static VALUE rb_mysql_client_async_result(VALUE self) {
MYSQL_RES * result;
GET_CLIENT(self);
REQUIRE_OPEN_DB(wrapper);
if (rb_thread_blocking_region(nogvl_read_query_result, wrapper->client, RUBY_UBF_IO, 0) == Qfalse) {
// an error occurred, mark this connection inactive
MARK_CONN_INACTIVE(self);
return rb_raise_mysql2_error(wrapper->client);
}
result = (MYSQL_RES *)rb_thread_blocking_region(nogvl_store_result, wrapper->client, RUBY_UBF_IO, 0);
// we have our result, mark this connection inactive
MARK_CONN_INACTIVE(self);
if (result == NULL) {
if (mysql_field_count(wrapper->client) != 0) {
rb_raise_mysql2_error(wrapper->client);
}
return Qnil;
}
VALUE resultObj = rb_mysql_result_to_obj(result);
// pass-through query options for result construction later
rb_iv_set(resultObj, "@query_options", rb_funcall(rb_iv_get(self, "@query_options"), rb_intern("dup"), 0));
#ifdef HAVE_RUBY_ENCODING_H
mysql2_result_wrapper * result_wrapper;
GetMysql2Result(resultObj, result_wrapper);
result_wrapper->encoding = wrapper->encoding;
#endif
return resultObj;
}
static VALUE rb_mysql_result_fetch_fields(VALUE self) {
mysql2_result_wrapper * wrapper;
unsigned int i = 0;
short int symbolizeKeys = 0;
VALUE defaults;
GetMysql2Result(self, wrapper);
defaults = rb_iv_get(self, "@query_options");
Check_Type(defaults, T_HASH);
if (rb_hash_aref(defaults, sym_symbolize_keys) == Qtrue) {
symbolizeKeys = 1;
}
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
if (RARRAY_LEN(wrapper->fields) != wrapper->numberOfFields) {
for (i=0; i<wrapper->numberOfFields; i++) {
rb_mysql_result_fetch_field(self, i, symbolizeKeys);
}
}
return wrapper->fields;
}
/* call-seq:
* client.store_result
*
* Return the next result object from a query which
* yielded multiple result sets.
*/
static VALUE rb_mysql_client_store_result(VALUE self)
{
MYSQL_RES * result;
VALUE resultObj;
#ifdef HAVE_RUBY_ENCODING_H
mysql2_result_wrapper * result_wrapper;
#endif
GET_CLIENT(self);
result = (MYSQL_RES *)rb_thread_blocking_region(nogvl_store_result, wrapper, RUBY_UBF_IO, 0);
if (result == NULL) {
if (mysql_errno(wrapper->client) != 0) {
rb_raise_mysql2_error(wrapper);
}
/* no data and no error, so query was not a SELECT */
return Qnil;
}
resultObj = rb_mysql_result_to_obj(result);
/* pass-through query options for result construction later */
rb_iv_set(resultObj, "@query_options", rb_hash_dup(rb_iv_get(self, "@current_query_options")));
#ifdef HAVE_RUBY_ENCODING_H
GetMysql2Result(resultObj, result_wrapper);
result_wrapper->encoding = wrapper->encoding;
#endif
return resultObj;
}
static VALUE rb_mysql_result_count(VALUE self) {
mysql2_result_wrapper *wrapper;
GetMysql2Result(self, wrapper);
if(wrapper->resultFreed) {
return LONG2NUM(RARRAY_LEN(wrapper->rows));
} else {
return INT2FIX(mysql_num_rows(wrapper->result));
}
}
static VALUE rb_mysql_result_each(int argc, VALUE * argv, VALUE self) {
VALUE opts, block;
mysql2_result_wrapper * wrapper;
unsigned long i;
GetMysql2Result(self, wrapper);
rb_scan_args(argc, argv, "01&", &opts, &block);
if (wrapper->lastRowProcessed == 0) {
wrapper->numberOfRows = mysql_num_rows(wrapper->result);
if (wrapper->numberOfRows == 0) {
return Qnil;
}
wrapper->rows = rb_ary_new2(wrapper->numberOfRows);
}
if (wrapper->lastRowProcessed == wrapper->numberOfRows) {
// we've already read the entire dataset from the C result into our
// internal array. Lets hand that over to the user since it's ready to go
for (i = 0; i < wrapper->numberOfRows; i++) {
rb_yield(rb_ary_entry(wrapper->rows, i));
}
} else {
unsigned long rowsProcessed = 0;
rowsProcessed = RARRAY_LEN(wrapper->rows);
for (i = 0; i < wrapper->numberOfRows; i++) {
VALUE row;
if (i < rowsProcessed) {
row = rb_ary_entry(wrapper->rows, i);
} else {
row = rb_mysql_result_fetch_row(argc, argv, self);
rb_ary_store(wrapper->rows, i, row);
wrapper->lastRowProcessed++;
}
if (row == Qnil) {
// we don't need the mysql C dataset around anymore, peace it
rb_mysql_result_free_result(wrapper);
return Qnil;
}
if (block != Qnil) {
rb_yield(row);
}
}
if (wrapper->lastRowProcessed == wrapper->numberOfRows) {
// we don't need the mysql C dataset around anymore, peace it
rb_mysql_result_free_result(wrapper);
}
}
return wrapper->rows;
}
static VALUE rb_mysql_result_fetch_field(VALUE self, unsigned int idx, short int symbolize_keys) {
mysql2_result_wrapper * wrapper;
VALUE rb_field;
GetMysql2Result(self, wrapper);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
rb_field = rb_ary_entry(wrapper->fields, idx);
if (rb_field == Qnil) {
MYSQL_FIELD *field = NULL;
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc = rb_default_internal_encoding();
rb_encoding *conn_enc = rb_to_encoding(wrapper->encoding);
#endif
field = mysql_fetch_field_direct(wrapper->result, idx);
if (symbolize_keys) {
char buf[field->name_length+1];
memcpy(buf, field->name, field->name_length);
buf[field->name_length] = 0;
#ifdef HAVE_RB_INTERN3
rb_field = rb_intern3(buf, field->name_length, rb_utf8_encoding());
rb_field = ID2SYM(rb_field);
#else
VALUE colStr;
colStr = rb_str_new2(buf);
rb_field = ID2SYM(rb_to_id(colStr));
#endif
} else {
rb_field = rb_str_new(field->name, field->name_length);
#ifdef HAVE_RUBY_ENCODING_H
rb_enc_associate(rb_field, conn_enc);
if (default_internal_enc) {
rb_field = rb_str_export_to_enc(rb_field, default_internal_enc);
}
#endif
}
rb_ary_store(wrapper->fields, idx, rb_field);
}
return rb_field;
}
/* call-seq:
* client.async_result
*
* Returns the result for the last async issued query.
