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calc_lookup_table_union [2013/07/18 19:52] 127.0.0.1 external edit |
calc_lookup_table_union [2026/08/28 03:11] (current) hermann Sync from local documentation review |
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| - | ====== Calc Lookup Table Union ====== | + | ====== Calc Lookup Table Union ====== |
| ===== Description ===== | ===== Description ===== | ||
| - | This functor calculates a lookup table that is the union of two lookup tables. | + | Calculates the lookup table that is the union of two lookup tables. |
| ===== Inputs ===== | ===== Inputs ===== | ||
| - | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
| - | | First Table | [[Lookup Table Type|Lookup Table ]] | The first lookup table. | | + | | First Table | [[Lookup Table Type]] | The first lookup table. | |
| - | | Second Table | [[Lookup Table Type|Lookup Table ]] | The second lookup table. | | + | | Second Table | [[Lookup Table Type]] | The second lookup table. | |
| ===== Optional Inputs ===== | ===== Optional Inputs ===== | ||
| - | ^ Name ^ Type ^ Description ^ Default Value ^ | + | ^ Name ^ Type ^ Description ^ Default Value ^ |
| - | | use First Table To Solve Duplicated Key | [[Bool Type|Bool ]] | If true, in the case of duplicated keys, the value of the first table is selected; otherwise, the value of the second table is selected. | True | | + | | Use First Table To Solve Duplicated Key | [[Boolean Value Type]] | If true, and a key occurs in both tables, the value from First Table is kept; if false, the value from Second Table is kept instead. | True | |
| - | ===== Output ===== | + | ===== Outputs ===== |
| - | ^ Name ^ Type ^ Description ^ | + | ^ Name ^ Type ^ Description ^ |
| - | | result | [[Lookup Table Type|Lookup Table ]] | The resulting lookup table. | | + | | Result | [[Lookup Table Type]] | The resulting lookup table, containing every key present in First Table or Second Table (or both). | |
| ===== Group ===== | ===== Group ===== | ||
| - | [[Functor List#Table | Table]] | + | [[Functor List#Lookup Table | Lookup Table]] |
| ===== Notes ===== | ===== Notes ===== | ||
| - | The column names from the first input table are assigned to the output table. | + | The key and value column names of Result are inherited from First Table. |
| - | For further information about set intersection, see [[wp>Set_union]]. | + | For background on this operation, see [[https://en.wikipedia.org/wiki/Union_(set_theory)|set union]]. |
| ===== Internal Name ===== | ===== Internal Name ===== | ||