static int double_mtime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObDoubleType);
out.set_mtime(static_cast<ObModifyTime> (in.get_double()));
return OB_SUCCESS;
}
static int ctime_float(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObCreateTimeType);
out.set_float(static_cast<float> (in.get_ctime()));
return OB_SUCCESS;
}
static int double_int(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObDoubleType);
out.set_int(static_cast<int64_t> (in.get_double()));
return OB_SUCCESS;
}
static int ctime_datetime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObCreateTimeType);
out.set_datetime(static_cast<ObDateTime> (in.get_ctime() / 1000000L));
return OB_SUCCESS;
}
static int mtime_pdatetime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObModifyTimeType);
out.set_precise_datetime(static_cast<ObPreciseDateTime> (in.get_mtime()));
return OB_SUCCESS;
}
static int float_double(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObFloatType);
out.set_double(static_cast<double> (in.get_float()));
return OB_SUCCESS;
}
static int decimal_bool(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObDecimalType);
out.set_bool(!in.get_decimal().is_zero());
return OB_SUCCESS;
}
static int mtime_bool(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObModifyTimeType);
out.set_bool(static_cast<bool> (in.get_mtime()));
return OB_SUCCESS;
}
static int bool_float(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObBoolType);
out.set_float(static_cast<float> (in.get_bool()));
return OB_SUCCESS;
}
static int int_datetime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObIntType);
out.set_datetime(static_cast<ObDateTime> (in.get_int()));
return OB_SUCCESS;
}
static int bool_ctime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObBoolType);
out.set_ctime(static_cast<ObCreateTime> (in.get_bool()));
return OB_SUCCESS;
}
static int int_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObIntType);
ret = varchar_printf(out, "%ld", in.get_int());
return ret;
}
static int int_decimal(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObIntType);
ObNumber num;
num.from(in.get_int());
out.set_decimal(num); // @todo optimize
return OB_SUCCESS;
}
static int mtime_decimal(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObModifyTimeType);
ObNumber num;
num.from(static_cast<int64_t> (in.get_mtime()));
out.set_decimal(num);
return OB_SUCCESS;
}
static int datetime_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObDateTimeType);
time_t t = static_cast<time_t> (in.get_datetime());
struct tm gtm;
localtime_r(&t, >m);
ret = varchar_printf(out, "%04d-%02d-%02d %02d:%02d:%02d",
gtm.tm_year + 1900, gtm.tm_mon + 1, gtm.tm_mday,
gtm.tm_hour, gtm.tm_min, gtm.tm_sec);
return ret;
}
static int varchar_datetime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObVarcharType);
int year = 0;
int month = 0;
int day = 0;
int hour = 0;
int minute = 0;
int second = 0;
ret = varchar_scanf(in, 6, "%4d-%2d-%2d %2d:%2d:%2d",
&year, &month, &day,
&hour, &minute, &second);
if (OB_SUCCESS != ret)
{
year = month = day = hour = minute = second = 0;
ret = varchar_scanf(in, 3, "%4d-%2d-%2d",
&year, &month, &day);
}
if (OB_SUCCESS != ret)
{
year = month = day = hour = minute = second = 0;
ret = varchar_scanf(in, 3, "%2d:%2d:%2d",
&hour, &minute, &second);
}
if (OB_SUCCESS == ret)
{
struct tm gtm;
memset(>m, 0, sizeof (gtm));
gtm.tm_year = year - 1900;
gtm.tm_mon = month - 1;
gtm.tm_mday = day;
gtm.tm_hour = hour;
gtm.tm_min = minute;
gtm.tm_sec = second;
time_t t = mktime(>m);
out.set_datetime(static_cast<ObDateTime> (t));
}
else
{
const string& varchar = in.get_varchar();
jlog(WARNING, "failed to convert string `%.*s' to datetime type",
varchar.length(), varchar.data());
out.set_datetime(static_cast<ObDateTime> (0));
ret = OB_SUCCESS;
}
return ret;
}
static int bool_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObBoolType);
string varchar;
if (in.get_bool())
{
varchar.assign("true");
}
else
{
varchar.assign("false");
}
out.set_varchar(varchar);
return OB_SUCCESS;
}