*/
static VALUE rb_mysql_client_async_result(VALUE self) {
MYSQL_RES * result;
VALUE resultObj;
#ifdef HAVE_RUBY_ENCODING_H
mysql2_result_wrapper * result_wrapper;
#endif
GET_CLIENT(self);
// if we're not waiting on a result, do nothing
if (NIL_P(wrapper->active_thread))
return Qnil;
REQUIRE_CONNECTED(wrapper);
if (rb_thread_blocking_region(nogvl_read_query_result, wrapper->client, RUBY_UBF_IO, 0) == Qfalse) {
// an error occurred, mark this connection inactive
MARK_CONN_INACTIVE(self);
return rb_raise_mysql2_error(wrapper);
}
VALUE is_streaming = rb_hash_aref(rb_iv_get(self, "@query_options"), sym_stream);
if(is_streaming == Qtrue) {
result = (MYSQL_RES *)rb_thread_blocking_region(nogvl_use_result, wrapper, RUBY_UBF_IO, 0);
} else {
result = (MYSQL_RES *)rb_thread_blocking_region(nogvl_store_result, wrapper, RUBY_UBF_IO, 0);
}
if (result == NULL) {
if (mysql_errno(wrapper->client) != 0) {
MARK_CONN_INACTIVE(self);
rb_raise_mysql2_error(wrapper);
}
// no data and no error, so query was not a SELECT
return Qnil;
}
resultObj = rb_mysql_result_to_obj(result);
// pass-through query options for result construction later
rb_iv_set(resultObj, "@query_options", rb_funcall(rb_iv_get(self, "@query_options"), rb_intern("dup"), 0));
#ifdef HAVE_RUBY_ENCODING_H
GetMysql2Result(resultObj, result_wrapper);
result_wrapper->encoding = wrapper->encoding;
#endif
return resultObj;
}
static VALUE rb_mysql_result_fetch_fields(VALUE self) {
mysql2_result_wrapper * wrapper;
unsigned int i = 0;
GetMysql2Result(self, wrapper);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
if (RARRAY_LEN(wrapper->fields) != wrapper->numberOfFields) {
for (i=0; i<wrapper->numberOfFields; i++) {
rb_mysql_result_fetch_field(self, i, 0);
}
}
return wrapper->fields;
}
static VALUE rb_mysql_result_each(int argc, VALUE * argv, VALUE self) {
VALUE defaults, opts, block;
ID db_timezone, app_timezone, dbTz, appTz;
mysql2_result_wrapper * wrapper;
unsigned long i;
const char * errstr;
int symbolizeKeys = 0, asArray = 0, castBool = 0, cacheRows = 1, cast = 1, streaming = 0;
MYSQL_FIELD * fields = NULL;
GetMysql2Result(self, wrapper);
defaults = rb_iv_get(self, "@query_options");
Check_Type(defaults, T_HASH);
if (rb_scan_args(argc, argv, "01&", &opts, &block) == 1) {
opts = rb_funcall(defaults, intern_merge, 1, opts);
} else {
opts = defaults;
}
if (rb_hash_aref(opts, sym_symbolize_keys) == Qtrue) {
symbolizeKeys = 1;
}
if (rb_hash_aref(opts, sym_as) == sym_array) {
asArray = 1;
}
if (rb_hash_aref(opts, sym_cast_booleans) == Qtrue) {
castBool = 1;
}
if (rb_hash_aref(opts, sym_cache_rows) == Qfalse) {
cacheRows = 0;
}
if (rb_hash_aref(opts, sym_cast) == Qfalse) {
cast = 0;
}
if(rb_hash_aref(opts, sym_stream) == Qtrue) {
streaming = 1;
}
if(streaming && cacheRows) {
rb_warn("cacheRows is ignored if streaming is true");
}
dbTz = rb_hash_aref(opts, sym_database_timezone);
if (dbTz == sym_local) {
db_timezone = intern_local;
} else if (dbTz == sym_utc) {
db_timezone = intern_utc;
} else {
if (!NIL_P(dbTz)) {
rb_warn(":database_timezone option must be :utc or :local - defaulting to :local");
}
db_timezone = intern_local;
}
appTz = rb_hash_aref(opts, sym_application_timezone);
if (appTz == sym_local) {
app_timezone = intern_local;
} else if (appTz == sym_utc) {
app_timezone = intern_utc;
} else {
app_timezone = Qnil;
}
if (wrapper->lastRowProcessed == 0) {
if (streaming) {
/* We can't get number of rows if we're streaming, */
/* until we've finished fetching all rows */
wrapper->numberOfRows = 0;
wrapper->rows = rb_ary_new();
} else {
wrapper->numberOfRows = mysql_num_rows(wrapper->result);
if (wrapper->numberOfRows == 0) {
wrapper->rows = rb_ary_new();
return wrapper->rows;
}
wrapper->rows = rb_ary_new2(wrapper->numberOfRows);
}
}
if (streaming) {
if (!wrapper->streamingComplete) {
VALUE row;
fields = mysql_fetch_fields(wrapper->result);
do {
row = rb_mysql_result_fetch_row(self, db_timezone, app_timezone, symbolizeKeys, asArray, castBool, cast, fields);
if (block != Qnil && row != Qnil) {
rb_yield(row);
wrapper->lastRowProcessed++;
