6.6 KiB
6.6 KiB
regular expression screen
+------------------------+----+
source | DCARD | \/ |
+-----------------------------+
+-----------------------------+
new name |First 20 |
+-----------------------------+
+-----------------------------+
function | extract(replace) | \/ |
+------------------------+----+
(each block is a regex, all blocks are concatenated into an array and linked to mapped ^alues)
first 20 characters
+----------------------------------+
+----------------------------------------------------------------------------------------------------+
+ | +-----------------------------+ |
| | Field Name| Description | \/| expressed as jsonb path "{Description}") |
+-------+ | +-----------------------------+ |
| | +-------------------------+ |
+ |label of return ^alue |f20 | |
| +-------------------------+ |
| +-------------------------+ |
| regular expression |.{1,20} | supply test run ^alues |
| +-------------------------+ |
| +-------------------------+ |
| replace wit | | |
| +-------------------------+ |
| +---+ |
| Map Results|Y/N| |
| +---+ |
| +---+ |
| Find All Matches| g | |
| +---+ |
| filter(s) |
| +-------------------------------------------+ |
| +----------------+ +----------------+ |
| |Category | |Restaurantes | |
| +----------------+ +----------------+ |
| +----------------+ +----------------+ |
| |Category | |Services | |
| +----------------+ +----------------+ |
| |
+----------------------------------------------------------------------------------------------------+
map definition
{
"defn": [
{
"key": "{Description}",
"map": "y",
"flag": "g",
"field": "f20",
"regex": ".{1,20}",
"retain": "y"
}
],
"name": "First 20",
"where": [
{"Category":"Restaurantes"},
{"Category":"Services"}
],
"function": "extract",
"description": "pull first 20 characters from description for mapping"
}
SQL
select
x.x
from
TPS.srce_map_def_set(
'DCARD'::text,
'First 20'::text,
{
"defn": [
{
"key": "{Description}",
"map": "y",
"flag": "",
"field": "f20",
"regex": ".{1,20}",
"retain": "y"
}
],
"name": "First 20",
"where": [
{"Category":"Restaurantes"},
{"Category":"Services"}
],
"function": "extract",
"description": "pull first 20 characters from description for mapping"
} ::jsonb,
1::int
) x(x)
assign new key/values to the results of the regular expression, and then back to the underlying row it came from
| returned from expression | party | reason | city | provice | |
|---|---|---|---|---|---|
| {"f20": "BIG LOTS #00453 STOW"} | Big Lots | Home Supplies | Stow | Ohio | |
| {"f20": "1794MOTHERHOOD #1794"} | Motherhood | Clothes | |||
| {"f20": "3 PALMS HUDSON OH"} | 3 Palms | Restaurantes | Hudson | Ohio | |
| {"f20": "36241 7-ELEVEN STOW "} | 7-Eleven | Gasoline | Stow | Ohio | |
| {"f20": "7-ELEVEN 36241 STOW "} | 7-Eleven | Gasoline | Stow | Ohio | |
| {"f20": "98626 - 200 PUBLIC S"} | Public Sq Parking | Recreation | |||
| {"f20": "ACE HARDWARE HUDSON "} | Ace Hardware | Home Maint | Hudson | Ohio | |
| {"f20": "ACH CAFE AND STARBUC"} | Starbucks | Restaurantes |