static int decimal_mtime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObDecimalType);
int64_t i64 = 0;
if (OB_SUCCESS != (ret = in.get_decimal().cast_to_int64(i64)))
{
jlog(WARNING, "failed to cast to int64, err=%d", ret);
}
else
{
out.set_mtime(static_cast<ObModifyTime> (i64));
}
return ret;
}
static int varchar_decimal(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObVarcharType);
const string &varchar = in.get_varchar();
ObNumber num;
if (OB_SUCCESS != (ret = num.from(varchar.data(), varchar.length())))
{
jlog(WARNING, "failed to convert varchar to decimal, err=%d varchar=%.*s",
ret, varchar.length(), varchar.data());
}
else
{
out.set_decimal(num); // @todo optimize
}
return OB_SUCCESS;
}
static int varchar_double(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObVarcharType);
double value = 0.0;
ret = varchar_scanf(in, 1, "%lf", &value);
if (OB_SUCCESS == ret)
{
out.set_double(value);
}
else
{
out.set_double(0.0);
ret = OB_SUCCESS;
}
return ret;
}
static int decimal_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObDecimalType);
string varchar = out.get_varchar();
if (varchar.length() < ObNumber::MAX_PRINTABLE_SIZE)
{
jlog(WARNING, "output buffer for varchar not enough, buf_len=%d", varchar.length());
ret = OB_INVALID_ARGUMENT;
}
else
{
int64_t length = in.get_decimal().to_string((char*) varchar.data(), varchar.length());
string varchar2(varchar);
out.set_varchar(varchar2);
}
return ret;
}
static int double_decimal(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObDoubleType);
static const int64_t MAX_DOUBLE_PRINT_SIZE = 64;
char buf[MAX_DOUBLE_PRINT_SIZE];
snprintf(buf, MAX_DOUBLE_PRINT_SIZE, "%f", in.get_double());
ObNumber num;
if (OB_SUCCESS != (ret = num.from(buf)))
{
jlog(WARNING, "failed to convert float to decimal, err=%d", ret);
}
else
{
out.set_decimal(num);
}
return ret;
}
static int decimal_double(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObDecimalType);
// decimal -> string -> float
char buf[ObNumber::MAX_PRINTABLE_SIZE];
memset(buf, 0, ObNumber::MAX_PRINTABLE_SIZE);
in.get_decimal().to_string(buf, ObNumber::MAX_PRINTABLE_SIZE);
double v = 0.0;
if (1 == sscanf(buf, "%lf", &v))
{
out.set_double(v);
}
else
{
out.set_double(0.0);
}
return OB_SUCCESS;
}
static int varchar_mtime(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
int ret = OB_SUCCESS;
UNUSED(params);
OB_ASSERT(in.get_type() == ObVarcharType);
int64_t timestamp = 0;
ret = varchar_timestamp(in, timestamp);
if (OB_SUCCESS == ret)
{
out.set_mtime(static_cast<ObModifyTime> (timestamp));
}
else
{
const string& varchar = in.get_varchar();
jlog(WARNING, "failed to convert string `%.*s' to modifytime type",
varchar.length(), varchar.data());
out.set_mtime(static_cast<ObModifyTime> (0));
ret = OB_SUCCESS;
}
return ret;
}
static int varchar_bool(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObVarcharType);
const string &varchar = in.get_varchar();
bool value = false;
if (varchar.data() != NULL && varchar.length() > 0)
{
static const int64_t len_true = strlen("true");
static const int64_t len_t = strlen("T");
static const int64_t len_yes = strlen("yes");
static const int64_t len_y = strlen("y");
if (varchar.length() == len_true
&& 0 == strncasecmp(varchar.data(), "true", len_true))
{
value = true;
}
else if (varchar.length() == len_t
&& 0 == strncasecmp(varchar.data(), "T", len_t))
{
value = true;
}
else if (varchar.length() == len_yes
&& 0 == strncasecmp(varchar.data(), "yes", len_yes))
{
value = true;
}
else if (varchar.length() == len_y
&& 0 == strncasecmp(varchar.data(), "y", len_y))
{
value = true;
}
}
out.set_bool(value);
return OB_SUCCESS;
}
static int mtime_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObModifyTimeType);
return timestamp_varchar(in.get_mtime(), out);
}
static int double_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObDoubleType);
return varchar_printf(out, "%f", in.get_double());
}
static int pdatetime_varchar(const ObObjCastParams ¶ms, const ObExprObj &in, ObExprObj &out)
{
UNUSED(params);
OB_ASSERT(in.get_type() == ObPreciseDateTimeType);
return timestamp_varchar(in.get_precise_datetime(), out);
}
