | count = call_sv (mc->execute, G_SCALAR); |
320 | SPAGAIN; |
541 | SPAGAIN; |
321 | |
542 | |
322 | if (count != 1) |
543 | if (count != 1) |
323 | croak ("sql_exec: execute() didn't return any value ('%s'): %s", |
544 | croak ("sql_exec: execute() didn't return any value ('%s'): %s", |
324 | SvPV (sql, dc), |
545 | SvPV (sql, dc), |
… | |
… | |
329 | if (!SvTRUE (execute)) |
550 | if (!SvTRUE (execute)) |
330 | croak ("sql_exec: unable to execute statement '%s' (%s)", |
551 | croak ("sql_exec: unable to execute statement '%s' (%s)", |
331 | SvPV (sql, dc), |
552 | SvPV (sql, dc), |
332 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
553 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
333 | |
554 | |
334 | sv_setsv (GvSV(sql_exec), execute); |
555 | sv_setsv (GvSV (sql_exec), execute); |
335 | |
556 | |
336 | if (bind_first != bind_last) |
557 | if (bind_first != bind_last) |
337 | { |
558 | { |
338 | PUSHMARK (SP); |
559 | PUSHMARK (SP); |
339 | EXTEND (SP, bind_last - bind_first + 2); |
560 | EXTEND (SP, bind_last - bind_first + 2); |
340 | PUSHs (sth); |
561 | PUSHs (sth); |
341 | do { |
562 | do { |
|
|
563 | #if CAN_UTF8 |
|
|
564 | if (ix & 1) |
|
|
565 | SvUTF8_on (SvRV(ST(bind_first))); |
|
|
566 | #endif |
342 | PUSHs (ST(bind_first)); |
567 | PUSHs (ST(bind_first)); |
343 | bind_first++; |
568 | bind_first++; |
344 | } while (bind_first != bind_last); |
569 | } while (bind_first != bind_last); |
345 | |
570 | |
346 | PUTBACK; |
571 | PUTBACK; |
|
|
572 | |
|
|
573 | if (!mc->bind_columns) |
|
|
574 | mc_cache (mc, bind_columns); |
|
|
575 | |
347 | count = call_sv (sv_bind_columns, G_METHOD | G_SCALAR); |
576 | count = call_sv (mc->bind_columns, G_SCALAR); |
|
|
577 | |
348 | SPAGAIN; |
578 | SPAGAIN; |
349 | |
579 | |
350 | if (count != 1) |
580 | if (count != 1) |
351 | croak ("sql_exec: bind_columns() didn't return any value ('%s'): %s", |
581 | croak ("sql_exec: bind_columns() didn't return any value ('%s'): %s", |
352 | SvPV (sql, dc), |
582 | SvPV (sql, dc), |
353 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
583 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
354 | |
584 | |
355 | if (!SvOK (POPs)) |
585 | if (!SvOK (TOPs)) |
356 | croak ("sql_exec: bind_columns() didn't return a true ('%s'): %s", |
586 | croak ("sql_exec: bind_columns() didn't return a true ('%s'): %s", |
357 | SvPV (sql, dc), |
587 | SvPV (sql, dc), |
358 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
588 | SvPV (get_sv ("DBI::errstr", TRUE), dd)); |
|
|
589 | |
359 | } |
590 | POPs; |
360 | |
591 | } |
361 | /* free our arguments from the stack */ |
|
|
362 | SP -= items; |
|
|
363 | |
592 | |
364 | if ((ix & ~1) == 2) |
593 | if ((ix & ~1) == 2) |
365 | { /* sql_fetch */ |
594 | { /* sql_fetch */ |
366 | SV *row; |
595 | SV *row; |
367 | |
596 | |
368 | PUSHMARK (SP); |
597 | PUSHMARK (SP); |
369 | XPUSHs (sth); |
598 | XPUSHs (sth); |
370 | PUTBACK; |
599 | PUTBACK; |
|
|
600 | |
|
|
601 | if (!mc->fetchrow_arrayref) |
|
|
602 | mc_cache (mc, fetchrow_arrayref); |
|
|
603 | |
371 | count = call_sv (sv_fetchrow_arrayref, G_METHOD | G_SCALAR); |
