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[#3] policy: update doc.go

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
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Evgenii Stratonikov 2021-05-21 19:04:15 +03:00
parent f5413e94b5
commit 4a0ed2f6ea
1 changed files with 9 additions and 7 deletions
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16
pkg/policy/doc.go
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@ -3,15 +3,17 @@
//
// Current limitations:
// 1. Filters must be defined before they are used.
// This requirement may be relaxed in future.
// This requirement may be relaxed in future.
// 2. Keywords are key-sensitive. This can be changed if necessary
// https://github.com/antlr/antlr4/blob/master/doc/case-insensitive-lexing.md .
//
// Example query:
// REP 1 in SPB
// REP 2 in Americas
// REP 1 IN SPB
// REP 2 IN Americas
// CBF 4
// SELECT 1 Node IN City FROM SPBSSD AS SPB
// SELECT 2 Node IN SAME City FROM Americas AS Americas
// SELECT 1 IN City FROM SPBSSD AS SPB
// SELECT 2 IN SAME City FROM Americas AS Americas
// FILTER SSD EQ true AS IsSSD
// FILTER @IsSSD AND Country eq "RU" AND City eq "St.Petersburg" AS SPBSSD
// FILTER 'Continent' == 'North America' OR Continent == 'South America' AS Americas
// FILTER @IsSSD AND Country EQ "RU" AND City EQ "St.Petersburg" AS SPBSSD
// FILTER 'Continent' EQ 'North America' OR Continent EQ 'South America' AS Americas
package policy