update readme

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Paul Trowbridge 2017-10-26 17:34:45 -04:00
parent 9623853387
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@ -4,6 +4,8 @@ Concepts
pull various static files into postgres and do basic transformation without losing the original document
or getting into custom code for each scenario
the is an in-between for an foreign data wrapper & custom programming
## Storage
all records are jsonb
applied mappings are in associated jsonb documents
@ -15,6 +17,9 @@ applied mappings are in associated jsonb documents
1. regular expressions are used to extract pieces of the json objects
2. the results of the regular expressions are bumped up against a list of basic mappings and written to an associated jsonb document
a target represents a whole scenario that needs matched. it can contain several regex expressions. if one fails, then no match is attempted because it coudl result in a false positive based on the @> oeprator used at join time
`this probably isn't correctly implemented`
## Transformation tools
* `COPY`
* `regexp_matches()`