}
} while(row != Qnil);
rb_mysql_result_free_result(wrapper);
wrapper->numberOfRows = wrapper->lastRowProcessed;
wrapper->streamingComplete = 1;
// Check for errors, the connection might have gone out from under us
// mysql_error returns an empty string if there is no error
errstr = mysql_error(wrapper->client_wrapper->client);
if (errstr[0]) {
rb_raise(cMysql2Error, "%s", errstr);
}
} else {
rb_raise(cMysql2Error, "You have already fetched all the rows for this query and streaming is true. (to reiterate you must requery).");
}
} else {
if (cacheRows && wrapper->lastRowProcessed == wrapper->numberOfRows) {
/* we've already read the entire dataset from the C result into our */
/* internal array. Lets hand that over to the user since it's ready to go */
for (i = 0; i < wrapper->numberOfRows; i++) {
rb_yield(rb_ary_entry(wrapper->rows, i));
}
} else {
unsigned long rowsProcessed = 0;
rowsProcessed = RARRAY_LEN(wrapper->rows);
fields = mysql_fetch_fields(wrapper->result);
for (i = 0; i < wrapper->numberOfRows; i++) {
VALUE row;
if (cacheRows && i < rowsProcessed) {
row = rb_ary_entry(wrapper->rows, i);
} else {
row = rb_mysql_result_fetch_row(self, db_timezone, app_timezone, symbolizeKeys, asArray, castBool, cast, fields);
if (cacheRows) {
rb_ary_store(wrapper->rows, i, row);
}
wrapper->lastRowProcessed++;
}
if (row == Qnil) {
/* we don't need the mysql C dataset around anymore, peace it */
rb_mysql_result_free_result(wrapper);
return Qnil;
}
if (block != Qnil) {
rb_yield(row);
}
}
if (wrapper->lastRowProcessed == wrapper->numberOfRows) {
/* we don't need the mysql C dataset around anymore, peace it */
rb_mysql_result_free_result(wrapper);
}
}
}
return wrapper->rows;
}
static VALUE rb_mysql_result_fetch_row(VALUE self, ID db_timezone, ID app_timezone, int symbolizeKeys, int asArray, int castBool, int cast, MYSQL_FIELD * fields) {
VALUE rowVal;
mysql2_result_wrapper * wrapper;
MYSQL_ROW row;
unsigned int i = 0;
unsigned long * fieldLengths;
void * ptr;
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc;
rb_encoding *conn_enc;
#endif
GetMysql2Result(self, wrapper);
#ifdef HAVE_RUBY_ENCODING_H
default_internal_enc = rb_default_internal_encoding();
conn_enc = rb_to_encoding(wrapper->encoding);
#endif
ptr = wrapper->result;
row = (MYSQL_ROW)rb_thread_call_without_gvl(nogvl_fetch_row, ptr, RUBY_UBF_IO, 0);
if (row == NULL) {
return Qnil;
}
if (asArray) {
rowVal = rb_ary_new2(wrapper->numberOfFields);
} else {
rowVal = rb_hash_new();
}
fieldLengths = mysql_fetch_lengths(wrapper->result);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
for (i = 0; i < wrapper->numberOfFields; i++) {
VALUE field = rb_mysql_result_fetch_field(self, i, symbolizeKeys);
if (row[i]) {
VALUE val = Qnil;
enum enum_field_types type = fields[i].type;
if(!cast) {
if (type == MYSQL_TYPE_NULL) {
val = Qnil;
} else {
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
val = mysql2_set_field_string_encoding(val, fields[i], default_internal_enc, conn_enc);
#endif
}
} else {
switch(type) {
case MYSQL_TYPE_NULL: /* NULL-type field */
val = Qnil;
break;
case MYSQL_TYPE_BIT: /* BIT field (MySQL 5.0.3 and up) */
if (castBool && fields[i].length == 1) {
val = *row[i] == 1 ? Qtrue : Qfalse;
}else{
val = rb_str_new(row[i], fieldLengths[i]);
}
break;
case MYSQL_TYPE_TINY: /* TINYINT field */
if (castBool && fields[i].length == 1) {
val = *row[i] != '0' ? Qtrue : Qfalse;
break;
}
case MYSQL_TYPE_SHORT: /* SMALLINT field */
case MYSQL_TYPE_LONG: /* INTEGER field */
case MYSQL_TYPE_INT24: /* MEDIUMINT field */
case MYSQL_TYPE_LONGLONG: /* BIGINT field */
case MYSQL_TYPE_YEAR: /* YEAR field */
val = rb_cstr2inum(row[i], 10);
break;
case MYSQL_TYPE_DECIMAL: /* DECIMAL or NUMERIC field */
case MYSQL_TYPE_NEWDECIMAL: /* Precision math DECIMAL or NUMERIC field (MySQL 5.0.3 and up) */
if (fields[i].decimals == 0) {
val = rb_cstr2inum(row[i], 10);
} else if (strtod(row[i], NULL) == 0.000000){
val = rb_funcall(cBigDecimal, intern_new, 1, opt_decimal_zero);
}else{
val = rb_funcall(cBigDecimal, intern_new, 1, rb_str_new(row[i], fieldLengths[i]));
