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[jdbc-scala] Regex extractor for executed statement, usable with rich…
… pattern:
```scala
e/* : QueryExecution */ match {
case ~(ExecutedStatement("^SELECT"), (sql, parameters)) => // ...
}
```- Loading branch information
cchantep
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Mar 1, 2014
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,53 @@ | |||
| package acolyte | |||
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| import acolyte.ParameterMetaData.ParameterDef | |||
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| /** Execution information */ | |||
| sealed trait Execution { | |||
| /** Executed SQL */ | |||
| def sql: String | |||
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| /** Execution parameters */ | |||
| def parameters: List[ExecutedParameter] | |||
| } | |||
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| case class QueryExecution( | |||
| sql: String, parameters: List[ExecutedParameter] = Nil) extends Execution | |||
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| case class UpdateExecution( | |||
| sql: String, parameters: List[ExecutedParameter] = Nil) extends Execution | |||
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| /** Statement extractor */ | |||
| case class ExecutedStatement( | |||
| /** Statement pattern */ | |||
| val p: String) { | |||
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| val re = p.r | |||
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| def unapply(x: Execution): Option[(String, List[ExecutedParameter])] = | |||
| re.findFirstIn(x.sql).map(_ ⇒ (x.sql -> x.parameters)) | |||
| } | |||
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| sealed trait ExecutedParameter { def value: Any } | |||
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| /** Executed parameter companion */ | |||
| object ExecutedParameter { | |||
| def apply(v: Any): ExecutedParameter = | |||
| new ExecutedParameter { val value = v } | |||
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| def unapply(p: ExecutedParameter): Option[Any] = Some(p.value) | |||
| } | |||
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| /** Parameter along with its definition. */ | |||
| case class DefinedParameter( | |||
| value: Any, definition: ParameterDef) extends ExecutedParameter { | |||
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| override lazy val toString = s"Param($value, ${definition.sqlTypeName})" | |||
| } | |||
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| /** Value extractor for execution parameter. */ | |||
| @deprecated( | |||
| message = "Use [[acolyte.ExecutedParameter]] extractor", since = "1.0.15") | |||
| object ParameterVal { | |||
| def unapply(p: ExecutedParameter): Option[Any] = ExecutedParameter.unapply(p) | |||
| } | |||
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,81 @@ | |||
| package acolyte | |||
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| import acolyte.{ ExecutedParameter ⇒ XP } | |||
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| object ExecutionSpec extends org.specs2.mutable.Specification { | |||
| "Execution" title | |||
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| "Query execution" >> { | |||
| val (q1, q2) = ( | |||
| QueryExecution("SELECT * FROM Test WHERE id = ?", XP("x") :: Nil), | |||
| QueryExecution("EXEC reindex")) | |||
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| "Query #1" should { | |||
| "match case class pattern" in { | |||
| q1 aka "q1" must beLike { | |||
| case QueryExecution("SELECT * FROM Test WHERE id = ?", | |||
| XP("x") :: Nil) ⇒ ok | |||
| } | |||
| } | |||
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| "not match case class pattern" in { | |||
| q1 aka "q1" must not(beLike { | |||
| case QueryExecution("EXEC reindex", Nil) ⇒ ok | |||
| }) | |||
| } | |||
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| "match statement extractor #1" in { | |||
| q1 aka "q1" must beLike { | |||
| case ~(ExecutedStatement("FROM Test"), (sql, XP("x") :: Nil)) ⇒ | |||
| sql aka "matching SQL" must_== "SELECT * FROM Test WHERE id = ?" | |||
| } | |||
| } | |||
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| "match statement extractor #2" in { | |||
| q1 aka "q1" must beLike { | |||
| case ~(ExecutedStatement("^SELECT"), (sql, _)) ⇒ ok | |||
| } | |||
| } | |||
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| "not match statement extractor" in { | |||
| q1 aka "q1" must not(beLike { | |||
| case ~(ExecutedStatement(" reindex$"), (_, XP("x") :: Nil)) ⇒ ok | |||
| }) | |||
| } | |||
| } | |||
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| "Query #2" should { | |||
| "match case class pattern" in { | |||
| q2 aka "q2" must beLike { | |||
| case QueryExecution("EXEC reindex", Nil) ⇒ ok | |||
| } | |||
| } | |||
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| "not match case class pattern" in { | |||
| q2 aka "q2" must not(beLike { | |||
| case QueryExecution("SELECT * FROM Test WHERE id = ?", | |||
| XP("x") :: Nil) ⇒ ok | |||
| }) | |||
| } | |||
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| "match statement extractor #1" in { | |||
| q2 aka "q2" must beLike { | |||
| case ~(ExecutedStatement("EXEC"), (sql, Nil)) ⇒ | |||
| sql aka "matching SQL" must_== "EXEC reindex" | |||
| } | |||
| } | |||
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| "match statement extractor #2" in { | |||
| q2 aka "q2" must beLike { | |||
| case ~(ExecutedStatement(" reindex$"), (sql, _)) ⇒ ok | |||
| } | |||
| } | |||
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| "not match statement extractor" in { | |||
| q2 aka "q2" must not(beLike { | |||
| case ~(ExecutedStatement("^SELECT"), (_, Nil)) ⇒ ok | |||
| }) | |||
| } | |||
| } | |||
| } | |||
| } | |||
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