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Using some online tools like https://www.bottlecaps.de/rr/ui and https://www.bottlecaps.de/convert/ we can have a nice navigable railroad diagram.
Copy and paste the `EBNF` shown bellow on https:…
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kvindex的查询语法确认:
原先的kvindex(f_index_pr实现的)的查询语法为:
select kvindex(queryPath, patternPath, pattern starttime, pattern endtime, epsilon (,alpha, beta)) from queryPath WhereClause
之后和向东学长讨论的查询语法有:
1. s…
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JPQL queries with embeddable (or relation) attributes that omit the optional entity identification variable (for consistency with JDQL) get IndexOutOfBoundsException on EclipseLink.
Example query:
…
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As part of supporting aggregate functions add support for following functions:
```
COUNT()
COUNT_DISTINCT()
```
Add `count` and `countDistinct` tag that can be used in `selectClause` structs as f…
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### Bug Report
| Q | A
|------------ | ------
| BC Break | no
| Version | 2.6.3
#### Summary
#### Current behavior
If you use Criteria::exp()->in() on relation …
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The query looks like:
```
var bdates = parameter.ChildBirthDates.Select(s => s.TryParseDateYyyyMmDd().Value.GetDiffInYears(date1)).ToArray();
query = query.Where(q => (!q.ChildFromAge.HasValue || q.C…
xumix updated
9 years ago
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# can't do find with regex operation
PerfectDocs/StORM-Saving-Retrieving-and-Deleting-Rows.md
```
try obj.select(
whereclause: "firstname = $1",
params: ["Joe"],
orderby: ["id"]
)
```
## …
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I noticed many of our services had slowed WAY down vs normal:
```
{
"target": "https://api.cf",
"first": 219,
"min": 153,
"p25": 192,
"med": 205,
"avg": 205,
"p75": 219,
"max…
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Option to only set a field if the new value is different to the existing value, e.g.
| accountid | name | telephone |
|---|---|---|
| 4d3365e6-62a9-4552-8277-92d7abfb6b47 | Data8 | NULL |
```s…
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chalk represents `dyn Trait` using binders, so that for `dyn Debug`, you have a predicate like ` T: Debug` (here, the bound variable `T` represents the self type).
rustc uses [`ExistentialPredicate…