}
break;
case MYSQL_TYPE_FLOAT: /* FLOAT field */
case MYSQL_TYPE_DOUBLE: { /* DOUBLE or REAL field */
double column_to_double;
column_to_double = strtod(row[i], NULL);
if (column_to_double == 0.000000){
val = opt_float_zero;
}else{
val = rb_float_new(column_to_double);
}
break;
}
case MYSQL_TYPE_TIME: { /* TIME field */
int tokens;
unsigned int hour=0, min=0, sec=0;
tokens = sscanf(row[i], "%2u:%2u:%2u", &hour, &min, &sec);
if (tokens < 3) {
val = Qnil;
break;
}
val = rb_funcall(rb_cTime, db_timezone, 6, opt_time_year, opt_time_month, opt_time_month, UINT2NUM(hour), UINT2NUM(min), UINT2NUM(sec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { /* utc */
val = rb_funcall(val, intern_utc, 0);
}
}
break;
}
case MYSQL_TYPE_TIMESTAMP: /* TIMESTAMP field */
case MYSQL_TYPE_DATETIME: { /* DATETIME field */
int tokens;
unsigned int year=0, month=0, day=0, hour=0, min=0, sec=0, msec=0;
char msec_char[7] = {'0','0','0','0','0','0','\0'};
uint64_t seconds;
tokens = sscanf(row[i], "%4u-%2u-%2u %2u:%2u:%2u.%6s", &year, &month, &day, &hour, &min, &sec, msec_char);
if (tokens < 6) { /* msec might be empty */
val = Qnil;
break;
}
seconds = (year*31557600ULL) + (month*2592000ULL) + (day*86400ULL) + (hour*3600ULL) + (min*60ULL) + sec;
if (seconds == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
if (seconds < MYSQL2_MIN_TIME || seconds > MYSQL2_MAX_TIME) { /* use DateTime for larger date range, does not support microseconds */
VALUE offset = INT2NUM(0);
if (db_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
}
val = rb_funcall(cDateTime, intern_civil, 7, UINT2NUM(year), UINT2NUM(month), UINT2NUM(day), UINT2NUM(hour), UINT2NUM(min), UINT2NUM(sec), offset);
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
val = rb_funcall(val, intern_new_offset, 1, offset);
} else { /* utc */
val = rb_funcall(val, intern_new_offset, 1, opt_utc_offset);
}
}
} else {
/* microseconds can be up to 6 digits. Fewer digits must be interpreted from
* the left because the microseconds are to the right of the decimal point.
*/
if (tokens == 7) {
int i;
for (i = 0; i < 6; ++i) {
if (msec_char[i] == '\0') {
msec_char[i] = '0';
}
}
msec = (unsigned int)strtoul(msec_char, NULL, 10);
}
val = rb_funcall(rb_cTime, db_timezone, 7, UINT2NUM(year), UINT2NUM(month), UINT2NUM(day), UINT2NUM(hour), UINT2NUM(min), UINT2NUM(sec), UINT2NUM(msec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { /* utc */
val = rb_funcall(val, intern_utc, 0);
}
}
}
}
}
break;
}
case MYSQL_TYPE_DATE: /* DATE field */
case MYSQL_TYPE_NEWDATE: { /* Newer const used > 5.0 */
int tokens;
unsigned int year=0, month=0, day=0;
tokens = sscanf(row[i], "%4u-%2u-%2u", &year, &month, &day);
if (tokens < 3) {
val = Qnil;
break;
}
if (year+month+day == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
val = rb_funcall(cDate, intern_new, 3, UINT2NUM(year), UINT2NUM(month), UINT2NUM(day));
}
}
break;
}
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_STRING: /* CHAR or BINARY field */
case MYSQL_TYPE_SET: /* SET field */
case MYSQL_TYPE_ENUM: /* ENUM field */
case MYSQL_TYPE_GEOMETRY: /* Spatial fielda */
default:
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
val = mysql2_set_field_string_encoding(val, fields[i], default_internal_enc, conn_enc);
#endif
break;
}
}
if (asArray) {
rb_ary_push(rowVal, val);
} else {
rb_hash_aset(rowVal, field, val);
}
} else {
if (asArray) {
rb_ary_push(rowVal, Qnil);
} else {
rb_hash_aset(rowVal, field, Qnil);
}
}
}
return rowVal;
}
static VALUE rb_mysql_result_fetch_row(VALUE self, ID db_timezone, ID app_timezone, int symbolizeKeys, int asArray, int castBool, int cast, MYSQL_FIELD * fields) {
VALUE rowVal;
mysql2_result_wrapper * wrapper;
MYSQL_ROW row;
unsigned int i = 0;
unsigned long * fieldLengths;
void * ptr;
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc;
rb_encoding *conn_enc;
#endif
GetMysql2Result(self, wrapper);
#ifdef HAVE_RUBY_ENCODING_H
default_internal_enc = rb_default_internal_encoding();
conn_enc = rb_to_encoding(wrapper->encoding);
#endif
ptr = wrapper->result;
