Merge pull request #364 from FerencBodon-Kx/master

DOC-1078 a dictionary can also be assigned to .z.zd

Author: natalietanner

docs/ref/dotz.md

@@ -1156,6 +1156,7 @@ q).z.z
 
 ```syntax
 .z.zd:(lbs;alg;lvl)
+.z.zd:dict
 ```
 
 Integers `lbs`, `alg`, and `lvl` are [compression parameters](../kb/file-compression.md#compression-parameters) and/or [encryption parameters](../kb/dare.md#encryption).
@@ -1167,6 +1168,16 @@ q).z.zd:17 2 6        / set zip defaults
 q)\x .z.zd            / clear zip defaults
 ```
 
+You can also assign a dictionary to `.z.zd`. The keys of the dictionary are either column names or the null symbol `` `  ``. The value of each entry is an integer vector: `lbs`, `alg`, and `lvl`. The null symbol is used as a default for columns that do not match the other keys.
+
+```q
+q)show dict:``a`b!(17 5 3;17 2 6;17 2 6)  / default compression is `zstd` with level 3
+ | 17 5 3
+a| 17 2 6
+b| 17 2 6
+q).z.zd:dict
+```
+
 :fontawesome-solid-hand-point-right:
 [`-21!x`](../basics/internal.md#-21x-compressionencryption-stats) (compression/encryption stats), [`set`](get.md#set) (per file/dir compression)
 

docs/ref/get.md

@@ -206,8 +206,8 @@ q)m1:1000000
 q)t:([]a:m1?10;b:m1?10;c:m1?10;d:m1?10)
 
 q)/specify compression for cols a, b and defaults for others
-q)show dic:``a`b!(17 2 9;17 2 6;17 2 6)
- | 17 2 9
+q)show dic:``a`b!(17 5 3;17 2 6;17 2 6)
+ | 17 5 3
 a| 17 2 6
 b| 17 2 6
 q)(`:ztbl/;dic) set t               / splay table compressed