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[pubsub/query] quote values using single quotes

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This fixes the problem with base-16 encoded values which may start with
digits: 015AB.... In such cases, the parser recognizes them as numbers
but fails to parse because of the follow-up characters (AB).

```
failed to parse tm.events.type=Tx AND hash=136E18F7E4C348B780CF873A0BF43922E5BAFA63:
parse error near digit (line 1 symbol 31 - line 1 symbol 32):
  "6"
```

So, from now on we should quote any values. This seems to be the way
Postgresql has chosen.
This commit is contained in:
Anton Kaliaev
2017-07-21 13:20:32 +03:00
parent 2f6f3e6aa7
commit a6a06f820f
7 changed files with 395 additions and 501 deletions
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pubsub/query/query.peg
+2 -2
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@@ -13,8 +13,8 @@ condition <- tag ' '* (le ' '* (number / time / date)
/ contains ' '* value
)
tag <- < (![ \t\n\r\\()"=><] .)+ >
value <- < (![ \t\n\r\\()"=><] .)+ >
tag <- < (![ \t\n\r\\()"'=><] .)+ >
value <- < '\'' (!["'] .)* '\''>
number <- < ('0'
/ [1-9] digit* ('.' digit*)?) >
digit <- [0-9]