604 | count = call_sv (mc->fetchrow_arrayref, G_SCALAR); |
372 | SPAGAIN; |
605 | SPAGAIN; |
373 | |
606 | |
374 | if (count != 1) |
607 | if (count != 1) |
375 | abort (); |
608 | abort (); |
376 | |
609 | |
377 | row = POPs; |
610 | row = POPs; |
|
|
611 | |
|
|
612 | SP = PL_stack_base + orig_stack; |
378 | |
613 | |
379 | if (SvROK (row)) |
614 | if (SvROK (row)) |
380 | { |
615 | { |
381 | AV *av; |
616 | AV *av; |
382 | |
617 | |
… | |
… | |
385 | case G_VOID: |
620 | case G_VOID: |
386 | /* no thing */ |
621 | /* no thing */ |
387 | break; |
622 | break; |
388 | case G_SCALAR: |
623 | case G_SCALAR: |
389 | /* the first element */ |
624 | /* the first element */ |
390 | XPUSHs (mortalcopy_and_maybe_force_utf8 (ix & 1, *av_fetch ((AV *)SvRV (row), 0, 1))); |
625 | XPUSHs (mortalcopy_and_maybe_force_utf8 (ix & 1, AvARRAY ((AV *)SvRV (row))[0])); |
|
|
626 | count = 1; |
391 | break; |
627 | break; |
392 | case G_ARRAY: |
628 | case G_ARRAY: |
393 | av = (AV *)SvRV (row); |
629 | av = (AV *)SvRV (row); |
394 | count = AvFILL (av) + 1; |
630 | count = AvFILL (av) + 1; |
395 | EXTEND (SP, count); |
631 | EXTEND (SP, count); |
… | |
… | |
407 | SV *rows; |
643 | SV *rows; |
408 | |
644 | |
409 | PUSHMARK (SP); |
645 | PUSHMARK (SP); |
410 | XPUSHs (sth); |
646 | XPUSHs (sth); |
411 | PUTBACK; |
647 | PUTBACK; |
|
|
648 | |
|
|
649 | if (!mc->fetchall_arrayref) |
|
|
650 | mc_cache (mc, fetchall_arrayref); |
|
|
651 | |
412 | count = call_sv (sv_fetchall_arrayref, G_METHOD | G_SCALAR); |
652 | count = call_sv (mc->fetchall_arrayref, G_SCALAR); |
413 | SPAGAIN; |
653 | SPAGAIN; |
414 | |
654 | |
415 | if (count != 1) |
655 | if (count != 1) |
416 | abort (); |
656 | abort (); |
417 | |
657 | |
418 | rows = POPs; |
658 | rows = POPs; |
|
|
659 | |
|
|
660 | SP = PL_stack_base + orig_stack; |
419 | |
661 | |
420 | if (SvROK (rows)) |
662 | if (SvROK (rows)) |
421 | { |
663 | { |
422 | AV *av = (AV *)SvRV (rows); |
664 | AV *av = (AV *)SvRV (rows); |
423 | count = AvFILL (av) + 1; |
665 | count = AvFILL (av) + 1; |
… | |
… | |
435 | PUSHs (mortalcopy_and_maybe_force_utf8 (ix & 1, AvARRAY (av)[arg])); |
677 | PUSHs (mortalcopy_and_maybe_force_utf8 (ix & 1, AvARRAY (av)[arg])); |
436 | } |
678 | } |
437 | } |
679 | } |
438 | } |
680 | } |
439 | else |
681 | else |
|
|
682 | { |
|
|
683 | SP = PL_stack_base + orig_stack; |
440 | XPUSHs (sth); |
684 | XPUSHs (sth); |
|
|
685 | } |
441 | |
686 | |
442 | if (ix > 1 || GIMME_V == G_VOID) |
687 | if (ix > 1 || GIMME_V == G_VOID) |
443 | { |
688 | { |
|
|
689 | orig_stack = SP - PL_stack_base; |
|
|
690 | |
444 | PUSHMARK (SP); |
691 | PUSHMARK (SP); |
445 | XPUSHs (sth); |
692 | XPUSHs (sth); |
446 | PUTBACK; |
693 | PUTBACK; |
|
|
694 | |
|
|
695 | if (!mc->finish) |
|
|
696 | mc_cache (mc, finish); |
|
|
697 | |
447 | (void) call_sv (sv_finish, G_METHOD | G_DISCARD); |
698 | call_sv (mc->finish, G_DISCARD); |
448 | SPAGAIN; |
699 | SPAGAIN; |
|
|
700 | |
|
|
701 | SP = PL_stack_base + orig_stack; |
449 | } |
702 | } |
450 | } |
703 | } |
451 | } |
704 | } |
452 | |
705 | |
453 | |
706 | |