row = (MYSQL_ROW)rb_thread_blocking_region(nogvl_fetch_row, ptr, RUBY_UBF_IO, 0);
if (row == NULL) {
return Qnil;
}
if (asArray) {
rowVal = rb_ary_new2(wrapper->numberOfFields);
} else {
rowVal = rb_hash_new();
}
fieldLengths = mysql_fetch_lengths(wrapper->result);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
for (i = 0; i < wrapper->numberOfFields; i++) {
VALUE field = rb_mysql_result_fetch_field(self, i, symbolizeKeys);
if (row[i]) {
VALUE val = Qnil;
enum enum_field_types type = fields[i].type;
if(!cast) {
if (type == MYSQL_TYPE_NULL) {
val = Qnil;
} else {
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
val = mysql2_set_field_string_encoding(val, fields[i], default_internal_enc, conn_enc);
#endif
}
} else {
switch(type) {
case MYSQL_TYPE_NULL: // NULL-type field
val = Qnil;
break;
case MYSQL_TYPE_BIT: // BIT field (MySQL 5.0.3 and up)
val = rb_str_new(row[i], fieldLengths[i]);
break;
case MYSQL_TYPE_TINY: // TINYINT field
if (castBool && fields[i].length == 1) {
val = *row[i] == '1' ? Qtrue : Qfalse;
break;
}
case MYSQL_TYPE_SHORT: // SMALLINT field
case MYSQL_TYPE_LONG: // INTEGER field
case MYSQL_TYPE_INT24: // MEDIUMINT field
case MYSQL_TYPE_LONGLONG: // BIGINT field
case MYSQL_TYPE_YEAR: // YEAR field
val = rb_cstr2inum(row[i], 10);
break;
case MYSQL_TYPE_DECIMAL: // DECIMAL or NUMERIC field
case MYSQL_TYPE_NEWDECIMAL: // Precision math DECIMAL or NUMERIC field (MySQL 5.0.3 and up)
if (fields[i].decimals == 0) {
val = rb_cstr2inum(row[i], 10);
} else if (strtod(row[i], NULL) == 0.000000){
val = rb_funcall(cBigDecimal, intern_new, 1, opt_decimal_zero);
}else{
val = rb_funcall(cBigDecimal, intern_new, 1, rb_str_new(row[i], fieldLengths[i]));
}
break;
case MYSQL_TYPE_FLOAT: // FLOAT field
case MYSQL_TYPE_DOUBLE: { // DOUBLE or REAL field
double column_to_double;
column_to_double = strtod(row[i], NULL);
if (column_to_double == 0.000000){
val = opt_float_zero;
}else{
val = rb_float_new(column_to_double);
}
break;
}
case MYSQL_TYPE_TIME: { // TIME field
int hour, min, sec, tokens;
tokens = sscanf(row[i], "%2d:%2d:%2d", &hour, &min, &sec);
val = rb_funcall(rb_cTime, db_timezone, 6, opt_time_year, opt_time_month, opt_time_month, INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { // utc
val = rb_funcall(val, intern_utc, 0);
}
}
break;
}
case MYSQL_TYPE_TIMESTAMP: // TIMESTAMP field
case MYSQL_TYPE_DATETIME: { // DATETIME field
unsigned int year, month, day, hour, min, sec, tokens;
uint64_t seconds;
tokens = sscanf(row[i], "%4d-%2d-%2d %2d:%2d:%2d", &year, &month, &day, &hour, &min, &sec);
seconds = (year*31557600ULL) + (month*2592000ULL) + (day*86400ULL) + (hour*3600ULL) + (min*60ULL) + sec;
if (seconds == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
if (seconds < MYSQL2_MIN_TIME || seconds >= MYSQL2_MAX_TIME) { // use DateTime instead
VALUE offset = INT2NUM(0);
if (db_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
}
val = rb_funcall(cDateTime, intern_civil, 7, INT2NUM(year), INT2NUM(month), INT2NUM(day), INT2NUM(hour), INT2NUM(min), INT2NUM(sec), offset);
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
val = rb_funcall(val, intern_new_offset, 1, offset);
} else { // utc
val = rb_funcall(val, intern_new_offset, 1, opt_utc_offset);
}
}
} else {
val = rb_funcall(rb_cTime, db_timezone, 6, INT2NUM(year), INT2NUM(month), INT2NUM(day), INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { // utc
val = rb_funcall(val, intern_utc, 0);
}
}
}
}
}
break;
}
case MYSQL_TYPE_DATE: // DATE field
case MYSQL_TYPE_NEWDATE: { // Newer const used > 5.0
int year, month, day, tokens;
tokens = sscanf(row[i], "%4d-%2d-%2d", &year, &month, &day);
if (year+month+day == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
val = rb_funcall(cDate, intern_new, 3, INT2NUM(year), INT2NUM(month), INT2NUM(day));
}
}
break;
}
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_STRING: // CHAR or BINARY field
case MYSQL_TYPE_SET: // SET field
case MYSQL_TYPE_ENUM: // ENUM field
case MYSQL_TYPE_GEOMETRY: // Spatial fielda
default:
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
