| 108 | } |
| 109 | |
| 110 | static MutableColumnPtr mixColumns( |
| 111 | const ColumnWithTypeAndName & col_read, |
| 112 | const ColumnWithTypeAndName & col_defaults, |
| 113 | const BlockMissingValues::RowsBitMask & defaults_mask) |
| 114 | { |
| 115 | size_t column_size = col_read.column->size(); |
| 116 | size_t defaults_needed = defaults_mask.size(); |
| 117 | |
| 118 | MutableColumnPtr column_mixed = col_read.column->cloneEmpty(); |
| 119 | |
| 120 | for (size_t i = 0; i < defaults_needed; ++i) |
| 121 | { |
| 122 | if (defaults_mask[i]) |
| 123 | { |
| 124 | if (isColumnConst(*col_defaults.column)) |
| 125 | column_mixed->insert((*col_defaults.column)[i]); |
| 126 | else |
| 127 | column_mixed->insertFrom(*col_defaults.column, i); |
| 128 | } |
| 129 | else |
| 130 | column_mixed->insertFrom(*col_read.column, i); |
| 131 | } |
| 132 | |
| 133 | for (size_t i = defaults_needed; i < column_size; ++i) |
| 134 | column_mixed->insertFrom(*col_read.column, i); |
| 135 | |
| 136 | return column_mixed; |
| 137 | } |
| 138 | |
| 139 | |
| 140 | AddingDefaultsTransform::AddingDefaultsTransform( |
no test coverage detected