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;doc: boolean queries: edits

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Simon Michael 2025-04-18 15:24:47 -10:00
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hledger/hledger.m4.md
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@ -5410,21 +5410,15 @@ The query expression must be written inside quotes, following a prefix (not as s
Also, there is a restriction: `date:` queries may not be used inside OR expressions.
<!-- That would allow disjoint report periods or unclear semantics for our reports. -->
There are three types of boolean query: `expr:`, `any:`, and `all:`.
There are three types of boolean query: `expr:`, `any:`, `all:`.
### expr: query
**`expr:'QUERYEXPR'`**\
Some examples:
`expr:'date:lastmonth AND NOT (food OR rent)'` means
For example, `expr:'date:lastmonth AND NOT (food OR rent)'` means
"match things which are dated in the last month and do not have food or rent in the account name".
(AND is the default, so could be omitted here.)
`expr:'expenses:food or (expenses:drink tag:A)'` means
"match things which reference the "expenses:food" account,
or which reference the "expenses:drink" account and also have a tag with an A in its name".
When using `expr:` with transaction-oriented commands like `print`,
With transaction-oriented commands like `print`,
note that posting-oriented query terms like `acct:` and `amt:` are considered to match the transaction
if they match any of its postings.\
So, `hledger print expr:'cash and amt:>0'`