lnbest0707-uber opened a new pull request, #14229:
URL: https://github.com/apache/pinot/pull/14229
Json index is a frequently used feature but currently with very limited
configuration ways. Users could only have a global max level or array index
limit. The existing includePaths/excludePaths(fields) could only do binary
include or exclude. There are requirement like following cannot be fulfilled:
Set global max level as 3, but 5 or infinite levels on a particular key
"$.request"
Include a prefix path "$.a.b.c" but with more or less max levels
Enable array json index on some path "$.a.b" only
Having includePaths filter with wildcard like matching instead of prefix
match only, e.g. "$.*.a.b"
This PR introduced a new json config parameter indexPaths which could be
configured with:
Matching infinite levels from a prefix with ** or a.**
Matching one single level from a prefix and with its following suffix with
a.b.*.c.d
Global max level setup or max level with prefix (e.g. 3 levels global and 5
levels after prefix) with *.*.* or a.b.*.*.*.*.*
Json index configuration within an array a..* to match {"a": ["b": 1, "c":
2]}
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