val = mysql2_set_field_string_encoding(val, fields[i], default_internal_enc, conn_enc);
#endif
break;
}
}
if (asArray) {
rb_ary_push(rowVal, val);
} else {
rb_hash_aset(rowVal, field, val);
}
} else {
if (asArray) {
rb_ary_push(rowVal, Qnil);
} else {
rb_hash_aset(rowVal, field, Qnil);
}
}
}
return rowVal;
}
static VALUE rb_mysql_result_fetch_row(int argc, VALUE * argv, VALUE self) {
VALUE rowHash, opts, block;
mysql2_result_wrapper * wrapper;
MYSQL_ROW row;
MYSQL_FIELD * fields = NULL;
unsigned int i = 0, symbolizeKeys = 0;
unsigned long * fieldLengths;
void * ptr;
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc = rb_default_internal_encoding();
rb_encoding *conn_enc = rb_to_encoding(rb_iv_get(self, "@encoding"));
#endif
GetMysql2Result(self, wrapper);
if (rb_scan_args(argc, argv, "01&", &opts, &block) == 1) {
Check_Type(opts, T_HASH);
if (rb_hash_aref(opts, sym_symbolize_keys) == Qtrue) {
symbolizeKeys = 1;
}
}
ptr = wrapper->result;
row = (MYSQL_ROW)rb_thread_blocking_region(nogvl_fetch_row, ptr, RUBY_UBF_IO, 0);
if (row == NULL) {
return Qnil;
}
rowHash = rb_hash_new();
fields = mysql_fetch_fields(wrapper->result);
fieldLengths = mysql_fetch_lengths(wrapper->result);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
for (i = 0; i < wrapper->numberOfFields; i++) {
VALUE field = rb_mysql_result_fetch_field(self, i, symbolizeKeys);
if (row[i]) {
VALUE val;
switch(fields[i].type) {
case MYSQL_TYPE_NULL: // NULL-type field
val = Qnil;
break;
case MYSQL_TYPE_BIT: // BIT field (MySQL 5.0.3 and up)
val = rb_str_new(row[i], fieldLengths[i]);
break;
case MYSQL_TYPE_TINY: // TINYINT field
case MYSQL_TYPE_SHORT: // SMALLINT field
case MYSQL_TYPE_LONG: // INTEGER field
case MYSQL_TYPE_INT24: // MEDIUMINT field
case MYSQL_TYPE_LONGLONG: // BIGINT field
case MYSQL_TYPE_YEAR: // YEAR field
val = rb_cstr2inum(row[i], 10);
break;
case MYSQL_TYPE_DECIMAL: // DECIMAL or NUMERIC field
case MYSQL_TYPE_NEWDECIMAL: // Precision math DECIMAL or NUMERIC field (MySQL 5.0.3 and up)
val = rb_funcall(cBigDecimal, intern_new, 1, rb_str_new(row[i], fieldLengths[i]));
break;
case MYSQL_TYPE_FLOAT: // FLOAT field
case MYSQL_TYPE_DOUBLE: // DOUBLE or REAL field
val = rb_float_new(strtod(row[i], NULL));
break;
case MYSQL_TYPE_TIME: { // TIME field
int hour, min, sec, tokens;
tokens = sscanf(row[i], "%2d:%2d:%2d", &hour, &min, &sec);
val = rb_funcall(rb_cTime, intern_utc, 6, INT2NUM(0), INT2NUM(1), INT2NUM(1), INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
break;
}
case MYSQL_TYPE_TIMESTAMP: // TIMESTAMP field
case MYSQL_TYPE_DATETIME: { // DATETIME field
int year, month, day, hour, min, sec, tokens;
tokens = sscanf(row[i], "%4d-%2d-%2d %2d:%2d:%2d", &year, &month, &day, &hour, &min, &sec);
if (year+month+day+hour+min+sec == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
val = rb_funcall(rb_cTime, intern_utc, 6, INT2NUM(year), INT2NUM(month), INT2NUM(day), INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
}
}
break;
}
case MYSQL_TYPE_DATE: // DATE field
case MYSQL_TYPE_NEWDATE: { // Newer const used > 5.0
int year, month, day, tokens;
tokens = sscanf(row[i], "%4d-%2d-%2d", &year, &month, &day);
if (year+month+day == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
val = rb_funcall(cDate, intern_new, 3, INT2NUM(year), INT2NUM(month), INT2NUM(day));
}
}
break;
}
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_STRING: // CHAR or BINARY field
case MYSQL_TYPE_SET: // SET field
case MYSQL_TYPE_ENUM: // ENUM field
case MYSQL_TYPE_GEOMETRY: // Spatial fielda
default:
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
// if binary flag is set, respect it's wishes
if (fields[i].flags & BINARY_FLAG) {
rb_enc_associate(val, binaryEncoding);
} else {
// lookup the encoding configured on this field
VALUE new_encoding = rb_funcall(cMysql2Client, intern_encoding_from_charset_code, 1, INT2NUM(fields[i].charsetnr));
if (new_encoding != Qnil) {
// use the field encoding we were able to match
rb_encoding *enc = rb_to_encoding(new_encoding);
rb_enc_associate(val, enc);
