The function table

192 calculation functions and patterns. Each page runs a small sample through the calculation and through SQL, and shows the same numbers from both, plus the trap that breaks a naive translation.

Start with the classic: why a FIXED LOD ignores your filter

Level of detail 20

Table calculations 50

Aggregates 16

Dates 23

Logic 4

Numbers 30

Strings 24

Type conversion 3

User functions 6

Pass-through SQL 12

Spatial 4