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Grouping docs cleanup

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This commit is contained in:
Zef Hemel
2026-03-06 14:36:30 +01:00
parent 82f1c9dd74
commit ff4c42a125
1 changed files with 2 additions and 237 deletions
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website/Space Lua/Lua Integrated Query/Grouping.md
+2 -237
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@@ -90,22 +90,9 @@ ${query[[
Groups by `name` and `parent`, keep only page-level tags with more than 1 entry:
```lua
query [[
from
index.tag 'tag'
group by
name,
parent
having
parent == 'page' and
#group > 1
]]
```
${query [[
from
index.tag 'tag'
tags.tag
group by
name,
parent
@@ -118,20 +105,9 @@ ${query [[
Filter to page parents first, then group by `name`:
```lua
query [[
from
index.tag 'tag'
where
parent == 'page'
group by
name
]]
```
${query [[
from
index.tag 'tag'
tags.tag
where
parent == 'page'
group by
@@ -141,20 +117,6 @@ ${query [[
## `where`, `group by` and `having` combined
Filter to page parents, group by `name`, keep groups with 2+ items:
```lua
query [[
from
index.tag 'tag'
where
parent == 'page'
group by
name
having
#group >= 2
]]
```
${query [[
from
index.tag 'tag'
@@ -169,20 +131,6 @@ ${query [[
## `select` name and count
Project each group into a table with `name` and `count`:
```lua
query [[
from
index.tag 'tag'
group by
name
select {
name = name,
count = #group
}
]]
```
${query [[
from
index.tag 'tag'
@@ -198,21 +146,6 @@ ${query [[
Project both key parts and count:
```lua
query [[
from
index.tag 'tag'
group by
name,
parent
select {
name = name,
parent = parent,
count = #group
}
]]
```
${query [[
from
index.tag 'tag'
@@ -230,24 +163,6 @@ ${query [[
Filter, group, filter groups, then project:
```lua
query [[
from
index.tag 'tag'
where
parent == 'page' or
parent == 'task'
group by
name
having
#group > 1
select {
tag = name,
total = #group
}
]]
```
${query [[
from
index.tag 'tag'
@@ -268,17 +183,6 @@ ${query [[
Sort groups by size, largest first:
```lua
query [[
from
index.tag 'tag'
group by
name
order by
#group desc
]]
```
${query [[
from
index.tag 'tag'
@@ -291,24 +195,6 @@ ${query [[
## Top tags with `having`, `order by`, and `select`
Tags with 2+ occurrences, sorted by count, projected:
```lua
query [[
from
index.tag 'tag'
group by
name
having
#group >= 2
order by
#group desc
select {
tag = name,
count = #group
}
]]
```
${query [[
from
index.tag 'tag'
@@ -325,22 +211,6 @@ ${query [[
]]}
## Top N groups with `limit`
Top 3 most used tags:
```lua
query [[
from
index.tag 'tag'
group by
name
order by
#group desc
limit
3
]]
```
${query [[
from
index.tag 'tag'
@@ -353,64 +223,7 @@ ${query [[
]]}
## Full pipeline with `limit`
Top 5 tags with 2+ uses, showing name and count:
```lua
query [[
from
index.tag 'tag'
group by
name
having
#group >= 2
order by
#group desc
select {
tag = name,
count = #group
}
limit
5
]]
```
${query [[
from
index.tag 'tag'
group by
name
having
#group >= 2
order by
#group desc
select {
tag = name,
count = #group
}
limit
5
]]}
## With explicit object variable
The same works with `p =` binding:
```lua
query [[
from
p = index.tag 'tag'
group by
p.name
having
#group > 1
select {
tag = name,
count = #group
}
]]
```
${query [[
from
p = index.tag 'tag'
@@ -425,30 +238,8 @@ ${query [[
]]}
## Multi-key with explicit object variable
Full pipeline with `p =` binding and two group keys:
```lua
query [[
from
p = index.tag 'tag'
where
p.parent == 'page'
group by
p.name,
p.parent
having
#group >= 2
order by
#group desc
select {
tag = name,
parent = parent,
count = #group
}
]]
```
${query [[
from
p = index.tag 'tag'
@@ -471,18 +262,6 @@ ${query [[
## Access `key` directly
For single-key grouping, `key` holds the value directly:
```lua
query [[
from
index.tag 'tag'
group by
name
having
key == 'meta'
]]
```
${query [[
from
index.tag 'tag'
@@ -495,20 +274,6 @@ ${query [[
## Access `key` table for multi-key
For multi-key grouping, `key` is a table indexed from 1:
```lua
query [[
from
index.tag 'tag'
group by
name,
parent
having
key[1] == 'meta' and
key[2] == 'page'
]]
```
${query [[
from
index.tag 'tag'