} else {
// otherwise fall-back to the connection's encoding
rb_enc_associate(val, conn_enc);
}
if (default_internal_enc) {
val = rb_str_export_to_enc(val, default_internal_enc);
}
}
#endif
break;
}
rb_hash_aset(rowHash, field, val);
} else {
rb_hash_aset(rowHash, field, Qnil);
}
}
return rowHash;
}
static VALUE rb_mysql_result_each(int argc, VALUE * argv, VALUE self) {
VALUE defaults, opts, block;
ID db_timezone, app_timezone, dbTz, appTz;
mysql2_result_wrapper * wrapper;
unsigned long i;
int symbolizeKeys = 0, asArray = 0, castBool = 0;
GetMysql2Result(self, wrapper);
defaults = rb_iv_get(self, "@query_options");
if (rb_scan_args(argc, argv, "01&", &opts, &block) == 1) {
opts = rb_funcall(defaults, intern_merge, 1, opts);
} else {
opts = defaults;
}
if (rb_hash_aref(opts, sym_symbolize_keys) == Qtrue) {
symbolizeKeys = 1;
}
if (rb_hash_aref(opts, sym_as) == sym_array) {
asArray = 1;
}
if (rb_hash_aref(opts, sym_cast_booleans) == Qtrue) {
castBool = 1;
}
dbTz = rb_hash_aref(opts, sym_database_timezone);
if (dbTz == sym_local) {
db_timezone = intern_local;
} else if (dbTz == sym_utc) {
db_timezone = intern_utc;
} else {
if (!NIL_P(dbTz)) {
rb_warn(":database_timezone option must be :utc or :local - defaulting to :local");
}
db_timezone = intern_local;
}
appTz = rb_hash_aref(opts, sym_application_timezone);
if (appTz == sym_local) {
app_timezone = intern_local;
} else if (appTz == sym_utc) {
app_timezone = intern_utc;
} else {
app_timezone = intern_local;
}
if (wrapper->lastRowProcessed == 0) {
wrapper->numberOfRows = mysql_num_rows(wrapper->result);
if (wrapper->numberOfRows == 0) {
wrapper->rows = rb_ary_new();
return wrapper->rows;
}
wrapper->rows = rb_ary_new2(wrapper->numberOfRows);
}
if (wrapper->lastRowProcessed == wrapper->numberOfRows) {
// we've already read the entire dataset from the C result into our
// internal array. Lets hand that over to the user since it's ready to go
for (i = 0; i < wrapper->numberOfRows; i++) {
rb_yield(rb_ary_entry(wrapper->rows, i));
}
} else {
unsigned long rowsProcessed = 0;
rowsProcessed = RARRAY_LEN(wrapper->rows);
for (i = 0; i < wrapper->numberOfRows; i++) {
VALUE row;
if (i < rowsProcessed) {
row = rb_ary_entry(wrapper->rows, i);
} else {
row = rb_mysql_result_fetch_row(self, db_timezone, app_timezone, symbolizeKeys, asArray, castBool);
rb_ary_store(wrapper->rows, i, row);
wrapper->lastRowProcessed++;
}
if (row == Qnil) {
// we don't need the mysql C dataset around anymore, peace it
rb_mysql_result_free_result(wrapper);
return Qnil;
}
if (block != Qnil) {
rb_yield(row);
}
}
if (wrapper->lastRowProcessed == wrapper->numberOfRows) {
// we don't need the mysql C dataset around anymore, peace it
rb_mysql_result_free_result(wrapper);
}
}
return wrapper->rows;
}
static VALUE rb_mysql_result_fetch_row(VALUE self, ID db_timezone, ID app_timezone, int symbolizeKeys, int asArray, int castBool) {
VALUE rowVal;
mysql2_result_wrapper * wrapper;
MYSQL_ROW row;
MYSQL_FIELD * fields = NULL;
unsigned int i = 0;
unsigned long * fieldLengths;
void * ptr;
GetMysql2Result(self, wrapper);
#ifdef HAVE_RUBY_ENCODING_H
rb_encoding *default_internal_enc = rb_default_internal_encoding();
rb_encoding *conn_enc = rb_to_encoding(wrapper->encoding);
#endif
ptr = wrapper->result;
row = (MYSQL_ROW)rb_thread_blocking_region(nogvl_fetch_row, ptr, RUBY_UBF_IO, 0);
if (row == NULL) {
return Qnil;
}
if (asArray) {
rowVal = rb_ary_new2(wrapper->numberOfFields);
} else {
rowVal = rb_hash_new();
}
fields = mysql_fetch_fields(wrapper->result);
fieldLengths = mysql_fetch_lengths(wrapper->result);
if (wrapper->fields == Qnil) {
wrapper->numberOfFields = mysql_num_fields(wrapper->result);
wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
}
for (i = 0; i < wrapper->numberOfFields; i++) {
VALUE field = rb_mysql_result_fetch_field(self, i, symbolizeKeys);
if (row[i]) {
VALUE val = Qnil;
switch(fields[i].type) {
case MYSQL_TYPE_NULL: // NULL-type field
val = Qnil;
break;
case MYSQL_TYPE_BIT: // BIT field (MySQL 5.0.3 and up)
val = rb_str_new(row[i], fieldLengths[i]);
break;
