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public interface WindowSpecificationRowsAndStep
An intermediate step in the construction of aWindowSpecification
.Example:
WindowSpecification spec = DSL.partitionBy(BOOK.AUTHOR_ID) .orderBy(BOOK.ID) .rowsBetweenUnboundedPreceding() .andCurrentRow();
Referencing
XYZ*Step
types directly from client codeIt is usually not recommended to reference any
XYZ*Step
types directly from client code, or assign them to local variables. When writing dynamic SQL, creating a statement's components dynamically, and passing them to the DSL API statically is usually a better choice. See the manual's section about dynamic SQL for details: https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql.Drawbacks of referencing the
XYZ*Step
types directly:- They're operating on mutable implementations (as of jOOQ 3.x)
- They're less composable and not easy to get right when dynamic SQL gets complex
- They're less readable
- They might have binary incompatible changes between minor releases
- Author:
- Lukas Eder
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description WindowSpecificationExcludeStep
andCurrentRow()
Add a...
WindowSpecificationExcludeStep
andFollowing(int number)
Add a...
WindowSpecificationExcludeStep
andPreceding(int number)
Add a...
WindowSpecificationExcludeStep
andUnboundedFollowing()
Add a...
WindowSpecificationExcludeStep
andUnboundedPreceding()
Add a...
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Method Detail
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andUnboundedPreceding
@Support({AURORA_POSTGRES,DB2,H2,INFORMIX,MARIADB,MEMSQL,MYSQL_8_0,ORACLE,POSTGRES,REDSHIFT,SQLDATAWAREHOUSE,SQLITE,SQLSERVER2012,SYBASE,TERADATA,VERTICA}) WindowSpecificationExcludeStep andUnboundedPreceding()
Add a... AND UNBOUNDED PRECEDING
frame clause to the window specification.
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andPreceding
@Support({AURORA_POSTGRES,DB2,H2,INFORMIX,MARIADB,MEMSQL,MYSQL_8_0,ORACLE,POSTGRES,REDSHIFT,SQLDATAWAREHOUSE,SQLITE,SQLSERVER2012,SYBASE,TERADATA,VERTICA}) WindowSpecificationExcludeStep andPreceding(int number)
Add a... AND [number] PRECEDING
frame clause to the window specification.
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andCurrentRow
@Support({AURORA_POSTGRES,DB2,H2,INFORMIX,MARIADB,MEMSQL,MYSQL_8_0,ORACLE,POSTGRES,REDSHIFT,SQLDATAWAREHOUSE,SQLITE,SQLSERVER2012,SYBASE,TERADATA,VERTICA}) WindowSpecificationExcludeStep andCurrentRow()
Add a... AND CURRENT ROW
frame clause to the window specification.
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andUnboundedFollowing
@Support({AURORA_POSTGRES,DB2,H2,INFORMIX,MARIADB,MEMSQL,MYSQL_8_0,ORACLE,POSTGRES,REDSHIFT,SQLDATAWAREHOUSE,SQLITE,SQLSERVER2012,SYBASE,TERADATA,VERTICA}) WindowSpecificationExcludeStep andUnboundedFollowing()
Add a... AND UNBOUNDED FOLLOWING
frame clause to the window specification.
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andFollowing
@Support({AURORA_POSTGRES,DB2,H2,INFORMIX,MARIADB,MEMSQL,MYSQL_8_0,ORACLE,POSTGRES,REDSHIFT,SQLDATAWAREHOUSE,SQLITE,SQLSERVER2012,SYBASE,TERADATA,VERTICA}) WindowSpecificationExcludeStep andFollowing(int number)
Add a... AND [number] FOLLOWING
frame clause to the window specification.
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