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## Package org.hibernate.dialect.function

A framework for defining database-specific SQL functions that are available via the dialect.

See:
Description

Interface Summary
SQLFunction | Provides support routines for the HQL functions as used in the various SQL Dialects Provides an interface for supporting various HQL functions that are translated to SQL.

Class Summary
AnsiTrimEmulationFunction | A `SQLFunction` implementation that emulates the ANSI SQL trim function on dialects which do not support the full definition.
CastFunction | ANSI-SQL style `cast(foo as type)` where the type is a Hibernate type
CharIndexFunction | Emulation of `locate()` on Sybase
ClassicAvgFunction | Classic AVG sqlfunction that return types as it was done in Hibernate 3.1
ClassicCountFunction | Classic COUNT sqlfunction that return types as it was done in Hibernate 3.1
ClassicSumFunction | Classic SUM sqlfunction that return types as it was done in Hibernate 3.1
ConditionalParenthesisFunction | Essentially the same as `StandardSQLFunction`, except that here the parentheses are not included when no arguments are given.
ConvertFunction | A Caché defintion of a convert function.
NoArgSQLFunction | A function which takes no arguments
NvlFunction | Emulation of `coalesce()` on Oracle, using multiple `nvl()` calls
PositionSubstringFunction | Emulation of `locate()` on PostgreSQL
SQLFunctionRegistry |
SQLFunctionTemplate | Represents HQL functions that can have different representations in different SQL dialects.
StandardJDBCEscapeFunction | Analogous to `StandardSQLFunction` except that standard JDBC escape sequences (i.e.
StandardSQLFunction | Provides a standard implementation that supports the majority of the HQL functions that are translated to SQL.
VarArgsSQLFunction | Support for slightly more general templating than `StandardSQLFunction`, with an unlimited number of arguments.

## Package org.hibernate.dialect.function Description

A framework for defining database-specific SQL functions that are available via the dialect.

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