case MYSQL_TYPE_TINY: // TINYINT field
if (castBool && fields[i].length == 1) {
val = *row[i] == '1' ? Qtrue : Qfalse;
break;
}
case MYSQL_TYPE_SHORT: // SMALLINT field
case MYSQL_TYPE_LONG: // INTEGER field
case MYSQL_TYPE_INT24: // MEDIUMINT field
case MYSQL_TYPE_LONGLONG: // BIGINT field
case MYSQL_TYPE_YEAR: // YEAR field
val = rb_cstr2inum(row[i], 10);
break;
case MYSQL_TYPE_DECIMAL: // DECIMAL or NUMERIC field
case MYSQL_TYPE_NEWDECIMAL: // Precision math DECIMAL or NUMERIC field (MySQL 5.0.3 and up)
if (strtod(row[i], NULL) == 0.000000){
val = rb_funcall(cBigDecimal, intern_new, 1, opt_decimal_zero);
}else{
val = rb_funcall(cBigDecimal, intern_new, 1, rb_str_new(row[i], fieldLengths[i]));
}
break;
case MYSQL_TYPE_FLOAT: // FLOAT field
case MYSQL_TYPE_DOUBLE: { // DOUBLE or REAL field
double column_to_double;
column_to_double = strtod(row[i], NULL);
if (column_to_double == 0.000000){
val = opt_float_zero;
}else{
val = rb_float_new(column_to_double);
}
break;
}
case MYSQL_TYPE_TIME: { // TIME field
int hour, min, sec, tokens;
tokens = sscanf(row[i], "%2d:%2d:%2d", &hour, &min, &sec);
val = rb_funcall(rb_cTime, db_timezone, 6, opt_time_year, opt_time_month, opt_time_month, INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { // utc
val = rb_funcall(val, intern_utc, 0);
}
}
break;
}
case MYSQL_TYPE_TIMESTAMP: // TIMESTAMP field
case MYSQL_TYPE_DATETIME: { // DATETIME field
int year, month, day, hour, min, sec, tokens;
tokens = sscanf(row[i], "%4d-%2d-%2d %2d:%2d:%2d", &year, &month, &day, &hour, &min, &sec);
if (year+month+day+hour+min+sec == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
if (year < 1902 || year+month+day > 2058) { // use DateTime instead
VALUE offset = INT2NUM(0);
if (db_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
}
val = rb_funcall(cDateTime, intern_civil, 7, INT2NUM(year), INT2NUM(month), INT2NUM(day), INT2NUM(hour), INT2NUM(min), INT2NUM(sec), offset);
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
offset = rb_funcall(cMysql2Client, intern_local_offset, 0);
val = rb_funcall(val, intern_new_offset, 1, offset);
} else { // utc
val = rb_funcall(val, intern_new_offset, 1, opt_utc_offset);
}
}
} else {
val = rb_funcall(rb_cTime, db_timezone, 6, INT2NUM(year), INT2NUM(month), INT2NUM(day), INT2NUM(hour), INT2NUM(min), INT2NUM(sec));
if (!NIL_P(app_timezone)) {
if (app_timezone == intern_local) {
val = rb_funcall(val, intern_localtime, 0);
} else { // utc
val = rb_funcall(val, intern_utc, 0);
}
}
}
}
}
break;
}
case MYSQL_TYPE_DATE: // DATE field
case MYSQL_TYPE_NEWDATE: { // Newer const used > 5.0
int year, month, day, tokens;
tokens = sscanf(row[i], "%4d-%2d-%2d", &year, &month, &day);
if (year+month+day == 0) {
val = Qnil;
} else {
if (month < 1 || day < 1) {
rb_raise(cMysql2Error, "Invalid date: %s", row[i]);
val = Qnil;
} else {
val = rb_funcall(cDate, intern_new, 3, INT2NUM(year), INT2NUM(month), INT2NUM(day));
}
}
break;
}
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_STRING: // CHAR or BINARY field
case MYSQL_TYPE_SET: // SET field
case MYSQL_TYPE_ENUM: // ENUM field
case MYSQL_TYPE_GEOMETRY: // Spatial fielda
default:
val = rb_str_new(row[i], fieldLengths[i]);
#ifdef HAVE_RUBY_ENCODING_H
// if binary flag is set, respect it's wishes
if (fields[i].flags & BINARY_FLAG) {
rb_enc_associate(val, binaryEncoding);
} else {
// lookup the encoding configured on this field
VALUE new_encoding = rb_funcall(cMysql2Client, intern_encoding_from_charset_code, 1, INT2NUM(fields[i].charsetnr));
if (new_encoding != Qnil) {
// use the field encoding we were able to match
rb_encoding *enc = rb_to_encoding(new_encoding);
rb_enc_associate(val, enc);
} else {
// otherwise fall-back to the connection's encoding
rb_enc_associate(val, conn_enc);
}
if (default_internal_enc) {
val = rb_str_export_to_enc(val, default_internal_enc);
}
}
#endif
break;
}
if (asArray) {
rb_ary_push(rowVal, val);
} else {
rb_hash_aset(rowVal, field, val);
}
} else {
if (asArray) {
rb_ary_push(rowVal, Qnil);
} else {
rb_hash_aset(rowVal, field, Qnil);
}
}
}
return rowVal;
}
