class QueryInterpreter extends Logging
A query interpreter for MemoryProfile and for client-side operations that need to be run as part of distributed queries against multiple backends.
It uses ScalaType, ProductValue/StructValue and plain Scala collections to represent data. Queries are expected to be in the shape after running all the standard query compiler phases (but not the extra relational phases) and assigning ScalaTypes everywhere.
- Source
- QueryInterpreter.scala
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- Logging
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Instance Constructors
- new QueryInterpreter(db: HeapDatabaseDef, params: Any)
- db
The in-memory database which is used for resolving Tables
- params
The query parameters
Type Members
- type Coll = Iterable[Any]
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- def ->[B](y: B): (QueryInterpreter, B)
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toArrowAssoc[QueryInterpreter] performed by method ArrowAssoc in scala.Predef.
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- ArrowAssoc
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- @inline()
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- def compileLikePattern(s: String, escape: Option[Char]): Pattern
- def createNullRow(tpe: Type): Any
- def ensuring(cond: (QueryInterpreter) => Boolean, msg: => Any): QueryInterpreter
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toEnsuring[QueryInterpreter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: (QueryInterpreter) => Boolean): QueryInterpreter
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toEnsuring[QueryInterpreter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean, msg: => Any): QueryInterpreter
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toEnsuring[QueryInterpreter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean): QueryInterpreter
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toEnsuring[QueryInterpreter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- final def eq(arg0: AnyRef): Boolean
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- def logDebug(msg: String): Unit
- lazy val logger: SlickLogger
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- QueryInterpreter → Logging
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- def reduceOptionIt[T](it: Iterator[Any], opt: Boolean, map: (Any) => T, reduce: (T, T) => T): Option[T]
- def run(n: Node): Any
- val scope: HashMap[TermSymbol, Any]
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- def unwrapSingleColumn(coll: Coll, tpe: Type): (Iterator[Any], Type)
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- def finalize(): Unit
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- Deprecated
(Since version 9)
- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toStringFormat[QueryInterpreter] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 2.12.16) Use
formatString.format(value)instead ofvalue.formatted(formatString), or use thef""string interpolator. In Java 15 and later,formattedresolves to the new method in String which has reversed parameters.
- def →[B](y: B): (QueryInterpreter, B)
- Implicit
- This member is added by an implicit conversion from QueryInterpreter toArrowAssoc[QueryInterpreter] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @deprecated
- Deprecated
(Since version 2.13.0) Use
->instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.
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Scala Language-Integrated Connection Kit
This is the API documentation for the Slick database library. It should be used as an additional resource to the user manual.
Further documentation for Slick can be found on the documentation pages.
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