| 162 | } |
| 163 | |
| 164 | bool CoercionRule::match(const dsc* d) const |
| 165 | { |
| 166 | // check for exact match (taking flags into an account) |
| 167 | if ((d->dsc_dtype == fromDsc.dsc_dtype) && |
| 168 | ((d->dsc_length == fromDsc.dsc_length) || (!(fromMask & FLD_has_len))) && |
| 169 | ((d->getCharSet() == fromDsc.getCharSet()) || (!(fromMask & FLD_has_chset))) && |
| 170 | ((d->getSubType() == fromDsc.getSubType()) || (!(fromMask & FLD_has_sub))) && |
| 171 | ((d->dsc_scale == fromDsc.dsc_scale) || (!(fromMask & FLD_has_scale)))) |
| 172 | { |
| 173 | return true; |
| 174 | } |
| 175 | |
| 176 | // check for inexact datatype match when FLD_has_prec is not set |
| 177 | if (!(fromMask & FLD_has_prec)) |
| 178 | { |
| 179 | switch(fromDsc.dsc_dtype) |
| 180 | { |
| 181 | case dtype_dec64: |
| 182 | case dtype_dec128: |
| 183 | if (DTYPE_IS_DECFLOAT(d->dsc_dtype)) |
| 184 | return true; |
| 185 | break; |
| 186 | |
| 187 | case dtype_short: |
| 188 | case dtype_long: |
| 189 | case dtype_int64: |
| 190 | case dtype_int128: |
| 191 | if (d->isExact() && (fromMask & FLD_has_sub) && (d->dsc_sub_type == fromDsc.dsc_sub_type)) |
| 192 | return true; |
| 193 | break; |
| 194 | |
| 195 | case dtype_timestamp_tz: |
| 196 | case dtype_sql_time_tz: |
| 197 | if (d->isDateTimeTz()) |
| 198 | return true; |
| 199 | break; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | return false; |
| 204 | } |
| 205 | |
| 206 | static const USHORT COMPATIBLE_TEXT = 1; |
| 207 | static const USHORT COMPATIBLE_INT = 2; |
no test coverage detected